Font size
WorksheetsDNA Structure and Replication Quiz Review - By Lia (Juliana)
Total questions: 25
Worksheet time: 22mins
Please use your Journals for the whole review.
What does DNA stand for?
(a)
What is DNA's purpose
It is the instruction for all living organisms
It is the Main Source of quick energy
It controls reaction rate and forms bone, muscle, enzymes, and antibodies
Controls cell transportation, used for water proofing and is the double lipid layer of cell membranes
What does the DNA Structure look exactly and looks similar to? 2 answers choices
string
A TWISTED ladder (nitrogen bases as rungs and nucleotides as railings)
a necklace
a Double Helix
Select 3 that apply. What makes up a nucleotide?
Deoxyribose (5 carbon sugar)
Phosphate group
1 of 4 nitrogen bases (Adenine, Thymine, Guanine, Cytosine)
oxygen group
A Nucleotide is a (a) to Nucleic Acid (starts with an M)
Helix- a 3-D shape similar to a
(a)
Complimentary - Combining things in a way that ____ the qualities of each other
Enhances
diminish
Polypeptide - a group of (a) (monomers) link together to form a PROTEIN
Sequence - a particular (a) in which related events, movements, or things follow each other.
can a PURINE AND PURINE pair or PYRIMIDINE AND PYRIMIDINE pair go together?
no. its purine and pyrimidine only
yes. it doesn't matter
What are the 4 nitrogenous bases?
Nitrogen base SEQUENCE determines genetic (a) . It's why we are all different although we are made of the same thing.
What does Adenine go with?
(a)
What does Guanine go with?
(a)
Erwin Chargaff's rule : for every Adenine/cytosine, the amount of __/__ will be the same. (ORDER COUNTS)
(a)
How many weak hydrogen bonds do the Adenine and Thymine pair have? (type only the number. Nothing else)
(a)
How many weak hydrogen bonds do the Cytosine and Guanine pair have? (type only the number. Nothing else)
(a)
The bonds in the nucleotides between the 5-carbon sugar, phosphate group, and nitrogen base are__
constant
weak
strong
Where does DNA replication happen in the cell cycle?
G1
G2
S Phase
Mitosis/Cytokinesis
G0
What enzyme unwinds or "unzips" the DNA strand?
Lactase
Helicase
Polymerase III
Amylase
What BOND does Helicase break?
The weak Hydrogen bonds between nitrogen bases.
The strong covalent bonds within the nucleotide bonding 5-carbon sugar, phosphate group, and nitrogen base.
What enzyme is used to BUILD the daughter DNA strands together using free-floating nucleotides to match with the COMPLIMENTARY NITROGEN BASES (A-T and C-G) ?????
Polymerase III
Lipase
Helicase
Sucrase
What does a SEMI-CONSERVATIVE DNA STRAND mean?
all old
Half original strand and half new strand
all new
If one segment of a DNA strand is ATA CGC CCT TGA G, what are its complementary pairs? (Please write in the format of the listed bases above or it will count as wrong)
(a)
If one segment of a DNA strand is ATG CGA TAG AGT A, what are its complementary pairs? (Please write in the format of the listed bases above or it will count as wrong)
(a)
