Answer:
earth worm is really fat and digestive system means u eat some and digesteds
The distance between 1 and 7 spans a sarcomere correspond the structure at B is covered by the perimysium.
<h3>What is the smallest contractile unit within skeletal muscle?</h3>
A sarcomere comprises the segment between two consecutive Z lines and is the contractile unit of the muscle fiber, as it is the smallest portion of the muscle fiber capable of contraction and distension.
In this case, the distance between points 1 and 7 has the smallest structure of a skeletal muscle and corresponds to figure B.
See more about sarcomere at brainly.com/question/14005497
#SPJ12
Triglycerides vary with respect to the number of - C atoms and double bonds in the tails.
Triglycerides are esters derived from glycerol and three fatty acids. These are the main constituents of body fat in humans and other animals, as well as vegetable fat. There are two main types of triglycerides - saturated and unsaturated.
Answer:
Enzymes speed up the chemical reactions in living cells.
Explanation:
An enzyme is a biological catalyst and is almost always a protein. It speeds up the rate of a specific chemical reaction in the cell. The enzyme is not destroyed during the reaction and is used over and over.
