Nucleotides are joined together to make a nucleic acid strand by ____ bonds

a. phosphodiester
b. disulfide
c. glycosidic
d. hydrogen
e. peptide


A

Biology & Microbiology

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Bone marrow transplants typically use what type of cells?

A. Embryonic stem cells B. Embryonic germ cells C. Embryonic carcinoma cells D. Hematopoietic stem cells

Biology & Microbiology

____ are known as master genes of development, and may hold clues to the field of evolutionary developmental

biology known as Evo Devo. a. Nuclear equivalent genes b. Stem cell genes c. Prokaryotic transcription factors d. Segmentation genes e. Homeobox genes

Biology & Microbiology

Which of the following is TRUE of foodborne botulism?

A) It is an intoxication disorder. B) It is not a life-threatening infection even when left untreated. C) Large amounts of bacteria must be consumed to produce disease. D) Normal food preparation methods can prevent it. E) An effective vaccine is available.

Biology & Microbiology

The Carboniferous Period is known for

A. the appearance of the first true mammals. B. the first examples of terrestrial gymnosperms. C. the appearance of the first angiosperms. D. the formation of rich coal deposits. E. a rapid increase in the diversity of marine invertebrates.

Biology & Microbiology