Answer all please I need it asap
1. A(n) _____________________ transports electrons, along with their energy, to another molecule.
2. What is the equation for photosynthesis?
3. In the __________________________, NADPH and ATP combine with carbon dioxide to produce sugars.
4. In the _________________________, light energy from the sun splits water and generates ATP and NADPH.
5. True / False: Chloroplasts are organelles found in the cells of heterotrophs.
6. True / False: Autotrophs need light in order to carry out photosynthesis.
Answers
Explanation:
1. Electron carrier
2. CO2 + H2O --> C6H12O6 + O2
3. Stroma
4. Thylakoid membrane
5. False
6. true.
hope it helps. :)
Related Questions
Which of the following is not a factor in determining population size?
a the food supply
b. birth rate
C. available niches
d. detritivore activity
Answers
The activity that does not include a factor in determining population size is known as Detritivore activity. Thus, the correct option for this question is D.
What is a Population?A population may be defined as a group of individuals belonging to the same species living in the same area at a given time. The size, density, abundance, birth rate, death rate, etc. are the characteristics of the population. So, they are known as demographic factors.
The factors which are responsible for determining the size of the population may include food availability, the space to live, birth rate, and the source of available niches. While the activity of decomposers only makes things fertile by splitting the organic source into inorganic ones.
Therefore, the activity that does not include a factor in determining population size is known as Detritivore activity. Thus, the correct option for this question is D.
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Answer:
ITS D
Explanation:
i just took the test
If you live in the city and head out to a rural town, the _____ suggests the rural area's temperature would be _____. rain shadow effect, warmer rain shadow effect, cooler urban heat island effect, warmer urban heat island effect, cooler
Answers
Answer:
the correct answer is urban heat island effect, cooler.
Explanation:
If you live in the city and head out to a rural town, the urban heat island effect suggests the rural area's temperature would be cooler.
hope this helps you!!!
The method that involves introducing a drug to a sample of blood to evaluate antimicrobial effectiveness is known as... plaque forming unit zone of inhibition serum killing power minimum bactericidal concentration
Answers
The method that involves introducing a drug to a sample of blood to evaluate antimicrobial effectiveness is known as "serum killing power." It assesses the ability of a drug to kill or inhibit the growth of microorganisms in the presence of serum.
Serum killing power is a laboratory technique used to assess the ability of a drug or antimicrobial agent to kill or inhibit the growth of microorganisms in the presence of serum. Serum is the liquid component of blood that contains various proteins, including antibodies and complement proteins, which can affect the activity of antimicrobial agents. In this method, the drug being tested is added to a sample of blood containing microorganisms, and the mixture is then incubated under controlled conditions. After a specific period, the blood sample is analyzed to determine the extent of microbial growth or viability.
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how can you prove whether a trait is acquired through genetics or the environment?
Answers
Answer:
some people look like their parents or relatives and that's because of genes
As for the environment, we adapt to live in places that were different from the other environment
Explanation:
Example for the environment: winter foxes weren't always white. they change colors to match their environment to serve. change happens generation after generations change to fit their environment
By conducting twin studies, adoption studies, or using animal models to separate genetic and environmental influences on the trait.
Researchers employ twin, adoption, and animal models to evaluate if a feature is inherited or environmental. Twin studies compare identical (100%) and fraternal (50%) twins for a certain attribute. Identical twins are more similar than fraternal twins, suggesting a stronger genetic effect.
Adoption studies compare biological and adoptive households. If the adopted person and their biological family share a characteristic, genetics are involved. If the attribute is more comparable between the adopted person and their adoptive family, it suggests environmental impact.
Researchers can explore inheritance patterns by carefully breeding animals with specified features. Scientists can determine how genetics and environment affect a characteristic by combining these strategies.
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Number the events from earliest (1) to most recent (6) to outline the development of the cell theory.
Anton van Leeuwenhoek observed small organisms he called “animalcules.”
Robert Hooke was the first to use the word “cell.”
Matthias Schleiden theorized that plants are made of cells.
Theodor Schwann theorized that animals are made of cells.
Hans and Zacharias Janssen created the first microscope.
Rudolf Virchow theorized that cells come from other pre-existing cells.
Answers
The most well-known theory in cell biology is the one known as the "cell theory," which proposes that pre-existing cells give rise to new cells and the idea of plant cells.
