The two strands of a DNA molecule contain nitrogen bases which are

A. parallel.
B. complementary.
C. identical.
D. proportionate.
E. random.


Answer: B

Biology & Microbiology

You might also like to view...

A taxon that includes only birds and bats, two clades of vertebrates capable of flight, is considered ____

a. paraphyletic b. polyphyletic c. monophyletic d. complete e. incomplete

Biology & Microbiology

Cataracts occur when the lens becomes opaque. Which symptoms most likely would be present in a patient with this

condition?

a. increased intraocular pressure b. enlarged pupil c. eye pain d. blurred vision e. headache

Biology & Microbiology

The products of photosynthesis are

A) glucose, water, and oxygen. B) glucose and water. C) carbon dioxide, water, and energy. D) carbon dioxide, chlorophyll, and oxygen. E) glucose and carbon dioxide.

Biology & Microbiology

Which is a descriptions of exenteration?

a. malignant tissues is frozen b. cells are scraped from region c. tumors are burned d. wide resection of tumor and removal of surrounding tissue e. material is taken from the vagina or cervix and analyzed microscopically

Biology & Microbiology