Oxygen-rich blood moves through the left side of the heart while oxygen-poor blood moves through the right side.

a. true
b. false


Ans: a. true

Biology & Microbiology

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In the early years of the twentieth century, ____ proposed that some genetic disorders and abnormalities of metabolism are related

a. Sir Archibald Garrod b. Francis Crick c. Linus Pauling d. Linda Bartoshuk e. Gregor Mendel

Biology & Microbiology

Australia, Antarctica, and South America represent fragments of

a. Australasia. b. Laurasia. c. Gondwanaland. d. Eurasia. e. Amerasia.

Biology & Microbiology

Which of these is an example of sister chromatids?

a. Replicated chromosomes held together at the centromere b. Maternal chromosome 1 and paternal chromosome 3 c. X and Y chromosomes d. Maternal chromosome 1 and paternal chromosome 1

Biology & Microbiology

The different forms of a gene-for example, those responsible for eye color-are called

A) sister chromatids. B) receptors. C) alleles. D) cyclins. E) telomeres.

Biology & Microbiology