Biology study guide part 1

24 terms by Moonlet

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Unicellular

Consisting of a single cell.

Species

Distinct form of life.

DNA

The chemical responsible for inheritance.

Quanitive and Qualitative

What are three types of data?

Inference

A logical conclusion based on observations.

Independent Variable

What is changed or what is being experimented on.

Protons, electrons, neutrons

What are three things atoms are made of?

Because Ice is less dense than water.

Why does ice float?

Water

What is the universal solvent?

Acid

A compound that donates H+ ions to a solution.

Covalent bond

chemical bond that forms when two atoms share electrons.

solute+solvent=solution

Equation for a solution.

Saturated fat

fat in which all three fatty acid chains contain the maximum possible number of hydrogen atoms (Solid at room temp.)

Unsaturated fat

fat with less than the maximum number of hydrogens in one or more of its fatty acid chains (Liquid at room temp.)

Glycogen, cellulose, and starch

What are three polysaccharides?

glycogen

polysaccharide in animal cells that consists of many glucose monomers.

Cellulose

polysaccharide consisting of glucose monomers that reinforces plant-cell walls.

Starch

polysacchuride found in plant cells that consists entirely of glucose monomers.

lowering energy requirement barrier so that the reaction can proceed at normal cell temp.

How does an enzyme speed up a reaction?

They are made up of a set of 20 kinds of monomers called amino acids

What are protiens made of?

An unfavorable change in temp. pH or some other quality of the environment.

What would make a protein unravel?

Active site

region of an enzyme into which a particula substrate fits.

Dehydration reaction

two monomers bond to each other making a polymer chain longer. The reation rease a water molecule.

hydrophilic

"water loving"

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