ACP Biology Pre-Exam

Front

What causes a period of stasis in the fossil record?

Back

A long period without change in the environment and well adapted organisms.

Front

What is the primary function of ribosomes in a cell?

Back

To synthesize proteins.

Front

What is the genotype of a pea plant that is heterozygous for seed shape?

Back

Rr (where R is round and r is wrinkled).

Front

What type of cellular transport involves the movement of molecules across a membrane without energy?

Back

Facilitated diffusion.

Front

What role does interphase play in the cell cycle?

Back

Interphase contributes to the growth of organisms by replicating DNA and preparing the cell for division.

Front

Define 'dominant allele' in genetics.

Back

A dominant allele is an allele that expresses its phenotype even in the presence of a recessive allele.

Front

What is the function of mitochondria in a cell?

Back

Mitochondria are the powerhouses of the cell, producing ATP through cellular respiration.

Front

Explain the process of photosynthesis in plants.

Back

Photosynthesis is the process by which green plants use sunlight to convert carbon dioxide and water into glucose and oxygen.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have a nucleus and organelles.

Front

What is the role of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions in the body.