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Question: 1 in biology the term quotionic bondquot is used differently...

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1. In biology, the term "ionic bond" is used differently than in chemistry. A biological "ionic bond" is used to describe the interaction of an R group containing a carboxyl group (–COO) with an R group containing an amino group (–NH3+). From this description, what do you understand a biological "ionic bond" to be?

a. van der waals interaction

b. hydrogen bond

c. Electrostatic interaction

d. covalent bond

2. The three dimensional arrangement of alpha helices, beta-sheets and other parts of the polypeptide chain is called

a. primary structure

b. secondary strucutre

c. tertiary structure

d. quaternary structure

3. Multiple polypeptide chains are held together by

a. peptide bond

b. intermolecular forces

4. What holds multiple polypeptides together? (Choose best answer)

a. R groups

b. amino groups

c. carboxylate group

5. Which of the following single-celled organisms is an example of a prokaryote?

a. algae

b. yeast

c. amoeba

d. bacteria

6. Which of the following is an insect most closely related to?

a. tree

b. mushroom

c. fish

d. bacteria

7. In evolutionary history, which was the most ancient divergence?

a. Prokaryotes and eukaryotes

b. Birds and reptiles

c. Rats and mice

d. Plants and animals

8. In evolutionary history, which was the most recent divergence?

a. Prokaryotes and eukaryotes

b. Birds and reptiles

c. Rats and mice

d. Plants and animals

9. What is the chemical equation for ATP synthesis?

a. ADP + Pi ⟶ ATP + H2O

b. ATP + H2O ⟶ ADP + Pi

c. ADP + H2O ⟶ ATP + Pi

d. ATP + Pi ⟶ ADP +H2O

9. What is glycolysis?]

a. It is the oxidation of three-carbon molecules into carbon dioxide.

b. It is the splitting of six-carbon sugars into three carbon molecules with the synthesis of ATP.

c. It is the transport of electrons to power the synthesis of ATP.

d. It is the synthesis of sugars from carbon dioxide.

10. What chemistry concept describes whether a reaction or process can occur spontaneously?

a. therodynamics

b. kinetics

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