Answer:
c
Explanation:
sperm
What are produced in both the male and female reproductive systems in humans?
Another name for fats and oils is triglyceride or c. lipids
Correct Statements are -
- They’re made up of more than one substance.
- They’re readily available in nature.
<h3>
What are Composite Materials?</h3>
- Composite materials are created by combining two or more substances with dissimilar properties.
- Composite materials have distinct properties that distinguish them from their constituents, and the constituents can be easily distinguished within the composite materials because they do not blend together.
- Some composite materials are abundant in nature. Wood, for example, is a composite material made up of cellulose and lignin.
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Answer:
D
Explanation:
Facilitated diffusion is a form of passive transport hence no energy is required by the cell. This means that while the molecules are moving down a concentration gradient – line normal diffusion – the movement of the molecules needs to be facilitated (in this case by a transmembrane protein) either because the molecule is polar and can't pass through the hydrophobic region of the cell membrane, or the molecule is too big to passively pass through the small natural pores of the cell membrane.
Energy is usually liberated from the ATP molecule to do work in the cell by a reaction that removes one of the phosphate-oxygen groups, leaving adenosine diphosphate (ADT). When the ATP converts to ADP, the ATP is said to be spent.