•Question 1
3 out of 3 points
Metagenomics involves the study of the DNA of all organisms within an ecosystem.
Selected Answer:
True
•Question 2
3 out of 3 points
The tips of chromosomes are called telomeres.
Selected Answer:
True
•Question 3
3 out of 3 points
The human exome; a.is constructed of over 20,000 protein coding genes.
Selected Answer:
True
•Question 4
3 out of 3 points
The microbiome is;
Selected Answer:
The microbes which live on the human body
•Question 5
3 out of 3 points
Which of the following is true about somatic cells;
Selected Answer:
They are diploid
•Question 6
3 out of 3 points
The human somatic cell has 23 pairs of chromosomes.
Selected Answer:
True
•Question 7
3 out of 3 points
There is only one source of stem cells in the human body.
Selected Answer:
False
•Question 8
3 out of 3 points
A gene can be defined as a location of a DNA sequence which codes for a protein or part of a protein.
Selected Answer:
True
•Question 9
3 out of 3 points
The human DNA is constructed of;
Selected Answer:
3.2 billion base pairs
•Question 10
3 out of 3 points
Genes are often discussed as the genetic make-up of an individual but we can also talk about them in
populations. The genes in a population are collectively referred to as;
Selected Answer:
The gene pool
•Question 11
3 out of 3 points
Which of the following is true about phospholipids?
Selected Answer:
They contain fatty acids
•Question 12
3 out of 3 points
Syndactyly can be the result of decreased or faulty apoptosis.
Selected Answer:
True
•Question 13
3 out of 3 points
Cell cycle rate varies in different tissues at different times.
Selected Answer:
True
•Question 14
3 out of 3 points
Some companies are now offering to store regenerative blood stem cells for children once they are born.
These cells come from the;
Selected Answer:
Umbilical cord
•Question 15
3 out of 3 points
Polydactyly is a condition which leads to extra fingers and toes.
Selected Answer:
True
•Question 16
3 out of 3 points
When chromosomes are reproduced and separated into a new nucleus during cell division of somatic cells
this is called?
Selected Answer:
Mitosis
•Question 17
3 out of 3 points
There are now three domains of life based on three different cell types found in nature.
Selected Answer:
True
•Question 18
3 out of 3 points
Which of the following is the most accurate definition of the term “genome.”
Selected
Answer:
A genome is all the genes which are also known as protein coding DNA sequences and
the non coding DNA sequences.
•Question 19
3 out of 3 points
The Golgi apparatus is a cell organelle found in eukaryotes which is a site where sugars(carbohydrates)
are attached to proteins.
Selected Answer:
True
•Question 20
3 out of 3 points
Microfilaments are the only type of cytoskeleton fibers.
Selected Answer:
False
•Question 21
3 out of 3 points
Which of the following is true about the nucleolus?
Selected Answer:
Is found in eukaryotes
•Question 22
3 out of 3 points
The two long strands of identical chromosomal material in a replicated chromosome are called?
Selected Answer:
Chromatids
•Question 23
3 out of 3 points
There are more than 290 specialized cell types in the human body.
Selected Answer:
True
•Question 24
3 out of 3 points
Stem cells renew tissues but are all lost in childhood.
Selected Answer:
False
•Question 25
3 out of 3 points
The part of the genome which encodes for protein is called;