Which of the following bases is contained by DNA but not RNA?

A. Adenine
B. Guanine
C. Thymine
D. Uracil


Ans: C. Thymine

Biology & Microbiology

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Which of the following is not a correct pairing of tooth type and function?

A. incisors: piercing B. canines: ripping and tearing C. premolars: shearing D. molars: grinding E. All of the answer options are correct pairings.

Biology & Microbiology

The DNA in the nucleus of a typical human cell nucleus would be about ____ long if fully stretched

out.

a. 2 m b. 10 mm c. 100 m d. 10 ?m e. 2 km

Biology & Microbiology

Which of the following solutes is NOT normally found in the plasma?  

A.  metabolites, wastes, and hormones B.  globulins C.  hemoglobin D.  ions E.  albumin

Biology & Microbiology

Which of the following molecules is NOT DIRECTLY involved in translation?

a. DNA b. mRNA c. ribosomes d. tRNA e. All of the above molecules are directly involved in translation.

Biology & Microbiology