MelodieLangton MelodieLangton

20-09-2014
Biology

Answered

Why are two photosystems necessary?

Answer :

SecretIndex SecretIndex

20-09-2014

A single photosystem can't provide enough energy for the electrons it transfers its energy to.

Answer Link

26-09-2014

they are necessary because these systems absorb energy from the photon and then conserve the energy in the transfer of electrons .. single photosystem cannot carry out the transfer because of absorbing low amount of energy ..

Answer Link

Other Questions

Select the correct answer.The volume of a rectangular prism is a minimum of 25 cubic feet. The height of the prism is 3 feet more than its width, and its length

CHEMISTRY What are the two reactions in CHEMISTRY

The annual amounts of rainfall in a certain region are modeled using the normal distribution shown below.The mean of the distribution is 36.4 cm and the standar

The City of South Lake Tahoe, CA, has an Asian population of 1,419 people, out of a total population of 23,600. Suppose that a survey of 1,419 self-reported Asi

Solve the following trigonometric identity:[tex]\tan ^2 \theta - \cot ^2 \theta = \sec ^2 \theta \left(1 - \cot ^2 \theta \right)[/tex]

7. Find at least two instances in the text which tell you that Bismillah Khaloves India and Benaras.

I met a thief poem analysis

Part 1 of 6We begin by first looking for rational zeros. We can apply the rational zero theorem because the polynomial has integer coefficients.[tex] n(x) = 3x^

The power in an electrical circuit is given by the equation [tex]P = I^2 R[/tex], where [tex]I[/tex] is the current flowing through the circuit and [tex]R[/tex]

if 18 oranges cost $5.76 what is the cost of one

where did american troops do most of the fighting

Of the following, which imports the most oil in barrels per day? A. Taiwan B. Russia C. Saudi Arabia D. the United States

The price for each reindeer harness is $17.95 what is the price of 9 reindeer harnesses is the tax rate is 14% how much would 9 reindeer harnesses including tax

Which of the following is a possible long-term consequence of two organisms occupying the same niche? a. Local extinction b. Cooperation c. Interbreeding d. Coe

Which of the following could be a nucleotide of DNA? deoxyribose + phosphate group + thymine deoxyribose + phosphate group + uracil ribose + phosphate group + t

Josie was observing the roots of a monocot plant. It had thin, long roots. What type of growth do the roots of monocots exhibit? primary growth secondary growth

How can you use a single parallel sentence to combine the sense in these two sentences? I regularly drudge five days a week. I habitually sleep through the week

rewrite this expression using the distributive property then simplify. 2/3(6x+12)

CAN SOMEONE HURRY? I NEED THIS DUE ON 1/5/15! 1.How is the town affected when George Bailey was never born? How is the town different when George Bailey doesn't

if 3 times a number is equal to 3/2, what is the number?