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biology 100 intro/human biology > Lab #20 Genes in a Bottle ***Lab Kit > Flashcards

Lab #20 Genes in a Bottle ***Lab Kit Flashcards

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AP® Biology flashcards
1
Q

DNA stand for ___________

Deoxyribonucleic acid

Octoploid

Membrane

DNA

Less

Alcohol

A

Deoxyribonucleic acid

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2
Q

Strawberry cells are ______________, while human cells are diploid.

Deoxyribonucleic acid

Octoploid

Membrane

DNA

Less

Alcohol

A

Octoploid

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3
Q

The detergent molecules break apart and separate the cell __________________

Deoxyribonucleic acid

Octoploid

Membrane

DNA

Less

Alcohol

A

Membrane

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4
Q

The salt in the solution helps _______________ to bind and clump together

Deoxyribonucleic acid

Octoploid

Membrane

DNA

Less

Alcohol

A

DNA

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5
Q

Alcohol is ____________ dense than the strawberry solution, which means that it will form a layer on top.

Deoxyribonucleic acid

Octoploid

Membrane

DNA

Less

Alcohol

A

Less

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6
Q

DNA precipitates out of the strawberry layer into the ____________ layer and then can be removed.

Deoxyribonucleic acid

Octoploid

Membrane

DNA

Less

Alcohol

A

Alcohol

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7
Q

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

A

Lysis buffer

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8
Q

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

A

Cold alcohol

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9
Q

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

A

All of the DNA of the human species

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10
Q

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

A

20,000; 3.3 billion; 23

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11
Q

Genes are sequences of DNA that contain the instructions for making complex molecules called ____________

Organisms

Cells

Proteins

Populations

A

Proteins

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12
Q

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

A

DNA, genes, chromosomes, cells, organisms, population

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13
Q

DNA is organized into chromosomes which are found in the _____________ of a cell.

Nucleus

Population

Gene

Molecule

A

Nucleus

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14
Q

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

A

All of these are correct

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15
Q

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

A

Nucleus; cell

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16
Q

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

A

Both of these are correct

17
Q

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.

A

Cause proteins and other cellular debris to clump together

18
Q

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

A

Sink proteins and debris to the bottom of the tube

19
Q

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

A

Isolate concentrated DNA

biology 100 intro/human biology (23 decks)

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