The range of all factors that influence whether a species can obtain resources essential for survival and reproduction is

its ____.
a. habitat
b. ecological niche
c. carrying capacity
d. ecosystem
e. community


ANSWER: b

Biology & Microbiology

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A homeodomain is a region within a protein that

A) acts as a receptor. B) has kinase activity. C) binds to specific base pair sequences. D) binds to transcription factors.

Biology & Microbiology

Which of the following enzymes join the

paired sticky ends of DNA fragments? a. reverse transcriptases b. restriction enzymes c. DNA ligases d. DNA polymerases e. polynucleotide kinases

Biology & Microbiology

Which of the following statements is a testable scientific hypothesis?

A) Antioxidants from food are better than antioxidants from a vitamin pill. B) Eating fish reduces the chance of having a stroke. C) Embryonic stem cell research will allow scientists to find a cure for diabetes. D) Smoking makes people less attractive.

Biology & Microbiology

In dividing cells, most of the cell's growth occurs during _______.

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

Biology & Microbiology