SCIN 130 Week 5 Quiz

SCIN 130 Week 5 Quiz | Assignment Help | APUS 

Week 5 Quiz

Question 1 of 31

 DNA is said to be in what shape?

  A. a double corkscrew

  B. a double helix

  C. a triple twist

  D. a triple helix

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 Question 2 of 31

 What is the central dogma of genetic information?

  A. RNA stores our genome for safety

  B. DNA produces proteins directly

  C. DNA encodes RNA, which in turn encodes protein

  D. proteins code for DNA and RNA

 Question 3 of 31

Which statement best describes prokaryotic chromosomes?

  A. Single-stranded, circular

  B. Double-stranded, circular

  C. Double-stranded, linear

  D. Single-stranded, linear

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 Question 4 of 31

 How long would the peptide be that is translated from the mRNA sequence: 5’-AUGAUCGAUCACUAA-3’?

  A. 2

  B. 4

  C. 5

  D. 1

  E. 3

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  Question 5 of 31

 How is it possible that multiple sites of DNA replication can exist inside the cell?

  A. genes are replicated quickly, so there are usually >4 of one gene at a time

  B. there are multiple origins of replication

  C. during cytokinesis, DNA is replicated at twice the rate

  D. there are not multiple sites of replication

Question 6 of 31

 How is it possible that each daughter cell during cell replication receives an identical copy of the DNA?

  A. DNA is not identical in every cell, so all daughter cells have different copies

  B. DNA is replicated individually in each new cell after meiosis and mitosis

  C. DNA is replicated following mitosis or meiosis, so is transferred after the new cells are formed

  D. DNA is replicated during the synthesis phase of the cell cycle, prior to mitosis or meiosis

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 Question 7 of 31

 A nucleotide includes all of the following parts EXCEPT?

  A. phosphate group

  B. nitrogenous base

  C. carbon dioxide

  D. deoxyribose

Question 8 of 31

 What are the three components needed for protein synthesis?

  A. mRNA, tRNA, ribosome

  B. mRNA, DNA, ribosome

  C. DNA, lysosome, exon

  D. DNA, nucleus, ribosome

 Question 9 of 31

 Which two parts of the nucleotide covalently bond to each other to form the backbone of DNA?

  A. sugar and nitrogen

  B. phosphate and nitrogen

  C. sugar and phosphate

  D. phosphate and oxygen

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Question 10 of 31

The introduction of a non-mutated gene at a random location to cure a disease by replacing a protein is called what?

  A. gene therapy

  B. reverse genetics

  C. recombinant DNA

  D. transgenic organism

 Question 11 of 31

 What is a basic definition of cloning?

  A. creation of a perfect replica

  B. creation of a similar copy

  C. increasing the number of plants

  D. increasing the life expectancy of animals

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Question 12 of 31

 What is a technique used to rapidly increase the number of copies of specific regions of DNA?

  A. Gel electrophoresis

  B. Cell lysing

  C. DNA precipitation

  D. Polymerase chain reaction

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 Question 13 of 31

 What is an example of a genetically modified organism?

  A. a red apple with a gene from another apple cultivar

  B. mating of a horse and donkey to produce a mule

  C. a natural cross between zucchini and acorn squash

  D. a plant produced through traditional breeding

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 Question 14 of 31

 Gel electrophoresis separates charged molecules on the basis of what?

  A. temperature and shape

  B. size and charge

  C. contents and charge

  D. shape and color

Question 15 of 31

What compound carries a gene from one organism into a bacterial cell?

  A. a promoter

  B. a plasmid

  C. a nucleotide

  D. an enzyme

.Question 16 of 31

 What is a plasmid with foreign DNA inserted referred to as?

  A. restriction DNA

  B. foreign DNA

  C. recombinant DNA

  D. host DNA

Question 17 of 31

What do the different bands in the same lane of an agarose gel represent?

  A. similar genetic make up

  B. different organisms

  C. links of protein

  D. different size pieces

 Question 18 of 31

 Why was Dolly a Finn-Dorset and not a Scottish Blackface?

  A. the nucleus came from a Finn-Dorset

  B. the cytoplasmic donor was from a Scottish Blackface

  C. enucleation occurred with a Scottish Blackface egg

  D. the surrogate ewe was a Finn-Dorset

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Question 19 of 31

 What are protozoans that derive their energy from chemicals in the environment as opposed to solar energy called?

  A. photoheterotroph

  B. photoautotroph

  C. chemoheterotroph

  D. chemoautotroph

Question 20 of 31

 Why are some viruses species- or tissue-specific?

  A. The inner RNA must be compatible with the host RNA

  B. The proteins in its outer shell must be able to interact with host cellular proteins.

  C. The RNA must first be added to the nucleus of the host, then added to the cell

  D. The inner DNA must be compatible with the host DNA.

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 Question 21 of 31

Which type of stem cell can only become one specialized type of stem cell, depending on the origin?

  A. reproductive

  B. embryonic

  C. induced pluripotent

  D. somatic

 Question 22 of 31

How many significant figures does 0.105 have?

  A. 1

  B. 4

  C. 2

  D. 3

 Question 23 of 31

 What are qualitative data measurements?

  A. Measurements that are appropriate for any type of variable

  B. Measurements of categorical variables and can be displayed as types or descriptions

  C. Measurements that are appropriate for any experiment

  D. Measurements of numerical variables and are displayed as numerical values

Question 24 of 31

 What is the metric (SI) unit for length?

  A. feet

  B. yard

  C. inches

  D. meters

Question 25 of 31

 Which is the largest virus overall, when comparing relative sizes?

  A. Ebola

  B. Rabies

  C. Zika

  D. Adenovirus

  E. Influenza

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 Question 26 of 31

 Which was the first virus to be described?

  A. HIV

  B. Adenovirus

  C. T7

  D. Ebola

  E. TMV

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Question 27 of 31

 What is a virus that is transmitted from a vertebrate animal to humans?

  A. host

  B. parasite

  C. zoonic

  D. vector

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 Question 28 of 31

 Why is Zika of concern to pregnant women?

  A. it can cause microcephaly

  B. it can cause spina bifida

  C. It can cause clubfoot

  D. it can cause Down’s Syndrome

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 Question 29 of 31

 What is the approximate diameter of the Zika virus?

  A. 100 nm

  B. 50 nm

  C. 500 nm

  D. 1000 nm

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 Question 30 of 31

 In a few sentences, what was the overall purpose of the lab for this week? You should include 1-2 sentences on the methods and then the overall reason.

Question 31 of 31

Please upload your completed Lab Packet for this week. Make sure your name is on the top in the space provided.