If algae are exposed to 14CO2 for a brief period while illuminated, the labeled carbon is initially found almost entirely in the carboxyl group of 3-phosphoglycerate. However, if illumination is continued after the label pulse, other carbon atoms become labeled. Explain.

If algae are exposed to 14CO2 for a brief period while illuminated, the labeled carbon is initially found almost entirely in the carboxyl group of 3-phosphoglycerate. However, if illumination is continued after the label pulse, other carbon atoms become labeled. Explain.

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter13: Early Life Forms And The Viruses

Section: Chapter Questions

Problem 4CT

See similar textbooks

Related questions

Q: Some halophiles often have an extremely high amino acid concentration in the cell and grow at pH of…

A: Halophiles are microorganisms that live in locations with exceptionally high salt concentrations and…

Q: Besides chlorophyll, what additional light-harvesting pigments are found in the cyanobacteria?

A: Cyanobacteria are free-living photosynthetic bacteria. They originated billions of years ago when…

Q: "In sulfur photosynthetic bacteria what is the molecule that donates hydrogen for photosynthesis?"

A: Photosynthesis is a biochemical process in which green plants and other organisms containing…

Q: Contrast autotrophy in the following phototrophs:cyanobacteria; purple and green sulfur bacteria;…

A: Autotrophy is nothing but the ability to produce organic molecules using carbon. Autotrophs commonly…

Q: Explain why electron transport in purple photosynthetic bacteria follows a circular path.

A: Electron transport during photosynthesis can be either cyclic or non-cyclic in order to synthesis…

Q: A culture of the single celled organism Chlamydomonas is actively carrying out photosynthesis in the…

A: Dark reaction is the second phase in photosynthesis where autotrophs uses carbon dioxide to…

Q: What are halophiles? Why do Halobacterium sp. Require sodium and potassium ions?

A: They are salt loving organisms. They include both prokaryotic and eukaryotic organisms. Example :…

Q: From the standpoint of energy metabolism, how do chemoorganotrophs differ from chemolitotrophs? What…

A: Based on the source of energy and carbon, living organisms may be classified into different groups…

Q: If algae are exposed to 14CO2 for a brief period while illuminated, the labeled carbon is initially…

A: The cell has the fuel required to create food in the form of carbohydrate molecules after the energy…

Q: Nitrosomonas is a photophobic (light-avoiding) chemoautotrophic bacterium that converts ammonia into…

A: The Calvin cycle or the Calvin-Benson cycle is the set of chemical reactions that takes place in…

Q: The apicomplexan that causes malaria has a photosynthetic ancestor and contains an organelle that…

A: Apicomplexans, also known as sporozoans, are intracellular parasites that cause numerous diseases in…

Q: Anabaena Do they have any nuclei, mitochondria, chroloplast, or ribosomes? Can you see any…

A: Do they have any nuclei, mitochondria, chloroplast, or ribosomes? Anabaena is within the organism…

Q: Without carbon dioxide, chlorophyll fluoresces. How doescarbon dioxide prevent this fluorescence?

A: The energy of a photon absorbed by the chloroplast's chlorophyll molecule can be dissipated by…

Q: The mud at the bottom of a Winogradsky column is usually found to have a black colour. Explain why?

A: Sergei invented the winogradsky column to view the enrichment of different microorganisms of various…

Q: What is a general term that is used to describe the strategy of using photosynthesis and…

A: Photosynthesis is a process in which plants, some bacteria and algae can synthesize food in form of…

Q: e in common with choanoflagellata ?

A: Animals are also known as Metazoa, they are multicellular eukaryotic organisms that are responsible…

Q: What can we conclude about the Pyrodictium/Pyrolobus groupin terms of life at high temperature?

A: Submarine hyperthermophilic archaea include genus Pyrodictium. The genus comprises a unique cellular…

Q: Why are Amphotericin B and Azoles selectively toxic for fungus? (Define selectively toxic and…

A: A fungus is a type of eukaryotic organism which comprises microbes like yeasts and moulds, as well…

Q: Why can a pure culture of Syntrophomonas grow on crotonatebut not butyrate?

A: The syntropy is the phenomenon that one species lives off the product of another species. There are…

Q: If photosynthesizing green algae are provided with CO2 containing heavy oxygen (18O), which of the…

A: As algae is grown in the sunshine, it consumes (or absorbs) carbon dioxide (CO2) and releases oxygen…

Q: What is the main photosynthetic pigment in eukaryotes and cyanobacteria? Anthocyanin Chlorophyll…

A: Photosynthesis is the process by which plants store the energy of sunlight as chemical energy. The…

Q: Chlorella is a photosynthetic alga that is related to Chlamydomonas. However, unlike Chlamydomonas,…

A: Answer: CHLORELLA = These are single celled, phototrophic algae, autotrophic in nature, who has…

Q: What are the functions, locations, and structures of Chlorophyll, Bacteriochlorophyll, Carotenoids,…

A: Chlorophyll: it is natural pigment present in green plants. It helps the plant to utilize the…

Q: Why can phototrophic green bacteria grow at light intensitiesthat will not support purple bacteria?

A: Purple bacteria are the phototropic bacteria which are capable of producing food through the process…

Q: In sulfur photosynthetic bacteria what is the molecule that donates hydrogen for photosynthesis?

