4. What is the function of a mitochondrion in a cell?
packaging proteins and other materials from the endoplasmic reticulum for storage in the cell or transport out of the cell
O providing a barrier between the cell and its surroundings
assembling lipids, proteins, and other materials for export out of the cell
O converting energy from food into a form the cell can use

All cells perform respiration but not all perform photosynthesis because of the absence of the plastids.

Respiration:

It is a process by which organisms produce energy by degrading glucose.

It is occur in mitochondria in eukaryotes and in plasma membrane in prokaryotes.

Photosynthesis-

It is a process by which photoautotrophic organisms produce glucose from the Carbon dioxide and water by capturing the sunlight using chlorophyll.

Chlorophyll is found in the plastid of plants and algae.

Therefore, all cells perform respiration but not all perform photosynthesis because of the absence of the plastids.

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Fingers are made from diploid cells. All of the cells in our body are made from diploid cells except in the reproductive cells which are made from haploid cells.

Answer:

yes

Explanation:

Two body segment would best indicate that a particular arthropod was a member of subphylum chelicerata.

What is body segment in animal?

segmentation in biology is  a  division of some animals and plants body plan's onto a series of repetitive segments. This article of  focuses on the are segmentation of animal to the   body plans, specifically the  using of  the examples are- taxa Arthropoda, Chordata, and Annelida.

The trait that would best indicate that a particular arthropod was a member of subphylum chelicerata is that it possess two body segments instead of three; a fused head and thorax (cephalothorax), and an abdomen (opisthosoma). Their segmented body with jointed limbs is covered in a cuticle made of chitin and proteins. The subphylum chelicerata includes the arachnids, horseshoe crabs, scorpions and related forms.

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The symptoms get worse due to positive feedback (i.e., the fear cycles generate more fear). It increases the first stimulus.

Positive feedback is a process where a given outcome stimulates the generation of a result for the first stimulus.

Positive feedback occurs during a process known as a feedback loop capable of increasing the first consequence of a stimulus.

In a process involving positive feedback, the stimulus increases the production of the first disturbance.

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Answer:

The herb has a light-colored, forked-shaped root, a relatively long stalk, and green leaves in an oval shape. Both American ginseng (Panax quinquefolius, L.)

Explanation:

have a great day!!

The characteristics of ginseng roots include the following:

This is a perennial plant which has a lot of medicinal importance such as

treatment of diabetes etc.

The medicinal properties makes it very valued and it has roots which

have characteristics listed above

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Answer:

C. a hot plate

Explanation:

Study island

Answer:

Species, A group of similar organisms that can mate and produce fertile offspring ... Community, All the populations of all the different species that live together in a particular area ... Ecosystems are influenced by both biotic and abiotic factors. ... not abiotic. Some people think that if an organism is no longer alive,

Explanation:

I hope this kinda helps.

The molecule you are referring to is called a "capsule polysaccharide," and it can interfere with the binding of antibodies to the surface of bacteria, rendering them ineffective.

Capsule polysaccharides are complex carbohydrate molecules that are found on the surface of many pathogenic bacteria, including Streptococcus pneumoniae, Haemophilus influenzae, and Neisseria meningitidis. These polysaccharides can inhibit the binding of antibodies to the bacterial surface, making it difficult for the immune system to recognize and eliminate the bacteria. This can be particularly problematic in the case of Streptococcus pneumoniae, which is a major cause of pneumonia and meningitis, especially in young children and elderly individuals.

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Answer:

Explanation:

The last generations of woolly mammoths were unable to meet the four factors for evolution because they were plagued by harmful gene mutations. These mutations caused a decrease in their fur density and thickness, making them vulnerable to the cold, as well as a decrease in their sense of smell and digestive problems. These traits made it difficult for them to find food and survive in their environment, leading to a decrease in population numbers.

