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Unit 4 Practice Questions

Total questions: 48

Worksheet time: 38mins

Name
Class
Date
1.

Ke'Asia and Tyler are studying biology together and learn about molecules that store genetic information. They come across a molecule described as a nucleic acid. Which of the following could it be?

a)

DNA

b)

RNA

c)

Both DNA and RNA

2.

Tavarius and Ariyanna are studying how genetic information is used in cells. They learn that in eukaryotic cells, something travels out of the nucleus to a Ribosome. What is it?

a)

RNA

b)

DNA

c)

Both DNA and RNA

3.

Jalen and Carma are studying genetic material in their biology class. They discover a sample that contains the nitrogen base, thymine.

a)

RNA

b)

Both DNA and RNA

c)

DNA

4.

Bre'onika and Kendahl are studying genetic material in their biology class. They learn that one type of molecule contains the nitrogen base Uracil. Which molecule are they learning about?

a)

DNA

b)

RNA

c)

Both DNA and RNA

5.

Ke'Asia and Ali are studying DNA base pairing for their biology exam. They learn that one of the bases forms a double bond with Thymine. Which base is it?

a)

Adenine

b)

Cytosine

c)

Guanine

d)

Uracil

6.

Brayden and Jalen are studying for their biology exam and come across a question about RNA. Which of the following statements is true about RNA?

a)

RNA is double-stranded.

b)

RNA contains the sugar deoxyribose.

c)

RNA contains the base Thymine.

d)

RNA is single-stranded.

7.

During a forensic investigation, Tavarius and Jayla need to ensure that the DNA samples they analyze are accurately replicated in the lab. Explain how complementary base pairing plays a role in making sure each new DNA molecule is an exact copy of the original.

a)

It ensures that each new DNA molecule is an exact copy of the original.

b)

It allows DNA to form a double helix structure.

c)

It helps in the formation of RNA from DNA.

d)

It prevents mutations during DNA replication.

8.

Zonnique and Tyler are preparing for their biology exam and want to understand the difference between DNA and RNA in terms of their structure. Which of the following statements correctly describes this difference?

a)

DNA is single-stranded, while RNA is double-stranded.

b)

DNA contains the sugar ribose, while RNA contains deoxyribose.

c)

DNA contains Thymine, while RNA contains Uracil.

d)

DNA is found in the cytoplasm, while RNA is found in the nucleus.

9.

Ken'Ziyah is working in a genetics lab and is analyzing a DNA sample. She finds the following sequence: 5'-ATCGGCTA-3'. Predict the complementary DNA strand that Ken'Ziyah should expect to find.

a)

5'-TAGCCGAT-3'

b)

3'-TAGCCGAT-5'

c)

5'-UAGCCGAU-3'

d)

3'-UAGCCGAU-5'

10.

Jalen and Carma are studying genetics in their biology class. They are given the following strand of DNA: 
AATCATGGA
They need to replicate this strand. Which of the following sequences should they write as the complementary DNA strand?

a)

AATCATGGA

b)

TTAGTACCT

c)

UUAGUACCU

d)

GGATAUCUA

11.

Jalen and Ariyanna are studying a diagram of DNA in their biology class. They notice that the nitrogenous bases are connected to each other. Ariyanna wonders, "Nitrogenous bases are joined by which type of bond?"

a)

polar bonds

b)

ionic bonds

c)

covalent bonds

d)

hydrogen bonds

12.

Jayla and Colby are studying genetics in their biology class. They are given the following DNA sequence: ATCGAG
What is the correct complimentary strand that they should write down?

a)

TACGAG

b)

ATCGAG

c)

TAGCTG

d)

TAGCTC

13.

Ra'Keevian and Jayla are studying for their biology exam together. They come across a question in their textbook: What are the 4 nitrogen bases found in DNA?

a)

adenine, thymine, cytoplasm, and guanine

b)

adenine, thymine cytosine, and guanine

c)

adenine, thymine, cytosine, and gylcerol

d)

adenine, thymine, cytosine, and glucose

14.

Brayden and Zonnique are learning about genetics in their science class. Zonnique asks the teacher, "What is DNA made up of?" What should the teacher answer?

a)

nucleotides

b)

cytoplasm

c)

RNA

d)

cells

15.

Ra'Keevian and Ke'Asia are studying RNA in their biology class. They notice that Uracil always pairs with ______. 

a)

cytosine

b)

adenine

c)

guanine

d)

thymine

16.

Jayden and Ke'Asia are working together in biology class to understand how cells make proteins. They learn that the process to go from DNA to mRNA is _______.

a)

translation

b)

transcription

c)

replication

17.

