2025
When the chromosomes line up in mitosis this is known as which phase?
A. Telophase
B. Anaphase
C. Metaphase
D. Prophase - Precise Answer ✔✔C
Which cellular organelle contains enzymes that are considered digestive?
A. Golgi Apparatus
B. Lysosomes
C. Nucleus
D. Ribosomes - Precise Answer ✔✔B
Organs repair themselves through a process of?
A. Meiosis
B. Mitosis
C. Cellular differentiation
D. Transformation - Precise 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 - Precise 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. - Precise 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. - Precise 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 - Precise Answer ✔✔A
Hardening of the arteries is known as:
A. Atheriosclerosis
B. Venous narrowing
C. Micro-circulation
D. Hypertension - Precise Answer ✔✔A
The top number on a blood pressure reading indicates:
A. Diastolic pressure
B. Transient pressure
C. Optimum pressure
D. Systolic pressure - Precise 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 - Precise 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 - Precise Answer ✔✔C
Which of the following is not considered a function of the kidneys?
A. Secretion
B. Reabsorption
C. Transport
D. Filtration - Precise Answer ✔✔C
The functional unit of the kidney is known as?
A. Medulla
B. Glomerulus
C. Pyramid
D. Nephron - Precise Answer ✔✔D
Which of the following formulas indicate the ideal gas law?
A. PV= knT or PV=RnT
B. V=kT
C. PV = k
D. KTV =PR - Precise Answer ✔✔A