Description : Which of the following does not produce oxygen as a product of photosynthesis? A.Oak trees B.Purple sulfur bacteria C.Cyanobacteria D.Phytoplankton
Last Answer : B.Purple sulfur bacteria
Description : Genetic and biochemical similarities between contemporary cyanobacteria and eukaryoticchloroplasts are accepted to mean that A- .eukaryotes evolved from bacteria B- eukaryotes evolved from archaea C- . ... evolved in eukaryotes D- .cyanobacteria arose from chloroplasts which escaped from plant cells
Last Answer : eukaryotes evolved from archaea
Description : A key energy compound in bacterial photosynthesis by cyanobacteria is ______ and a major end-product is ______. a. GTP; protein b. citrate; lactose c. glucose; chlorophyll d. ATP; glucose
Last Answer : c. glucose; chlorophyll
Description : Which of the following bacteria lack a cell wall and are therefore resistant to penicillin? A- Cyanobacteria B- Mycoplasmas C- .Bdellovibrios D- .Spirochetes
Last Answer : Mycoplasmas
Description : Which of the following bacteria lack a cell wall and are therefore resistant to penicillin? A- Cyanobacteria B- Mycoplasmas C- Bdellovibrios D- Spirochetes
Description : The photosynthetic pigments used by the green sulfur bacteria and some archaeal species are a. Chlorophyll b. Bacteriochlorophyll c. Cytochrome d. Sulfate
Last Answer : b. Bacteriochlorophyll
Description : Bacteria, as a group, are responsible for A.nitrogen oxidation B.sulfur oxidation C.nitrogen fixation D.all of these
Last Answer : D.all of these
Description : Nitrogen oxidation (nitrification)refers to the A- conversion of ammonium ions into nitrates through the activities of certain bacteria B- changing of atmospheric nitrogen (N2) to nitrogen compounds C- sulfur is oxidized to the sulfate form through Thiobacillusbacteria D- none of the above
Last Answer : conversion of ammonium ions into nitrates through the activities of certain bacteria
Description : Gram-negative bacteria would stain_________ with the Gram stain and have _______in the wall. a. orange-red; Teichoic acid b. orange-red; lipopolysaccharide c. purple; peptidoglycan d. purple; Teichoic acid
Last Answer : c. purple; peptidoglycan
Description : The _______are members of the_____________ a. Green Algae; Protozoa b. Radiolarians; Apicomplexans c. Dinoflagellates; Phytoplankton d. Radiolarians; Fungus-Like Protists
Last Answer : c. Dinoflagellates; Phytoplankton
Description : What is the primary source of food for marine life? A.Phytoplankton B.Zooplankton C.Sea weed D.Grass
Last Answer : A.Phytoplankton
Description : The first photosynthetic oxygen liberating organisms to appear on earth were (1) Cyanobacteria (2) Bryophytes (3) Green algae (4) Bacteria
Last Answer : (1) Cyanobacteria Explanation: Cyanobacteria or blue green algae were the photosynthetic organisms that lived in the ancient ocean. It liberated the oxygen found in the iron oxide.
Description : Chemoautotrophic bacteria obtain the energy they need from a. The Reactions Of Photosynthesis. b. Sunlight. c. Carbon Dioxide In The Atmosphere. d. Inorganic Chemicals.
Last Answer : b. Sunlight.
Description : Cyanobacteria have A-a gram-positive cell wall B- a gram-negative cell wall C- Neither (a) nor (b) D-No cell wall
Last Answer : a gram-negative cell wall
Description : The phylum Cyanobacteria are unique because they _____. a. convert nitrogen to a useable form b. are poisonous c. photosynthesize d. have a waxy cell wall
Last Answer : c. photosynthesize
Description : The use of oxygen gas (02) in an exergonic pathway generating ATP is called a. Anaerobic Respiration. b. Photosynthesis. c. Aerobic Respiration. d. Fermentation.
Last Answer : c. Aerobic Respiration.
Description : Do all bacteria require oxygen for growth?
Last Answer : Many bacteria are aerobic; that is, they require oxygen to grow and perform the biochemical reactions of their metabolism. There are, however, a large number of bacterial species that are ... obligate anaerobes, while others are facultative anaerobes, meaning that they live with or without oxygen.
Description : Pick up the correct food chain. (a) Grass → Chameleon → Insect → Bird (b) Grass → Fox → Rabbit → Bird (c) Phytoplankton → Zooplankton → Fish (d) Fallen leaves → Bacteria → Insect larvae
Last Answer : (c) Phytoplankton → Zooplankton → Fish
Description : $ The first photosynthetic organisms which show oxygenic photosynthesis were cyanobacteria. ! Photosynthesis by Eubacteria is Anoxygenic.
Last Answer : $ The first photosynthetic organisms which show oxygenic photosynthesis were cyanobacteria. ! Photosynthesis by ... If both As and R are wrong.
Description : $ The oldest microfossils of organisms resemble the modern day cyanobacteria. ! Cyanobacteria have oxygenic photosynthesis.
Last Answer : $ The oldest microfossils of organisms resemble the modern day cyanobacteria. ! Cyanobacteria have oxygenic ... . If both As and R are wrong.
