genetics

Where does DNA replication take place?

• cytoplasm

• nucleus

• ribosomes

• vacuole

The section of DNA that codes for a specific protein is called?

• chromosome

• gene

• chromatid

• allele

RNA from humans is compared to RNA from turtles, both will contain

• sugar, deoxyribose and thymine

• sugar, deoxyribose and uracil

• sugar ribose and thymine

• sugar ribose and uracil

A DNA nucleotide contains

• deoxyribose, cytosine, lipid

• deoxyribose, thymine, phosphate group

• ribose, uracil, polypeptide

• ribose, adenine, thymine

Which contains thymine?

• transfer RNA

• DNA

• messenger RNA

• all of the above

what type of bonds hold nucleotide bases together?

• weak peptide bonds

• strong hydrogen

• strong peptide bonds

• weak hydrogen bonds

DNA is a polymer consisting of monomers known as

• peptides

• amino acids

• nucleotides

• phosphates

In nucleotides, A, G, C,T represent

• phosphate groups

• deoxyribose sugars

• nitrogen bases

• ribose sugars

The cellular process of creating two new DNA molecules from one copy is called replication. Which statement is the BEST description of this process?

• DNA opens up and RNA copies it

• DNA opens up completely unwinds to make two new molecules

• DNA opens up and each strand is used as a template for making a new strand

• RNA opens up the DNA and uses each strand as a template for a new strand

amino acids bonds together by

• peptide bond

• hydrogen bond

• covalent bond

• ionic bond