Problem:
Question 1: The polarity in a DNA stand is indicated by referring to one end as the 3' end and the other as the 5' end. which structure is on the 3' end?
a) nitrogenous base
b) methyl
c) hydroxyl group
d) phosphate group
Question 2: what type of macromolecule helps package DNA in eukaryotic chromosomes?
a) lipids
b) RNA
c) Proteins
d) Carbohydrates
Question 3: DNA replication origins are typically rin in G-C base pairs.
True or False
Quetion 4: when DNA is being replicated inside a cell, local heating occurs, allowing the two strands to separate.
true or false
Please provide correct and best answer.