The first microscope was made by Hans and Zacharias Janssen in 1590, and he utilized a compound microscope to observe minuscule objects that were invisible to the human eye.In 1660 , Robert Hooke was the first to use the word “cell.”Animalcules were tiny organisms that Anton van Leeuwenhoek discovered in 1674.In 1838 ,Matthias Schleiden theorized that plants are made of cells.In 1839 ,Theodor Schwann , he was a zoologist and theorized that animals are made of cells .Rudolf Virchow proposed the theory that cells originate from other existing cells in 1858, implying that the cell divides and produces new cells.The statements are arranged on the basis of years from most earliest to recent discovery.
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Which causes waves in the ocean to occur?
Earth’s rotation
Earth’s gravitational pull
energy being transferred from wind
energy from the Sun heating water
Answers
Answer: Energy being transferred from wind
Explanation: I just answered this question
Waves in the ocean are occurs due to the transfer of energy from the wind. Therefore, option C is correct.
What causes waves in the ocean?Numerous events, including earthquakes, volcanic eruptions, and landslides, can result in waves, although surface waves brought on by winds are the most frequent ones (CoastalCare). A wave forms when the wind blows across the water's surface, generating friction between the air and the water.
There are numerous types of waves, including tidal waves, wind waves, ocean swells, and tsunamis. Three factors: the wind's speed, the length of time it takes to cross the ocean, and the distance it travels, all affect how large the waves become.
The most common cause of the formation of waves in the ocean is the transfer of energy from the wind. Therefore, option C is correct.
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Fatty acids vary in structure based on all of the following except
A) shape.
B) degree of saturation.
C) length of carbon chain.
D) presence or absence of hydrogen.
Answers
Fatty acids vary in structure based on all of the following except the presence or absence of hydrogen.
Fatty acids are organic compounds consisting of a hydrocarbon chain with a carboxyl group at one end. They can vary in structure based on several factors:
Shape: Fatty acids can have straight or bent chains, depending on the presence of double bonds. Saturated fatty acids have straight chains, while unsaturated fatty acids have bent chains due to the presence of double bonds.
Degree of saturation: Fatty acids can be saturated or unsaturated. Saturated fatty acids have no double bonds in their carbon chain and are "saturated" with hydrogen atoms. Unsaturated fatty acids have one or more double bonds and are "unsaturated" with hydrogen atoms.
Length of carbon chain: Fatty acids can have different lengths of carbon chains, ranging from a few carbons to more than 20 carbons. Examples include short-chain fatty acids (less than 6 carbons), medium-chain fatty acids (6-12 carbons), and long-chain fatty acids (more than 12 carbons).
Presence or absence of hydrogen: This statement is incorrect. The presence or absence of hydrogen is a fundamental characteristic of fatty acids.
Saturated fatty acids are fully saturated with hydrogen atoms, while unsaturated fatty acids have double bonds and are not fully saturated with hydrogen atoms.
Fatty acids vary in structure based on shape, degree of saturation, and length of the carbon chain. The presence or absence of hydrogen is not a factor in determining the structural variations of fatty acids.
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Which of the following is a net sugar source for a deciduous angiosperm tree? a) new leaves in early spring b) fruits in summer c) roots in early spring d) roots in early autumn
Answers
The net sugar source for a deciduous angiosperm tree is a) new leaves in early spring.
In deciduous angiosperm trees, new leaves in early spring are a net sugar source. During this time, the tree undergoes bud break, and new leaves emerge. These newly developed leaves contain chlorophyll and are actively involved in photosynthesis.
They capture sunlight and convert it into chemical energy in the form of sugars (such as glucose) through photosynthesis. These sugars are then transported to various parts of the tree, including storage tissues, developing fruits, and other growing tissues, to support growth and development.
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Mark which of the following statement is false about exonic mutations
O a.
A frameshift mutation is likely to shift the original stop codon site
O b. Introduction of a premature stop codon leads to a shorter mRNA product
O c. A missense mutation can be a gain-of-function mutation
O d. Point mutations result in an altered sequence in the mRNA product
Answers
The false statement about exonic mutations is A frameshift mutation is likely to shift the original stop codon site so the correct answer is option (a).
Frameshift mutations are a result of the addition or deletion of nucleotides, which changes the reading frame of codons during translation. They usually result in the production of nonfunctional proteins that lack specific amino acids and are often truncated. Frameshift mutations may lead to the production of a premature stop codon that leads to a shorter mRNA product or the extension of a protein by introducing new amino acids after the frameshift. However, they are not likely to shift the original stop codon site. Instead, the resulting protein product may contain several stop codons at unexpected sites in the sequence, leading to an incomplete and nonfunctional protein.
