Zoe Pearson
Genetics Questions and Answers
Abbreviations used
p+a: plant and animal
/: or
Cr: chromosomes
, Zoe Pearson
GENETICS:DNA+RNA
What is the function of nuclear pores?
Form a passage for substances between the nucleus and cytoplasm of the cell
Name 2 functions of the nucleus
1. The chromosomes in the nucleus store the genetic material of the cell.
2. It regulates the structure+activities of the cell
Why did Watson and Crick receive the noble prize?
For their discovery of the double helix structure of DNA
Why should Franklin have shared it?
She did the research and took the photographs that led to the ultimate formulation of the
structure. Her research formed part of their award-winning research work
What is the name of the bond between purines and pyramidines?
Hydrogen bonds: weak bonds easily broken by enzyme action
Reason why DNA will contain the same amount of A and T?
In a DNA molecule thymine always pairs with Adenine as they are complementary bases
What is the role of DNA with reference to genes?
-DNA carries the genetic code in the form of genes for the synthesis of proteins
-a gene is a short segment of DNA with a specific sequence of nitrogenous bases
-this sequence of nitrogenous bases determines the sequence and type of amino acid that
will combine to form the particular protein
-DNA can replicate to ensure genetic code is accurately transferred from one generation to
another
: What is the role of DNA with reference to non-coding DNA?
-plays an important role in regulation and control of expression of genes in coding DNA
.Also it determines when and where the genes are switched ‘on’ and ‘off’
-also protects genes from mutations and controls process of copying genes drg transcription
(protein synthesis)
How does the DNA ladder like structure stay parallel?
A larger purine base(A or G) always binds with a smaller pyrimidine base(T or C) thus the
distance between the ‘sides’ of the helix always stays the same
Which group of organic compounds does RNA belong to?
Carbohydrates
What is the structure of mRNA?
-it consists of a single strand with an unlimited number of nucleotides and nitrogenous bases
in any order. Each group of 3 nitrogenous bases is known as a codon
Genetics Questions and Answers
Abbreviations used
p+a: plant and animal
/: or
Cr: chromosomes
, Zoe Pearson
GENETICS:DNA+RNA
What is the function of nuclear pores?
Form a passage for substances between the nucleus and cytoplasm of the cell
Name 2 functions of the nucleus
1. The chromosomes in the nucleus store the genetic material of the cell.
2. It regulates the structure+activities of the cell
Why did Watson and Crick receive the noble prize?
For their discovery of the double helix structure of DNA
Why should Franklin have shared it?
She did the research and took the photographs that led to the ultimate formulation of the
structure. Her research formed part of their award-winning research work
What is the name of the bond between purines and pyramidines?
Hydrogen bonds: weak bonds easily broken by enzyme action
Reason why DNA will contain the same amount of A and T?
In a DNA molecule thymine always pairs with Adenine as they are complementary bases
What is the role of DNA with reference to genes?
-DNA carries the genetic code in the form of genes for the synthesis of proteins
-a gene is a short segment of DNA with a specific sequence of nitrogenous bases
-this sequence of nitrogenous bases determines the sequence and type of amino acid that
will combine to form the particular protein
-DNA can replicate to ensure genetic code is accurately transferred from one generation to
another
: What is the role of DNA with reference to non-coding DNA?
-plays an important role in regulation and control of expression of genes in coding DNA
.Also it determines when and where the genes are switched ‘on’ and ‘off’
-also protects genes from mutations and controls process of copying genes drg transcription
(protein synthesis)
How does the DNA ladder like structure stay parallel?
A larger purine base(A or G) always binds with a smaller pyrimidine base(T or C) thus the
distance between the ‘sides’ of the helix always stays the same
Which group of organic compounds does RNA belong to?
Carbohydrates
What is the structure of mRNA?
-it consists of a single strand with an unlimited number of nucleotides and nitrogenous bases
in any order. Each group of 3 nitrogenous bases is known as a codon
