How are the axons of commissural neurons directed to the floor plate of the spinal cord?
a. e...
Biology, 30.08.2019 22:30, lindsaynielsen13
How are the axons of commissural neurons directed to the floor plate of the spinal cord?
a. ephrins repel the axons
b. eph receptors attract the axons
c. netrins and wny inhibitors attract the axons
d. netrins and shh attract the axons
Answers: 2
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Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.
Answers: 1
Biology, 21.06.2019 21:00, pnicklin00
Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.
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The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping
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Biology, 22.06.2019 19:00, dejamjones54091
Achange in direction without a change in speed is called velocity
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