Question 1

What happens to the cells that do not undergo cell division after going through the G1 phase?

Accepted Answer

They proceed to the G0 phase.

Question 2

In plant cytokinesis, the division occurs ____. Meanwhile, in animal cytokinesis, cell division happens ____.

Accepted Answer

centrifugally; centripetally

Question 3

Identify the structure in chromatin that packages the huge amount of DNA so it can fit in the cell's nucleus.

Accepted Answer

Histone

Question 4

Cancerous cells differ from normal cells by

Accepted Answer

All of these

Question 5

In terms of habitat colonization, how do asexual reproducers differ from sexual reproducers?

Accepted Answer

Asexual reproducers can easily and rapidly colonize habitats.

Question 6

What term did Mendel use to describe the inherited features that show variation among individuals?

Accepted Answer

Characters

Question 7

Females can only have hemophilia if the

Accepted Answer

father is affected and the mother is at least a carrier.

Question 8

In humans, brown eyes are a dominant trait over blue eyes. If a brown-eyed heterozygous male marries a blue-eyed female, what is the probability of producing blue-eyed offspring?

Accepted Answer

50\%

Question 9

Identify what the following shape represents in a pedigree: (a filled square)

Accepted Answer

Affected male

Question 10

How do epigenetic modifications such as DNA methylation affect normal gene function?

Accepted Answer

It causes gene silencing

Question 11

Which of the following markers is used to detect specific DNA sequences in the 'Southern Blotting' technique?

Accepted Answer

DNA probes

Question 12

The technique to separate DNA fragments on basis of their size or density on a gel using electric current is referred to as:

Accepted Answer

Gel electrophoresis

Question 13

Which of the following is/are synthesized in a 5' to 3' direction during the process of DNA replication?

Accepted Answer

All of the above

Question 14

The molecular lesions that are formed by thymine or cytosine bases in DNA, caused by UV light, and repaired by nucleotide excision repair mechanisms are called ________.

Accepted Answer

pyrimidine dimers

Question 15

According to the result of the Hershey and Chase experiment, which of the following materials from bacteriophage entered and infected the bacteria?

Accepted Answer

the nucleic acid

Question 16

Genetically modified foods (GM foods) are agricultural organisms whose DNA has been altered via the application of genetic engineering techniques. All of the following are advantages of GM foods, EXCEPT:

Accepted Answer

They may have 'unexpected effects' and health risks.

Question 17

The role of telomerase RNA in telomere replenishing is to act as:

Accepted Answer

Template

Question 18

A gene contains nucleotide sequences called introns and exons. Introns are the ____ part of the gene while exons are the ____ segments.

Accepted Answer

non-coding; coding

Question 19

Which of the following is not a type of posttranslational modification of proteins?

Accepted Answer

RNA splicing

Question 20

At which site of mRNA is the ribosome recruited to initiate the translation process?

Accepted Answer

Start codon

General Biology: Cell Division, Genetics, and Molecular Biology Study Guide

Guida di studio - Domande di pratica

Study guide - Flashcard