comprehensive questions and verified answers
QUESTIONS WITH ACCURATE ANSWERS
When the chromosomes line up in mitosis this is known as which phase?
A. Telophase
B. Anaphase
C. Metaphase
D. Prophase
Correct Answer: C
Which cellular organelle contains enzymes that are considered digestive?
A. Golgi Apparatus
B. Lysosomes
C. Nucleus
D. Ribosomes
Correct Answer: B
,Organs repair themselves through a process of?
A. Meiosis
B. Mitosis
C. Cellular differentiation
D. Transformation
Correct Answer: B
Which of the following is considered a model for enzyme action?
A. Lock and Key model
B. Enzyme interaction model
C. Transformation model
D. Transcription model
Correct Answer: A
Which of the following statements about enzymes is not true?
A. Enzymes are catalysts.
B. Almost all enzymes are proteins.
C. Enzymes operate most efficiently at optimum pH.
D. Enzymes are destroyed during chemical reactions.
Correct Answer: D
,Which of the following statements about prostaglandins is not true?
A. Prostaglandins promote inflammation.
B. Prostaglandins can only constrict blood vessels.
C. Prostaglandins are made in the renal medulla.
D. Prostaglandins can lead to pain and fever.
Correct Answer: B
Cholesterol that is known as (LDL) stands for:
A. Low-density lipoproteins
B. Low-density lysosomes
C. Level-density lipoproteins
D. Level-density lysosomes
Correct Answer: A
Hardening of the arteries is known as:
A. Atheriosclerosis
B. Venous narrowing
C. Micro-circulation
D. Hypertension
Correct Answer: A
, The top number on a blood pressure reading indicates:
A. Diastolic pressure
B. Transient pressure
C. Optimum pressure
D. Systolic pressure
Correct Answer: D
Litmus paper that is blue will turn/stay _____ in the presence of a strong base.
A. Orange
B. Red
C. Blue
D. Green
Correct Answer: C
Breathing properly requires the presence of what compound that affects surface tension of
alveoli in the lungs?
A. Potassium
B. Plasma
C. Surfactant
D. Sodium Chloride
Correct Answer: C