Answer: D, A, C
Explanation: Cell Wall, Plasma Membrane, Flagella
Answer:
Secondary succession generally occurs more rapidly in an area than does primary succession because soil formation has already occurred.
Explanation:
- Primary succession is the sequential change in environment and community which is a new habitat for example,the formation of an island.
- Similarly secondary succession is also the change in environmental factors that occurs in a disturbed community which has been colonized already.
- Secondary succession always starts after the primary succession so it generally occurs faster that primary succession.
- For example the formation of soil is the primary succession for a new habitat that makes the secondary succession faster.
Please sort the following statements as being true or false regarding fermentation and its role in food production. Please recall the role that microorganisms can play in the production of foods.
Answer:
1. False statement
2. False statement
3. True statement
4. False statement
Explanation:
1. Yeast is a microorganism which is also used in fermentation process.
2. Fermentation can however be used for various reasons, including: development of flavours, preservation and enrichment of foods, reduction of food cooking time etc.
3. Starter culture is considered to be a form of microbiological process which is used to initiate a process of fermentation.
4. Fermentation is considered to be a desired action of microorganisms
Answer:
12 molecules of ATP can be made from one molecule of acetyl CoA.
Explanation:
If one molecule of acetyl CoA enter TCA cycle then it result in the formation of 3 molecules of NADH,1 molecule of FADH2 and 1 molecule of GTP that is equivalent to 1 molecule of ATP.
Now the reducing equivalent such as NADH and FADH2 enters electron transport chain and get oxidized to regenerate NAD+ and FAD along with ATP. 1 molecule of NADH produces 3 molecules of ATP whereas 1 molecule of FADH2 produces 2 molecules of ATP.
So that net gain of ATP is given below
3 molecules of NADH = 9 molecules of ATP
1 molecule of FADH2 =2 molecules of ATP
1 molecule of GTP = 1 molecule of ATP
As a result total 12 molecules of ATP is by the oxidation of 1 Acetyl CoA by TCA cycle .
Answer:
transcription: DNA -> mRNA
Explanation:
transcription is when the DNA is unzipped and then copied onto the mRNA.
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