Exonic mutations are DNA changes that occur within the coding regions of genes. They include point mutations, missense mutations, and nonsense mutations. Point mutations result in a single base pair change, while missense mutations result in the substitution of one amino acid for another. Nonsense mutations, on the other hand, introduce a premature stop codon that truncates the protein prematurely.A missense mutation can be a gain-of-function mutation, which means that the resulting protein gains new or enhanced activity. This is usually the case when the amino acid substitution leads to an increase in protein stability, affinity, or activity.
Conversely, a missense mutation can also result in a loss-of-function mutation, where the protein loses its normal activity due to amino acid substitutions. Thus, a missense mutation can either be beneficial or detrimental to the organism, depending on the specific mutation and the protein involved.
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In which way(s) could polar bears and grizzly bears be considered different species?
Answers
Polar bears and grizzly bears can be considered different species for several reasons.
Firstly, they have distinct physical characteristics. Polar bears are adapted to live in the Arctic and have thick white fur, large paws for walking on ice, and a streamlined body shape for swimming. Grizzly bears, on the other hand, have brown fur, smaller paws, and a more muscular body shape for digging and climbing.
Secondly, they have different ecological and behavioral adaptations. Polar bears primarily eat seals and rely on sea ice for hunting, while grizzly bears are omnivores and often feed on plants, insects, and small mammals. Grizzly bears also live in a wider range of habitats, including forests, mountains, and tundra, while polar bears are found almost exclusively in the Arctic.
Finally, polar bears and grizzly bears have different genetic characteristics. While they can interbreed in captivity, in the wild they rarely do so due to differences in breeding behavior and habitat preference. Interbreeding can also lead to hybrid offspring, which may have reduced fitness compared to their parent species.
Overall, while polar bears and grizzly bears are closely related and can interbreed, their differences in physical, ecological, and genetic characteristics are significant enough to classify them as distinct species.
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What are the organized pieces of DNA called
Answers
Answer:
double helix
Explanation:
Together, a base, sugar, and phosphate are called a nucleotide. Nucleotides are arranged in two long strands that form a spiral called a double helix
Which of the following accurately describes facilitated diffusion
Answers
Answer:
Xarwdef
Explanation:
why do scientists and engineers use the scientific notations
Answers
The main reason scientists and engineers use scientific notation is to concisely express very large and very small numbers.
This is due to the fact that using the conventional method of writing down numbers can be difficult when working with extremely big or small numbers.
For instance, it is significantly more concise to write the quantity 3 x 1010 in scientific notation as opposed to writing it as 30,000,000,000.
Scientists and engineers also benefit from scientific notation since it makes it simpler to manipulate numbers during calculations. In scientific notation, the result of multiplying 3 x 1010 by 4 x 109, for instance, can be written as 12 x 1019 rather than the verbose 30,000,000,000,000,000,000.
This is helpful when performing several calculations that call for both extremely big and extremely small quantities.
Scientific notation also makes it simple to compare and contrast various quantities. It is simpler to assess the data without being daunted or overwhelmed by the quantity of digits by expressing all the numbers in the same manner.
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what is gene theraphy?
Answers
Answer:
Gene therapy is the introduction of genes into existing cells to prevent or cure a wide range of diseases.
All of the following are fat-soluble vitamins except:______.
A. Vitamin C
B. Vitamin A
C. Vitamin D
D. Vitamin K
Answers
All of the following are fat-soluble vitamins except option A. Vitamin C.
Fat-soluble vitamins are absorbed in the side of fats in the food regimen and are stored within the body's fatty tissue and inside the liver. they are observed in many plant and animal foods and in nutritional dietary supplements. vitamins A, D, E, and k are fats-soluble.
Vitamin C (ascorbic acid) is a water-soluble vitamin that helps increase and improve. It also facilitates your frame to take in iron. due to the fact your body doesn't make or shop nutrition C, it's critical to include diet C for your weight loss program.
Nutrition is a natural molecule this is an important micronutrient that an organism wishes in small quantities for the right functioning of its metabolism. essential nutrients can not be synthesized in the organism, either in any respect or not in sufficient portions, and therefore need to be acquired through the food regimen.
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How many species are lost to extinction each day as a result of deforestation? a. 10 b. 100 c. 1,000 d. 10,000 please select the best answer from the choices provided. a b c d
Answers
100 species are lost to extinction each day as a result of deforestation therefore option b is the correct one.
How can extinction result from deforestation?In addition to many other things, it results in habitat damage, elevated predatory danger, and decreased food availability. As a result, many animals perish, some lose their habitats and others their food supplies. In actuality, one of the primary reasons for extinction is deforestation.
How many animals are impacted by deforestation?For 85% of all species included on the IUCN Red List, it is considered to be the major danger. Deforestation can result in a direct loss of wildlife habitat because fewer animals have access to food, shelter, and breeding grounds as a result of the removal of trees and other plants.
