DOL 10/8/24

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

Nitrogenous bases are joined by which type of bond?

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

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

Cytosine always pairs with

• Adenine

• Thymine

• Uracil

• Guanine

Name this structure

• double helix
• nucelotide
• twisted ladder
• hydrogen bond

Tags

NGSS.HS-LS1-1

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• ribosome
• nucleus

Tags

NGSS.MS-LS1-2

In DNA, Adenine bonds with ______________.

• Guanine

• Thymine

• Cytosine

• Adenine

Tags

NGSS.HS-LS1-1

Which question were the scientists trying to answer with this experiment?

• Where do cells come from?
• How did prokaryotes form cell membranes?
• How are biomolecules formed?
• What gave rise to the Eukaryotic cell?

The apparatus in the experiment was used to mimic what?

• Proteins
• Present Earth conditions
• Early Earth conditions
• Nucleic acids (DNA/RNA)

Tags

NGSS.HS-ESS1-6

Miller/Urey and other scientists have shown that:

•  Life on early Earth required material from space
• Cells survived in the primitive atmosphere
• Amino acids could be produced from inorganic molecules 
• Simple cells can be produced in a laboratory

Tags

NGSS.HS-LS1-6