What Occurs in Anaphase II? - centromere - sister chromatid
What will be an ideal response?
- Centromere breaks
- Each sister chromatid, now a chromosome moves to opposite poles
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A pollen grain is best described as
a. a spore with a male gametophyte inside. b. a spore with a female gametophyte inside. c. a gametophyte containing an egg. d. a male sporophyte. e. a female sporophyte.
Animals in the largest phylum are _____
1.bilateral protostomes 2.unsegmented with a pseudocoel 3.jointed with an exoskeleton 4.segmented with circulatory and digestive systems in all chambers of the coelom
Before biotechnology, human proteins used in treatment of diseases were
A. not available. B. synthesized chemically. C. substituted for by similar animal proteins. D. harvested from blood or cadavers. E. substituted for by similar animal proteins and harvested from blood or cadavers only
Low body temperature triggers adaptive responses to conserve heat. Once the integrating center detects that body temperature has risen, it will decrease these responses. What is this an example of?
A. Adaptation B. Positive feedback C. Negative feedback D. Acclimatization