Ja'Bryce and Kemarian are learning about how cells make proteins in their biology class. They discover that the process of going from mRNA to a protein is called ____.

a)

transcription

b)

rRNA

c)

replication

d)

translation

18.

Java and Ariyanna are working on a science project about how cells make proteins. They learn that one molecule has the job of bringing amino acids from the cytoplasm to the ribosomes. What is the main function of tRNA?

a)

carry a message that, when translated, forms proteins

b)

form a portion of ribosomes

c)

string together complementary RNA and DNA strands

d)

bring amino acids from the cytoplasm to the ribosomes

19.

Zonnique and Jayden are studying genetics together. They come across the codon UUA in a DNA sequence and want to know which amino acid this codon codes for. What amino acid is represented by the codon UUA?

a)

Phenylalanine

b)

Tyrosine

c)

Leucine

d)

Stop codon

20.

Ke'Asia and Colby are learning about genetics in their biology class. They wonder which part of DNA is responsible for determining the traits of living things. Which component of DNA determines the traits of an organism? 

a)

Nitrogen Bases

b)

Sugar-Phosphate Backbone

c)

Hydrogen bonds

21.

Ken'Ziyah and Ariyanna are working together in their biology class to understand how cells make proteins. They want to know: In which part of the cell does translation take place?

a)

nucleus

b)

mitochondria

c)

ribosome

d)

chloroplast

22.

In a biology class, Tyler and Ali are studying how genetic information is translated into proteins. They learn that a specific three-base sequence of mRNA codes for a single amino acid. What is this sequence called?

a)

Anticodon

b)

Codon

c)

Protein

23.

Jamecia and Kendahl are working in a genetics lab and are analyzing a DNA template sequence:
TGGCAAGTACGT. Which is the mRNA molecule that would be transcribed from this DNA template?

a)

ACCGTTCATGCA

b)

UGGCAAGUACGU

c)

UCCGUUCUUGCU

d)

ACCGUUCAUGCA

24.

Brayden is baking a cake and needs to follow the recipe exactly. Does the order in which he adds the ingredients matter, just like the order of amino acids in a protein?

a)

YES!

b)

NO!

25.

Ali and Zonnique are studying genetics in their biology class. They come across the following sequence of nucleotides in a DNA strand:
ATG GGA ACT CCA
How many amino acids are coded for by this sequence?

a)

4

b)

2

c)

6

d)

12

26.

Carma and Ken'Ziyah are studying genetics together and come across a DNA sequence in their textbook:
GAT-TAC-AGA-TTA-CAT. They want to know what the resulting mRNA sequence will be after transcription. What will it be?

a)

CTA-ATG-TCT-AAT-GTA

b)

GAU-UAG-UGA-UUA-GUT

c)

CUA-AUG-UCU-AAU-GUA

d)

CAT-ACA-TAC-ATA-TAG

27.

Ali and Kendahl are working together in their biology class to understand how proteins are made. As they discuss the process, they learn that when the RNA gets to the ribosomes, a specific molecule transfers to the mRNA to help build amino acids. Which molecule is responsible for this transfer?

a)

DNA

b)

mRNA

c)

tRNA

d)

Replicated RNA

28.

Juan and Jayla are studying protein synthesis in their biology class. They are given an mRNA strand:

5' AUG CAG UCU GCA CUG AGC 3'

What is the correct amino acid sequence that they should write down for this mRNA strand?

a)

Met-His-Ser-Ala-Leu-Ser

b)

Met-Arg-Ser-Ala-Leu-Ser

c)

Met-His-Ser-Leu-Ala-Ser

d)

Met-Gln-Ser-Ala-Leu-Ser

29.

Zonnique and Bre'onika are studying protein synthesis in their biology class. They are given the following DNA template strand to analyze:

3' CCG TCT AAG GTG ACC CTT 5'

Which of the following sequences represents the correct order of amino acids that would be produced from this DNA template?

a)

Valine - Threonine - Lysine - Serine - Proline - Glutamic Acid

b)

Glycine - Valine - Lysine - Serine - Proline - Alanine

c)

Proline - Serine - Lysine - Threonine - Valine - Stop

d)

Glycine - Arginine - Phenylalanine - Histidine - Tryptophan - Glutamic Acid

30.

During a biology class, Tyler and Aniyah are learning about how proteins are made in cells. Their teacher explains that there is a molecule responsible for carrying amino acids to the ribosome during protein synthesis. What is the job of tRNA?

a)

Carry amino acids to the ribosome during protein synthesis

b)

Facilitate cell division

c)

Store genetic information

d)

Transcribe DNA into RNA

31.

