The only known "solution" to the loss of efficiency caused by the oxygenation of RuBP by rubisco is to raise the concentration of CO2 in the cell using energy from ATP. Which of the following is MOST correct of such plants?

A) They are tolerant of shade. B) They are often found in bright, sunny habitats. C) They do not produce O2. D) They do not produce reactive O2 species. E) They require high CO2 levels. A) They are tolerant of shade. B) They are often found in bright, sunny habitats. C) They do not produce O2. D) They do not produce reactive O2 species. E) They require high CO2 levels.

Exam 8: Photosynthesis: Using Sunlight to Build Carbohydrates

Explore all topics

Electrons from water are transported through the photosystems and photosynthetic electron transport chain and are ultimately used to reduce NADP⁺ to NADPH. At what point do the electrons have the greatest amount of potential energy?

(Multiple Choice)

4.8/5

(37)

Question 181

Not all photosynthetic organisms are plants, but one thing they all have in common is that they can only be found within a narrow temperature and moisture range.

(True/False)

4.8/5

(33)

Question 182

The synthesis of ATP in the chloroplast by ATP synthase depends on the presence of different concentrations of protons in the lumen of the thylakoid and in the stroma. Compare these two compartments of the chloroplast in terms of both actual proton concentration and pH scale values.

(Essay)

4.9/5

(40)

Question 183

The products of the Calvin cycle are used to assemble larger sugars in the:

(Multiple Choice)

4.9/5

(37)

Question 184

Suppose a mutation caused photosystem I to function at only 10 percent of its normal capacity. Which of the following would you predict would happen?

(Multiple Choice)

4.9/5

(37)

Question 185

Reactive oxygen species are detoxified in order to:

(Multiple Choice)

4.9/5

(41)

Question 186

Which one of the following is part of the preparatory phase of glycolysis?

(Multiple Choice)

4.7/5

(40)

Question 187

With the endosymbiotic hypothesis in mind, what structure within modern-day chloroplasts is likely derived from the plasma membrane of ancestral cyanobacteria that took up residence within a eukaryotic cell?

(Multiple Choice)

4.7/5

(38)

Question 188

Rubisco can function as either a carboxylase or an oxygenase.

(True/False)

4.9/5

(39)

Question 189

Low temperatures slow the activity of rubisco but enhance its ability to select CO₂ over O₂. Low temperatures thus:

(Multiple Choice)

4.9/5

(41)

Question 190

Which of the following is responsible for the transport of electrons between photosystem II and photosystem I?

(Multiple Choice)

4.9/5

(38)

Question 191

Photorespiration in chloroplasts differs from cellular respiration in mitochondria in that:

(Multiple Choice)

4.9/5

(46)

Question 192

The only known "solution" to the loss of efficiency caused by the oxygenation of RuBP by rubisco is to raise the concentration of CO₂ in the cell using energy from ATP. Which of the following is MOST correct of such plants?

(Multiple Choice)

4.9/5

(40)

Question 193

It is thought that the evolution of two photosystems from one likely involved:

(Multiple Choice)

4.9/5

(31)

Question 194

In plants and algae, _____ is the source of the electrons needed for photosynthesis.

(Multiple Choice)

4.8/5

(41)

Question 195

It is possible that the earliest reaction centers used light energy to drive the movement of electrons from an electron donor in the surrounding medium to an electron acceptor within the cell.

(True/False)

4.8/5

(28)

Question 196

Review the experiment illustrated in Fig. 8.6. Based on the result of Experiment #2 and on what you know about photosynthesis, draw the 2D chromatography pattern that would be observed if the cells treated with ¹⁴CO₂ had been allowed to remain in culture for a longer period of time before they were put in the boiling alcohol. Label the dot(s) appropriately on your drawing using the labels in Fig. 8.6 as a reference.

(Short Answer)

4.9/5

(35)

Question 197

Some bacteria carry out a type of photosynthesis that uses H₂S in place of H₂O. Assuming that the process is otherwise similar to green plant photosynthesis, which of the following could represent the overall reaction?

(Multiple Choice)

4.8/5

(35)

Question 198

Which of the following lowers the efficiency of plants' conversion of sunlight into chemical energy?

(Multiple Choice)

4.8/5

(36)

Question 199

Rubisco is characterized by:

(Multiple Choice)

4.9/5

(32)

Question 200

Showing 181 - 200 of 204

Exam 8: Photosynthesis: Using Sunlight to Build Carbohydrates

Electrons from water are transported through the photosystems and photosynthetic electron transport chain and are ultimately used to reduce NADP+ to NADPH. At what point do the electrons have the greatest amount of potential energy?

