Where do exocytic secretory vesicles originate?
a. endoplasmic reticulum
b. plasma membrane
c. the Golgi complex
d. lysosomes
e. microbodies
ANSWER: c
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Which is true about C. botulinum?
A. It is anaerobic. B. It may form spores. C. It produces a neurotoxin. D. It does not grow well below pH 4.5. E. All of the choices are correct.
Bony fish usually do not need to adjust pupil size because:
a. their eyelids protect their eyes from bright light. b. the quantity of light is relatively low. c. they can move their lens forward and backward. d. a in conjunction with c
The visual deficit related to a misshapen cornea is ____
a. red-green color blindness b. astigmatism c. hyperopia d. myopia e. cataracts
Predict what would happen if crossing over between homologous chromosomes occurred as part of mitosis.
A) Daughter cells would not be genetically identical. B) Daughter cells could contain two copies of the same allele. C) There would be no effect because sister chromatids separate in anaphase. D) Daughter cells would not be genetically identical, and they could contain two copies of the same allele.