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If one strand of the DNA reads:
ATCCGCAT
What will the complementary strand be?
Answers
Answer:
in rna the strand would be UAGGCGUA
G goes with C and A goes with U ( unless there is a T within the strand already then its an A that airs up with it )
Explanation:
but if its in DNA the strand will be TAGGCGTA
G goes with C T goes with A
Answer:
TAGGCGTA
Explanation: A with T: the purine adenine (A) always pairs with. the pyrimidine thymine (T) C with G: the pyrimidine cytosine (C) always pairs with. the purine guanine (G)
Which group of flasks acted as the experimental group and control group in Pasteur's experiment?
Answers
Answer: becteria
Explanation:
pasteur diveded micro-organisms in to severel group of and control groups.
the outcome of endovascular intervention is largely dependent on all of the following except
Answers
The factor that does not influence the outcome of an endovascular intervention is the time of day the procedure is performed. Here option E is the correct answer.
The success and effectiveness of endovascular interventions are determined by various factors that directly impact the procedure and its outcomes.
Patient-related factors, such as age and overall health (option A), play a crucial role in determining the feasibility and success of endovascular interventions. The patient's medical history, pre-existing conditions, and overall physiological state can affect their response to the procedure and subsequent recovery.
The skill and expertise of the performing physician (option B) significantly influence the outcome. Endovascular interventions require a high level of technical proficiency and knowledge to navigate the complex vascular system, select appropriate treatment strategies, and manage potential complications.
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Complete question:
Which of the following is NOT a factor influencing the outcome of endovascular intervention?
A) Patient's age and overall health
B) Skill and expertise of the performing physician
C) Quality and suitability of the medical equipment used
D) Anesthetic techniques employed during the procedure
E) Time of day the procedure is performed
In terms of ecological levels of organization, what is larger: population or community?
Answers
Question 28 In this population of 4 babies, which gene(s) are heterozygous in all 4 individuals? (select all that apply) - A
- E
- C
- D
- B
Answers
In the population of 4 babies, the genes heterozygous in all 4 individuals are C and E.
Heterozygous, аs relаted to genetics, refers to hаving inherited different versions (аlleles) of а genomic mаrker from eаch biologicаl pаrent. Thus, аn individuаl who is heterozygous for а genomic mаrker hаs two different versions of thаt mаrker. By contrаst, аn individuаl who is homozygous for а mаrker hаs identicаl versions of thаt mаrker.
From the figure, we know that:
All of A has the same genes: \(A_{1}\)\(A_{1}\), \(A_{2}\)\(A_{2}\), \(A_{3}\)\(A_{3}\), and \(A_{4}\)\(A_{4}\)All of B has the same genes: \(B_{2}\)\(B_{2}\), \(B_{2}\)\(B_{2}\), \(B_{2}\)\(B_{2}\), and \(B_{2}\)\(B_{2}\)All of C has different genes: \(C_{2}\)\(C_{1}\), \(C_{2}\)\(A_{1}\), \(C_{3}\)\(C_{4}\), and \(C_{2}\)\(C_{1}\)All of D has the same genes: \(D_{1}\)\(D_{1}\), \(D_{1}\)\(D_{1}\), \(D_{1}\)\(D_{1}\), and \(D_{1}\)\(D_{1}\)All of E has different genes: \(E_{1}\)\(E_{1}\), \(E_{1}\)\(E_{4}\), \(E_{1}\)\(E_{3}\), and \(E_{1}\)\(E_{1}\)Thus, the correct answer is C and E.
Your question is incomplete, but most probably your full question can be seen in the Attachment.
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Two parents learn they are each carriers for Cystic Fibrosis, each having the genotype (Aa).
Using a punnett square, perform a genetic cross to determine the probability that their children will inherit two recessive alleles and have Cystic Fibrosis (aa).
In your answer, explain the probability using either percentages (%) or odds out of 4 (1/4, 3/4, etc).
Answers
Answer:
When two carriers of Cystic Fibrosis (Aa) are crossed, the probability that their children will inherit two recessive alleles and have Cystic Fibrosis (aa) is 25%. This can be determined by performing a Punnett square, which shows all the possible gamete combinations and the resulting offspring genotypes. The Punnett Square would look like this:
A | a
—————
A | AA | Aa
a | Aa | aa
As you can see, out of the four boxes, one of them contains two recessive alleles, so the probability of their children having Cystic Fibrosis is one out of four, or 25%.
what body processes affect the concentration of calcium, phosphorus, and lipids in the various body tissues, and what are some of the most important functions of calcium, phosphorus, and lipids in the body of animals? g
Answers
Calcium homeostasis is maintained by actions of hormones that regulate calcium transport in the gut, kidneys, and bone. The 3 primary hormones are parathyroid hormone (PTH) 1,25-dihydroxyvitamin D-3 (Vitamin D3), and calcitonin.
