Science Lab: Unleashed! 1.1, 1.2, 1.3

Science Lab: Unleashed! 1.1, 1.2, 1.3

9th - 12th Grade

16 Qs

quiz-placeholder

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Science Lab: Unleashed! 1.1, 1.2, 1.3

Science Lab: Unleashed! 1.1, 1.2, 1.3

Assessment

Quiz

Science

9th - 12th Grade

Hard

Created by

Kimberly Carver

Used 4+ times

FREE Resource

16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The CFTR gene is responsible for regulating the flow of water across cell membranes that produce mucus, sweat, saliva, and tears. Mucus is the substance that moistens and protects the lining of airways in the lungs, the digestive system, and other tissues in the body.

An inherited condition is caused by a mutation in the CFTR gene. For people with this CFTR mutation, the cells that make mucus produce a very thick mucus, which builds up. The buildup of thick mucus in the lungs can lead to severe breathing problems, such as frequent coughing and respiratory infections. A buildup of thick mucus in the pancreas can also disrupt digestion.

The diagram shows a pedigree for a family that is affected by this inherited condition.

The CFTR mutation most often occurs when three nucleotides from the gene sequence are deleted. The DNA sequence without the mutation and the DNA sequence with the mutation are shown.

DNA sequence without mutation:TAG TAG AAA CCA CAA

DNA sequence with mutation:TAG TAA CCA CAA

Which of the following is the mRNA sequence for the DNA sequence without the mutation?

ATC ATC TTT GGT GTT

UAG UAG AAA CCA CAA

AUC AUC UUU GGU GUU

UUG UGG UUU CUA CUA

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The CFTR gene is responsible for regulating the flow of water across cell membranes that produce mucus, sweat, saliva, and tears. Mucus is the substance that moistens and protects the lining of airways in the lungs, the digestive system, and other tissues in the body.

An inherited condition is caused by a mutation in the CFTR gene. For people with this CFTR mutation, the cells that make mucus produce a very thick mucus, which builds up. The buildup of thick mucus in the lungs can lead to severe breathing problems, such as frequent coughing and respiratory infections. A buildup of thick mucus in the pancreas can also disrupt digestion.

he CFTR mutation most often occurs when three nucleotides from the gene sequence are deleted. The DNA sequence without the mutation and the DNA sequence with the mutation are shown.

DNA sequence without mutation:TAG TAG AAA CCA CAA

DNA sequence with mutation:TAG TAA CCA CAA

The table shows the amino acids coded for by mRNA codons. Based on the information, which amino acid is missing in the protein produced by the CFTR mutation?

Glu

Phe

Ser

Val

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

In a laboratory, cell parts were separated using a centrifuge. The table shows four samples of cell parts that were isolated.

After the cell parts were isolated, RNA and amino acids were added to each sample. After some time, the samples were tested for proteins.

Which sample most likely contained newly made proteins?

Sample A

Sample B

Sample C

Sample D

4.

FILL IN THE BLANK QUESTION

1 min • 1 pt

A student created a model of a DNA sequence and its mRNA transcript, as shown.

DNA 3'- ACG CGT ATC -5'

mRNA 5'- TGC GCA TAG -3'

Another student found a mistake in the model.

Fill in the blank to complete the sentence describing the correction that should be made to the model.

The _______ nucleotides in the mRNA transcript should be replaced with ______ nucleotides.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram represents a chain of amino acids. The different shapes represent different amino acids. 

A scientist wants to produce a single strand of DNA that codes for this amino acid chain. How many nucleotides will be in the DNA that the scientist produces?

5 nucleotides

6 nucleotides

12 nucleotides

18 nucleotides

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A scientist isolates a substance that is thought to be an enzyme. An experiment designed to answer which of the following questions would best determine whether the substance is an enzyme? 

Is the substance made of monosaccharides?

Can the substance easily move across a cell membrane?

Does the synthesis of the substance require the conversion of ATP to ADP?

Does the substance decrease the amount of time it takes for a reaction to take place?

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The CFTR gene is responsible for regulating the flow of water across cell membranes that produce mucus, sweat, saliva, and tears. Mucus is the substance that moistens and protects the lining of airways in the lungs, the digestive system, and other tissues in the body.

An inherited condition is caused by a mutation in the CFTR gene. For people with this CFTR mutation, the cells that make mucus produce a very thick mucus, which builds up. The buildup of thick mucus in the lungs can lead to severe breathing problems, such as frequent coughing and respiratory infections. A buildup of thick mucus in the pancreas can also disrupt digestion.

The diagram shows a pedigree for a family that is affected by this inherited condition.

People with the CFTR mutation often experience digestive problems, which can result in weight loss. Which of the following most likely occurs as a result of the digestive problems?

A large amount of sugar enters the bloodstream.

A large amount of oxygen is released to body cells.

Many nutrients are not absorbed into the bloodstream.

Salt is not absorbed quickly enough by the large intestine.

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