A)the monomers that make up proteins are amino acids( you could talk about the central dogma here but idk if you have to). remember central dogma is dna to mRNA then mRNA to amino acids and amino acids to proteins.
nucleic acid is made of the monomers nucleotides ( cytosine, thymine, adenine, and guanine). this is basically DNA
1. would be D
2.would be B
The correct answer is B!
Why is this?
A mineral is a naturally occurring, inorganic solid with a definite crystalline structure and chemical composition. All minerals contain one or more elements, which are pure substances that cannot be broken down into simpler substances by chemical means.
Cellular respiration takes in food and uses it to create ATP, a chemical which the cell uses for energy. Usually, this process uses oxygen, and is called aerobic respiration. It has four stages known as glycolysis, Link reaction, the Krebs cycle, and the electron transport chain. yup
Stratum corneum is the answer