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Amiraneli [1.4K]
3 years ago
7

You are working in a laboratory that is studying a newly isolated virus. Your job is to culture the virus using in vitro methods

. Upon observing your inoculated tissue culture specimen one day, you notice clumps of cells growing on top of the original monolayer of cells. Microscopic analysis of stained cells from the culture reveal an alteration in host cell membrane protein content and chromosomal structure. Based upon this information, you hypothesize that the virus you are studying is ________.
Biology
1 answer:
dangina [55]3 years ago
7 0

Oncovirus  is the virus that is studied

Explanation:

Oncovirus are the tumour causing viruses, which has been a dominant in causing leukaemia and also solid tumours in lower species. Oncovirus grows clumps of cells in the upper layer of the original cell. Transformation of cells as well as the tumour formation in experimental cells are induced by the oncoviruses. viruses remain unique form one another because of their nucleic acid, morphology, mode of replication, host range and type of antigens induced in the tumour or induced cell.

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Some chemical signals are received by specific target cells. what is required for reception by a target cell?
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Right receptor protein on the surface of the target cell or in cell plasma is required. There are three major types of receptors in cell:
1. Channel receptors- <span>neurotransmitters.</span>
2. Receptor tyrosine kinases-protein expression
3. G protein coupled receptors-<span>detect </span>substances<span> outside the </span>cell
5 0
3 years ago
A population of rabbits follows the typical pattern of inheritance and the law of dominance for fur color. B is the allele for b
Ostrovityanka [42]

The law of dominance states that the recessive genes are always masked by the dominant genes.

The genes for brown fur will mask those for white fur.

If there are 160 bunnies then 120 of them have brown fur and 40 have white fur.

Thus, 40 bunnies should be white according to the Punnett square.

8 0
3 years ago
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Only about 10 percent of the energy in an organism is passed on to the next level of a food chain. Look at this food chain: gras
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Answer:

i think its 1%

Explanation:

if the grass has 100% energy and only 10% gets passed do that two times and you should have 1% since 1 x 10 is 10

3 0
3 years ago
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What is abortion and how does the process work. How much money does abortion usually cost.
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Answer: Abortion is the killing of an unborn baby. Sometimes the head and bones are crushed, and pliers and scissors are used to slice and pull out the dead baby. I dont know how much it costs

Explanation:

4 0
3 years ago
All instructions for proteins, like hemoglobin, are stored in our _______, which is located in a cell’s ______________. This DNA
svlad2 [7]

Answer:

1. DNA

2. Nucleus

3. mRNA

4. Transcription

5. Nucleus

6. mRNA

7. Cytoplasm

8. Ribosome

9. Translation

10. anti-codons

11. codon

12. amino acids

13. protein

Explanation:

Deoxyribonucleic acid or DNA hold all the instructions that make up an organism. It determines the physical structure and even the function of the different cells that make up all organisms.

The DNA are all stored in the NUCLEUS of cells. Typically, eukaryotic cells have a nucleus except red blood cells. The nucleus has a nuclear envelope that keeps the DNA stored inside but it has nuclear pores that allows it to interact with the cytoplasm.

In order for DNA to be replicated, it needs to be turned into messenger RNA, otherwise known as mRNA. The mRNA decodes the DNA in order for the cell to use the code. The process is called transcription.

Transcription is done within the nucleus. Before the cell can understand what to do with DNA, mRNA transcribes to know what information it needs to produce specidic proteins.

Once transcription is done, it will then bring the information out of the nucleus and into the cytoplasm. The cytoplasm is the viscous gel-like solution that holds the organelles of the cell. In the cytoplasm you have ribsomes.

Ribosomes is where protein synthesis takes place, this is why it is called the protein factory of the cell. It is a molecule that is made up of ribosomal RNA, which direct the chemical processes involved in protein synthesis. For protein synthesis to happen, it will need another type of RNA, which is the tRNA.

tRNA is transfer RNA and they translate the mRNA sequence into proteins. tRNA have amino acids attached to it.

Each 3 bases of the mRNA are collectively known as codons. These codons correspond with specific  tRNA that hold the anticodons. These anticodons code for specific amino acids that they also hold.

When they pair up, the tRNA drop off the amino acid which form a chain with the other tRNA amino acids that complete the code. These chain of monomers then make the protein specific to the DNA code that was copied in the beginning.

3 0
3 years ago
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