Not all photosynthetic organisms are plants, but one thing they all have in common is that they can only be found within a narrow temperature and moisture range.

The synthesis of ATP in the chloroplast by ATP synthase depends on the presence of different concentrations of protons in the lumen of the thylakoid and in the stroma. Compare these two compartments of the chloroplast in terms of both actual proton concentration and pH scale values.

The products of the Calvin cycle are used to assemble larger sugars in the:

Suppose a mutation caused photosystem I to function at only 10 percent of its normal capacity. Which of the following would you predict would happen?

Reactive oxygen species are detoxified in order to:

Which one of the following is part of the preparatory phase of glycolysis?

With the endosymbiotic hypothesis in mind, what structure within modern-day chloroplasts is likely derived from the plasma membrane of ancestral cyanobacteria that took up residence within a eukaryotic cell?

Rubisco can function as either a carboxylase or an oxygenase.

Low temperatures slow the activity of rubisco but enhance its ability to select CO2 over O2. Low temperatures thus:

Which of the following is responsible for the transport of electrons between photosystem II and photosystem I?

Photorespiration in chloroplasts differs from cellular respiration in mitochondria in that:

The only known "solution" to the loss of efficiency caused by the oxygenation of RuBP by rubisco is to raise the concentration of CO2 in the cell using energy from ATP. Which of the following is MOST correct of such plants?

It is thought that the evolution of two photosystems from one likely involved:

In plants and algae, _____ is the source of the electrons needed for photosynthesis.

It is possible that the earliest reaction centers used light energy to drive the movement of electrons from an electron donor in the surrounding medium to an electron acceptor within the cell.

Some bacteria carry out a type of photosynthesis that uses H2S in place of H2O. Assuming that the process is otherwise similar to green plant photosynthesis, which of the following could represent the overall reaction?

Which of the following lowers the efficiency of plants' conversion of sunlight into chemical energy?

Rubisco is characterized by:

Life: Chemical, Cellular, and Evolutionary Foundations

The Molecules of Life

Nucleic Acids and Transcription

Translation and Protein Structure

Organizing Principles: Lipids, Membranes, and Cell Compartments

Making Life Work: Capturing and Using Energy

Cellular Respiration: Harvesting Energy From Carbohydrates and Other Fuel Molecules

Cell Signaling

Cell and Tissue Architecture: Cytoskeleton, Cell Junctions, and Extracellular Matrix

Cell Division: Variations, Regulation, and Cancer

Dna Replication and Manipulation

Genomes

Mutation and Dna Repair

Genetic Variation

Mendelian Inheritance

Inheritance of Sex Chromosomes, Linked Genes, and Organelles

The Genetic and Environmental Basis of Complex Traits

Genetic and Epigenetic Regulation

Genes and Development

Evolution: How Genotypes and Phenotypes Change Over Time

Species and Speciation

Evolutionary Patterns: Phylogeny and Fossils

Human Origins and Evolution

Cycling Carbon

Bacteria and Archaea

Eukaryotic Cells: Origins and Diversity

Being Multicellular

Plant Structure and Function: Moving Photosynthesis Onto Land

Plant Reproduction: Finding Mates and Dispersing Young

Plant Growth and Development

Plant Defense: Keeping the World Green

Plant Diversity

Fungi: Structure, Function, and Diversity

Animal Nervous Systems

Animal Sensory Systems and Brain Function

Animal Movement: Muscles and Skeletons

Animal Endocrine Systems

Animal Cardiovascular and Respiratory Systems

Animal Metabolism, Nutrition, and Digestion

Animal Renal Systems: Water and Waste

Animal Reproduction and Development

Animal Immune Systems

Animal Diversity

Animal Behavior

Population Ecology

Species Interactions, Communities, and Ecosystems

Biomes and Global Ecology

The Anthropocene: Humans As a Planetary Force

Filters

Electrons from water are transported through the photosystems and photosynthetic electron transport chain and are ultimately used to reduce NADP⁺ to NADPH. At what point do the electrons have the greatest amount of potential energy?

Low temperatures slow the activity of rubisco but enhance its ability to select CO₂ over O₂. Low temperatures thus:

The only known "solution" to the loss of efficiency caused by the oxygenation of RuBP by rubisco is to raise the concentration of CO₂ in the cell using energy from ATP. Which of the following is MOST correct of such plants?

Some bacteria carry out a type of photosynthesis that uses H₂S in place of H₂O. Assuming that the process is otherwise similar to green plant photosynthesis, which of the following could represent the overall reaction?