ANA BIO #1

Biology is the study of

• minerals

• weather

• life

• energy

Example of homeostasis ( responding/regulating to change)

• exercising

• sweating

• headache

• aches and pains

Choose all the functions of a carbohydrate

• store energy

• helps you loose weight

• provides structural support

• transports

Atomic number is determined by the number of ________ in an atom.

• ad all of them

• electrons

• neutrons

• protons

Which subatomic particles are located in the nucleus?

• protons and electrons

• protons and neutrons

• neutrons and electrons

• only electrons

A negative ion results when an atom __________.

• gains protons

• loses protons

• gains electrons

• loses electrons

The subunits of proteins are called ___________

and subunits of fats are called ______________.

• amino acid; fatty acids

• nucleic acids; monosaccharide

• amino acids, monosaccharide

• nucleic acids; fatty acids

The monomers of nucleic acid molecules are___________.

• amino acid

• DNA and RNA

• nucleotides

• polysaccharides

Enzymes act as biological _____________.

• substrates

• inhibitors

• active sites

• catalysts

The part of the enzyme molecule into which the substrate fits is called the ____.

• protease

• polypeptide

• coenzyme

• active site