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General Science 1
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1.
(1 point)
When the chromosomes line up in mitosis this is known as which phase?
Telophase
Anaphase
Metaphase
Prophase
2.
(1 point)
Which cellular organelle contains enzymes that are considered digestive?
Golgi Apparatus
Lysosomes
Nucleus
Ribosomes
3.
(1 point)
Organs repair themselves through a process of?
Meiosis
Mitosis
Cellular differentiation
Transformation
4.
(1 point)
Which of the following is considered a model for enzyme action?
Lock and Key model
Enzyme interaction model
Transformation model
Transcription model
5.
(1 point)
Which of the following statements about enzymes is not true?
Enzymes are catalysts.
Almost all enzymes are proteins.
Enzymes operate most efficiently at optimum pH.
Enzymes are destroyed during chemical reactions.
6.
(1 point)
Which of the following statements about prostaglandins is not true?
Prostaglandins promote inflammation.
Prostaglandins can only constrict blood vessels.
Prostaglandins are made in the renal medulla.
Prostaglandins can lead to pain and fever.
7.
(1 point)
Cholesterol that is known as (LDL) stands for:
Low-density lipoproteins
Low-density lysosomes
Level-density lipoproteins
Level-density lysosomes
8.
(1 point)
Hardening of the arteries is known as:
Atheriosclerosis
Venous narrowing
Micro-circulation
Hypertension
9.
(1 point)
Litmus paper that is blue will turn/stay _____ in the presence of a strong base.
Orange
Red
Blue
Green
10.
(1 point)
Breathing properly requires the presence of what compound that affects surface tension of alveoli in the lungs?
Potassium
Plasma
Surfactant
Sodium Chloride
11.
(1 point)
Which of the following is not considered a function of the kidneys?
Secretion
Reabsorption
Transport
Filtration
12.
(1 point)
The functional unit of the kidney is known as?
Medulla
Glomerulus
Pyramid
Nephron
13.
(1 point)
Which of the following formulas indicate the ideal gas law?
PV= knT or PV=RnT
V=kT
PV = k
KTV =PR
14.
(1 point)
Which of the following is not considered a characteristic or property of a gas?
Volume
Mass
Pressure
Particles
15.
(1 point)
Which of the following is described in the definition: An object immersed in a fluid is buoyed up by a force equal to the weight of the fluid displaced by the object?
Archimedes' principle
Charles' law
Boyle's law
Anderson's principle
16.
(1 point)
Liquids that evaporate quickly are known as _____ liquids.
Viscous
Volatile
Evaporative
Transient
17.
(1 point)
High frequency sound waves are known as:
Fundamental waves
Overtones
Consonance waves
Dissonance waves
18.
(1 point)
What anatomical structure connects the stomach and the mouth?
Trachea
Spinal column
Hepatic duct
Esophagus
US