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Biology

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Khalil Lubowitz

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Cards in this guide (9)
What causes water to be a polar molecule

Unequal sharing of electrons.

What molecule is split during the light reactions of photosynthesis to release oxygen

water

What part of an atom has the least mass

This is the electron with a mass of 9,10938291.10(ex.-35) kg.

Isotopes of uncharged elements have different numbers of which of these

Isotopes of an element have nuclei with the same number of protons (the same atomic number) but different numbers of neutrons Neutrons (:

What kind of energy is stored energy

This is called potential energy, because it is available when required

What term is defined as anything that has mass and takes up space

Matter Matter is the term that defines as anything that has mass and takes up space.

Matter

What type of organic macromolecule is an enzyme

Many enzymes consist of a protein and a non-protein (called the cofactor). The proteins in enzymes are usually globular. They have tertiary structure and this type of globular protein includes immunoglobins, as well. The structures are held in place by hydrogen bonds, disulfide bridges and ionic bonds.

What of these is always part of using the scientific method

A question about an observation

What system maintains the ph of human blood at very near 7.4

Carbon acid

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