Which one of the following properly groups a junctional complex with a cytoskeletal structure and cell adhesion molecule?
A. desmosome, microtubule, integrin
B. desmosome, microfilament, integrin
C. tight junction, cadherin, intermediate
filament
D. adherens junction, microfilament, cadherin
D
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The two-factor crosses performed by Mendel support the observation that
A. alleles for a given trait are distributed randomly among an individual's gametes independent of the alleles for other traits. B. traits that are encoded by genes on different chromosomes are never found within the same gamete. C. the F1 generation can display phenotypes in combinations different from those seen in the P generation. D. the F2 generation will only display phenotypes in the same combinations as the P generation. E. self-fertilization of the F1 generation will produce 100% heterozygous plants at both loci.
Which of the following describes a template strand?
a. a DNA strand that specifies the complementary mRNA molecule b. a DNA strand that is not used to transcribe mRNA c. a region of locally unwound DNA that allows for transcription of mRNA d. a sequence present in protein-coding mRNA
Women wishing to get pregnant can monitor the
amount of which of the following? a. LH b. PSA c. MDH d. ESP e. none of these
The ____ is not part of the middle ear.
A. incus B. soma C. stapes D. malleus