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Cytology Test
Test Description: Cell Organelles, Plasma Membrane, Cell Transport, Macromolecule Metabolism, Cell Division
Instructions: Answer all questions to get your test result.
1) Which of the following best defines cellular respiration?
A
break down of glucose to produce ATP, H2O, and CO2.
B
inhalation of O2 and exhalation of CO2
C
excretion of waste products
D
intake of CO2 and output of O2 by cells
2) mRNA will influence the production of __________.
A
mitochondria
B
the nucleus
C
ribosomes
D
proteins
3) Transcription can be best described as the:
A
reading of mRNA codons by tRNA.
B
break down of tRNA.
C
replication of DNA.
D
synthesis of mRNA.
4) The G1 and G2 phases of cell growth are separated by:
A
the S phase.
B
Interphase
C
telophase.
D
anaphase.
5) When the chromosomes align themselves across the middle of the spindle fibers, it is characteristic of
A
metaphase
B
prophase
C
anaphase
D
telophase
6) If a species of animal had 24 pairs of chromosomes in its normal body cells, its gametes would contain:
A
24 chromosomes
B
12 chromosomes
C
48 chromosomes
D
6 chromosomes
7) The preferred energy fuel of the body is _____.
A
glucose
B
cholesterol
C
amino acids
D
fatty acids
8) Which of the following is true of metabolism?
A
It only occurs outside of cells.
B
It involves both synthesis and decomposition.
C
It involves only a physical breakdown of foods.
D
Energy is released from the processes of anabolism and catabolism.
9) The process that involves the passing of water and permeable solutes through a membrane by hydrostatic pressure is called ___________.
A
active transport
B
filtration
C
facilitated diffusion
D
osmosis
10) In nondividing cells, DNA appears as unwound threads that are referred to as:
A
chromosomes.
B
chromatin.
C
ribosomes
D
histones.
*select an answer for all questions
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