Q: Which of the following is the correct formula for calculating the molecular weight of glucose ($$C_6H_{12}O_6$)? (Atomic weights: C = 12, H = 1, O = 16)

$$6 \times 12 + 12 \times 1 + 6 \times 16$$

Question 1

Which of the following groups of organisms contains members that are all prokaryotic?

Accepted Answer

Bacteria

Question 2

A scientist observes a cell with a large central vacuole, chloroplasts, and a cell wall. Which kingdom does this cell most likely belong to?

Accepted Answer

Plantae

Question 3

Which of the following best describes the function of ribosomes in a cell?

Accepted Answer

Protein synthesis

Question 4

The high heat capacity of water is primarily due to which type of bond?

Accepted Answer

Hydrogen bonds

Question 5

Which organelle is responsible for packaging and shipping proteins within the cell?

Accepted Answer

Golgi apparatus

Question 6

A solution has a pH of 3. What is the concentration of hydrogen ions $$[H^+] in $$this solution?

Accepted Answer

$$1 	imes 10$$^{-3}$$ M

Question 7

Which of the following is a polysaccharide used for energy storage in animals?

Accepted Answer

Glycogen

Question 8

Which of the following statements about enzymes is correct?

Accepted Answer

Enzymes lower the activation energy of reactions.

Question 9

A protein's tertiary structure is stabilized primarily by which of the following?

Accepted Answer

Interactions between R groups of amino acids

Question 10

Which of the following best explains why oil does not dissolve in water?

Accepted Answer

Oil is nonpolar and water is polar.

Question 11

Which of the following is a function of the smooth endoplasmic reticulum?

Accepted Answer

Lipid synthesis

Question 12

If a cell is placed in a hypertonic solution, what will most likely happen?

Accepted Answer

The cell will shrink as water leaves.

Question 13

Which of the following is the correct formula for calculating the molecular weight of glucose ($$C_6H_{12}O_6$)? (Atomic weights: C = 12, H = 1, O = 16)

Accepted Answer

$$6 	imes 12 + 12 	imes 1 + 6 	imes 16$$

Question 14

Which of the following best describes the role of mitochondria in eukaryotic cells?

Accepted Answer

ATP production through cellular respiration

Question 15

Which of the following is a correct statement about the structure of DNA?

Accepted Answer

DNA contains the sugar deoxyribose.

Question 16

Which of the following is a function of the lysosome?

Accepted Answer

Digestion of macromolecules

Question 17

Which of the following best describes the function of the cell wall in plant cells?

Accepted Answer

Provides structural support and protection

Question 18

Which of the following is a property of water that allows it to move up plant stems against gravity?

Accepted Answer

Cohesion and adhesion

Question 19

Which of the following is a correct pairing of a macromolecule and its monomer?

Accepted Answer

Protein – Amino acid

Question 20

Which of the following best explains why enzymes are specific to their substrates?

Accepted Answer

The active site of an enzyme has a unique shape that fits only specific substrates.

BIO 1511 Class Test #1 – General Biology Study Guidance

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