Genetics

Where does replication take place?

• Cytoplasm

• Nucleus

• Ribosome

• Vacuole

RNA from a human is compared to RNA from a rose. Both wil contain which of the following?

• deoxyribose and thymine

• ribose and thymine

• deoxyribose and uracil

• ribose and uracil

Which of the following is DNA made of

• Deoxyribose

• Glucose

• Ribose

• Guanine

• Phophate

A DNA nucleotide could contain the following molecules:

• deoxyribose, cytosine, and a lipid

• deoxyribose, thymine, and a phosphate group

• ribose, uracil, and a polypeptide

• ribose, adnine, and thymine

Tags

NGSS.HS-LS3-1

What types of bonds hold together nitrogen bases?

• weak peptide bonds

• weak hydogen bonds

• strong hydrogen bonds

• strong peptide bonds

Which of the following is the best description of DNA replication?

• DNA opens up and RNA copies it

• DNA opens up and 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.

A sequence of nucleotides found in the DNA of a chromosome codes for a specific protein or trait is called what?

• allele

• codon

• ribosome

• vacuole

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Which of the following nucleic acids contains thymine?

• DNA only

• mRNA

• tRNA

• all of the above

DNA is a polymer consisting of monomers known as

• peptides

• nucleotides

• amino acids

• phosphates

Why is DNA replication considered semi-conservative? What is the end result?