The transfer of information from DNA to messenger RNA (mRNA) is known as
A. transcription.
B. translocation.
C. translation.
D. transduction.
E. transmutation.
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Question 2) Which of the following sequences is correct?
A. translation transcription protein synthesis
B. transcription protein synthesis translation
C. translation protein synthesis transcription
D. transcription translation protein synthesis
E. protein synthesis translation transcription
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Question 3) Cilia and flagella are distinguished from each other on the basis of
A. width and numbers.
B. length and numbers.
C. depth and numbers.
D. length and width.
E. None of these choices is correct.
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Question 4) Which of the following cell organelles does not contain microtubules?
A. cilia
B. flagella
C. spindle fibers
D. centrioles
E. All of these choices contain microtubules.
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Question 5) Microvilli
A. are supported by microtubules.
B. move the cell.
C. increase the surface area of the cell.
D. are extensions of the lysosomal membrane.
E. function to make the cell mobile.
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Question 6) Which of the following is an organelle of locomotion?
A. nucleolus
B. endoplasmic reticulum
C. peroxisomes
D. Golgi apparatus
E. flagellum
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Question 7) Cells of the small intestine and kidney tubules have extensions that increase their surface area called
A. cilia.
B. hairs.
C. flagella.
D. microvilli.
E. ruguae.
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Question 8) The organelles that are the source of the spindle fibers are the
A. lysosomes.
B. mitochondria.
C. centrioles.
D. nucleus.
E. ribosomes.
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Question 9) The centrioles are found in a zone of cytoplasm close to the nucleus called the
A. vacuole.
B. cytogel.
C. centrosome.
D. cytosol.
E. proteasome.
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Question 10) What type of cells are covered with microvilli for increased absorption?
A. columnar cells of small intestines
B. columnar cells of upper respiratory tract
C. macrophage (large, mobile white blood cell)
D. spermatozoa
E. red blood cells
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