Carbohydrates are polymers formed of structural units called:
A. fatty acids.
B. amino acids.
C. nucleotides.
D. monosaccharides.
E. glycerols.
Answer: D
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Albinism is a recessive disorder in which the skin and hair fail to produce pigment. The following question(s) ask you to evaluate the pedigree chart shown here in which "N" is the allele for normal pigmentation and "n" is the allele for albinism. The shaded circles for Deirdre and Shannon represent the only individuals expressing the disorder.
What was the probability that Deirdre and Geoff's first child would express the albino trait?
A. 1/2 B. 3/4 C. 1/8 D. 1/4
Distinguish among interphase, mitosis, and cytokinesis.
(a) Interphase: (b) Mitosis: (c) Cytokinesis:
During ________ the information in mRNA is decoded into an amino acid sequence
a. gene expression b. replication c. mitosis d. transcription e. translation
Unusual growth of cells that do not pose a threat to
surrounding tissues are termed a. malignant. b. benign. c. metastatic. d. carcinogenic. e. repressed.