Answers
Answer:
The cell would no longer be able to produce proteins.
Explanation:
A cell contains around 10 million ribosomes; these ribosomes are organelles that create proteins so, without ribosomes, cells would not be able to produce protein further going on they would not be able to function properly.
Hopefully, this helps! if not sorry. :)
Related Questions
The population of Africa is increasing faster than any other continent. In addition, Africa is experiencing a "youth bulge." What is the MOST likely outcome if these trends continue?
A. There will be a larger workforce in Africa, improving their economies.
B. The economies in Africa will be challenged to support a growing population.
C. Countries in Africa will require greater healthcare resources.
D. Africa will become the leading producer of food and other resources.
Answers
Answer:
B. the economies in Africa will be challenged to support a growing population.
Explanation:
Just because Africa is increasing faster than any continent, doesn't mean its improving or going to improve. More children means more healthcare for families which is more expensive. And most of Africa's population are in Stage 1. (Below Poverty, less than $1.10 a day). Most Africans don't make it past 64 years.
49. A test for starch in variegated leaves shows the importance of
A. sunlight
C. water
B. oxygen
D. chlorophyll
Answers
Answer:
D. Chlorophyll
Explanation:
Chlorophyll is important as it allows the plant to convert carbon dioxide and water into glucose.
Starch is what is needed to make food in plants and while all the other options help in the process of making food, chlorophyll is the green pigment in which plants make their food
Which eukaryotic cell-cycle event is missing in binary fission? (choose the best answer) cytokinesis DNA duplication mitosis cell growth
Answers
The eukaryotic cell-cycle event that is missing in binary fission is mitosis.
Binary fission is a cell division process commonly observed in prokaryotes, such as bacteria.
It involves the replication of the genetic material followed by the division of the cell into two identical daughter cells. However, unlike eukaryotic cells, prokaryotes do not undergo mitosis, which is the process of nuclear division in eukaryotes.
Mitosis is a complex series of events that ensures the accurate distribution of replicated chromosomes into two daughter nuclei. It consists of several phases, including prophase, metaphase, anaphase, and telophase, which result in the formation of two genetically identical daughter cells. Therefore, mitosis is the eukaryotic cell-cycle event that is absent in binary fission.
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Inherited traits are controlled by genes. Some genes have multiple forms called alleles. For example, Pod color in pea plants is controlled by a gene with 2 alleles. The allele for Green pea pods (G) is dominant to the allele for Yellow pea pods (g). List the 3 possible combinations of genotypes and their phenotypes for these alleles.
Answers
Answer:
GG green, Gg green, and gg yellow.
Explanation:
GG is dominant, and Gg is dominant, but it has an indominant gene that doesnt show up, and gg is recessive. the yellow color will only show up in one of them, because the rest have the dominant trait of green coloring.
What makes the MRSA strain of staph more dangerous than common bacteria?
Answers
Solution:
The correct answer is:
The answer lies in the resistance to antibiotics that occurs with this bacterium. Indeed, Methicillin-resistant Staphylococcus aureus (MRSA) infection is caused by a type of staph bacteria that's become resistant to many of the antibiotics used to treat ordinary staph infections. This makes infections with this bacterium dangerous, as most antibiotics are given seem not to work in patients infected with this bacterium.
Rangelands are important for providing and maintaining habitat for wildlife including insects, birds, and big game. What type of ecological service is maintaining habitat?
A. Regulating
B. Cultural
C. Supporting
D. Provisioning
Answers
The type of ecological service that is maintaining habitat for wildlife including insects, birds, and big game is "supporting."
Ecological services are the benefits that humans gain from natural ecosystems. There are four types of ecological services: provisioning, regulating, supporting, and cultural. They are referred to as ecological services because they are essential to human well-being and the survival of the ecosystem. Maintaining habitat is an example of an ecological service that is supporting. This is because maintaining habitat helps the survival of many different species by giving them a place to live, shelter, and food. Rangelands play a significant role in supporting this ecological service as they provide a natural home for a wide range of species including insects, birds, and big game. Rangelands are a crucial source of food and habitat for wildlife. They help maintain the ecological balance of the ecosystem by providing the necessary resources for the different species of animals that inhabit the ecosystem. They are important for the survival of many different species of animals, including insects, birds, and big game. Therefore, they play a critical role in maintaining the ecological service of supporting the ecosystem.
