Yes a hypothesis is an educated guess because you guess on what the conclusion will be in an experiment
Answer:
Walking
Explanation:
A muscle cell usually contracts or expands simultaneously when one is working or doing some activities like running, exercises, house chores e.t.c
Muscles are flexible fibers that are very essential appendages for locomotion in human beings.
For muscle cells to contract, they are pulled together thereby causing tension in the muscle. When they are relaxed, they move away from one another.
The correct answer is: c. Mitochondria and d. Rough ER
Protein disulfide bonds are the links between the sulfur atoms of two cysteine amino acids of the protein and these bonds are part of the secondary and tertiary structure of proteins. Formation of disulfide bonds is very important for the folding and stability of some proteins. Disulfide bonds are mostly found in secretory proteins and lysosomal proteins because of their unstable state in cytosol.
