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Question 1

What is one of the jobs of RNA Polymerase?

a
It forms bonds between amino acids during translation.
b
It separates DNA strands.
c
It builds and edits the mRNA during transcription
d
It adds new nucleotides to the DNA helix.
Question 2
The diagram shows a process that is occurring in the nucleus of a eukaryotic cell.

What would MOST LIKELY happen if the process in the nucleus is interrupted?



a
Protein synthesis would be increased.
b
Amino acids would bind together.
c
DNA would not be able to be produced.
d
DNA would not be decoded into an RNA molecule.
Question 3
Which flow chart correctly describes steps that lead to the synthesis of proteins?

a
tRNA → mRNA → DNA
b
DNA → mRNA → tRNA
c
mRNA → tRNA → DNA
d
mRNA → tRNA → DNA
Question 4
Which sugar is found in RNA?

a
ribose
b
lactose
c
deoxyribose
d
glucose
Question 5
AUG GGC UCA

Is this a strand of DNA or RNA, and how can you tell?

Uracil | SIELC

a
RNA because it has the nitrogen base, Uracil.
b
DNA because it has the sugar, Ribose
c
DNA because it has the nitrogen base, Adenine
d
RNA because it has inorganic phosphate groups
Question 6
Where is DNA found in the eukaryotic cell?

Dna GIFs - Get the best GIF on GIPHY

a
cell wall
b
cytoplasm
c
nucleus
d
vacuole
Question 7
Why is mRNA called "messenger" RNA?



a
It acts as a virus, carrying the message of cellular control.
b
It carries codes for proteins from DNA into the cytoplasm to be used in protein synthesis.
c
It looks like letters with a "message" under the microscope.
d
It carries codes for proteins from the cytoplasm to the DNA for DNA synthesis.
Question 8
Restriction enzymes cuts DNA at a specific sequence of nucleotides. Why would these biotechnology tools be useful in creating a genetically modified organism?

images_4_5e5033d777c7e.jpg

a
They allow the desired gene to be placed in a specific location.
b
They directly add all needed chromosomes to the organism's genome.
c
They cause massive mutations, leading to many changes in the host organism.
d
They create promoter regions for accelerated transcription.
Question 9
If the DNA sequence is TAC TTG ACC, what would be the resulting amino acid sequence after transcription and translation?

(Hint: Think of the first step of protein synthesis? Do this first and then find the amino acid sequence.)

a
Gly-Ala-Val
b
Met-Asn-Trp
c
Tyr-Leu-Thre
d
Isol-Lys-STOP
Question 10

In a molecule of double-stranded DNA, the amount of Cytosine present is always equal to the amount of ______.

a
Thymine
b
Cytosine
c
Guanine
d
Uracil
Question 11
Use the chart below to answer the following question.

Image

In the chart, which amino acid is specified by the mRNA code CCC?

a
alanine
b
lysine
c
glycine
d
proline
Question 12
Put the following processes of protein synthesis in the correct order.

Reorder answers
1.a stop codon is reached, the newly formed protein is released to go do its job for the cell
Reorder answers
2.tRNA's anticodons bring amino acids to the corresponding mRNA codons
Reorder answers
3.DNA strands unwind and separate
Reorder answers
4.mRNA leaves the nucleus
Reorder answers
5.mRNA copies DNA according to complimentary base pairing.
Reorder answers
6.amino acids bind to each other making a protein
Question 13

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of ______.

a
Uracil
b
Cytosine
c
Guanine
d
Thymine
Question 14
Which of the following enzymes is essential for the process of transcription?

a
Protein polymerase
b
Lactase
c
RNA polymerase
d
DNA polymerase
Question 15
Under what condition will diffusion take place most rapidly?

a
movement from an area of high concentration to an area of low concentration
b
movement against a concentration gradient
c
movement from an area of low concentration to high concentration
d
movement through a permanent barrier
Question 16
Bioethics is the study of ethical, social, and legal issues that arise in biomedicine and biomedical research.
Which of the following examples involves bioethics?

a
Passing a law to allow more crops to be grown per acre in a given area.
b
Passing a law to increase fines for people texting while driving.
c
Passing a law to allow doctors to euthanize humans who are terminally ill.
d
Passing a law to decrease speed limits in an area of frequent accidents.
Question 17
A giraffe has 36 chromosomes in its body cells. A giraffe skin cell undergoes mitosis, how many chromosomes would you expect to see in the resulting daughter cells?

a
Impossible to determine without a microscope
b
18
c
36
d
72
Question 18
Match the correct process of the cell cycle to its named phase.