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To what extent do you agree with the following statement. Justify you answer. ¨Population growth is the primary source of environmental damage.¨- Jacques Cousteau, famous explorer
Answers
The statement suggests that population growth is the primary source of environmental damage. It is important to consider multiple factors and perspectives when discussing environmental damage, as it is a complex issue influenced by various interconnected factors.
There are arguments both for and against the notion that population growth is the primary source of environmental damage:
Arguments in support of the statement:
1. Increased demand for resources: As the population grows, the demand for food, water, energy, and other resources increases. This can lead to overexploitation of natural resources, deforestation, and habitat destruction.
2. Increased waste and pollution: A larger population generates more waste and pollution, which can have detrimental effects on ecosystems, air quality, and water bodies.
3. Land use and urbanization: Population growth often leads to urban expansion and increased infrastructure development, which can result in the conversion of natural habitats into urban areas, contributing to biodiversity loss and ecological disruption.
Arguments against the statement:
1. Consumption patterns: It is argued that the consumption patterns and lifestyle choices of individuals and societies, rather than just population growth, play a significant role in environmental damage. Developed countries with relatively smaller populations often have high levels of resource consumption and carbon emissions.
2. Technological advancements: Technological innovations and advancements can help mitigate environmental damage by improving resource efficiency, reducing pollution, and promoting sustainable practices. Population growth, when accompanied by technological progress, does not necessarily equate to increased environmental harm.
In summary, while population growth can exert pressures on the environment, it is not the sole or primary source of environmental damage. Factors such as consumption patterns, technological advancements, industrial practices, policy frameworks, and individual behavior also contribute significantly to environmental impact. Understanding and addressing these multifaceted factors are crucial for sustainable environmental management and conservation.
What is something that exist but doesn’t have anything to do with science, law or rules, or religion
Answers
Answer:
does a table have anything to do with science, law, or religion? pretty sure tables exist.
A stiff neck due to spasmodic contraction of the neck muscles that pull the head toward the affected side is known as ____________________.
Answers
A stiff neck due to spasmodic contraction of the neck muscles that pull the head toward the affected side is known as Torticollis.
What is torticollis?Torticollis, also known as wry neck, is a condition in which the neck muscles contract involuntarily, causing the head to twist to one side. The condition can range from mild to severe, and it can be either congenital or acquired.
What causes torticollis?The causes of torticollis are unknown in many situations. There are, however, a number of identified causes, including:Family history, InfectionsDamage to the neck muscles or blood supply, Damage to the basal ganglia in the brain.Torticollis is categorized into two types: congenital and acquired.
In newborns, torticollis is usually caused by birth trauma, such as difficulty during a breech delivery, that results in injury to the sternocleidomastoid muscle. Congenital torticollis affects around 0.3 percent of newborns.
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what are some ways in which humans may be influencing the evolution of mankind and other organisms
Answers
What is one thing people can do to reduce the amount of carbon in theatmosphere?A. Plant more trees.OB. Drive longer distances.OC. Use more electricity.OD. Burn more fossil fuels.
Answers
Reduction of carbon in the atmosphere
Plants consume carbon dioxide (CO2) in the process of photosynthesis as a substrate to form their food, i.e, sugars such as glucose, following the formula:
6 CO2 + 6 H2O + light --
True or False?
It takes about the one million years for
the magma to complete one circular
convection flow.
Answers
Answer:
False, since it takes more than one million years
Explanation:
Speeds can be faster for small-scale convection occurring in low-viscosity regions beneath the lithosphere, and slower in the lowermost mantle where viscosities are larger. A single shallow convection cycle takes on the order of 50 million years, though deeper convection can be closer to 200 million years.
Do clams have eyes?.
Answers
What are structures in the cell that perform special functions? (1 point) A. Organelle B. Cell C. Cytoplasm D. Cell membrane
Answers
Answer:
organelle
Explanation:
cell is not special
cytoplasm is organelle
so is cell membrane
in an area populated by the following species i.e Foxes, rabbits, grass hopper , field mice. which species would most probably have the largest population?
Answers
Answer:
field mice
Field mice give birth to a lot of children every time they give birth- they can give birth up to 4. They never go hungry- if they can not find food, they will eat their children.
The species that have the largest population is field mice.
What is a field mouse?It is the mouse where it should be inhabited the woods and fields & gardens. It contains various kinds of rodents that resembled the rats and pointed the snouts.
Field mice give birth to many children each and every time. At one time it gives birth to a maximum of 4. Also, they never go hungry in the case when they don't have food so they eat the children.
