In meiosis I crossing over occurs during

1leptotene

2 zygotene

3 pachytene

4 diplotene

Vascular cambium is one of two lateral meristems; the other is cork cambium. A plant grows in diameter primarily through divisions of the vascular cambium.

Which process could occur in individual 3?

A rock is exposed to a large amount of heat and pressure but does not melt and change into a new type of rock. What is the new type of rock?

Which of the three elements carbon, nitrogen, and phosphorous do you predict would exhibit similar properties?

What is the function of the central nervous system? A. to gather information B. to carry a response to glands and muscles C. to receive stimuli from the environment D. to process information and form a response

characteristics of replication, transcription, translation, and mutation. which of these processes takes place in the nucleus of the cell? which can take place in both the nucleus and cytoplasm? how do you know?

The energy to power passive transport comes from:

By which process does water vapor become a cloud? A) evaporation B) transpiration C) condensation D) precipitation

What two purposes does semen have?

Select the expression that is equal to (9c+3) - (5x-7) 14x-4 14x + 10 4x-4 4x + 10