ATI Biology 3

Question 1

Which type of macromolecule are enzymes primarily composed of?

Accepted Answer

Proteins

Answer

Lipids

Answer

Carbohydrates

Answer

Nucleic acids

Question 2

What is the role of the cell membrane's phospholipid bilayer?

Accepted Answer

Regulating what enters and exits the cell

Answer

Producing proteins

Answer

Storing genetic information

Answer

Generating ATP

Question 3

In a dihybrid cross of two heterozygous parents (AaBb), what is the phenotypic ratio of offspring?

Accepted Answer

9:3:3:1

Answer

3:1

Answer

1:1

Answer

1:2:1

Question 4

Which structure contains the genetic material in a eukaryotic cell?

Accepted Answer

Nucleus

Answer

Cytoplasm

Answer

Cell wall

Answer

Vacuole

Question 5

What gas is released as a byproduct of photosynthesis?

Accepted Answer

Oxygen

Answer

Carbon dioxide

Answer

Nitrogen

Answer

Methane

Question 6

A cell with 46 chromosomes undergoes meiosis. How many chromosomes does each resulting gamete contain?

Accepted Answer

23

Answer

46

Answer

92

Answer

12

Question 7

Which term describes an organism's observable physical traits?

Accepted Answer

Phenotype

Answer

Genotype

Answer

Allele

Answer

Chromosome