Data such as fossil records and DNA evidence can be used to identify the factors that can lead to the evolution of a species. The fossil record provides a timeline of a species' physical characteristics and adaptations over time, while DNA evidence provides information about genetic changes and mutations. Both sources of data help scientists understand how species have evolved over time and why some species have become extinct. In the case of the woolly mammoths, the fossil record and DNA evidence revealed that harmful gene mutations were a significant factor in their extinction. By understanding the evolutionary factors that led to the extinction of the woolly mammoths, scientists can better understand how to protect other species from a similar fate.

Option d is Correct. The kidneys will fuse together during the development of the fetus through an artificial hole between the urine bladder and portions of the large intestine.

During a cystostomy, a tiny tube is surgically inserted into the bladder through the lower abdominal skin. The tube enables your bladder to empty its contents into a bag outside of your body.

Overflow incontinence associated to prostate disorders is more common in men with prostate issues. Small amounts of urine can leak out when you urinate due to conditions like prostate cancer or benign prostatic hyperplasia that restrict the urethra.

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Option d is Correct. The kidneys will fuse together during the development of the fetus through an artificial hole between the urine bladder and portions of the large intestine.

During a cystostomy, a tiny tube is surgically inserted into the bladder through the lower abdominal skin. The tube enables your bladder to empty its contents into a bag outside of your body.Overflow incontinence associated to prostate disorders is more common in men with prostate issues. Small amounts of urine can leak out when you urinate due to conditions like prostate cancer or benign prostatic hyperplasia that restrict the urethra.The term "Vesicocolonic fistula" refers to an artificial opening between the urine bladder and portions of the large intestine. A vesicocolonic fistula is a connection between the urine bladder and the large intestine that is abnormal. This can be caused by a number of causes, including prior surgery.

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Answer: red blood cells

Explanation: took the test haha

Answer:

Cells undergoing mitosis just divide once because they are forming two new genetically identical cells where as in meiosis cells require two sets of divisions because they need to make the cell a haploid cell which only has half of the total number of chromosomes.

Explanation:

The complementary base pairing of DNA allows us to determine the sequence of one strand based on the sequence of the other strand. In this case, the sequence of the other DNA strand with the sequence ATCGATCGAT is TAGCTAGCTA.

The sequence of one strand of the DNA double helix can be used to determine the sequence of the other strand, since the two strands are complementary and have a specific base pairing. Adenine (A) pairs with thymine (T), and cytosine (C) pairs with guanine (G).

A pairs with T, so the first base in the complementary strand is T.

T pairs with A, so the second base is A.

C pairs with G, so the third base is G.

G pairs with C, so the fourth base is C.

A pairs with T, so the fifth base is T.

T pairs with A, so the sixth base is A.

C pairs with G, so the seventh base is G.

G pairs with C, so the eighth base is C.

A pairs with T, so the ninth base is T.

T pairs with A, so the tenth base is A.

Putting these complementary base pairs together, we get the sequence of the other DNA strand as TAGCTAGCTA.

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The level of protein structure ultimately dictates the final, three-dimensional fold of a protein is a quaternary structure.

Out of all of these many kinds of protein structures, the quaternary structure of protein is the only one that has protein folds in three dimensions. It operates as a single functional unit despite being composed of an aggregation of two or more polypeptide chains and having a multimer structure.

A protein's quaternary structure is formed when several protein chains or subunits are packed together in a dense configuration. This type of arrangement is called a superstructure. Each of the subunits possesses its very own primary structure, as well as secondary and tertiary structures. Hydrogen bonds and van der Waals forces, which act between nonpolar side chains, are responsible for keeping the subunits together.

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Many pathways involve second messengers, small, non-protein molecules that pass along a signal initiated by the binding of a ligand (the “first messenger”) to its receptor.

