DAT Practice Test (Survey of Natural Sciences) 2

Question 1

Which organelle is the primary site of ATP production in eukaryotic cells?

Accepted Answer

Mitochondria

Answer

Mitochondria generate most cellular ATP through oxidative phosphorylation.

Question 2

In glycolysis, glucose is converted into two molecules of which compound?

Accepted Answer

Pyruvate

Answer

Glycolysis splits one glucose into two pyruvate molecules.

Question 3

What is the hybridization of the carbon atom in carbon dioxide (CO2)?

Accepted Answer

sp

Answer

CO2 is linear with two regions of electron density, giving sp hybridization.

Question 4

Which of the following is a strong acid?

Accepted Answer

HCl

Answer

Hydrochloric acid fully dissociates in water, making it a strong acid.

Question 5

During meiosis, genetic diversity is increased by crossing over during which phase?

Accepted Answer

Prophase I

Answer

Homologous chromosomes exchange segments during prophase I.