$$\text{Moles} = \frac{\text{Mass (g)}}{\text{Molar Mass (g/mol)}}$$

Question 1

Which of the following groups of organisms contains only prokaryotic cells?

Accepted Answer

Bacteria

Question 2

A solution has a pH of 5.0. To bring the pH to 7.0, which of the following should be added?

Accepted Answer

Base

Question 3

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

Accepted Answer

Golgi apparatus

Question 4

Which of the following best describes the secondary structure of a protein?

Accepted Answer

Hydrogen bonding into helices and pleated sheets

Question 5

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

Accepted Answer

Lipid synthesis

Question 6

Which of the following is the correct formula for calculating the number of moles in a sample?

Accepted Answer

$$	ext{Moles} = \frac{	ext{Mass (g)}}{	ext{Molar Mass (g/mol)}}$$

Question 7

Which of the following is NOT a function of proteins in living organisms?

Accepted Answer

Storing genetic information

Question 8

A carbohydrate contains 12 hydrogen atoms. How many water molecules would be produced if it was completely oxidized?

Accepted Answer

6

Question 9

Which of the following statements about enzymes is correct?

Accepted Answer

Enzymes lower the activation energy of reactions

Question 10

Which of the following best describes the role of the mitochondria?

Accepted Answer

ATP production through cellular respiration

Question 11

Which of the following bonds is primarily responsible for the tertiary structure of proteins?

Accepted Answer

Disulfide bridges

Question 12

Which of the following organelles contains hydrolytic enzymes for intracellular digestion?

Accepted Answer

Lysosome

Question 13

Which of the following is a polysaccharide found in plant cell walls?

Accepted Answer

Cellulose

Question 14

Which of the following is a correct statement about the genetic material in eukaryotic cells?

Accepted Answer

It is found in the nucleus

Question 15

Which of the following best explains why water is an excellent solvent for biological molecules?

Accepted Answer

Water forms hydrogen bonds with polar molecules

Question 16

Which of the following is a function of the chloroplast?

Accepted Answer

Photosynthesis

Question 17

Which of the following is the best description of a hydrogen bond?

Accepted Answer

A weak attraction between a hydrogen atom and an electronegative atom

Question 18

Which of the following is a property of water that is critical for life?

Accepted Answer

High heat of vaporization

Question 19

Which of the following is the correct sequence of protein structure formation?

Accepted Answer

Primary → Secondary → Tertiary → Quaternary

Question 20

Which of the following is a function of the cell wall in plant cells?

Accepted Answer

Providing structural support

BIO 1511 Class Test #1 – General Biology Study Guidance

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