biology chemistry test mutiply choice september/ 29

An enzyme is

a biological catalyst

A (n) _____ reaction occurs when ionic or covalent bonds are broken and elements, ions, or simpler molecules are formed

decomposition

The breakdown of a polysaccharide into monosaccharides in an example of

decomposition

identify the substance cholesterol

lipids

Starch is made up of

C6H12O6 or glucose

check the correct statement regarding a compound and molecules

: a compound consists of two or distinct atoms, a molecule may consist of two similar elements chemically bonded

genetic code contains

Complex information, and detailed instructions

Which statement correctly relates to DNA and RNA

RNA reads and translates the DNA code.

Which processes are involved In metabolism

all of the above

When a substance dissociates into OH-ions, they're classified as ___

bases

identify the substance sugar

carbohydrates

The subatomic particles/ units which governs potential chemicals reactions among elements are: ______-

electrons

Ionic bounds usually hold ______ compound together.

inorganic

Water found in animal and human cells is most often found in the_______ phase of matter, and oxygen Is found in the ______ phase of matter

liquid, and gas

identify the substance DNA

nucleis acid

in the process of ionic bonding

outer energy level electrons are gained and lost

Antibodies, certain hormones, and hormones, and hemoglobin

protein

Which stamen are correct relatives carbohydrates

quick source of energy , and most are monosaccharides

Catalysts and enzymes are known to _____ a chemical reaction, but not be consumed in the reaction

speed up

a chemical reaction in your body which bond are broken in associated with

the release of energy