The structure indicated by the letter "B" above represents ____

a. thin filament


b. myofibril
c. myosin
d. thick filament
e. muscle fiber


ANSWER: a

Biology & Microbiology

You might also like to view...

Describe the difficulty in distinguishing a cell in the late stages of prophase and the early stages of metaphase

What will be an ideal response?

Biology & Microbiology

"Friendly" bacteria located in the vagina that keep harmful bacteria and fungi from growing are ____

a. Staphylococcus aureus b. Streptococcus c. Lactobacillus d. Candida albicans e. Staphylococcus alba

Biology & Microbiology

Two forms of hemophilia are determined by genes on the X chromosome in humans. Assume that a phenotypically normal woman whose father had hemophilia is married to a normal man. What is the probability that their first son will have hemophilia?

What will be an ideal response?

Biology & Microbiology

You suspect that your roommate may be abusing drugs. He exhibits the following symptoms: aggressiveness, bursts of extreme energy followed by "crash" periods, and delusions. Which drug may be responsible?

A) amphetamines B) LSD C) marijuana D) heroin

Biology & Microbiology