A molecule that functions in maintaining and/or reproducing life is called the molecule of life. The four molecules of life are proteins, carbohydrates, lipids, and nucleic acids. Each of the four groups is vital for every single organism on Earth. Without any of these four molecules, a cell and organism would not be able to live. They structurally or functionally for cells and mostly they are important in both ways.
The existence of land bridges was used to dispute continental drift
Atoms<span> vs. </span>Ions<span>. </span>Atoms<span> are neutral; they contain the same number of protons as electrons. By definition, an </span>ion<span> is an electrically charged particle produced by either removing electrons from a neutral </span>atom<span> to give a positive </span>ion<span> or adding electrons to a neutral </span>atom<span> to give a negative </span>ion<span>.</span>
Just like vitamins, minerals help your body grow, develop, and stay healthy. The body uses minerals to perform many different functions — from building strong bones to transmitting nerve impulses. Some minerals are even used to make hormones or maintain a normal heartbeat. Hope this helps:)
Flagella provide motility to a sperm cell, cilia act as sensory "antennae" in many cells and microvilli Increase a cell surface area
<h3>What is flagella, cilia and microvilli?</h3>
Flagella is a hair-like structure used by cells for locomotion or movement. The sperm makes use of flagella for locomotion.
Cilia is a hair-like structure that is found on the surface of organisms which are sensitive to touch.
Microvilli is a hair-like structure that is richly fortified with blood vessels found in areas for absorption. This is because it increases the surface area.
Learn more about absorption here:
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