The answer is D!
there is a carboxyl group (COOH) an amino group (NH2) , and a side chain (different elements arranged in different structures. this determines what kind of amino acid it is). this option describes the structure of amino acids
A gives the name of some of the elements found in proteins but not the structure.
B gives the structure for DNA/ RNA
C gives a type of protein and two elements; not a structure
Hi there!
I think bread turns moldy less quickly when it is kept in a refrigerator than when it is kept at room temperature because bacteria eats foods like bread and causes mold, and less bacteria grow in colder temperatures. Since less types of bacteria thrive in colder temperatures, it takes longer for less bacteria to create mold.
Hope this helps!
Answer: amphibians
Explanation:
earthworms, grasshopper, lancelets, octopus, crab, tunicates, starfish are all invertebrates.
lancelets(cephalochordata) and tunicates(urochordata) are chordates but do not have a backbone.
Cells get crude materials — counting water, oxygen, minerals and other supplements — from the nourishments you eat. They let in crude materials through the cell film: the lean, versatile structure that shapes the border of each cell.
Answer:
1.1 would be the densiry
explanation
p=m/v is the density formula p being density and m being mass and v being volume
multiply 3 by 6 by 4 to get volume of 72
80÷72 = 1.1