Column A
1.
The cell separates into two new cells.:
The cell separates into two new cells.
2.
Sister chromatids separate at centromere.:
Sister chromatids separate at centromere.
3.
DNA is replicated.:
DNA is replicated.
4.
Chromosomes align in the middle of the cell.:
Chromosomes align in the middle of the cell.
Column B
a.anaphase
b.cytokinesis
c.interphase
d.metaphase
Question 19
Review the image, which letter represents the product?

a
A
b
B
c
C
d
D
Question 20
How do ribosomes and the Golgi apparatus interact to maintain homeostasis?

a
Ribosomes synthesize proteins that are sorted and packaged by the Golgi apparatus.
b
Ribosomes store liquids and other waste products that are created by the Golgi apparatus.
c
Ribosomes store molecules that are converted into usable energy by the Golgi apparatus.
d
Ribosomes transport proteins and enzymes that are synthesized by the Golgi apparatus.
Question 21
Farmers across many centuries have used selective breeding (artificial selection) to enhance certain qualities in their crops. Which of the following qualities would most likely be selected for in breeding and best crop yields?

Types Of Crops: Which One To Opt For Optimum Farming Productivity

a
bioluminescence for attraction to fireflies
b
resistance to harmful pests
c
decreased nutrient composition
d
decreased harvest production
Question 22
Using chromosomal analysis, a biologist working on a prototype can count and examine an individual's chromosomes. This technique helps a biologist to

a
detect an unusually large amount of extra genetic material.
b
compare physical similarities between fraternal twins.
c
predict the number of possible variations of a gene.
d
identify the total number of gene defects in an individual.
Question 23
Select all of the results of biotechnology.

Combine multiple GIFs together

a
the use of gene therapy in humans and animals
b
changing an organisms coloration to adapt to the environment
c
the creation and improvement of vaccines
d
the natural selection of a species by natural changes in the environment
e
development of new plant species
f
the cloning of an identical species by the isolation of a cell's genes
Question 24
Herpes simplex and HIV are excellent examples of which of the following?

a
virus
b
antigens
c
immunity
d
bacteria
Question 25
How is sexual reproduction an advantage over asexual reproduction?

a
Mitosis results in identical DNA in two new cells.
b
The formation of gametes in meiosis allows for genetic variation.
c
The formation of gametes in mitosis allows for genetic variation.
d
Meiosis results in harmful mutations in four new cells.
Question 26
The diagram shows three types of mutations.

Which correctly identifies each type of mutation in the diagram?

a
A
b
B
c
C
d
D
Question 27
Arrange the mutations in order starting with #1 at the top of list and #5 at the bottom.

Order top to bottom: 1 -2 - 3 - 4 - 5



Reorder answers
1.deletion
Reorder answers
2.insertion
Reorder answers
3.duplication
Reorder answers
4.inversion
Reorder answers
5.translocation
Question 28
Photosynthesis and cellular respiration both involve the use and release of gases. Which statement correctly identifies the role of gases in the two processes?

a
Photosynthesis and cellular respiration both use carbon dioxide and release oxygen.
b
Photosynthesis and cellular respiration both use oxygen and release carbon dioxide.
c
Cellular respiration uses oxygen and releases carbon dioxide, while photosynthesis uses carbon dioxide and releases oxygen.
d
Cellular respiration uses carbon dioxide and releases oxygen, while photosynthesis uses oxygen and releases carbon dioxide.
Question 29
Put the following stages of transcription in order of first to last.

Reorder answers
1.elongation stage
Reorder answers
2.termination stage
Reorder answers
3.initiation stage
Question 30
Ultraviolet radiation causes mutations in the DNA of skin cells that have been exposed to the Sun. Will such mutations have any effect on future offspring?

a
no, because offspring are immune to changes in parental DNA
b
yes, because skin cells play an important role in reproduction
c
no, because the changes have no effect on the gametes of the parents
d
yes, because DNA is passed on from parent to offspring

1 answer

Here are the answers to your questions:

  1. What is one of the jobs of RNA Polymerase?

    • c It builds and edits the mRNA during transcription.

