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Question 1

Human somatic cell normally has:

Answer 1

a) two chromosome sets

e) diploid count of chromosomes

h) a pair of sex chromosomes

Example sentence: A human somatic cell typically has two chromosome sets.

Question 2

Cell division stops:

Answer 2

a) in the absence of nutrients
b) at an inappropriate temperature
c) in case of harmful substances accumulation
d) under unsuitable conditions of the external environment
e) in the Go phase after treatment with inhibitory agents

Question 3

The G1 phase of the cell cycle is characterized by:

Answer 3

a) synthetic processes take place

c) cell grows
d) replication of nuclear DNA is prepared
e) the main control point is located here

Question 4

What are enzyme activators:

Answer 4

b) substances in the cell that activate the inactive enzyme

Question 5

What belongs to the membrane system of eukaryotic cells:

Answer 5

b) mitochondria, endoplasmic reticulum, Golgi system, plastids and vacuoles

e) endoplasmic reticulum, Golgi system, plastids, vacuoles and mitochondria

f) vacuoles, lysosomes, chloroplasts, mitochondria, endoplasmic reticulum

Question 6

Biomembranes consist of:

Answer 6

a) two layers of phospholipid molecules and protein molecules

g) phospholipid bilayer

Example sentence: Biomembranes consist of two layers of phospholipid molecules and protein molecules.