Page 107 Fill in the blanks: In the diagram, each black circle represents a Blan
ID: 50075 • Letter: P
Question
Page 107
Fill in the blanks:
In the diagram, each black circle represents a Blank 1, and the white bars between the black circles represent Blank 2.
The sugar found in DNA is called Blank 3.
The four possible bases are adenine, thymine, cytosine, and Blank 4.
The bases are attached to the Blank 5.
A sugar + a phosphate + a nitrogen base = a Blank 6.
2.5 points
Question 2
Page 108
Fill in the blanks:
The nucleotide that is complementary to thymine is Blank 1 and the nucleotide that is complementary to cytosine is guanine.
In an actual DNA molecule, weak bonds called Blank 2 bonds would keep the left strand attached to the right strand.
The two scientists who are credited with deducing the structure of DNA are Watson and Blank 3.
DNA replication occurs in the Blank 4 of the cell, and occurs only Blank 5 in the life cycle of a cell, just prior to the beginning of cell division. (Does it occur once, twice, or continuously?)
DNA replication occurs during this stage of the cell cycle: Blank 6
The nitrogen base found in RNA that is not found in DNA is Blank 7.
3 points
Question 3
Page 108
Fill in the blanks. Spelling must be correct!
A sequence of three letters on a tRNA molecule is called an Blank 1.
A sequence of three letters on mRNA is called a Blank 2.
A sequence of three letters on DNA is called a Blank 3.
mRNA's and tRNA's are used during Blank 4.
Explanation / Answer
Q 1:
Blank 1: Base pair
Blank 2: Hydrogen bonds (base pairs are attached together by hydrogen bonds)
Blank 3: sugar found in DNA is deoxyribose
Blank 4: Guanine
Blank 5: Sugar- phosphate backbone
Blank 6: Nucleotide
Question 2:
Blank 1: Adenine
Blank 2: Hydrogen
Blank 3: Crick
Blank 4: Nucleus
Blank 5: Only once
Blank 6: S phase or synthesis phase
Blank 7: Uracil
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