The first electrons to be excited by light energy are found in

ferredoxin.

photosystem I.

photosystem II.

chloroplasts.

The traits for blood type and Rh are the result of the presence or absence of particular on the erythrocytes. g

Which of the following describes characteristics of the troposphere? A. has low air pressure, but high temperature B. temperature increases with altitude (the ozone layer absorbs sunlight) C.

What is the plasma membrane made up of?

If an animal cell were placed into a solution of water taken from the ocean, what would happen to the cell

3. What could happen if water temperatures rise? A Carbon dioxide could be released, B Oxygen could be released. COxygen could be absorbed, D Carbon dioxide could be absorbed,

Which choice below best shows various types of genetic material in order from simplest to most complex? a. chromosome, gene, genome b. gene, genome, chromosome c. genome, gene, chromosome d. gene, chromosome, genome?

Problems the vegetable vendors face in their job

Which statement best describes why electrons are typically not included when determining the mass of an atom? The charge of a proton cancels the charge of an electron. The protons and neutrons are much more massive than the electrons.

What did the evidence that Darwin collected during his voyage on the HMS Beagle allow him to accomplish? A. to propose the theory of artificial selection B. to propose the theory of evolution by natural selection C.

List four types of evidence used to organize organisms in systematic taxonomy