What stage in meiosis does crossing over occur?

A plant cell has lost too much water due to evaporation by the sun. It needs more water from other cells. What structure would allow the water to be transferred? A. Cellulose B. Plasmodesmata C. Thylakoid membrane D. Proton pump

How many months is 243 days

Cual animal no tiene aparato digestivo ayudemen por favor

I did an experiment on the enzyme catalase. The aim was to determine effect of temperature on enzyme catalase. I was told a hypothesis was a true statement about the experiment. What is can be the hypothesis of this experiment?

Using the flowchart below, identify the part of the human nervous system that is usually associated with symptoms of hypoesthesia and paresthesia.

The distance covered by a degree of longitude is

Which of the following is NOT a red flag about your alcohol consumption?

What is the final energy source that the muscles need in order to move? fat sugar ATP glycogen

During ages six to eleven, Freud's latency period, what do experts believe happens to the libido? A. That it is channeled into self-development B. That it is only seen in small, private groups with peers C.

Name the four classes of organic compounds containing carbon