MCQ

CH6 - NUCLEIC ACIDS AND PROTEIN SYNTHESIS

During sperm formation in mammals, part of the structure of each chromosome is replaced with proteins called protamines. This replacement allows the D...

2024 Spring

3

MCQ

CH6 - NUCLEIC ACIDS AND PROTEIN SYNTHESIS

The mRNA codons ACU, ACC, ACA and ACG all code for the same amino acid, threonine.Which anticodons could specify an amino acid other than threonine?1 ...

2024 Summer

3

MCQ

CH6 - NUCLEIC ACIDS AND PROTEIN SYNTHESIS

The diagrams show the chemical structure of four bases.Which diagrams show thymine and cytosine?

2024 Summer

8

MCQ

CH6 - NUCLEIC ACIDS AND PROTEIN SYNTHESIS

Which bond formation does DNA polymerase catalyse?

2024 Summer

2

MCQ

CH6 - NUCLEIC ACIDS AND PROTEIN SYNTHESIS

The diagram shows the nucleotide sequence of a small section of the transcribed strand of a gene. CGG GCC CCG CGGThe table shows the amino acids coded...

2024 Summer

8

MCQ

CH6 - NUCLEIC ACIDS AND PROTEIN SYNTHESIS

In eukaryotes, the RNA molecules formed during transcription are modified by the removal of non-coding sequences. This is followed by the joining toge...

2024 Summer

3

MCQ

CH6 - NUCLEIC ACIDS AND PROTEIN SYNTHESIS

Which statements describe how a gene mutation can lead to the production of a non-functional protein? 1. During transcription, an incorrect nucleotid...

2024 Winter

3

MCQ

CH6 - NUCLEIC ACIDS AND PROTEIN SYNTHESIS

Which statements are correct for all nucleotides?1. The nitrogen-containing base is always attached to carbon atom 1 of the pentose.2. The phosphate g...

2024 Spring

2

MCQ

CH6 - NUCLEIC ACIDS AND PROTEIN SYNTHESIS

What does the process of translation require?

2024 Summer

4

MCQ

CH6 - NUCLEIC ACIDS AND PROTEIN SYNTHESIS

How many phosphodiester bonds are present in a circular DNA molecule of 2700 base pairs?

2024 Spring

3

MCQ

CH1 - CELL STRUCTURE

Which of the cell organelles will be clearly visible under the high power (×400) of the light microscope? [Table_1]

2016 Summer

3

MCQ

CH1 - CELL STRUCTURE

The drawing from an electron micrograph shows a ciliated epithelial cell, magnified \times 1500, which is found in the trachea. Line X-Y shows the wid...

2016 Summer

2

MCQ

CH1 - CELL STRUCTURE

What are correct locations of ribosomes in the typical eukaryotic cell?1. free in the cytoplasm2. attached to the outside of the endoplasmic reticulum...

2016 Summer

4

MCQ

CH1 - CELL STRUCTURE

Visking tubing is an artificial partially permeable membrane used to demonstrate diffusion. Glucose molecules can pass through the pores in the membra...

2016 Summer

3

MCQ

CH1 - CELL STRUCTURE

What are found in both chloroplasts and typical prokaryotic cells?

2016 Summer

4

MCQ

CH2 - BIOLOGICAL MOLECULES

Two solutions, 1 and 2, one containing starch and sucrose, and the other containing glucose and protein, were tested with a variety of reagents to con...

2016 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

X and Y are two monomers found in biological polymers.[Image: Monomers X and Y]Which monomer is found in each of cellulose, glycogen, amylopectin and ...

2016 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

Chitin is a polysaccharide consisting of long straight chains of the monosaccharide acetylglucosamine, linked by 1,4 glycosidic bonds.Acetylglucosamin...

2016 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

Which statement about triglycerides is correct?

2016 Summer

3

MCQ

CH2 - BIOLOGICAL MOLECULES

The diagrams show the structures of two amino acids, one of which has two amine (–NH₂) groups and the other has two carboxylic (–COOH) groups. ...

2016 Summer

3