Carbohydrates are composed of:
A. amino acids.
B. fatty acids and glycerol.
C. nucleotides.
D. monosaccharides.
D
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As a cell increases in size, the surface area ________ and the volume ________.
Fill in the blank(s) with the appropriate word(s).
In an annual tree ring, the wood with large
diameter, thin-walled cells is
a. called early wood. b. heartwood. c. formed from crushed phloem cells. d. produced in the winter. e. called late wood
What is required for the separation of homologous chromosomes at anaphase I?
a) the separation of sister centromeres b) the dissolution of the chiasmata c) the separation of the nucleosomes d) the dissolution of the centromeres e) the dissolution of the centrosomes
Please match the diseases with their most common portal of exit.
Gonorrhea A) Respiratory tract (aerosols) B) GI tract (saliva droplets) C) Exudates from skin lesions D) GI tract (diarrhea) E) Reproductive tract (semen) F) Blood through a contaminated needle