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neonofarm [45]
3 years ago
14

Plants, such as sunflowers, contain specialized receptor cells that respond to light and grow in the direction of a light source

. These specialized plant cells exhibit
Biology
1 answer:
loris [4]3 years ago
5 0
Photoreceptor proteins are light-sensitive proteins involved in the sensing and response to light in a variety of organisms. Some examples are rhodopsin in the photoreceptor cells of the vertebrate retina,phytochrome in plants, and bacteriorhodopsin<span> and bacteriophytochromes in some bacteria.


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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DNA<br>"Deoxyribonucleic<br>Acid"​
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Answer:

Details about DNA are given in the explanation section. Hope it will be helpful for you.

Explanation:

DNA, or deoxyribonucleic acid, is the hereditary element in humans and almost all other organisms. Nearly every cell in a person’s body has the same type of DNA. Most DNA is found in the cell nucleus (nuclear DNA), but a small quantity of DNA can also be found in the mitochondria (mitochondrial DNA or mtDNA).

The information in DNA is stored as a code made up of four chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T). Human DNA consists of about 3 billion bases, and more than 99 percent of those bases are the same type in all people.

DNA bases pair up with each other, A with T and C with G, to form units that are called base pairs. Each base is also attached to a sugar molecule and a phosphate molecule.  A base, sugar, and phosphate are called a nucleotide. Nucleotides are arranged in two long strands that form a spiral called a double helix.

A valuable feature of DNA is that it can replicate, or make copies of itself. Each strand of DNA in the double helix can serve as a pattern for duplicating the sequence of bases.

7 0
3 years ago
Which adaptation is likely to increase the chances of survival of an animal in hot arid climates?
aliina [53]
<span>Capacity to store body fat to survive periods of food shortage</span>
8 0
3 years ago
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Which one of the following is NOT a function of sertoli cells?
zimovet [89]

Answer:

The correct answer will be option-B.

Explanation:

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The Sertoli cells act as a barrier between the testis and blood and secrete enzymes like inhibin. They eliminate the apoptotic germ cells and also produce seminiferous fluid to nourish the sperm. They do not play any role in primary spermatocytes.

Thus, Option-B is the correct answer.

4 0
3 years ago
Biology Question:
Gnesinka [82]
I wanna say it’s b but if not I’m so sorry !
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D. A struggle for existence is apparent.

If a struggle for existence is apparent, natural selection occurs because all of the weak/unfit/unadapted ones die.
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