Answer: A) sporopollenins
Explanation: Sporopollenin is one of the most chemically inert biological polymers. They contain mainly long chain fatty acids, phenylpropanoids, phenolics and traces of carotenoids. They make up the outer wall of pollen grains, spores and many microorganisms.
Answer:
By osmosis, and osmosis is passive transport.
Explanation:
In a cell, water always enters by the process of osmosis no matters the wall is hydrophobic, hyrophillic, semi - permeable.
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Active transport: Movement of materials across a membrane that requires an input of energy from a cell. Movement of material against the concentration gradient (from low concentration to high concentration)
Passive transport: Movement of materials across a membrane that does not require energy from the cell. Movement of material against the concentration gradient (from high concentration to low concentration)
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Carbs Provide Your Body With Energy
One of the primary functions of carbohydrates is to provide your body with energy. Most of the carbohydrates in the foods you eat are digested and broken down into glucose before entering the bloodstream.
egg and sperm cells have 23 chromosomes EACH
The mom would give 23
And the dad would give 23
23 + 23
46
