Why does DNA polymerase I carry the number one?
A. It is the smallest polymerase.
B. It is the first polymerase to be activated during DNA replication.
C. It was the first polymerase isolated from E. coli.
D. It is the only polymerase that has both 3' to 5' and 5' to 3' exonuclease activity.
Answer: C
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Plants such as peppermint and sage contain oils. What is the function of these oils?
A. They help keep the plant from drying out. B. They help repel insects. C. They keep other plants from germinating nearby. D. They prevent fungal infection. E. They have hormone-like activity that helps wounds heal.
Strawberries are accessory fruits
a. True b. False
Which of the following is the effect of atrazine
on cells?
a. they induce the conversion of testosterone to estrogen b. they block the production of cortisol c. they enhance the production of melatonin d. they cause the conversion of insulin into glucagon e. they prevent TSH from stimulating thyroid hormone production
Muscle contraction accounts for over 75% of the heat generated by the body
Indicate whether the statement is true or false