Twins produced when a single egg is fertilized are called twins. twins produced from two eggs ovulated at the same time are called twins.

What condition is kept close to its set point in osmoregulation? a. body temperature b.platelet count c.blood glucose level d.water balance

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these