BIOLOGY HIGH SCHOOL

Along with plants and algae, in which organisms can photosynthesis occur?

Answers

Answer 1
Answer: Both photosynthetic organisms.

The one component in photosynthesis that can't be recycled but must be constantly available is energy.

Light energy, mostly from sunlight, is the main requirement for photosynthesis to occur. 

Photosynthesis is a process wherein light energy is converted into chemical energy. 

Chemical energy is generated to support the various activities of a plant or an organism.

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COLLEGE

Under normal circumstances, what method does not lead to water intake? under normal circumstances, what method does not lead to water intake? osmosis food beverages metabolism

Answers

Answer: Osmosis

Explanation: Our body can get water from both food and beverage, therefore option 2 and 3 are incorrect. Metabolism of food inside the body cells, also lead to formation of water molecules. Thus, body gets metabolic water as well. Since human cells, don't absorb water through osmosis. Diffusion is the main process responsible for water uptake.

The Answer Is:Osmosis
MIDDLE SCHOOL

Which of the following organisms could be used to make bread dough rise

Answers

Answer:

Used to make bread.

Explanation:

Yeast is a single-celled fungus. It is able to ferment sugar, producing alcohol and carbon dioxide in the process. It has long been used to make beer and wine as well as bread (the carbon dioxide causes the dough to rise).

MIDDLE SCHOOL

Which occurs during the Krebs cycle? Question 4 options:

breaking down pyruvate

capturing light energy

creating glucose molecules

producing ethyl alcohol

Answers

Answer:

Breaking down of pyruvate  occurs during the Krebs cycle

Explanation:

Krebs cycle being the most important process of aerobic respiration. During kreb’ s cycle pyruvate is broken down to acetyl CoA which interacts with oxaloacetate to form the first metabolite of Krebs cycle known as citrate which contain 3 -COOH group That’s why kreb’ s cycle is also termed as Tricarboxylic acid cycle. The kreb’ s cycle happens in the mitochondrial matrix and generates a lot of chemical energy such as (ATP, NADH, FADH2) by the process of oxidation of the pyruvate and which is also measured as the end product of glycolysis.

MIDDLE SCHOOL

List four methods that can be used to separate mixturea and give an example of each method​

Answers

Distillation, Filtration, evaporation, and Chromatography

The filtration process is generally used to separate a suspension mixture where small solid particles are suspended in liquid or air.

Distillation uses boiling to separate mixtures of liquid solutions. It takes into account that different substances in the mixture will have different boiling points..

Chromatography is the separation of a mixture by passing it in solution or suspension or as a vapor (as in gas chromatography) through a medium in which the components move at different rates

Evaporation is a technique used to separate out homogenous mixtures where there is one or more dissolved solids. This method drives off the liquid components from the solid components

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