Where are Malpighian tubules found?

a. in mammals
b. in annelids
c. in flatworms
d. in insects


Ans: d. in insects

Biology & Microbiology

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Substances called ________ donate hydrogen ions as they dissolve in water, lowering the pH of the solution

a. acids b. bases c. solvents d. salts

Biology & Microbiology

The region of a chromosome where two sister chromatids are held together is called a

A.) Spindle B.) Centromere C.) Nucleosome D.) Centriole

Biology & Microbiology

Which of these classification categories contains the closest related organisms?

(a). domain (b). genus (c). family (d). phylum (e). kingdom

Biology & Microbiology

Anemia, a condition that results in individuals with a low red blood cell count, can be caused by a number of factors. Why do individuals with defects in the spectrin protein often have this condition?

What will be an ideal response?

Biology & Microbiology