All epithelial cells in the inner lining of the large intestine that are heterozygous for an APC mutation ____
a. are able to control cell division with the second copy of the APC gene
b. become cancerous
c. require additional mutations in downstream genes to become cancerous
d. cause the transition from polyps into colon cancer
e. can partially escape control of the cell cycle and lead to the formation of clusters of polyps
e
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Answer the question using the accompanying figure.Which number identifies the tympanic membrane?
a. 4 b. 5 c. 6 d. 8 e. 10
In the first stage of the ovarian cycle, what gamete cell starts to develop?
a. polar body b. primary oocyte c. secondary oocyte d. follicle cells e. corpus luteum cells
Meiosis I is known as a ________ division because of what happens to the chromosome number
Fill in the blank with correct word.
Which best describes how these nucleotides are used during DNA replication?
A) They are joined to form proteins. B) They proofread the DNA to prevent errors. C) They are added to growing DNA strands following base-pairing rules. D) They are enzymes that break the hydrogen bonds, allowing the DNA molecule to unzip