Gregor Mendel ____
A. cross-bred pea plants with contrasting traits
B. claimed that each individual carries a pair of "factors" for a given trait
C. discovered that genes are on chromosomes
D. did all of these things
E. did most, but not all of these things
E
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Thought question
What will be an ideal response?
The spotted brown and black coats of mountain lion cubs make it difficult for predators to find them. This is known as ________
Fill in the blank(s) with correct word
Gynecologists perform regular Pap smears for women. This procedure is important for early diagnosis and prevention of what type of cancer?
A. liver cancer B. pancreatic cancer C. cervical cancer D. colon cancer E. breast cancer
Allosteric regulation of key enzymes in glycolytic and gluconeogenesis pathways may involve each of the following except may involve each of the following except
A) activating the enzyme activity. B) inhibiting the enzyme activity. C) binding of the allosteric regulator molecule to directly compete with substrate binding in the enzyme active site. D) binding of the allosteric regulator molecule to a site on the enzyme other than the active site. E) Any of the above may be involved.