Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Biology Expert

describe Understanding the concepts of genetics.

1. An oncogene is
A) a viral gene with no relation to the host cell's genes.
B) absent in human cancer cells.
C) a bacterial gene that causes cancer in the host.
D) a mutated form of a proto-oncogene
E) a gene that turns off cellular reproduction.
2. Apoptosis refers to cell death and
A) can be programmed and is essential to normal development.
B) is always biologically detrimental to an organism.
C) is the accumulation of genetic errors.
D) is a failure in the translation or transcription mechanism.
E) is any failure of the genetic machinery to work correctly.
3. What is the function of a restriction enzyme in genetic engineering?
A) to carry DNA into a new cell
B) to cut DNA into fragments
C) to link together newly joined fragments of DNA
D) to make millions of copies of a specific segment of DNA
E) to separate fragments of DNA by their length and electrical charges
4. Plasmids are small accessory rings of ____ usually taken from ____.
A) RNA, animal cells
B) RNA, bacteria
C) DNA, animal cells
D) DNA, bacteria
E) DNA, plants
5. What is the function of the polymerase chain reaction (PCR) in genetic engineering?
A) to cut DNA into many fragments
B) to carry DNA into a new cell
C) to make millions of copies of a specific segment of DNA
D) to link together newly joined fragments of DNA
E) to separate fragments of DNA by their length and electrical charges
6. Free-living organisms in the environment that have had a foreign gene inserted into them are called
A) ex vivo organisms.
B) in vivo organisms.
C) intergenic organisms.
D) transgenic organisms.
E) transformable organisms.
7. A technique used to match evidence at a crime scene to a suspect would be
A) DNA probe.
B) recombinant DNA technique.
C) polymerase chain reaction.
D) DNA fingerprinting.
E) PCR followed by DNA fingerprinting.
8. The human genome is estimated to carry ____ genes.
A) 300
B) 3000
C) 30,000
D) 300,000
E) 3,000,000
9. Retroviruses
A) are DNA viruses.
B) are used to create genomic libraries.
C) produce DNA in a host from their viral RNA genes.
D) are used to carry recombinant DNA into plant cells.
10. The earliest forms of life on earth are found in rocks
A) 1 million years old.
B) 4 million years old.
C) 1 billion years old.
D) 3.5 billion years old.
E) 4.6 billion years old.

Biology, Academics

  • Category:- Biology
  • Reference No.:- M916692

Have any Question? 


Related Questions in Biology

What is the basic building block of a sanitary landfill how

What is the basic building block of a sanitary landfill? How is it constructed? Make a sketch to illustrate your answer. What kind of equipment or machinery is used to construct and operate a landfill?

Do you think there are political issues surrounding human

Do you think there are political issues surrounding human population growth? Why or why not? Can you give an example?

Chronic diseasesresearch paper on diabeteseach student will

CHRONIC DISEASES Research Paper on Diabetes Each student will write a 5-7 page research paper on a chronic disease or an emerging/re-emerging disease using at least 5 or more current sources, APA format, double-spaced, a ...

The primary goal of the reproductive system is the

The primary goal of the reproductive system is the production of a new human being. Let's consider each step of that process, beginning with the formation of gametes (sperm and eggs) and ending with birth. Can someone st ...

Explain why the removal of great sharks poses a threat to

Explain why the removal of great sharks poses a threat to bay scallops on the Atlantic Coast of North America, despite the fact that large sharks do not feed on scallops. Include the concept of a trophic cascade in your ...

Understanding photosynthetic processes can increase food

Understanding photosynthetic processes can increase food yield. In Ontario, a number of fresh vegetables are grown all year in greenhouses. This allows the grower to control the conditions of the plants. a) Identify the ...

Select one chronic illness that could be diagnosed early in

Select one chronic illness that could be diagnosed early in life, such as asthma, diabetes, or rheumatoid arthritis. Follow a person with this chronic illness through the lifespan, discussing how treatment approaches wou ...

Cell cycle control information cdk is a protein cdk

Cell cycle control information: CDK is a protein. CDK regulate phosphorylation events of mitosis What is a cyclin? What is its relationship to cdks(cyclin-dependent kinases)? How do cyclins work? Which checkpoints are af ...

Your friend bruce calls in a panic he has just come from

Your friend Bruce calls in a panic. He has just come from the doctor and been diagnosed with a bacterial infection. The doctor told him not to worry; his B cells will take care of it in no time! Knowing that you are stud ...

What would be the expected genotypes and phenotypes of the

What would be the expected genotypes and phenotypes of the children and their relative frequencies from the following crosses a) NN X nn b) Nn x nn c) Nn x Nn d) nn x nn Where n represent gene for albinism and N represen ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen