When air entering the respiratory tract leaves the pharynx, it next enters the
A) bronchioles.
B) larynx.
C) alveoli.
D) bronchi.
E) sinuses.
B
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Antigens are _____
A) proteins found in the blood that cause foreign blood cells to clump B) proteins embedded in B cell membranes C) proteins that consist of two light and two heavy polypeptide chains D) foreign molecules that trigger an immune response E) proteins released during an inflammatory response
Karyotype analyses are performed on cells in ____ of mitosis
a. prophase b. prometaphase c. metaphase d. anaphase e. telophase
RNA-seq (whole-transcriptome sequencing) _____
a. is a new hybridization technique used in transcriptomics b. is the most common method used to identify certain cancer genes c. identifies and quantifies RNA transcripts in a sample d. is being replaced by DNA microarrays in transcriptomics e. can only identify 100 sequences at a time
A testcross is a mating between an organism of unknown genotype and a homozygous recessive individual.
a. true b. false