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Which of these is the primary site of protein synthesis?
Answers
Answer:
Ribosome
Explanation:
Ribosome is a sub cellular structure, that is involved in protein synthesis.
Mitochondria is a sub cellular structure, where cellular respiration takes place, therefore it is called the energy house of the cell.
Cytoplasm is a jelly like structure in which sub cellular structures are found.
Nucleus is the main part of the cell in which all cellular activity is controlled by.
It contains DNA and RNA.
Nucleus is mostly known for it's thread like structure that contains hereditary information which is passed from parents to offspring.
Hope it helps :)
The primary site of protein synthesis is the ribosome, because the ribosome carries out the protein synthesis of both types, such as secretory proteins and cytoplasmic proteins.
What is the role of the ribosome?The ribosomes are present in both the prokaryotes and the eukaryotes in the cytoplasm, and in the case of the eukaryotes, some of the ribosomes are present on the rough endoplasmic reticulum. The main function of the ribosome is to carry out translation, which is the protein synthesis process, and the protein can either enter the other cell organelle such as the nucleus, be present in the cytoplasm, or exit the cell.
Hence, the primary site of protein synthesis is the ribosome, because the ribosome carries out the protein synthesis of both types, such as secretory proteins and cytoplasmic proteins.
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The question is incomplete, the complete question is the below
Which of these is the primary site of protein synthesis?
mitochondria
cytoplasm
nucleus
ribosomes
1. What is the % of glucose outside the cell?
2. What is the % of water outside the cell?
3. What is the % of water inside the cell?
4. Will osmosis occur?
5. If so, which way will water move (into or out of the cell)?
6. Will the cell swell or shrink?
7. The cell is in what type of solution (hypertonic, hypotonic, isotonic)?
Answers
Osmosis is the simple passive transport through which water moves through a semipermeable membrane when solutions at bot sides show a difference in solute concentration. 1. 10%. 2. 90%. 3. 80%. 4. Yes. 6. swell. 7. hypertonic
What is osmosis?
Osmosis is the simple passive transport of water molecules that occurs when two dilutions of different concentrations are separated by a semipermeable membrane.
The membrane allows the pass of water but not solute. Hence, water can move from the most diluted side (higher water potential) to the less diluted one (lower water potential).
Let us remember that the water potential is the potential energy in a mass of water. Among other factors, it depends on solute concentration,
Most diluted side ⇒ higher water potentialMost concentrated side ⇒ lower water potentialConcerning solute concentrations,
the hypertonic solution is the one with the highest solute concentrationthe hypotonic solution is the one with less solute concentration. The most diluted one. isotonic solutions are those with equal solute concentrations.1. What is the % of glucose outside the cell? 10%
2. What is the % of water outside the cell? 90%
3. What is the % of water inside the cell? 80%
4. Will osmosis occur? Yes, because there is a difference in solute and water concentration.
5. If so, which way will water move (into or out of the cell)? Into the cell.
6. Will the cell swell or shrink? the cell will swell because water in goin in.
7. The cell is in what type of solution (hypertonic, hypotonic, isotonic)? hypertonic, because solute concnetration is higher in the cell thann outside.
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Why are deep sea vents thought to be good candidates for the origin of life?
A. Vents release high concentrations of light isotopes, which speeds up enzymatic reactions
B. The iron sulfides in vents may have trapped and protected ancient biomolecules
C. Vents create new seafloor, which makes room for new life
D. Vents produce complex organic molecules that formed in underground magma chambers
Q2. Which of the following is not true about the RNA world hypothesis?
A. Ribosomes are active lipid molecules that catalyze cell formation
B. RNA evolved into DNA and proteins
C. Lipids may have formed a protective environment for RNA to function inside
D. RNA is catalytic and can self-replicate
Answers
Answer:
Question 1
option-a
Question 2-
option a
Science question(I would appreciate your assistance)
What muscle connects your neck and shoulder, what does this muscle do?
Answers
Which of the following is true about cancer?
A. It occurs when a tissue cell does not stop dividing and becomes immortal.
B. It only occurs in organisms with geometric growth patterns, rather than exponential growth.
C. It occurs when too many cells become specialized and not enough stem cells remain.
D. It occurs when cells begin to reach their Hayflick limit and die off.
Reset Selection
Answers
Answer:
d
Explanation:
because cancer occurs when cells begin to reach their hayflick
Which characteristic of a phospholipid contributes to the fluidity of the membrane?
