The diagram below shows the light reactions of photosynthesis. The orange arrows represent the path of electron flow. Which molecule does the oval labeled 'A' represent?
Primary
tletico
Acceptor
B
Primary
Electron
Acceptos
2e
Reaction
center
chlorophy
Reaction
center
chlorophy
A
Second
Photosystem
First
Photosystem
Image Source: Essential Biology with Physiology by Simon E. J. et al; 5th ed; Pearson; 2016
CO2
02
O H₂O
ATP
NADPH
Kk

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000