Which of the following is an excitatory neurotransmitter secreted by motor neurons innervating skeletal muscle?

A) gamma aminobutyric acid

B) acetylcholine

C) cholinesterase

D) norepinephrine

You are engaged in a project to breed new color variants in snakes. A certain chromosome carries three genes that all affect pigmentation. Two of the genes, A and B are near each other on the chromosome, but gene C is further away.

Vitamin found in egg

Why is it important for the brain and spinal cord to be protected? Select all that apply. 1: because the spinal cord supports the body and keeps humans standing upright 2: because the brain and spinal cord are delicate 3: because the brain and

Roberto has twice the mass his sister Mary has 40 kg but runs at the same velocity as Mary (1 m/s). Will his kinetic energy be twice as much?

Alison was found wandering near her neighborhood three weeks after she went missing. On being questioned by the police, Alison revealed that she couldn't remember anything that had happened to her over the past fortnight.

In a pond, algae has 10,000 kcal of available energy. If the zooplankton which consumes the algae has 1,000 kcal of available energy, what is the available energy to the minnows that consume the zooplankton?

Why are the symptoms of vascular neurocognitive disorder so different in each patient?

A mutation in a dna molecule is passed to offspring only when the mutation occurs in a

If an organism used glycolysis (Embden-Meyerhof-Parnas pathway) but were unable to use fermentation or an electron transport chain, what problem would develop?

An elements oxidation number is the number of ___ it will gain or lose in a chemical reaction a - electrons b - nucleons c - neutrons d - protons