Biology DNA starting quiz

Which of the following is NOT a nitrogenous base of DNA

• Adenine

• Guanine

• Uracil

• Cytosine

What does DNA stand for

• Deoxyribonucleic acid

• Deoxyribbon acid

• Deoxyribonucleic base

• Deoxy- yeah i dont know

What of the following pairs with Adenine

• Guanine

• Cytosine

• Thymine

• Uracil

What is the complementary to AATTGCC

• TTAACGG

• TACGGCC

• TTACCGG

• TGAACGG

What makes up a nucleotide

• Phosphate group, Sugar, Nitrogenous acid

• Nucleus, Sugar, Nitrogenous Base

• Phosphate group, Sugar, Nitrogenous Base

• Nitrogenous Base, Sugar, Nucleic Acid

How many chromosomes are in an average human

• 24 Pairs

• 23 Pairs

• 45

• 22 Pairs

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Tags

NGSS.HS-LS1-1

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• cytosine
• guanine
• thymine
• uracil

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose sugar and adenine
• deoxyribose sugar and a hydrogen bond
• deoxyribose sugar and the nucleus
• deoxyribose sugar and phosphate

The traits of an organism are passed to its offspring on small coded strands of DNA material called

• meiosis
• recessive traits
• genes
• heredity

Tags

NGSS.HS-LS3-1