Which molecule is split apart in photosystem II?

A) Water

B) Carbon dioxide

C) Glucose

D) ATP

What would happen if catfish died off

By which process do light rays pass through window

Describe 3 observation an astronaut might make while viewing russia at night?

What organelle is responsible for carrying out photosynthesis? a. Mitochondria b. Nucleus c. Vacuole d. Chloroplasts

Which reagent is a strong base and may burn your skin? a) iodine b) biurets c) benedicts d) sudan red

Why is the structure of dna called a double helix? a. because each of the curved dna subunits appears twice whenever it appears b. because dna is made of two strands of nucleotides wound together in a spiral. c.

Explain how glossopteris fossils provide evidence of continental drift

If a person has memory B cells against a certain pathogen, the person is ... a) likely to develop that disease b) much less likely to develop the disease a second time c) able to spread the disease to others through physical contact d) probably

A _[blank]_ solution contains a lot of dissolved solute for a given volume, whereas a _[blank]_ solution contains very little.

Some embryos do not survive through to the fetal stage, which begins about two months after fertilization. When this happens, the mother is said to have had A) endometriosis. B) a miscarriage. C) a toxic shock. D) an implantation.