A: Introduction - Sulfur-oxidizing bacteria are prevalent. Thiobacillus thiooxidans is a…

Q: Microorganism: Dinophysis sp Is this microorganism aerobe or anaerobe? What type would it be?…

A: Dinophysis sp belongs to dinoflagellates. They found in tropical , temperate and occeanic…

Q: caused by a certain species of photosynthetic green algae that thrives in subzero temperatures…

A: Chlamydomonas nivalis is a red coloured unicellulae, green algae. They are one of the main algae…

Q: How can chemolithotrophs create a membrane pH gradient if they are not using traditional proton…

A: Introduction Chemolithotrophs are organisms that generate energy from chemical reactions by the…

Q: What is meant by the term “chemolithotrophy”? In what wayare chemolithotrophs like plants?

A: Nutrition is the process by which the organisms obtain and utilize their food. All the living…

Q: If sea fireflies (Cypridia hilgendorfii) are heated in water at 100oC for a few minutes before…

A: Question - If sea fireflies (Cypridia hilgendorfii) are heated in water at 100oC for a few minutes…

Q: “Watermelon snow” in Antarctica is caused by a certain species of photosynthetic green algae that…

A: Algae are photosynthetic eukaryotic organisms. They can be either unicellular or multicellular. They…

Q: Which of the following is true about Heterocysts? Choose all possible answers. Are the sites of…

A: Certain filament cyanobacteria, including Nostoc punctiforme, Cylindrospermum stagnale, and Anabaena…

Q: Vhich of the following pigment act like an anti-oxidant: Select one: O phycobilins O phycoerythrin O…

A: The plant requires various chlorophyll pigments and accessory pigments in order to carry out…

Q: In what environment might you observeThermocrinis ruber, and what role did this organismplay in the…

A: Thermocrinis ruber is a pink-filament-forming hyperthermophilic bacterium that is first isolated…

Q: Phenol red reaction is orange on maple leaf, is it alive?

A: The measure of free hydrogen ion concentration is referred to as pH. The greater the amount of…

Q: Blue-green algae (cyanobacteria) form heterocysts when deprived of ammonia and nitrate. In this…

A: Photosynthesis is defined as the process by which autotrophs, including green plants and…

Q: Describe how the light-mediated proton motive force isestablished in Halobacterium salinarum.

A: Helicobacter salinarum is the bacterial species that are found in unusual environments. They are…

Q: Explain why the statement is true. Photosynthesis is hypothesized to have been made possible by the…

A: Mezoxones are the functional cells which have a series of keys of socio-economic data sets which…

Q: Watermelon snow” in Antarctica is caused by a species of photosynthetic green algae that thrives in…

A: Photosynthesis is the process by which higher plants, algae, and certain species of bacteria…

Q: hen a culture of Chlamydomonas is exposed to HIGH intensity light, the cells will display negative…

A: Phototaxis is the movement of organisms towards or away from a light source. Chlamydomonas is a…

Q: Explain why a solid state fermentation system is optimal for extracellular enzyme production from…

A: Fungi are heterotrophic organisms that feed mostly on dead and decaying organic matter.

Q: Why does exposure to UV radiation cause death in vegetative cells but not endospores?

A: An endospore is a rough, non-reproductive, and dormant structure. It is produced by the bacteria in…

Q: Name the photoreceptor pigment found in halophile bacteria.

A: Extremophiles are organisms that are found and adapted to thrive in extreme environments. Halophiles…

Concept explainers

Functional Diversity

Question

If algae are exposed to ¹⁴CO₂ for a brief period while illuminated, the labeled carbon is initially found almost entirely in the carboxyl group of 3-phosphoglycerate. However, if illumination is continued after the label pulse, other carbon atoms become labeled. Explain.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.

Similar questions

Without carbon dioxide, chlorophyll fluoresces. How doescarbon dioxide prevent this fluorescence?
Name the special photoreceptor pigment present in halophiles.
An illuminated suspension of the green alga Chlorella is actively carrying out photosynthesis. Suppose that the light is suddenly switched off. How would the levels of 3-phosphoglycerate and ribulose 1 ,5 -bisphosphate change in the next minute?
Yes, but Kelper 28, is a unicellular, carbon based, eukaryotic organism so how is chemosynthesis possible?
Chlorella is a photosynthetic alga that is related to Chlamydomonas. However, unlike Chlamydomonas, Chlorella is exclusively autotrophic. In what ways are these two species biochemically different? A. Chlorella can generate more G3P in the light than Chlamydomonas can B. Only Chlamydomonas can respire in the dark as well as the light. C. Only Chlamydomonas can gain carbon in the dark. D. Only Chlamydomonas can metabolize glucose.
. The light-sensitive, protein component of the complex which pumps hydrogen ions out of the cell when exposed to sunlight (from the halophilic archaeobacterium Halobacterium halobium) is called: the photosynthetic reaction center bacteriorhodopsin retinal cytochrome c bacteriochlorophyll
Trichonympha and other microbes supply cellulase, the enzyme needed to break down cellulose, which is the primary chemical constituent of wood and other fibrous plant parts. What ecological consequences would ensue if we did not have trichonympha and other organisms producing this enzyme?
Besides chlorophyll, what additional light-harvesting pigments are found in the cyanobacteria?
Why are Amphotericin B and Azoles selectively toxic for fungus? (Define selectively toxic and explain why Amphotericin B and Azoles will harm fungal cells but not harm humans.)
What is the effect of salinity on the rates of photosynthesis versus respiration in Euglena gracilis as shown in Figure 2? What does the difference in the initial slopes of the curves in the left panel tell us?
Contrast autotrophy in the following phototrophs:cyanobacteria; purple and green sulfur bacteria; Chloroflexus.
What are the functions, locations, and structures of Chlorophyll, Bacteriochlorophyll, Carotenoids, and Phycobilins in phototrophic organisms, and what example of microorganism has such pigments necessary for photosynthesis?