Answer:How long each heart beat are apart
Explanation:
the vein isnt conected to ur heart :P
Answer:
Proteins in a membrane are C. Both answer choice is true.
Explanation:
Membranes have different types of proteins. <em>Peripheral proteins are the ones that are placed on the inside suface held in place by the cytoskeleton. Integral proteins are the ones that are embedded in the membrane and protrude from either surfaces of the bilayer. </em>These integral proteins also can be carrier proteins, which facilitate passage of molecules through the membrane
; enzymatic proteins, whichcatalyze a specific reaction or they can recognize pathogens, baing cell recognition proteins. In the membrane we can find aquaporins too, which are membrane channel proteins that enable water to cross a membrane.
FALSE
A sperm cell always has more mitochondria than a skin cell.
Why? The sperm's midpiece contains many mitochondria so that a supply of energy is available for the sperm to perform its function of traveling to and later fertilizing the egg.
Could u give me Brainliest answer plz
Answer: Proteins and carbohydrates
Explanation: Functions of a protein include building, repair, and recovery of tissues in muscle, skin, organs, blood, hair, and nails. While
Carbohydrates supply your body with quick available energy and some examples are breads, grains, and pasta.
No, you will get walked past.