Secondary spermatocytes each contain
A) 23 single chromosomes.
B) 23 chromosomes, each with a pair of duplicate chromatids.
C) twice the diploid number of chromosomes.
D) 46 pairs of chromosomes.
E) 46 chromosomes.
Answer: B
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Glucagon ___________.
A) stimulates gluconeogenesis and primarily targets skeletal muscle. B) stimulates gluconeogenesis and primarily targets the liver. C) only stimulates gluconeogenesis. D) primarily targets the liver. E) primarily targets skeletal muscle.
Which of the following are descending tracts in the spinal cord?
A) Rubrospinal B) Spinothalamic C) Fasciculus gracilis D) Spinocerebellar
The most common blood-borne factors that influence hypothalamic neurosecretion are the positive feedback effects of peptide hormones
a. True b. False Indicate whether the statement is true or false
Further lengthwise bone growth cannot occur once the epiphyseal lines have formed.
Answer the following statement true (T) or false (F)