Which hypothesis of aging involves mitochondria?
A. gene damage by free radicals
B. external factors
C. extrinsic factors
D. whole-body process
E. damage accumulation
Answer: A
Biology & Microbiology
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Microsporocytes and megasporocytes are associated with which type of plant?
a. lichens b. gymnosperms c. liverworts d. mosses
Biology & Microbiology
Explain how enzymes are regulated by feedback inhibition.
What will be an ideal response?
Biology & Microbiology
Ferns and club mosses had an advantage over earlier plants because they developed
A) swimming sperm. B) mitochondria. C) flowers. D) cones. E) photosynthesis.
Biology & Microbiology
A snail is a(n)
A) nematode. B) chordate. C) arthropod. D) mollusk. E) echinoderm.
Biology & Microbiology