Description : Cancer cells interfere with cell functions in all the following ways except: a. they rob cells of their nutrients and induce cell starvation. b. they stimulate the immune system to produce destructive ... reduce the oxygen supply to cells. d. they overwhelm cells through sheer force of numbers.
Last Answer : b. they stimulate the immune system to produce destructive interferons.
Description : Cyclic phosphorylation is generally present in a. Cyanobacteria b. Algae c. Bacteria d. Plants
Last Answer : Ans: A
Description : In which kingdom bacteria and cyanobacteria are placed? Why?
Last Answer : Bacteria and cyanobacteria are prokaryotes and so are placed in kingdom Monera.
Description : Which one of the following statements is wrong? (a) Eubacteria are also called false bacteria. (b) Phycomycetes are also called algal fungi. (c) Cyanobacteria are also called blue-green algae. (d) Golden algae are also called desmids.
Last Answer : (a) Eubacteria are also called false bacteria.
Description : The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorisedas (a) cyanobacteria (b) archaebacteria (c) chemosynthetic autotrophs (d) heterotrophic bacteria.
Last Answer : (d) heterotrophic bacteria
Description : The most abundant prokaryotes helpful to humans in marking curd from milk and in production of antibiotics are the ones categorised as (1) Heterotrophic bacteria (2) Cyanobacteria (3) Archaebacteria (4) Chemosynthetic autotrophs
Last Answer : (1) Heterotrophic bacteria
Description : Competence refers to a bacterial cell's ability to a. Take Up DNA Fragments From The Environment. b. Be Infected By A Transducing Phage. c. Produce A Protein Product From An Engineered Gene. d. Undergo Conjugation With An F+ Cell.
Last Answer : a. Take Up DNA Fragments From The Environment.
Description : Oxygen is not produced during photosynthesis by (a) Green sulphur bacteria (b) Nostoc (c) Cycas (d) Chara.
Last Answer : (a) Green sulphur bacteria
Description : Oxygen is not produced during photosynthesis by (1) Green sulphur bacteria (2) Nostoc (3) Cycas (4) Chara
Last Answer : (1) Green sulphur bacteria
Description : Which of the following gases do plants and trees give out during photosynthesis? A. Hydrogen B. Nitrogen C. Oxygen (Answer) D. Carbon dioxide
Last Answer : C. Oxygen (Answer)
Description : Glucose is to photosynthesis as pyruvate is to _____. a. Oxidative Phosphorylation b. Glycolysis c. Fermentation d. Citric Acid Cycle
Last Answer : a. Oxidative Phosphorylation
Description : Which one of the following is correct sequence for the flow of electrons in the energy-fixing reactions of photosynthesis? a. Water-photosystem 1-photosystem II-NADPH b. Photosystem I-NADPH-water- ... --- photosystem II------ photosystem I-NADPH d. NADPH-photosystem Il-photosystem I-water
Last Answer : d. NADPH—photosystem Il—photosystem I—water
Description : Which of the following(s) is/are the products of the light reactions of photosynthesis? A.ATP only B.NADPH only C.ATP and O2 only D.ATP, NADPH, and O2
Last Answer : D.ATP, NADPH, and O2
Description : All of the following are features of prokaryotes except A- nitrogen fixation B- photosynthesis C- sexual reproductionD- .locomotion
Last Answer : sexual reproduction
Description : _______ was first used to catalog organisms into one of three domains. a. Photosynthesis b. Ribosomal RNA genes c. Nuclear DNA genes d. Mitochondrial DNA genes
Last Answer : b. Ribosomal RNA genes
Description : Where do White Oak trees get their name from?
Last Answer : The white oak is named for its whitish bark and grey twigs
Description : What is the most effective way to plant oak trees (and other questions?)
Last Answer : Uncover some ground and push them in several inches, then they will take care of themselves in the spring. put them someplace so you can monitor them in case you want to move them.
Description : What causes Valley Oak trees to make noise?
Last Answer : All trees creak, that’s one of the reasons it’s so scary to go walking in a forest at night. When wood gets warm the liquid in the cells expand, and when they cool, they contract. This can cause sounds that can actually sound like talking.
Description : How do I kill Spanish moss from Oak trees?
Last Answer : Need Answer
Description : My oak trees are dying. The leaves have a yellow fuzzy growth on them what is this
Last Answer : It sounds like a fungus.
Description : Why are my oak trees dying from the top down?
Description : why does oak trees suddenly die?
Description : why are the oak trees turning brown so early in this year
Description : One of my oak trees the leaves are wilting.
Description : worms are eating the leaves on my crab apple trees and oak. How do I get rid of them.
Last Answer : Now that it is spring time spray with Dormant oil.
Description : How do I grow scrub oak trees?
Last Answer : JUst plant the acorns in the soil and water. The plant will do the rest.
Description : Silver oak and banana trees are grown on coffee plantations. -SST 10th
Last Answer : Silver oak and Orange trees protect the coffee plantations from the direct sunrays. It also provides extra income to the farmers.
Description : What does oak trees and birch trees have in common?
Last Answer : They are both trees. They are both deciduous and there the communality ends.
Description : Why do oak trees grow in winter?
Last Answer : In temperate climates (Britain's weather), the growing season of oak trees is from the warming up of Spring to the cooling down of Autumn. Having lost their leaves in Autumn, the oak trees are ... will only wake when the sap begins to rise again with the warming and lengthening hours of daylight.