  2. What would MOST LIKELY happen if the process in the nucleus is interrupted?

    • d DNA would not be decoded into an RNA molecule.

  3. Which flow chart correctly describes steps that lead to the synthesis of proteins?

    • b DNA → mRNA → tRNA

  4. Which sugar is found in RNA?

    • a ribose

  5. Is this a strand of DNA or RNA, and how can you tell?

    • a RNA because it has the nitrogen base, Uracil.

  6. Where is DNA found in the eukaryotic cell?

    • c nucleus

  7. Why is mRNA called "messenger" RNA?

    • b It carries codes for proteins from DNA into the cytoplasm to be used in protein synthesis.

  8. Why would restriction enzymes be useful in creating a genetically modified organism?

    • a They allow the desired gene to be placed in a specific location.

  9. If the DNA sequence is TAC TTG ACC, what would be the resulting amino acid sequence after transcription and translation?

    • c Tyr-Leu-Thre

  10. In a molecule of double-stranded DNA, the amount of Cytosine present is always equal to the amount of ______.

    • c Guanine

  11. In the chart, which amino acid is specified by the mRNA code CCC?

    • d proline

  12. Put the following processes of protein synthesis in the correct order.

      1. DNA strands unwind and separate.
      1. mRNA copies DNA according to complimentary base pairing.
      1. mRNA leaves the nucleus.
      1. tRNA's anticodons bring amino acids to the corresponding mRNA codons.
      1. amino acids bind to each other making a protein.
      1. a stop codon is reached, the newly formed protein is released to go do its job for the cell.

  13. In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of ______.

    • d Thymine

  14. Which of the following enzymes is essential for the process of transcription?

    • c RNA polymerase

  15. Under what condition will diffusion take place most rapidly?

    • a movement from an area of high concentration to an area of low concentration

  16. Which of the following examples involves bioethics?

    • c Passing a law to allow doctors to euthanize humans who are terminally ill.

  17. A giraffe has 36 chromosomes in its body cells. A giraffe skin cell undergoes mitosis. How many chromosomes would you expect to see in the resulting daughter cells?

    • c 36

  18. Match the correct process of the cell cycle to its named phase.

      1. b. cytokinesis
      1. a. anaphase
      1. c. interphase
      1. d. metaphase

  19. Review the image, which letter represents the product?

    • (Answer not given, as specific images or contexts are not provided.)

  20. How do ribosomes and the Golgi apparatus interact to maintain homeostasis?

    • a Ribosomes synthesize proteins that are sorted and packaged by the Golgi apparatus.

  21. Which of the following qualities would most likely be selected for in breeding and best crop yields?

    • b resistance to harmful pests

  22. This technique helps a biologist to

    • a detect an unusually large amount of extra genetic material.

  23. Select all of the results of biotechnology.

    • a the use of gene therapy in humans and animals
    • c the creation and improvement of vaccines
    • e development of new plant species
    • f the cloning of an identical species by the isolation of a cell's genes

  24. Herpes simplex and HIV are excellent examples of which of the following?

    • a virus

  25. How is sexual reproduction an advantage over asexual reproduction?

    • b The formation of gametes in meiosis allows for genetic variation.

  26. Which correctly identifies each type of mutation in the diagram?

    • (Answer not given, as specific images or contexts are not provided.)

  27. Arrange the mutations in order starting with #1 at the top of the list and #5 at the bottom.

      1. deletion
      1. insertion
      1. duplication
      1. inversion
      1. translocation

  28. Which statement correctly identifies the role of gases in the two processes?

    • c Cellular respiration uses oxygen and releases carbon dioxide, while photosynthesis uses carbon dioxide and releases oxygen.

  29. Put the following stages of transcription in order of first to last.

      1. initiation stage
      1. elongation stage
      1. termination stage

  30. Will such mutations have any effect on future offspring?

    • c no, because the changes have no effect on the gametes of the parents

If you have any other questions or need further clarifications, feel free to ask!