Swanson Biology

Scientist Griffith mixed dead, virulent,  pneumonia-causing bacteria with living, harm-less bacteria.  The harmless bacteria than infected mice with pneumonia.  This experiment showed the process of....

• replication
• transcription
• transformation
• virulination

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

Which of the following best describes a DNA molecule?

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

Tags

NGSS.HS-LS1-1

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides

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

DNA codes for...

• cholesterol
• proteins
• fatty acids
• carbohydrates

Tags

NGSS.HS-LS1-1

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

Tags

NGSS.HS-LS1-1

Nucleotides are made up of a sugar, phosphate, and..?

• nitrogenous base
• nucleic acid
• cholesterol
• fatty acid

Tags

NGSS.HS-LS1-1

The backbone of a DNA molecule is made of which two components?

• phosphate molecules and ribose sugars
• deoxyphosphate molecules and ribose sugars
• phosphate molecules and deoxyribose sugars
• deoxyphosphate molecules and deoxyribose sugars