What type of tooth shears off bits of food?
a. incisors
b. canines
c. premolars
d. molars
e. dentin
a
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The letter "B" in the above figure represents a(n) _____
a. kidney b. urethra c. urinary bladder d. ureter e. Bowman’s capsule
Which component of a nephron receives fluid from the loop of the nephron?
A. glomerular capsule B. collecting duct C. distal convoluted tubule D. proximal convoluted tubule
Which of the following does NOT affect the mutation rate of a gene?
A. The size of the gene. B. The number of GC pairs versus AT pairs. C. Whether the gene is on a maternal or paternal chromosome. D. The number of trinucleotide sequences. E. All of these affect the mutation rate of a gene.
After telophase I of meiosis, the chromosomal makeup of each daughter cell is _____
A) diploid, and the chromosomes are each composed of a single chromatid B) diploid, and the chromosomes are each composed of two chromatids C) haploid, and the chromosomes are each composed of a single chromatid D) haploid, and the chromosomes are each composed of two chromatids