The structure that forms most of the flesh of an apple is the

a) petal.
b) ovary.
c) stamen.
d) carpel.
e) sepal.


Ans: b) ovary.

Biology & Microbiology

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Which of the following will cause a shift in the hemoglobin-oxygen dissociation curve to the right?

A) increase in temperature only B) increase in plasma pH only C) increase in 2,3-BPG (2,3-bisphosphoglycerate) only D) both an increase in temperature and an increase in 2,3-BPG E) both an increase in temperature and an increase in plasma pH

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When compared to their warmer water counterparts, cold-water plankton often:

What will be an ideal response?

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In ligase-deficient strains of E. coli, DNA and chromosomal replication are unaltered because ligase is not involved in DNA replication

Indicate whether the statement is true or false

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It has been found that a particular "+ –" combination of frameshift mutations in gene X gives a wild-type phenotype, whereas a "– +" combination gives a mutant phenotype, even though the sites of insertion/deletion are the same

How might these results be explained?

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