Any given cell must have:
A. cell membrane
B. Ribosome
C. Flagella
D. Chromosome
E. Glycocalyx
A. A, B, and D
B. A and D
C. A, B, C, and D
D. A, B, and C
E. A, C, D, and E
Ans: A. A, B, and D
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The presence of ____ in urine indicates a pregnancy
a. estrogen b. progesterone c. human chorionic gonadotropin d. FSH e. LH
Which movement is a passive process?
a. sodium-potassium pump b. endocytosis c. exocytosis d. diffusion e. transport proteins and ATP
A protein that functions as a cell-cycle regulator causes cell death (apoptosis) under high sunlight exposure. Which symbol given to this protein?
A) p34 B) cyclin C) p102 D) phosphokinase E) p53
Which of the following are found within the monomer unit of DNA?
A. fatty acids, sugars B. phosphate, amino acids C. phosphate, nitrogen bases D. nitrogen bases, fatty acid E. amino acids, nitrogen bases