Light serves two important functions for life on Earth. What is light's one source that sustains life, and what information does it provide organisms with?

a. energy; information about chemical life
b. chemicals; information about physical life
c. chemicals; information about surrounding life
d. energy; information about physical life


Ans: d. energy; information about physical life

Biology & Microbiology

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The codon encoding the amino acid methionine functions as a start codon when it occurs at the beginning of a gene

a. True b. False

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Descendant cells that are long-lived and "remember" a particular invader and mount a rapid intense response to it if it should reappear are ________

A) memory cells B) suppressor cells C) helper cells D) macrophages

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Because of its function, this hormone is often called interstitial cell-stimulating hormone

A) LH B) inhibin C) FSH D) GnRH

Biology & Microbiology

Semisynthetic drugs developed to combat resistance are often called (analog/second generation/synergist) drugs

What will be an ideal response?

Biology & Microbiology