Answers
The characteristic of a phospholipid that contributes to the fluidity of the membrane is the unsaturation of lipids.
Phospholipid is the most common type of lipid present in the plasma membrane. It contains the phosphate group in its polar head. The phospholipids that are present in the membrane are: phosphatidylcholine, phosphatidylethanolamine, phosphatidylserine, and sphingomyelin.
Unsaturation of lipids is the presence of double bonds in the fatty acid chain. One of the fatty acid chain is unsaturated while the other is saturated. This gives a kink in the lipid structure. This kink prevents the tight packing of the lipid in the plasma membrane, thereby contributing in its fluidity.
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Which gland controls blood glucose levels?
A. Testes
B. Ovaries
C. Thymus
D. Pancreas
Answers
Answer:
d
Explanation:
Q 2. In fruit flie, red eye (A) are dominant to black eye (a) and long wing are dominant to hort wing. Aume that a cro wa made between fruit flie of genotype AAbb (red-eyed with hort wing) and thoe of genotype aaBB (black eye with long wing). Give the Punnett quare for the expected F2 progeny (offpring) type
Answers
Red eyes are more prevalent than green eyes in fruit flies. AaBb x aabb would be the offspring of a cross between such a short-winged, green-eyed fly as well as a long-winged, red-eyed fly.
The parents are homogeneous for these recessive features because red eyes are dominant over green eyes and large wings were dominant over small wings. A short-winged, green-eyed parent's genotype is aabb, and a long-winged, red-eyed parent's genotype is AaBb.
Red-eyed and green-eyed offspring are produced in a ratio of 1:1, as are offspring with long and short wings. One dominant and one recessive offspring result from a cross involving heterozygous dominant & homozygous recessive genes. This indicates that the parent fly's large wings and red eyes are heterozygous for the color of the eye.
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Explain why NON-RENEWABLE resources are NOT renewable even though plants and animals continue to die all the time.
Answers
Answer:
The correct answer is - these resources take million years to be replenished.
Explanation:
Non-renewable resources are the resources that come from a source that will finish ultimately or run out or can not be replenished in one or more human life cycles. These sources might take million years to replenish.
Most non-renewable resources are fossil fuels, coal, natural gas. Fossil fuels, cols are were formed as the remains of dead plants and animals but takes millions of years to decay, under huge amounts of pressure and heat.
Scientific knowledge is always changing.
TRUE
FALSE
Answers
Answer:
Yes! I think/ True
Explanation:
The accepted views of science knowledge can change over time. Changes can result from new science observations, but can also be affected by social, political or religious convictions.
Answer:
True
Explanation:
Because the more technology improves on the daily the easier it'll be to discover new things about science that in the past were not achievable because they didn't have the proper resources
Which components are identical in all amino acids?
A) the R group, an amino group, and a carboxyl group
B) the R group, a single hydrogen atom, and an amino group
C) the R group
D) a single hydrogen atom, an amino group, and a carboxyl group
Answers
The correct option is (D).
An amino group and carboxylic acid group are the most basic common components in all amino acids. While, R group in the amino acids always different (here R describes the alkyl group).
Organic substances having both amino and carboxylic acid functional groups are known as Amino acids. Alpha-amino acids, which make up proteins, are by far the most significant of the hundreds of amino acids found in nature.
Amino acids perform a variety of processes in our body including muscular growth, delivering nutrition, prevent disease, and many more. A lack of certain amino acids can lead to a variety of health concerns, including lowered immunity, digestive disorders, depression, less mental alertness, slower child growth, etc.
There are total 20 amino acids, out of them 9 are essential amino acids means they are not synthesis by our body they must be taken outside from diet and nutrition.
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Which of the following statements is true about the diagram below A. H+ ions are moving into the cell by facilitated diffusion B. The concentration of H+ ions is increasing inside the cell C. H+ ions are moving out of the cell by active transport D. The H+ ions are moving down the concentration gradient
Answers
\(H^+\) ions are moving out of the cell by active transport. Option C.
What is active transport?Active transport is a form of cell transportation that requires the expedition of energy, usually in the form of ATP.
An example of active transport is ion transport across the cell membrane as depicted in the image. When materials are moved from the side of higher concentration to the side of lower concentration, the materials are moved along their concentration gradients.
When materials move from the side of a lower concentration to the side of a higher concentration, the materials are said to be moved against their concentration gradients.
