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Fed [463]
3 years ago
6

Classification system ?

Biology
2 answers:
Crank3 years ago
7 0
Classification systems are essential to science; they act as the scaffolding that enables scientists to stand up close and get to know plants
Reptile [31]3 years ago
7 0
Living organisms can be classified according to their characteristics. The binomial system names an organism using its genus and species. Keys can be used to identify different species.
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Women often cite ___________ as a key cause or precipitating context of spousal abuse.
shepuryov [24]
<span>Women often cite alcohol abuse as a key cause or precipitating context of spousal abuse.

Huge intake of alcohol leads to intoxication. This clouds a person's judgment and inhibits proper mental functioning. Men would lose control and would violently abuse their spouses. </span>
3 0
2 years ago
Read 2 more answers
In many hairy vertebrates, such as apes, dogs, and rats, the involuntary erection of hair acts as an efficient means of thermore
Liono4ka [1.6K]

Answer:

It reflects the common ancestry of humans with hairy vertebrates.

Explanation:

Evolution is the change in the species with the passage of time. Some species might get extinct and some species might develop the advance character during the evolutionary process.

The evolutionary history of the organisms can be classified on the basis of the paleontological or molecular evidence. The two groups of the organisms can share a common ancestor if they have some similar features with each other. In the given question, it can be concluded that hairy vertebrates and human might have the common ancestor.

Thus, the correct answer is option (a).

8 0
3 years ago
Explain how the Naked DNA exploits vector's DNA ability to make a vaccine.
mixer [17]

Answer:

DNA vaccines consist of DNA vectors or plasmids (small double-stranded DNA rings originally derived from bacteria, but unable to cause infection) into which the genes encoding one or more immunizing proteins of the infectious agent have been inserted causing the disease to be prevented.

Explanation:

Vectors are the functional unit of naked DNA vaccines. Genes that encode the proteins of interest and are of bacterial origin are inserted into these vectors. Bacterial plasmids are circular DNA molecules that self-replicate extrachromosomally in bacteria. The genes encoded in these plasmids are under the control of promoters, almost always of viral origin. When a plasmid is introduced into the cell it translocates to the nucleus, where transcription of the transgene begins; the transcripts are then taken to the cytoplasm and translated there. The newly synthesized proteins are degraded in the proteasome to 8-10 amino acid peptides, which are transported to the endoplasmic reticulum. Peptides of high affinity with their respective MHC I molecule stabilize and enter the secretory pathway, thus reaching the cell surface, where they are coupled with the T-lymphocyte receptor (TcR) present on the surface of T lymphocytes cytotoxic drugs (CD8 +) to induce their activation.

4 0
2 years ago
What happens during G2 phase
Rudiy27

Answer:

Gap 2 (G2): During the gap between DNA synthesis and mitosis, the cell will continue to grow and produce new proteins. At the end of this gap is another control checkpoint (G2 Checkpoint) to determine if the cell can now proceed to enter M (mitosis) and divide.

Explanation:

6 0
3 years ago
What happens to light energy that is not absorbed?
Ratling [72]
When the light is not absorbed, it would reflect on the object.
6 0
3 years ago
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