All animals use forms of the pigment retinal in their photoreceptors to absorb light energy. What vitamin is retinal synthesized from?

1.Vitamin A
2.Vitamin C
3.Vitamin D
4.Vitamin E


1

Biology & Microbiology

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Which of the following describes ATP hydrolysis? Select all correct choices

A. exergonic B. spontaneous C. often coupled to a reaction that has a positive ?G

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The second cervical vertebrae, that allows for rotational movement, is called the ___________

Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

In the late 1970s Woes argued that prokaryotes account for two of the three major branches of

organisms because:a. prokaryotes carry on photosynthesis. b. the genome of methane producing bacteria has been completed. c. eukaryotes are assigned to super groups. d. of differences in sequence analysis of 16sRNA of different group of prokaryotes. e. there are molecular similarities among Archaea, Bacteria, & Eukarya

Biology & Microbiology

A woman who has blood type A, has a daughter who is type O positive and a son who is type B negative. Rh positive is a simple dominant trait over Rh negative. Which of the following is a possible genotype for the son?

A) IBIB B) IBIA C) ii D) IBi E) IAIA

Biology & Microbiology