From the image, one can see that \(H^+\) ions are moving from the cytoplasm across the cell membrane to the external environment. It can also be seen that this movement of ions requires ATP. Thus, it can be concluded that \(H^+\) ions are moving out of the cell by active transport.
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Since a pump carrier protein is carrying H+ from the lower-concentration side to the higher-concentration side using ATP, we can assume the true statement about the diagram is C) H+ ions are moving out of the cell by active transport.
What is active transport?Active transport is a cellular transmembrane type of transport together with passive transport and simple diffusion.
Active transport acts against the electrochemical gradient, so it does need energy to transport substances. It carries molecules from a low-concentration side of the membrane to a high-concentration side.
The energy used comes from ATP (Na-K bomb) or the membrane's electric potential.
The transmembrane proteins involved in active transport are Carrier proteins.
In the exposed image you can see
A higher concentration of H+ in the extracellular space.H+ being pumped against their electrochemical gradient (from the lower concentration side to the higher concentration side)ATP is mediating this transportA H+ pump is carrying H+.This is active transport. Option C.
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What is the purpose of having to press the pushbutton of a pipetter to the second stop?
a. to expel any remaining liquid
b. to assure a larger absorbance reading
c. to aspirate any remaining liquid
d. to eject the pipette tip
e. to make sure the solution is mixed well
Answers
The purpose of pressing the pushbutton of a pipettor to the second stop is to expel any remaining liquid. So the correct option is a.
When using a pipette to dispense a precise volume of liquid, it is important to ensure that all of the liquid is delivered to the desired location. Pressing the pushbutton of a pipette to the first stop allows the pipette to aspirate the liquid, while pressing it to the second stop expels any remaining liquid. This ensures that the correct volume of liquid is delivered and that there is no residual liquid left in the pipette that could affect subsequent measurements.
Therefore, option A (to expel any remaining liquid) is the correct answer. Options B, C, D, and E are not accurate because they do not describe the purpose of pressing the pushbutton to the second stop.
A pipette is a laboratory instrument used to measure and transfer a precise volume of liquid from one container to another. To use a pipette, the user must first set the desired volume using the volume adjustment knob. Then, the pipette tip is immersed into the liquid to be transferred, and the pushbutton is depressed to the first stop. This aspirates the liquid into the pipette tip.
After the desired volume of liquid has been aspirated, the pipette is removed from the liquid source and the tip is positioned over the target container. The pushbutton is then depressed to the second stop to dispense the liquid from the pipette tip. This ensures that all of the liquid is delivered to the target container, without any remaining liquid in the pipette tip that could affect subsequent measurements.
Pressing the pushbutton of a pipette to the second stop is important to ensure accurate and precise liquid transfer, and is particularly critical when working with small volumes of liquid. It is essential to carefully follow the manufacturer's instructions for use when working with pipettes to ensure accurate and reliable results.
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multiple speciation events originating from a single species is called
Answers
Multiple speciation events originating from a single species is called adaptive radiation.
The process of speciation refers to the formation of new species from an existing population. When multiple speciation events occur from a single species, it is called adaptive radiation. This phenomenon is common in environments with abundant resources and few competitors, where different subsets of the population can specialize in exploiting specific niches.
Over time, genetic drift, mutation, and natural selection can lead to significant genetic divergence and reproductive isolation, ultimately resulting in the formation of new species. Examples of adaptive radiation include the Galapagos finches, Hawaiian honeycreepers, and African cichlid fish.
Adaptive radiation is an important mechanism of biodiversity and has played a critical role in shaping the evolutionary history of life on Earth.
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how+long+does+it+take+for+approximately+75%+of+carbon-14+to+decay+into+carbon-12+(in+thousands+of+years)?
Answers
Carbon-14 is a radioactive isotope of carbon. Its atomic nucleus contains 6 protons and 8 neutrons. The half-life of carbon-14 is 5730 years. After 5730 years, half of the original amount of carbon-14 will have decayed into nitrogen-14.
Therefore, after another 5730 years, half of the remaining carbon-14 will have decayed, leaving only one-quarter of the original amount of carbon-14. In other words, it takes two half-lives for approximately 75% of carbon-14 to decay into carbon-12.
So, since each half-life of carbon-14 is 5730 years, it will take approximately 2 × 5730 years = 11,460 years for approximately 75% of carbon-14 to decay into carbon-12. Therefore, the answer is that it takes approximately 11,460 years for approximately 75% of carbon-14 to decay into carbon-12.
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