B 3 Biochem & Cell Bio Test S25

Carbon, nitrogen and sulfur

Carbon and hydrogen

Hydrogen, oxygen, and nitrogen

Oxygen and nitrogen

Base-paired replication

Double helical replication

Semi-conservative replication

Anti-parallel replication

Operon bonds

Ionic bonds

Phosphodiester bonds

Hydrogen bonds

Small, circular DNA floating in the cytoplasm

Double helix structure of repeating nucleotides

Contained in a nucleus

Linear, very long pieces of DNA with many thousands of genes

Long, circular DNA with several thousand genes

Made of four nitrogenous bases

Promoter

5' cap

Poly(A) tail

Okazaki fragment

Packaging of molecules

DNA replication

Protein Synthesis

Aerobic respiration

At the vacuoles

At the lysosomes

At the ribosomes

In the nucleus

Acetic acids

Amino acids  

Nucleotides

Antibodies

They only have one polypeptide chain

They contain all known amino acids

They can have catalytic subunits

They cannot be denatured

Enzymes are the source of energy for most reactions.

Enzymes raise the activation energy required for a reaction to proceed.

Enzymes increase the rate of chemical reactions which would otherwise occur too slowly to sustain life.