Which of the following statements is TRUE of lymphocytes?

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#Question id: 1121

#SCPH28 | Zoology

Which of the following provides the best evidence that cell-signaling pathways evolved early in the history of life?

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#Question id: 11133

#SCPH28 | Zoology

Which of the following statements accurately describes a feature of temperature sensation by the nervous system?

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#Question id: 17675

#SCPH01 Biochemistry

In humans, albinism (unpigmented skin, hair, and eyes) is due to an enzymatic deficiency, and it is an autosomal recessive trait. Suppose that in a small country of one million people (“Generation 1”), there are 500 aa albinos and 9000 Aa heterozygous carries. If the Generation 1 follow the Hardy-Weinberg equilibrium?

a) then the number of homozygous aa albino individuals would be equal to P2

b) there were 500 albino individuals in generation one.

c) then the number of homozygous aa albino individuals would be equal to q2

d) there were 25 albino individuals in generation one.

Which of the following is the correct prediction about the hardy-weingburg equilibrium?

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#Question id: 14137

#SCPH01 Biochemistry

Consider the following alignment of two DNA sequences:

                            AGTAAC

                            AA_ _AC

Assuming an affine gap scoring scheme of an identity matrix for substitution, a gap initiation penalty of 1 and a gap extension penalty of 0.1, the score of the alignment is _________

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#Question id: 93

#SCPH01 Biochemistry

What type of bond links the monomers of a polysaccharide?