The correct answer is chitin. This glucose derivative is in
fact the main building block of cell walls in not only arthropods (including
the shrimp), but also fungi and insects, and also has a structural function in
the scales of fish. The most similar commonly-known substance in terms of
function is keratin, which makes up our hair and nails.
Homozygous for allele A and heterozygous for allele B. So the answer would surly be D.
Answer:
A star's life cycle is determined by its mass. A star's mass is determined by the amount of matter that is available in its nebula, the giant cloud of gas and dust from which it was born.
Hopes this helps:
Answer: In 1998 scientists discovered that fungi split from animals about 1.538 billion years ago, whereas plants split from animals about 1.547 billion years ago. This means fungi split from animals 9 million years after plants did, in which case fungi are actually more closely related to animals than to plants.
Have a great day.
False. I don’t know how to explain it
