Cell Biology Questions
Explore questions in the Cell Biology category that you can ask Spark.E!
A membrane protein called__allows H+ ions to pass through the thylakoid membrane and into the storm.
The first process in the light-dependent reactions of photosynthesis is...a) light absorptionb) electron transportc) oxygen productiond) ATP formation
If you continue to increase the intensity of light that a plant receives, what happens?a) the rate of photosynthesis increases indefinitely with light intensityb) the rate of photosynthesis decreases indefinitely with light intensityc) the rate of photosynthesis increases and then levels offd) the rate of photosynthesis does not change
Which of the following is NOT a step in the light dependent reactions?a) High energy electrons move through the electron transport chainb) Pigments in Photosytem II absorb lightc) ATP synthase allows H+ ions to pass through the thylakoid membraned) ATP and NADPH are used to produce high energy sugars
Where in the chloroplast is chlorophyll found?a) in the ATPb) in the stromac) in the thylakoid membraned) in the thylakoid space
The leaves of a plant appear green because chlorophylla) reflects blue lightb) absorbs blue lightc) reflects green lightd) absorbs green light
The light-independent reactions of photosynthesis are also known as the a) Calvin cycleb) sugar cyclec) carbon cycled) ATP cycle
Which of the following is used by cells to store and release energy used to power cellular processes?a) DNAb) ATPc) H20d) CO2
In addition to light and chlorophyll, photosynthesis requiresa) water and oxygenb) water and sugarsc) oxygen and carbon dioxided) water and carbon dioxide
Which of the following is NOT a true statement about ATP?a) ATP consists of ribose, adenine and three phosphate groups.b) ADP is produced when ATP releases energyc) ATP provides energy for the mechanical functions of cellsd) Used ATP is discarded by the cell as waste
When a candle burns, energy is released in the form ofa) carbon dioxide and waterb) ATPc) light and heatd) electricity and motion
(T/F) ATP is the product of photosystem I
Cells contain only a _____ amount at ATP at any one time. They _____ it from ADP as they need it, using _____ stored in food.
The main chemical compound cells use for energy is
_____is principal pigment of plants and other photosynthetic organisms
The light independent reactions happen in the _____ and is also called _______
most cells only store enough ATP for _______ of activity
______is a membrane protein that uses energy from H+ ions to bind ADP and a phosphate group together to produce ATP
Chemicals that absorb light are called___
What are the reactants of photosynthesis?a) chlorophyll and lightb) carbon dioxide and waterc) carbohydrates and oxygend) high energy electrons and air