Answer:
Lion: Rich grasslands of East Africa to sands of Kalahari Desert, South Sahara to South Africa, excluding the Congo rain forest. They avoid dense forests because prey is scarce. Competition for Africa's grasslands by humans has drastically reduced the lions' range. Although lions were once widespread throughout much of Africa, Asia, Europe, and even prehistoric North and South America, they currently exist in the wild onl…
Explanation:
Answer:
The answer to this question is A.
Explanation:
Answer:
C) Primary, tertiary and quaternary levels of protein structure
Explanation:
Primary structure; Covalent bond is present in form of peptide bond in the primary structuture of proteins. The amino acids are held together in the polypeptide chain by peptide bond.
Tertiary structure; Disulfide bonds are present between cysteine amino acids, that keeps the parts of polypeptide chain strongly attached to one another.
Quaternary structure; The Quaternary structure of protein is held together by hydrophobic interaction and disulfide bonds.
3- perform the functions of the cell
Ans
400=x*40
x=400/40=10
ans = x10
Explanation:
total magnification=eyepiece magnification*objective lens magnification
eye piece=total/objective lens
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