Podcast
Questions and Answers
Which of the following nitrogenous bases pairs with Guanine?
Which of the following nitrogenous bases pairs with Guanine?
- Cytosine (correct)
- Adenine
- Uracil
- Thymine
Mutation refers to a change in the genetic code of an organism.
Mutation refers to a change in the genetic code of an organism.
True (A)
What is the basic unit of heredity that codes for traits?
What is the basic unit of heredity that codes for traits?
Gene
A process that modifies the genes of a living thing is called _________.
A process that modifies the genes of a living thing is called _________.
Match the following terms with their definitions:
Match the following terms with their definitions:
Which of the following terms refers to the process of modifying the genetic makeup of an organism?
Which of the following terms refers to the process of modifying the genetic makeup of an organism?
Adenine pairs with Cytosine in DNA and RNA.
Adenine pairs with Cytosine in DNA and RNA.
What is the term for the building blocks of proteins?
What is the term for the building blocks of proteins?
Match the nitrogenous bases with their pairs:
Match the nitrogenous bases with their pairs:
Which term describes the process of selecting parents with specific characteristics to breed together?
Which term describes the process of selecting parents with specific characteristics to breed together?
Adenine pairs with Cytosine in DNA.
Adenine pairs with Cytosine in DNA.
What is the term for the double-stranded structure of DNA?
What is the term for the double-stranded structure of DNA?
________ is a change or mistake in an organism's DNA.
________ is a change or mistake in an organism's DNA.
Match the following terms with their definitions:
Match the following terms with their definitions:
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Study Notes
Organism Traits (7)
- Adenine is a purine nitrogenous base that pairs with Thymine in DNA and RNA.
- Amino acids are the building blocks of proteins.
- Chromosomes are thread-like strands containing hundreds or thousands of genes.
- Cytosine is a pyrimidine nitrogenous base that pairs with Guanine in DNA and RNA.
- Double helix describes the physical structure of DNA.
- Genes are the basic units of heredity that code for traits.
- Guanine is a purine nitrogenous base that pairs with Cytosine in DNA and RNA.
- Mutation is a mistake or change in a living thing's DNA.
- Proteins are important nutrients made of amino acids.
- Thymine is a pyrimidine nitrogenous base that pairs with Adenine in DNA and RNA.
- Agriculture is another word for farming.
- Gene splicing is a post-transcriptional modification where a single gene can code for multiple proteins.
- Genetic engineering involves modifying or changing the genes of a living organism.
- Gene modification is the process of altering an organism's genetic makeup.
- Inheritance is the transmission of genes from parents to offspring.
- Selective breeding involves choosing parents with desirable characteristics to breed together and produce offspring with those characteristics.
- Sexual reproduction involves the combination of genetic information from two individuals of different sexes to create new organisms.
Organism Traits
- Adenine is a nitrogenous base found in DNA and RNA, pairing with Thymine.
- Amino acid is a building block of proteins.
- Chromosome is a thread-like strand that contains genes.
- Cytosine is a nitrogenous base in DNA and RNA, pairing with Guanine.
- Double helix is the physical structure of DNA.
- Gene is the basic unit of heredity responsible for traits.
- Guanine is a nitrogenous base in DNA and RNA, pairing with Cytosine.
- Mutation is a change in a living thing's DNA.
- Protein is an essential nutrient made of amino acids.
- Thymine is a nitrogenous base in DNA and RNA, pairing with Adenine.
- Agriculture is another word for farming.
- Gene splicing allows a single gene to code for multiple proteins through post-transcriptional modification.
- Genetic engineering manipulates an organism's genes through modification.
- Gene modification alters the genetic makeup of an organism.
- Inheritance is transferring genes from parents to offspring.
- Selective breeding intentionally chooses parents with desirable traits to produce offspring with those characteristics.
- Sexual reproduction combines genetic information from two individuals of different sexes to create a new organism.
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