Biochemistry- Bonding and Biomolecules

Fill in the blank: When two or more atoms join together, they form a (a) _ _ _ _ _ _ _ _ _ _ .

molecule

Which of the following statements about ionic bonds is correct?

Electrons move from one atom to another

Atoms become ions

Ionic bonds are good for conducting electricity

The oxygen in water molecule has a partial __________ charge while the hydrogen has a partial ___________ charge.

negative ... positive

Which process is exothermic: bond making or bond breaking?

Bond making

Which of the following are examples of carbohydrates?

Sucrose

Cellulose

Glycogen

Which of the following is the smallest unit of any element?

Atom

What are the two most abundant elements in the body?

Oxygen, Carbon

Based on the periodic table shown, which of the following are metalloids?

Boron, Silicon, Germanium, Arsenic

A large chain of monomers is called a (a) _ _ _ _ _ _ _ _ _ _ .

Polymer

Which of the following are not functions of carbohydrates?

long term energy source

Enzymes

Which of the following are uses of lipids in the body?

Energy

Structure

Warmth

Which of the following is the monomer of proteins?

Amino acid

What is the primary building block of proteins?

Amino acids

substrates are _____

the reactants of enzyme catalzyed

catalyst is a ______

substance that speeds up the rate of a chemical reaction

enzymes are _____

proteins that act as a biological catalysts. enzymes sped up chemical reactions that take place in cells.

carbon is _____

the central atom of biomolecules

carbon will bond _______ because of ________

covalently, 4 valance electrons

what does the h stand for in the chartestics of life

Homeostasis

what does the e stand for in the chartestics of life

Energy

what does the s stand for in the chartestics of life

Stimuli

what does the c stand for in the chartestics of life

Cells

what does the O stand for in the chartestics of life

Organzation

what does the R stand for in the chartestics of life

reperduces

what does the E stand for in the chartestics of life

evolves

what does the d stand for in the chartestics of life

Delvelops & Grows

chemical reaction

is a process that changes or transforms one set of chemicals into another

reactants

The elements or compounds that enter into a chemical reaction.

products

the elements or compounds produced by a chemical reaction.

Activation energy

The energy that is needed to get a reaction started.

carbon shares electrons with sponch which is what elements?

sulfur, oxygen, nitrogen, other carbons and hydrogens