Which of the following statements is TRUE?
A. The leading strand is replicated continuously for the entire length of the chromosome, e.g. while the lagging strand has multiple origins of replication.
B. The lagging strand is synthesized in a semiconservative fashion while the leading strand is synthesized in a conservative fashion.
C. Synthesis of the lagging strand requires more DNA helicase enzymes than synthesis of the leading strand.
D. The lagging strand has a higher mutation rate than the leading strand.
E. None of these are true
E. None of these are true
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The head of a sperm is capped with an organelle that contains glycoprotein-digesting enzymes. What is this organelle called?
A. zona pellucida B. acrosome C. granulosa D. blastula E. neural cap
Which process involves antibodies coating microorganisms in order to facilitate phagocytosis?
A. Neutralization B. Opsonization C. Complement fixation D. Agglutination E. Anamnestic response
Blood pressure is the measure of pressure in a large artery and is recorded as two numbers (120/80). These numbers stand for the pressure
A. while the heart is contracting over the pressure while the heart is relaxed. B. while the subject is exercising over the pressure while at rest. C. while the heart is relaxed over the pressure while the heart is contracting. D. in the pulmonary system over the pressure in the systemic system.
Predict what would happen to the secondary structure of a protein if an alcohol that disrupts hydrogen bonding were added.
A.) nothing would happen to the protein; hydrogen bonding is not important for secondary structure B.) the beta sheets would unfold, disrupting protein structure C.) individual amino acids would be hydrolyzed from the protein, disrupting protein structure D.) the alpha helices would unfold, disrupting protein structure