20 Questions
What is the function of the plasma membrane in a cell?
Regulation of what enters and leaves the cell
Which component of a typical cell is responsible for the synthesis of daughter DNA molecules during cell replication?
Nucleus
What is the term for a sequence of nucleotides in DNA that encodes the synthesis of a gene product?
Gene
During which process is mRNA created from a sequence of one DNA strand?
Protein synthesis
Which macromolecule is formed from units of nucleotides or bases?
Nucleic acid
What do alleles represent in terms of genes?
Different forms of the same gene with small differences in their DNA sequence
Which type of variation is the most common?
Single-nucleotide polymorphism (SNP)
What is the function of introns in a gene?
Part of the gene but do not code for a protein product
At what level does post-transcriptional control of gene expression occur?
RNA level
What is the function of nutrigenetics?
Detecting gene variants within an individual
What is the end result of the DNA replication process?
Two new DNA chains join with the two chains from the parent molecule to produce two new DNA molecules
What is the main function of peroxisomes in a cell?
Break down fatty acids and produce hydrogen peroxide
During protein synthesis, where does mRNA originate from?
A sequence of one DNA strand in the nucleus
Which component of a eukaryotic cell has a defined nucleus and evolved from prokaryotic cells?
Eukaryotic cells
What are the macromolecules formed from units of nucleotides or bases in both DNA and RNA?
Adenine, guanine, cytosine
Which of the following is NOT a potential mechanism for apoptosis?
Cell division
What process involves the removal of introns that do not code for a protein?
RNA splicing
Which of the following hormones can alter the transcription of DNA by binding with receptors in the nucleus?
Epinephrine
What is the function of a single-nucleotide polymorphism (SNP) in terms of genetic variation?
It contributes to unique physical features
In which stage of gene expression does post-translational processing of mRNA occur?
Translation
Review the basic living, structural, and functional units of the body, focusing on eukaryotic cells, their components, and the necessity of specialization. Explore the components of typical cells and the role of nucleus, nucleic acids, and macromolecules.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
