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Kipish [7]
2 years ago
13

Greater amounts of the pigment carotene are produced when the skin is exposed to the sun

Biology
1 answer:
vazorg [7]2 years ago
3 0
The most abundant protein is dead epidermal structures such as hair and melanin.
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Which of the following best describes how cleaning products like chlorine, hydrogen peroxide, and soap influence the infectious
torisob [31]

Answer:

These cleaning products break apart the capsules of the viruses causing them to no longer be capable of infecting an individual.

Explanation:

Bleach oxidises organic molecules. This causes proteins to become denatured, or lose their shape. The viral capsule containing the DNA is a coat made up of proteins that is required for the virus to become infectious. Therefore, following bleach treatment, the viral protein capsule become oxidised, cause them to loses their shape, meaning the virus can no longer infect individuals.

5 0
2 years ago
Why are catfish and carp found at the mouth of a river, while trout are found nearer the source?
uysha [10]
<span>Catfish and carp require less oxygen than trout. The mouth of a river usually has less oxygen and the area closer to the source has more oxygen, so since catfish and trout require more oxygen they typically are found at the source.</span>
8 0
2 years ago
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What are the general characteristics of sexual reproduction in humans and other vertebrates that are associated with continuous
aliya0001 [1]
Production of sperms is referred as spermatogenesis and production of ovum or egg is called oogenesis. Spermatogenesis and oogenesis are similar in a way in humans as bth these processes produce large numbers of sperms and eggs. Spermatogenesis is a continuous process where large numbers of sperms are produced at once and uses less energy. Ovulation is a process where only one egg or ovum matures at a time requires more energy. Not all the egg cells mature in females.
4 0
2 years ago
Alvin is studying a model of the chemical structure of a common nucleic acid. He observes that the nucleic acid consists of four
Leto [7]
<h2>A) option is correct </h2>

Explanation:

  • RNA is a linear polymer of ribonucleotides
  • Sugar in RNA is ribose instead of deoxyribose which is present in DNA
  • The four nitrogenous bases present in RNA are adenine, cytosine, guanine and uracil whereas that in DNA are adenine, cytosine, guanine and thymine
  • RNA molecules carry genetic information from DNA to proteins, cannot transmit from one generation to next generation as a genetic material
  • Due to steric hindrance by the 2'-OH group of ribose sugar, RNA unable to form double helix

7 0
2 years ago
What environmental factor does the pyramid of energy incorporate that prevents it from inverting? a. population size b. species
svetoff [14.1K]

The correct answer is (C) biomass at each trophic level

Pyramid of energy is a graphic representation of amount of energy trapped per unit time and area in different trophic levels of a food chain with producers forming the base and top carnivores the tip. As the biomass of producers are always greater than the carnivores, the pyramid of energy can't be inverted.


6 0
2 years ago
Read 2 more answers
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