Osmosis can only occur if water travels through the

A. cell wall.
B. semi-permeable membrane.
C. vacuole.
D. ER.
E. cytoskeleton.


B

Biology & Microbiology

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If the codon consisted of only 2 nucleotides, _____ codons would be possible

a. 4 b. 8 c. 16 d. 32 e. 64

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Which invertebrates usually have a concentration of olfactory receptors at their head end?

A. Cnidarians B. Echinoderms C. Bilateral invertebrates D. Predatory invertebrates E. Prey invertebrates

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The work of (Needham/Redi/Spallanzani) using infusions in sealed vials provided strong evidence that spontaneous generation does not occur

What will be an ideal response?

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Which term refers to all of the chemical reactions of the cell?

A. redox reactions B. catabolism C. phosphorylation D. cellular respiration E. metabolism

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