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DanielleElmas [232]
3 years ago
14

Besides helping to discover the structure of DNA, describe two other contributions Rosalind Franklin made to the world of scienc

e.​
Biology
1 answer:
Rainbow [258]3 years ago
4 0

Answer: Rosalind Franklin discovered the density of DNA and, more importantly, established that the molecule existed in a helical conformation. Her work to make clearer X-ray patterns of DNA molecules laid the foundation for James Watson and Francis Crick's suggestion that DNA is a double-helix polymer in 1953.

Explanation:

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I need help . I don't understand it.. and I just need more info on it.
inysia [295]
I'm pretty sure those are codons, but I can't help because the photo's too blurry! What I think you are supposed to do is get a codon chart, find what protein each codon codes for, then write the name of that protein down under the codon... remember that the start codon is AUG and the stop codons are UGA, UAG, and UAA! :)
6 0
4 years ago
Why are shellfish population often a good indicator of water quality
Pachacha [2.7K]
"Water quality" may include the amounts of dissolved oxygen and the levels of algal growth, pollutants which may be present and the pH level. Water quality effects also which types of organisms can survive in a body of water.
 Shellfish require a high level of dissolved oxygen and their abundance is an indication of good water quality. Shellfish are sensitive to changes in the ecosystem and they cannot easily escape changes in the water quality. These are one of the reasons why shellfish are good indicators of water quality.
8 0
4 years ago
Although blood is a fluid, nearly half its volume is composed of cells. The most numerous cells are ________. The remainder of t
lana66690 [7]

Answer:

The correct answer will be option-A

Explanation:

The centrifugation of the blood shows that 45% of the blood is composed of the cellular content and 55% blood plasma or liquid.

Erythrocytes or red blood cell constitute for about 41% of the total blood cells which transports the oxygen by binding it to the haemoglobin. The presence of haemoglobin is the reason the cell appears red which cause the color of the blood to appear red.

The remainder of the cell is white blood cells or leukocytes which play important role in providing the defence mechanism against the pathogen.

Thus, option-A is the correct answer.

8 0
3 years ago
Write the functions of the modified stems give some examples to​
DaniilM [7]

Many plants have modified stems that serve various purposes, including storage, protection, photosynthesis, support, propagation, and perennial growth.

<h3>What are the functions of modified stems, and explain them with examples?</h3>

Underground Stem Modifications:

  • These can be found underground, as their name suggests. They have a variety of uses, including food storage, reproduction, and perpetuation. By having nodes and internodes, they may be distinguished from roots. They support asexual reproduction and the plant's ability to endure a period of hibernation. They offer a defense against animal grazing and environmental stress.
  • Rhizome: It runs parallel to the ground, and its lower portion, capable of producing adventitious roots, can also generate scaly leaves. They have internodes, buds, and nodes. Examples: Turmeric and ginger. The rootstock in bananas is a rhizome that develops vertically.
  • Bulb: Modified bulbs are visible, and the stem is shortened and ringed with scale leaves. Examples: Tulips, Lilies, Daffodils, Onion, Garlic
  • Corm: A short erect stalk with scaly leaves covers it. When compared to bulbs, it is tough. Examples: Colocasia, Yam, Saffron
  • Tuber: The fleshy, food-storing stem terminal is present in this instance. Nodes and internodes are present in the stem; however, they are not identifiable because of swelling. Scaly leaves present at nodes can be interpreted as eyes or scars. Examples: Potato, Artichokes.

Many plants have modified stems that serve various purposes, including storage, protection, photosynthesis, support, propagation, and perennial growth.

To learn more about modified stems, refer to:

brainly.com/question/1674880

#SPJ9

3 0
2 years ago
Homeostasis is the body’s ability to maintain a stable internal environment when faced with a changing external environment. Gro
jasenka [17]

Homeostasis is the ability of the body to preserve a steady inner environment when encountered with a changing outer condition. The statement is true.

<h3>What is homeostasis?</h3>

The condition of the constant inner environment in the body of the living organism is balanced by the process of homeostasis. It is necessary for regular body functioning.

Homeostasis is affected by many factors like water, food, pH, temperatures etc. the level of these factors are necessary to be maintained to keep the organism fit and healthy.

It is maintained by the feedback regulations and is the response to the outer varying environment. The negative feedback maintains the response to the outer changing stimuli.

Therefore, the statement is true.

Learn more about homeostasis here:

brainly.com/question/9087319

5 0
2 years ago
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