Life Science 2023 Paper2 November SECTION A 1.3-1.5

1.3
Indicate whether each of the descriptions in COLUMN I apply to A ONLY,
B ONLY, BOTH A AND B or NONE of the items in COLUMN II. Write A only,
B only, both A and B or none next to the question numbers (1.3.1 to 1.3.3) in
the ANSWER BOOK.
This is how your instructions will be in the exam. For this exam pract
ice, just select or type the correct answer.

1.3.1

1.3
Indicate whether each of the descriptions in COLUMN I apply to A ONLY,
B ONLY, BOTH A AND B or NONE of the items in COLUMN II. Write A only,
B only, both A and B or none next to the question numbers (1.3.1 to 1.3.3) in
the ANSWER BOOK.
This is how your instructions will be in the exam. For this exam pract
ice, just select or type the correct answer.

1.3.2

1.3
Indicate whether each of the descriptions in COLUMN I apply to A ONLY,
B ONLY, BOTH A AND B or NONE of the items in COLUMN II. Write A only,
B only, both A and B or none next to the question numbers (1.3.1 to 1.3.3) in
the ANSWER BOOK.
This is how your instructions will be in the exam. For this exam pract
ice, just select or type the correct answer.

1.3.3

1.4
The diagram below shows the inheritance of blood groups in a family.

1.4.1
Name the type of diagram shown.

1.4
The diagram below shows the inheritance of blood groups in a family.

1.4.2
Give the number of alleles that control blood groups.

1.4
The diagram below shows the inheritance of blood groups in a family.

1.4.3
How many generations are represented in the diagram?

1.4
The diagram below shows the inheritance of blood groups in a family.

1.4.5
Give the genotype of Bob.

1.4
The diagram below shows the inheritance of blood groups in a family.

1.4.6
Give the name of the individual which displays co-dominance.

1.5
The diagram below is a schematic representation of protein synthesis.

1.5.1 Identify:

1.5
The diagram below is a schematic representation of protein synthesis.

1.5.1b Identify:

1.5
The diagram below is a schematic representation of protein synthesis.

1.5.1c Identify:

1.5
The diagram below is a schematic representation of protein synthesis.

1.5.2
Give the collective name of nitrogenous bases O.

1.5
The diagram below is a schematic representation of protein synthesis.

1.5.3
Determine the sequence of the nitrogenous bases at area S.

1.5
The diagram below is a schematic representation of protein synthesis.

1.5.4
Which strand (1 or 2) was used as a template for the formation of
molecule R?

1.5
The diagram below is a schematic representation of protein synthesis.

1.5.5
Which amino acid (3, 4 or 5) will be brought to area P?

1.5
The diagram below is a schematic representation of protein synthesis.

1.5.6
Name the type of sugar that forms part of the structure of
molecule R.