Mutations occur ________ with respect to fitness

Fill in the blank with the appropriate word.


ANS:
randomly

Biology & Microbiology

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DNA is believed to have replaced RNA as the main information molecule because _____

a. DNA contains thymine and RNA does not. b. DNA is double-stranded and breaks less easily. c. DNA can store more protein-building instructions in less space. d. RNA can also function as an enzyme. e. RNA can regulate gene expression.

Biology & Microbiology

Blood containing metabolic waste is transported to the kidneys by the renal vein; the renal artery removes blood from the kidneys once the waste has been removed

Indicate whether the statement is true or false

Biology & Microbiology

In DNA

a. G pairs with T and A pairs with C. b. G pairs with A and C pairs with T. c. G pairs with C and A pairs with T. d. G pairs with C and U pairs with A.

Biology & Microbiology

Resident flora of the intestines include

A. Bacteroides. B. Haemophilus. C. Staphylococcus. D. Streptococcus. E. All of these choices are correct.

Biology & Microbiology