The answer is facilitated diffusion. Facilitated diffusion happens when there is a
carried changing the cell membrane so the nutrients can pass through. During facilitated diffusion, the absorbed
nutrients such as water soluble vitamins need a specific carrier to transport
the to the cell membrane.
Answer:
1. B
Explanation:
A producer is an organism that makes it's own food, such as a plant with photosynthesis, lichens and algae converting water, etc.
By the way, the racoon and beetle would be considered <em>consumers</em><em>,</em><em> </em>as they cannot make their own food.
Answer:
All foods have mixtures of the energy-giving nutrients.
Explanation:
Meat is not only made up of protein, iwrongt would be naive to say to meat is wholly protein, since other nutrients are present.
Every food possesses energy-giving nutrient mixtures. Meat for example, as high protein content, significant amount of lipids, fat-soluble vitamins (A, D, E and K), water-soluble vitamins (the vitamin B family).
Answer:
Recently scientists have discovered an enzyme, BACE2, that decreases these abnormal protein fragments in the brain of a person with Alzheimer’s disease.
Explanation:
The major function of the reproductive system is to make sure that the human species<span> survives. It is not necessary for every human being to produce children, but in order to continue our human species, at least some people have to have children. The four main functions of the human reproductive system are: To produce egg and sperm cells, to transport and sustain these cells, to nurture the developing offspring, and to produce hormones.</span>
<span>All of these functions are divided by their primary and secondary, or accessory, reproductive organs. </span>
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Hope this helps and good luck :)</span>