In a DNA molecule, the bases are covalently bonded to each other.

Indicate whether the statement is true or false.


Ans: True

Biology & Microbiology

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Answer the following statements true (T) or false (F)

1. Temperature tends to decline with longitude. 2. Land next to the sea has more variable climate than land farther from the sea. 3. Adaptive explanations for behaviors seek to get at ultimate causes for those behaviors. 4. The monarch butterflies that migrate to Mexico in the winter have not previously flown the route.

Biology & Microbiology

Approximately how many neurons are in the human brain?

a. 1,000 b. 10,000 c. 100,000 d. 100,000,000 e. 100,000,000,000

Biology & Microbiology

For most metazoans, what is the name of the middle tissue layer during development?

a. mesoglea b. epiderm c. mesoderm d. ectoderm

Biology & Microbiology

The seven bones of the neck are called __________ vertebrae.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology