Which cellular shape is seen among members of domain Bacteria that is not found among the domain Archaea?
A. Bacilli
B. Spiral or corkscrew shapes
C. Comma-shaped
D. Cocci
Answer: B
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Apical dominance is an effect that causes ____
a. a directional adjustment of growth in response to environmental stimuli b. leaves and other plant parts to fall off, or senesce c. roots to lengthen while inhibiting shoot growth d. lateral buds to become active when a shoot is lengthening at its tip e. lateral buds to stay dormant when a shoot is lengthening at its tip
The 23 paired corresponding chromosomes, one from each parent are called ____
a. haploid pairs b. homologous chromosomes c. “n” pairs d. X and Y chromosomes e. sex chromosomes
Water-conducting cells that have a small diameter and tapered ends are called
A) vessel elements. B) tracheids. C) sieve-tube elements. D) collenchyma cells. E) companion cells.
If structure A is closer to the body surface than structure B, we say A is ________ to B and B is ________ to A.
Fill in the blank(s) with the appropriate word(s).