Biology, 01.12.2019 18:31, mahmudabiazp3ekot
What is a protein that is the main component of the thick filaments in muscle fibers and is responsible for muscle contraction?
actin
myosin
actin and myosin
nerve and bone
Answers: 3
Biology, 21.06.2019 16:20, joejoefofana
Which element is used in photosynthesis found in atmosphere and fixed by bacteria?
Answers: 2
Biology, 21.06.2019 18:10, screamolover1700
What is unique about the members of the group of fungi to which penicillium notatum belongs? they are not important for medicine. they are not made up of hyphae. they are used in fermentation. they lost the reproductive phase.
Answers: 2
Biology, 22.06.2019 13:30, laylay1734
How do the sperm cells get from the stigma to the ovules? a. they slide down the petals to the bottom of the flower. b. they travel through pollen tubes. c. they travel along filaments. d. insects carry the sperm cells from the stigma to the ovules.
Answers: 3
What is a protein that is the main component of the thick filaments in muscle fibers and is responsi...
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