Lab #20 Genes in a Bottle ***Lab Kit Flashcards
DNA stand for ___________
Deoxyribonucleic acid
Octoploid
Membrane
DNA
Less
Alcohol
Deoxyribonucleic acid
Strawberry cells are ______________, while human cells are diploid.
Deoxyribonucleic acid
Octoploid
Membrane
DNA
Less
Alcohol
Octoploid
The detergent molecules break apart and separate the cell __________________
Deoxyribonucleic acid
Octoploid
Membrane
DNA
Less
Alcohol
Membrane
The salt in the solution helps _______________ to bind and clump together
Deoxyribonucleic acid
Octoploid
Membrane
DNA
Less
Alcohol
DNA
Alcohol is ____________ dense than the strawberry solution, which means that it will form a layer on top.
Deoxyribonucleic acid
Octoploid
Membrane
DNA
Less
Alcohol
Less
DNA precipitates out of the strawberry layer into the ____________ layer and then can be removed.
Deoxyribonucleic acid
Octoploid
Membrane
DNA
Less
Alcohol
Alcohol
During a DNA extraction, which of the following is added in order to break down the cellular and nuclear membranes that are made of lipids?
Salt
Alcohol
Lysis buffer
All of these
Lysis buffer
During a DNA extraction, which of the following is added in order to precipitate the DNA strands out of the solution?
Salt
Lysis butter
Cold alcohol
All of these
Cold alcohol
What is the human genome?
All the DNA found on the planet
All of the different versions of human cells
All of the DNA of the human species
All of the above
All of the DNA of the human species
The human genome has over ______________ protein-encoding genes located among _____________ DNA base pairs organized in __________ pairs of chromosomes.
20,000; 3.3 billon; 23
3.3 billion; 23; 20,000
23; 20,000; 3.3 billion
20,000; 23; 3.3 billion
20,000; 3.3 billion; 23
Genes are sequences of DNA that contain the instructions for making complex molecules called ____________
Organisms
Cells
Proteins
Populations
Proteins
Which of the following genetic structure are arranged from smallest to largest?
Chromosomes, DNA, genes, cells, organisms, population
DNA, genes, cells, chromosomes, organisms, population
Genes, DNA, chromosomes, cells, organisms, population
DNA, genes, chromosomes, cells, organisms, population
DNA, genes, chromosomes, cells, organisms, population
DNA is organized into chromosomes which are found in the _____________ of a cell.
Nucleus
Population
Gene
Molecule
Nucleus
Scientists isolate DNA for a variety of reasons, some of which include
Genetic testing
Body identification
Analysis of forensic evidence
All of these are correct
None of these are correct
All of these are correct
About two meters of DNA is found within each __________________, which is found in almost every _ ____________ in the body.
Cell; protein
Protein; cell
Nucleus; cell
Cell; nucleus
Nucleus; cell
In a DNA extraction, the lysis solution is added to the sample of collected cells in order to
Burst open the cell membrane and nuclear envelope
Cut apart histone proteins to free DNA
Both of these are correct
Neither of these is correct
Both of these are correct
In a DNA extraction, a concentrated salt solution is added in order to
Cause proteins and other cellular debris to clump together
Burst open the cell membrane and nuclear envelope
Cut apart histone proteins to free DNA
None of these are correct.
Cause proteins and other cellular debris to clump together
In a DNA extraction, the microcentrifuge tube will the sample spun in order to
Sink DNA to the bottom of the tube
Sink proteins and debris to the bottom of the tube
Distribute protein and debris in the liquid
All of these are correct
Sink proteins and debris to the bottom of the tube
In a DNA extraction, isopropyl alcohol is added to the sample in order to
Break down histone proteins
Collect cheek cells
Burst cells open to release DNA
Isolate concentrated DNA
Isolate concentrated DNA
