Biology Review 3
Carbon Fixation.....
occurs when carbon atoms from CO2 are incorporated into an organic molecule.
What is the likely origin of Chloroplasts?
photosynthesis prokaryotes that lived inside eukaryotic cells
Where is chlorophyll found in a plant cell?
thylakoid membrane
The oxygen released into the air as a product of photosynthesis comes from _________.
water
Respiration (1) __________, and cellular respiration (2)__________.
1. Is gas exchange 2. Produces ATP
The label on the box of breakfast cereal lists one serving as containing "100 Calories" per serving. How many calories are actually in one serving?
100,000
As a result of glycolysis, there is a net gain of _______ ATP(s).
2
What most directly provides the electron transport chain in cellular respiration with the hydrogens it needs to function?
NADH
What is the name given to organisms that can make their own food and thus sustain themselves without consuming organic molecules derived from other organisms?
Autotrophs
Which of the following molecules is a reactant of photosynthesis?
CO2
Carbon Dioxide absorption is an appropriate indicator of photosynthesis because......
CO2 is needed to produce sugars in the Calvin cycle
Which of the following molecules found in the food we eat is most commonly broken down to make ATP?
Carbohydrates
In the electron transport chain, the final electron acceptor is ____________.
Oxygen
Which of the following statements concerning the role of redox reactions in photosynthesis and cellular respiration is true?
In photosynthesis, carbon dioxide is oxidized to form sugar, whereas in respiration, sugar is reduced to form carbon dioxide
During cellular respiration, energy in glucose _________.
Is carried by electrons and Hydrogens to produce ATP
In animal cells ________________.
Lactic acid is produced during fermentation
Which of the following is NOT an expected outcome of global climate change?
Lower sea levels
Clusters of light-gathering pigments in a photosystem _________
Pass energy to the reaction center
The energy that excites the photosystems is supplied by.....
Photons of light
Which of the following statements regarding photosynthesis and cellular respiration is true?
Photosynthesis occurs in chloroplasts, and cellular respiration occurs in mitochondria
An electron transport chain of the light reactions......
Shuttles electrons from photosystem II to photosystem I.
Which of the following organisms can make organic molecules from water and carbon dioxide?
Spinach (💀bruh)
Which process breaks down sugars to make ATP when oxygen is present?
electron transport chain
Which of the following directly provides the energy needed for cell function?
A phosphate group is removed from ATP
What molecule carries chemical energy that cells use directly for their function?
ATP
Two products of the Krebs cycle are ______ and ______.
ATP and NADH
Which of the following are produced during the light reactions of photosynthesis?
ATP, NADPH, O2
In most green plants, chloroplasts are ________.
Concentrated in a zone of leaf tissue called the mesophyll
Which stage of respiration creates the most ATP?
Electron Transport Chain
Which of the following types of organisms uses cellular respiration for their cellular energy needs?
Eukaryotes
The Calvin cycle constructs _________, an energy-rich molecule that a plant cell can then use to make glucose or other organic molecules.
G3P
Which of the following are produced during the Calvin cycle?
Glucose, ADP, NADP+
The first stage of respiration is anaerobic and is called _________.
Glycosis
The part of cellular respiration in which glucose is broken down is called _________.
Glycosis
Thylakoids are arranged in stacks called ______.
Grana
Where does the chemical energy to produce ATP come from?
The breakdown of carbon-based molecules into smaller molecules
