DNA Structure

Multiple Choice

DNA is related to

• Carbohydrates

• Photosynthesis

• Cellular Respiration

• Genetics

Multiple Choice

What do organisms have in common?

• DNA sequence made of A,C,T,G

• DNA sequence is in the same order

• DNA sequence between organisms have nothing in common

• DNA sequence made of A,U,C,T,G

Made of :

​

. Phosphate

. (Deoxyribose) Sugar​

​. Nitrogenous Base

​Nucleotide

Multiple Choice

What is "A"?

• Nucleotide

• Deoxyribose Sugar

• Nitrogenous base

• Phosphate

Multiple Choice

What is "B"?

• Nucleotide

• Deoxyribose Sugar

• Nitrogenous base

• Phosphate

Multiple Choice

What is "C"?

• Nucleotide

• Deoxyribose Sugar

• Nitrogenous base

• Phosphate

Multiple Choice

What is the molecule in the image?

• Nucleotide

• Deoxyribose Sugar

• Nitrogenous base

• Phosphate

A <----> T

​

G <----> C​

​

Complimentary Bases

Multiple Choice

What is the complimentary sequence of the following sequence:

GATCAG

• TGACAT

• GACATG

• CTAGTC

• CGACTA

Multiple Choice

What do the dotted lines between the nitrogenous bases (A,T,C,G) represent in the image provided?

• Covalent bonds

• Ionic bonds

• Peptide bonds

• Hydrogen bonds

Multiple Choice

What is bonded to Adenine in the image to form a section of the DNA molecule?

• Guanine and Phosphate group

• Cytosine and Deoxyribose sugar

• Thymine and Deoxyribose sugar

• Deoxyribose sugar and Phosphate group

Multiple Choice

What determines the specific traits in an organism?

• The number of carbons in the DNA molecule.

• The number of hydrogen bonds that hold the strands of DNA together. 

• The sequence of nucleotide bases in the DNA molecule.

• The sequence of phosphates along each DNA strand.