Archives: Questions and Answers

7. A cell in G₁ of interphase has 12 chromosomes. How many chromatids will be found per cell during metaphase II of meiosis? (A) 6 (B) 12 (C) 18 (D) 24

6. An alternative to glycolysis pathway is: (A) glyoxylate pathway (B) pentose phosphate pathway (C) citric acid cycle (D) gluconeogenesis

5. The product commercially produced by animal cell culture is: (A) insulin (B) tissue plasminogen activator (C) interferon (D) hepatitis B vaccine

4. Yeast artificial chromosomes (YACs) are used for cloning: (A) large segments of DNA (B) mRNA (C) bacterial DNA (D) yeast DNA

3. Apoptosis is characterized by: (A) necrosis (B) programmed cell death (C) membrane leaky syndrome (D) cell cycle arrest process

2. Members of the antibody protein family that have common structural features are collectively known as: (A) haptens (B) allergens (C) antigens (D) immunoglobulins

1. Embryonic stem cells are derived from: (A) fertilized embryo (B) unfertilized embryo (C) sperm (D) kidney