Melanin provides pigmentation to the skin and it also provides UV ray protection (which is its role in the epidermis).
Answer:
TGCTCAGACT
ACGAGTCTGA
Explanation:
C is always paired with G
T is always paired with A
Answer:
It's the same there is no change.
<h3><u>Answer</u>;</h3>
Key
A sorting device that is useful in classifying by observation is a <u>key</u>.
<h3><u>Explanation</u>;</h3>
- <em><u>Classification key or taxonomic key is a device that is used by scientists to identify unknown organisms. </u></em>
- They are constructed so that the user gets a series of choices about the characteristics of the unknown organisms.Thus, by making the correct choice at each step, one is led to the identity of the specimen.
- Therefore<u><em>, keys can be used to identify a living organism or determine which group it belongs to</em></u> by answering questions on the key about characteristics of living things.