Put the steps of central dogma and protein synthesis in the correct order

a)

DNA

b)

Transcription

-->

c)

RNA

d)

Translation

-->

e)

Protein

1)
2)
3)
4)
5)
32.

Jayden and Zonnique are working together in biology class to understand how cells make proteins. They learn that mRNA is read into amino acids during which process?

a)

transcription

b)

transfer

c)

translation

d)

transition

33.

Brayden and Jayla are studying for their biology exam together. They come across a question about protein synthesis and need to identify which codon can code for Serine. Can you help them choose the correct option?

a)

U G G 

b)

A G U

c)

C A A

d)

A U G

34.

Jayden and Ariyanna are studying genetics together and come across a DNA segment:
G G T. They want to know which amino acid will be coded from this segment. Can you help them identify the correct amino acid?

a)

Glutamine

b)

Arginine

c)

Glycine

d)

Proline

35.

Jayla and Tyler are working together in their biology class to understand how DNA codes for proteins. They come across a DNA segment:
G G T. They want to find out which amino acid will be produced from this segment during protein synthesis. Which amino acid is coded from the DNA segment:
G G T?

a)

Glutamine

b)

Arginine

c)

Glycine

d)

Proline

36.

Juan and Ariyanna are studying molecules in their biology class. They learn that one type contains the bases adenine, uracil, cytosine and guanine. Which molecule are they learning about?

a)

DNA

b)

RNA

c)

Both

37.

Ke'Asia and Samarein are studying genetics in their biology class. They are given a DNA strand: CTG AAT. What would be the RNA sequence after transcription?

a)

GAC TTA

b)

CTG AAT

c)

GAC UUA

d)

CUG AAU

38.

While Colby and Jayden are studying for their biology exam together, they come across a topic about Amino Acids. Colby asks, "Amino Acids are built up to make_______"

a)

DNA

b)

mRNA

c)

Lipids

d)

Proteins

39.

Jamecia and Colby are working together on a biology assignment and need to use their codon chart to match the mRNA sequence CUU to the correct amino acid. Can you help them choose the right answer?

a)

VAL

b)

TYR

c)

LEU

d)

PHE

40.

Samarein and Carma are working together on a biology project about how genetic information is converted into RNA in human cells. They want to know: What is the location in the cell for transcription?

a)

nucleus

b)

cytoplasm

c)

ribosome

d)

mitochondria

41.

Jalen and Aniyah are studying how cells make proteins in their biology class. They learn about a process where mRNA is decoded to form a protein. What is this process called?

a)

mRNA is created in the Nucleus

b)

mRNA is decoded to form a protein 

c)

glucose molecules are made

d)

is where lipids are synthesised

42.

Zonnique and Ra'Keevian are studying biology together and come across the following diagram in their textbook. They wonder what process is being illustrated in this photo. 

a)

Transcription 

b)

Translation 

c)

Replication 

d)

All the above 

43.

Ali and Zonnique are studying genetics together and come across a DNA sequence in their textbook:
ATG GGA ACT CCA. They want to know how many amino acids are coded for by this sequence of nucleotides. How many amino acids are coded for by this sequence?
ATG GGA ACT CCA

a)

4

b)

2

c)

6

d)

12

44.

Jamecia and Tyler are preparing for their biology exam together. While revising the chapter on RNA, they want to make sure they remember the different types of RNA for their test. Which of the following are types of RNA they should remember?

a)

transfer RNA

b)

ribosomal RNA

c)

messenger RNA

d)

All of the above

45.

Imagine Colby is assembling a chain of beads, where each bead represents an amino acid added to a growing protein. When does Colby stop adding beads to the chain?

a)

when the mRNA sends a signal to stop

b)

when a stop codon is reached

c)

When the tRNA signals for it to stop

46.

Jalen and Aniyah are learning about nutrition in their biology class. They wonder, proteins in the food they eat are made of which molecule?

a)

Amino Acids

b)

Lipids

c)

Carbohydrates

47.

Zonnique and Juan are studying cell biology together. They come across a statement that says DNA never leaves the nucleus. Is this statement true or false?

a)

True

b)

False

48.

Tyler and Kendahl are studying how cells make proteins. They look at the diagram and wonder: What is process #1 and where is it located?

a)

transcription, nucleus

b)

translation, nucleus

c)

transcription, ribosomes

d)

translation, ribosomes