PCAT

PCAT practice questions, page 11 of 12, with answer review and explanations.

Question 51

In photosynthesis, high-energy electrons move through electron transport chains to produce ATP and NADPH. Which of the following provides the energy to create high energy electrons?

  1. O
  2. Light
  3. Water
  4. NADP+
  5. NADH

Question 52

Cyanide is a poison that binds to the active site of the enzyme cytochrome c and prevents its activity. Cyanide is a(n):

  1. Prosthetic group
  2. Cofactor
  3. Reverse regulator
  4. Coenzyme
  5. Inhibitor

Question 53

The synaptonemal complex is present in which of the following phases of the cell cycle?

  1. Telophase of meiosis I
  2. Metaphase of meiosis II
  3. Metaphase of meiosis I
  4. Metaphase of mitosis
  5. Telophase of meiosis II

Question 54

Leaves have parallel veins:

  1. Monocots
  2. Nonvascular plants
  3. Gymnosperms
  4. Dicots
  5. Angiosperms

Question 55

In ferns, the joining of egg and sperm produces a zygote, which will grow into the:

  1. Gametophyte
  2. Sporophyte
  3. Seedling
  4. Sporangium
  5. Spore