Calcium salts provide rigidity to the skeleton. Calcium phosphate is a major component of the mineral complex (called hydroxyapatite) that gives structure and strength to bones.Many neuromuscular and other cellular functions depend on the maintenance of the ionized calcium concentration in the ECF.Phosphorus is a component of DNA, RNA, ATP, and also the phospholipids that form all cell membranes. Nearly every cellular process that uses energy obtains it in the form of ATP. Thus, it is an essential element for all living cells and important for energy utilization in the body. It is present in the body in the form of phosphates (PO4).The functions of lipids are Storing and providing energy, Chemical messengers, Cholesterol formation, Regulating body temperature, Formation of Prostaglandin and its role in inflammation, Membrane lipid layer formation.The main function of both calcium and phosphorus is skeletal. Nearly 99% of the calcium in the body if found in the skeleton, while 80% of the phosphorus is in bones and teeth.To know more about Calcium check the below link:
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Drag each tile to the correct location.
Classify the following materials as rock or mineral.
Answers
Answer:
cinnabar is a mineral
limestone is a rock
Answer:
cinnabar mineral limestone rock
Explanation:
The organism is most likely classified as which of following?
Answers
Answer:
Long-tailed weasels and European otters are both classified into the family Mustelidae.
Explanation:
Someone help please!!!!!
Answers
Answer:
i think it is the second one (2) substance B to enter the cell
Are the four daughter cells produced by meiosis identical or unique?
Answers
Answer:
i think it's meiosis identical but im not sure please tell me if it's right or not
Answer:
\(\boxed {\boxed {\sf Unique \ daughter \ cells}}\)
Explanation:
There are two main types of cell division: mitosis and meiosis. Mitosis makes identical cells for growth and repair.
On the other hand, meiosis is used for sexual reproduction.
In this reproduction, one diploid cell produces 4 haploid gametes/sex cells, meaning they have half of the genetic information. This is so during fertilization, when a sperm and egg combine, the zygote will have a full set of chromosomes.
One of the most important parts of meiosis is called crossing over. In this step, the chromosomes exchange information and create totally unique chromosomes.
This is one reason why siblings, aside from identical twins, can look similar, but not identical!
The _____ is a small but palpable projection of bone on the dorsal aspect of the distal radius that helps guide the direction of the tendons of several wrist and thumb extensor muscles.
Answers
The small but palpable projection of bone on the dorsal aspect of the distal radius that helps guide the direction of the tendons of several wrist and thumb extensor muscles is the Lister's tubercle. Lister's tubercle is found on the posterior aspect of the distal radius and is named after Scottish surgeon and surgical pioneer Joseph Lister.
It serves as the attachment point for several muscles in the forearm and wrist. The function of the Lister's tubercle is to serve as an insertion point for extensor carpi radialis longus and extensor carpi radialis brevis, both of which play a critical role in the extension of the wrist joint.
Additionally, it acts as a pulley for the abductor pollicis longus muscle and a guide for the extensor pollicis longus muscle. The extensor pollicis longus muscle is responsible for extending the thumb, and Lister's tubercle assists in directing its tendon to its insertion point.
Lister's tubercle plays an important role in wrist biomechanics, allowing for more efficient movement and greater mechanical advantage for the muscles that attach to it. It is also used as a landmark for physicians when evaluating the wrist and diagnosing injuries or conditions.
Overall, Lister's tubercle is a small but important anatomical feature with a significant impact on wrist and hand function.
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6.1 Most genes encode proteins. What exactly is a protein, structurally speaking? List some of the functions of proteins.
Answers
Proteins are complex molecules made up of amino acids. They have various functions, including enzymes, transport, and structural support.
Proteins are macromolecules composed of long chains of amino acids.
These chains fold and twist into specific shapes, which determine their function.
Some proteins are enzymes that catalyze chemical reactions in the body, while others serve as transport molecules that move substances such as oxygen and nutrients around the body.
Structural proteins provide support to cells and tissues, while others function as hormones, signaling molecules, or antibodies that defend against foreign invaders.
Overall, proteins play critical roles in almost all biological processes and are essential for the proper functioning of cells and organisms.
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Water is polar. What types of bonds does this allow water to make with other water molecules?
Answers
Answer:
Covalent bonds.
Explanation:
Water forms polar, covalent bonds with other molecules because of the uneven electron charge.