C. the microscope needs to be protected from dust
Answer:
No
Explanation:
because cel fusion is when the male and female cell fuse together while the zygote is an already fused male and female cell
In Indian cuisine, sometimes a papaya is added to make meat cook faster. Why does this method work?
A- Papaya helps increase the temperature of the meat, hastening the cooking process.
B-Papaya has the enzyme papain, which tenders the meat tissues, hastening the cooking process
<u>
C-Papaya has the enzyme papain, which increases the pH of the meat recipe, hastening the cooking process.</u>
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C. The ecosystem but have limited resources.
Limited resources=intra and inter specific competition= the fittest survive and pass on their successful genes
Answer:
The correct answer will be option B (Interferons).
Explanation:
The innate immune response to viral infection begins with the recognition of pathogen which starts viral host response in organism.
After detection of viral infection cell produces type I interferon's, the protein molecule which interfere with the proliferation of viral cells.
Interferon's provide resistance to viral infection by :
1. Binding to IFN-α/β receptors which activate JAK/STAT pathway.
2. Production of enzymes which leads to the degradation of viral RNA.
3. Induction of ds-RNA-dependent kinase which inactivates the synthesis of proteins.
4. Binding to Natural killer cells which induces lytic activity, killing viral infected cells.
Thus, option B-interferon is the correct answer.
