Which of the following organisms has a cell wall?
A. Entamoeba histolytica
B. Candida albicans
C. Trypanosoma cruzi
D. Enterobius vermicularis
Answer: B
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When a DNA molecule is replicated, the daughter molecules contain one strand of parental DNA and one strand of newly synthesized DNA; this is called ________ replication.
A. conservative B. semiconservative C. dispersive D. hemiconservative
Why would athletes in aerobic sports benefit by training at high altitude? What will be an ideal response?
Which of the following is NOT a nucleotide base found in DNA?
A. Adenine B. Thymine C. Guanine D. Cytosine E. Uracil
Movement of molecules or ions from a region of higher to lower concentration; it requires no energy and tends to lead to an equal distribution (equilibrium).
What will be an ideal response?