, In which phase of the cell cycle is DNA replicated?
A) G1
B) S
C) G2
D) D1
ANS - B) S
Which of the following processes reduces cells originally classified as diploid to
haploid?
A) Meiosis.
B) Mitosis.
C) Both meiosis and mitosis.
D) Neither meiosis and mitosis.
ANS: - A) Meiosis.
Which of the following is an example of a cell created by meiosis?
A) Kidney cell.
B) Sperm cell.
C) Brain cell.
D) Skin cell.
ANS: - B) Sperm cell
The Krebs cycle is a process described as:
A) the creation of ATP and Pyruvate.
B) the creation of GTP and NADH.
C) the process by which plants take in carbon dioxide and produce oxygen.
D) a linear method of creating energy.
ANS: - B) the creation of GTP and NADH.
The plasma membranes of cells are composed of:
A) a single layer of phospholipid molecules.
B) a bilayer of phospholipid molecules.
C) proteins that act as transport highways.
D) mitochondria.
ANS: - B) a bilayer of phospholipid molecules.
Which of the following activities does NOT lead to cellular energy production?
A) Glycolysis.
B) Gluconeogenesis.
C) Oxidative Phosphorylation.
A) G1
B) S
C) G2
D) D1
ANS - B) S
Which of the following processes reduces cells originally classified as diploid to
haploid?
A) Meiosis.
B) Mitosis.
C) Both meiosis and mitosis.
D) Neither meiosis and mitosis.
ANS: - A) Meiosis.
Which of the following is an example of a cell created by meiosis?
A) Kidney cell.
B) Sperm cell.
C) Brain cell.
D) Skin cell.
ANS: - B) Sperm cell
The Krebs cycle is a process described as:
A) the creation of ATP and Pyruvate.
B) the creation of GTP and NADH.
C) the process by which plants take in carbon dioxide and produce oxygen.
D) a linear method of creating energy.
ANS: - B) the creation of GTP and NADH.
The plasma membranes of cells are composed of:
A) a single layer of phospholipid molecules.
B) a bilayer of phospholipid molecules.
C) proteins that act as transport highways.
D) mitochondria.
ANS: - B) a bilayer of phospholipid molecules.
Which of the following activities does NOT lead to cellular energy production?
A) Glycolysis.
B) Gluconeogenesis.
C) Oxidative Phosphorylation.
