The student knows the mechanisms of genetics such as the role of nucleic acids and the principles of Mendelian and non-Mendelian genetics.
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Q 1/10
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A model of a DNA molecule is shown here. The arrow indicates-
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the hydrogen bond between complementary nucleotides
the junction of entrons and exons in the sense strand of DNA
the junction of a codon and a DNA triplet
the bond between adjacent phosphate and deoxyribose molecules
Q 2/10
Score 0
Characteristics such as a widow’s peak or attached earlobes are determined by the genetic code. Which components of DNA are referred to as the genetic code?
30
Phosphate groups
Deoxyribose sugars
Nitrogenous bases
Hydrogen bonds
10 questions
Q.
A model of a DNA molecule is shown here. The arrow indicates-
1
30 sec
BIOL.6a
Q.
Characteristics such as a widow’s peak or attached earlobes are determined by the genetic code. Which components of DNA are referred to as the genetic code?
2
30 sec
BIOL.6a
Q.
How does DNA in cells determine an organism’s complex traits?
3
30 sec
BIOL.6a
Q.
The sequence of nitrogenous bases in DNA varies widely. The sequence of the bases in DNA is most important for which of the following?
4
30 sec
BIOL.6a
Q.
In 1952 Rosalind Franklin took the x-ray photograph shown below, which gave the world its first look at DNA. By studying this photograph, scientists gained knowledge about the-
5
30 sec
BIOL.6a
Q.
A segment of DNA is represented in the illustration. How is information for a specific protein carried on the DNA molecule?
6
30 sec
BIOL.6a
Q.
Human bone, muscle, and nerve cells all contain the same number of chromosomes with the same complement of genes. What enables these cells to perform specialized activities?
7
30 sec
BIOL.6a
Q.
Nitrogenous bases are located on both strands of the DNA double helix. What is the significance of the nitrogenous bases?
8
30 sec
BIOL.6a
Q.
Eight components present in nucleic acids are listed in the box. Which components bond with adenine in a section of double-stranded DNA?
9
30 sec
BIOL.6a
Q.
A segment of a DNA strand is shown. 3' AGGTCAGGT 5' Which of these is the correct complementary DNA strand for the segment shown?
