How many days the sperm can be in the egg?

In which part of the chloroplast does the light dependent reaction take place

If twins were born would they both have down syndrome? If so expain

The moon's changing shape is caused by ...

How do sulfur and phosphorus move from the biotic to the abiotic pools during their cycles? A) Primary consumers eat producers. B) Secondary consumers eat primary consumers. C) Plant material is deposited in layers of ponds and lakes.

Do cells use active transport to maintain equilibrium with their environment?

Cells in multi-cellular organisms A) All look the same B) All have the same function C) Are often quite different from each other D) Are the same size in every part of the organism

Why is it necessary to cool a hot supersaturated solution slowly during a recrystallization?

Name the two energy-equivalent molecules that contain three phosphates as part of their structure. what makes these two molecules different? how many high energy phosphate bonds do they contain? nutrition

During what period of time has the sunbelt region of the u. s. grown most quickly?

The axial skeleton includes the A) vertebra, skull, and ribs B) hip bones, knees, and feet C) shoulder bones, elbows, and hands D) bones of the fingers and toes