A. Contagious fatal virus
Answer:
The last choice.
Explanation:
An enzyme is a protein that breaks down into nitrogen- based amino acids.
Answer:
Number of protons
Explanation:
A is false because an atom can have a varying number of electrons and still be the same element, just a different isotope of the element
B is false because the charge of the atom only comes into play when two or more atoms are interacting
C is false bc... well. Hydrogen is literally an element.
D is false because the number of outer shell electrons (valence electrons) just determines what group (or column) the element is in on the periodic table
Answer:
True
Explanation:
These neurons secrete epinephrine and norepinephrine directly into the bloodstream and not through the synapse. The body of these neurons is located in a ganglion of the paravertebral spine.They are classified as motor vegetative neurons.
Fast twitch muscle fiber
<span>Fast twitch muscle fiber is known to be most powerful and
lowest in endurance and usually
activated when the body is near maximum exertion. They are identified by a quick
contraction time and usually low resistance to fatigue </span>but are used in powerful bursts of movements like
sprinting. however, muscle fibers have the greatest capacity to produce energy via the anaerobic energy system.