Questions Logan is examining a leaf under a microscope. He notices tiny holes on the bottom of the leaf. He learns that these holes allow the plant to exchange
gases with the air around them. Logan wants to identify a similar structure that animals have. Which of the following would be the best choice for an
animal body structure that performs the same function as the tiny holes on a plant's leaves?
o
Eyes
Nose
O
Ears
O
Tongue

the answer is trees if i'm not mistaken

1. amino acid refers to the fundamental building block of proteins, comprising of an amino group and a carboxyl group.

2. catalyst refers to any substance, which increases the rate of chemical reaction without being used up in the reaction.

3. a complex molecule containing he genetic code is dna or deoxyribonucleic acid.

4. an enzyme refers to a molecule of protein, which is unique in accelerating up a particular chemical reaction in the biological systems.

5. nucleic acid refers to an sequence of sugars, phosphates, and nitrogenous bases, for example, dna and rna.

6. a protein refers to a large, composite organic molecule comprising of a huge number of amino acids associated together with the of peptide bonds.

7. rna refers to a nucleic acid that takes part in the production of proteins.

8. substrate refers to a compound, which takes part in a chemical reaction, and is chemically modified by the reaction.