Genetics review

Which of the following is a correct pairing of bases in a DNA molecule?

• uracil-adenine

• cytosine-cytosine

• cytosine-thymine

• cytosine-guanine

The sides of DNA is made up of ------ and ----------

• sugar and Phosphate

• sugar and base

• acid bases

• nitrogen and sulphur

A nucleotide consists of a ------, a-------- and a ---------

• DNA,RNA and proteins

• sugar, phosphate,base

• adenine,guyanine and cytosine

• ribosomes,chromosomes,nucleus

If a sample of DNA contained 23% of guanine, which of the following is TRUE?

• There would be 77% cytosine

• There would be 23% of uracil

• There would be 23% of Cytosine

• There would be 77% of guanine

All the information needed to make and control every part of an organism is found in

• Ribosomes

• DNA

• RNA

• Chrmosomes

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Long strings of amino acids form

• bases

• Proteins

• sugar

Tags

NGSS.HS-LS1-6

During replication

• DNA makes three copies of RNA

• DNA makes exact copies of themselves

• DNA makes exact copies of RNA

DNA is made of

• twisted ladders

• A,U,C,G, sugar and Bases

• Nitrogen bases

• Nitrogen bases, sugar and phosphate

The rungs of DNA are

• nucleotide bases

• sugar

• proteins

• traits

During the DNA replication-------- attached to the each sideof the DNA strand

• Nucleotide

• Nitrogen bases

• proteins