The first material to enter the Krebs cycle is 

A. oxygen.
B. glucose.
C. acetyl-CoA.
D. citric acid.


C. acetyl-CoA.

Biology & Microbiology

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Amino acids are linked together by peptide bonds in a ____ 

A. starch. B. polypeptide. C. polysaccharide. D. nucleic acid. E. phospholipid.

Biology & Microbiology

Only high-risk individuals such as scientists working with the organism, livestock workers, and military personnel are vaccinated for anthrax

Indicate whether the statement is true or false.

Biology & Microbiology

Where does binary fission begin?

a. the promoter region b. the metaphase plate c. the septum d. the origin

Biology & Microbiology

Photosynthetic mesophyll tissue is a type of ____

a. collenchyma b. parenchyma c. periderm d. sclerenchyma e. pericycle

Biology & Microbiology