Signal transduction is the process by which a chemical or physical signal is transmitted through a cell as a series of molecular events, most commonly protein phosphorylation catalyzed by protein kinases, which results in a cellular response. Proteins that detect stimuli are commonly referred to as receptors, though the term sensor is also used in some cases. The changes caused by ligand binding (or signal sensing) in a receptor initiate a biochemical cascade, which is a chain of biochemical events known as a signaling pathway. When signaling pathways interact with one another, they form networks that allow cellular responses to be coordinated, often through combinatorial signaling events.

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By planting more and more trees, as the roots of the trees hold the soil in place for the problem of soil erosion.

Soil erosion is a sluggish process that takes place when the effect of water or wind detaches and removes soil debris, inflicting the soil to go to pot. Soil erosion and occasional water excellent due to erosion and floor runoff have come to be intense issues international.

Soil erosion is a obviously taking place system that influences all landforms. In agriculture, soil erosion refers to the wearing away of a discipline's topsoil via the natural physical forces of water and wind or thru forces associated with farming sports including tillage.

Soil erosion with the aid of Water Liquid water is the most important agent of erosion on the earth. Rain, rivers, floods, lakes, and the ocean deliver away bits of soil and sand and slowly wash away the sediment. Rainfall produces 4 styles of soil erosion: splash erosion, sheet erosion, rill erosion, and gully erosion.

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Answer:

400N

Explanation:

Hope this helps! Best of luck :)

Fruit fly eye and body colour are closely related to the same chromosome. Due to the fact that traits are always inherited individually, they would not follow the law for independent assortment.

Fruit flies are excellent genetic models because of their fairly straightforward genetic structure. It is advantageous for study mutated fruit flies because of how quickly they reproduce, which enables researchers to observe the benefits and drawbacks of various mutations.

Drosophila may be quickly and easily identified thanks to its physical characteristics, which include wings and eyes. These genetic identifiers are simple to spot under a microscope. Drosophila exhibits human-like behaviours including as feeding, reproducing, and sleeping.

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The nucleus is the site of transcription in protein synthesis.

Transcription may be defined as a process through which a cell makes a copy of RNA (mRNA) from a strand of the DNA.

These messenger RNA carries the genetic information which is essential to make a protein in a cell. The process of transcription occurs in the nucleus of the cell.

While translation is the process by which the sequences of mRNA may transform into proteins. This process occurs in the cytoplasm of the cell.

Therefore, the nucleus is the site of transcription in protein synthesis.

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Answer:

Mitosis involves the division of body cells, while meiosis involves the division of sex cells. The division of a cell occurs once in mitosis but twice in meiosis.

Answer:

40% of adenine is present

Explanation:

Answer: Electromagnetic radiation.

Explanation: The transfer of energy by electromagnetic waves is called electromagnetic radiation. Electromagnetic waves can transfer energy through matter or across empty space.

The correct answer is the letter B. proteins

*Amino acids (building blocks of protein) are small organic molecules that primarily consist of carbon atoms that are linked to an amino group, a carboxyl group, a hydrogen atom, and it has a side chain.

*Monosaccharides are the building blocks of carbohydrates.

*Fatty acids and glycerol are the basic building blocks of lipids.

Dark urine can be a sign that the urine is concentrated, meaning that there is a higher amount of solutes (such as urea, creatinine, and electrolytes) relative to water in the urine.

The kidneys are responsible for filtering the blood and regulating the composition of the urine. When there is a higher concentration of solutes in the blood, due to dehydration or other factors, the kidneys respond by reabsorbing more water from the urine back into the bloodstream to maintain a proper balance of solutes and water in the body. This results in a smaller volume of urine being produced, but with a higher concentration of solutes.

In terms of osmosis, water will move from an area of low solute concentration (such as the kidney tubules) to an area of high solute concentration (such as the bloodstream) to maintain an equal concentration of solutes on both sides of the membrane. So, in the case of concentrated urine, the kidneys are actively reabsorbing water from the urine by osmosis to maintain a proper balance of solutes in the body.

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