Q: Which of the following is a correct equation for the dehydration synthesis of two monosaccharides?

$$\text{Monomer}_1 + \text{Monomer}_2 \rightarrow \text{Dehydration} \rightarrow \text{Polymer} + H_2O$$

Q: ATP is often described as the energy currency of the cell. Which equation correctly represents the release of energy from ATP?

$$\text{ATP} \rightarrow \text{ADP} + P_i + \text{energy}$$

Q: Which of the following is a correct general equation for cellular respiration?

$$C_6H_{12}O_6$ + 6O_2 \rightarrow 6CO_2 + 6H_2O + \text{ATP}$$

Question 1

Which of the following is NOT considered a major property of living things?

Accepted Answer

Ability to conduct electricity

Question 2

A scientist wants to test the effect of a new drug on blood pressure. She randomly assigns subjects to two groups: one receives the drug, the other receives a placebo. Neither the subjects nor the researchers know which group receives the drug. What type of study is this?

Accepted Answer

Double-blind study

Question 3

Which of the following best describes a scientific theory?

Accepted Answer

A well-substantiated explanation supported by extensive evidence

Question 4

Which element makes up the largest percentage of the human body by weight?

Accepted Answer

Oxygen (O)

Question 5

A buffer in human blood helps maintain a stable pH by:

Accepted Answer

Minimizing changes in pH

Question 6

Which type of chemical bond is responsible for water’s high surface tension and its ability to dissolve many substances?

Accepted Answer

Hydrogen bonds

Question 7

Which of the following is a correct equation for the dehydration synthesis of two monosaccharides?

Accepted Answer

$$	ext{Monomer}_1 + 	ext{Monomer}_2 ightarrow 	ext{Dehydration} ightarrow 	ext{Polymer} + H_2O$$

Question 8

Which macromolecule is primarily responsible for storing genetic information?

Accepted Answer

Nucleic acids

Question 9

Which of the following statements about prokaryotic cells is TRUE?

Accepted Answer

Their DNA is located in a single circular chromosome

Question 10

What is the main function of ribosomes in a cell?

Accepted Answer

Protein synthesis

Question 11

Which process describes the movement of molecules from an area of higher concentration to lower concentration without energy input?

Accepted Answer

Passive transport (diffusion)

Question 12

ATP is often described as the energy currency of the cell. Which equation correctly represents the release of energy from ATP?

Accepted Answer

$$	ext{ATP} ightarrow 	ext{ADP} + P_i + 	ext{energy}$$

Question 13

During cellular respiration, which stage produces the most ATP?

Accepted Answer

Electron Transport Chain

Question 14

Which of the following is a product of photosynthesis?

Accepted Answer

O2

Question 15

Which organelle is the primary site of photosynthesis in plant cells?

Accepted Answer

Chloroplast

Question 16

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

Accepted Answer

Water is polar and forms hydrogen bonds with other polar molecules

Question 17

Which of the following is a correct general equation for cellular respiration?

Accepted Answer

$$C_6H_{12}O_6$ + 6O_2 ightarrow 6CO_2 + 6H_2O + 	ext{ATP}$$

Question 18

Which of the following is a function of the plasma membrane in cells?

Accepted Answer

Regulation of material entry and exit

Question 19

A patient is diagnosed with goiter due to iodine deficiency. Which statement best explains the biological cause?

Accepted Answer

Iodine is vital for thyroid gland function

Midterm (Chapter 1-7)

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