Correct option - B
Two two organelles are :
- Organelle A - Chloroplast
- Organelle B - vacuoles
Because, Chloroplasts are the special organelles present in only plant cells. and vacuoles are smaller in size in animal cells as compared to the plant cells.
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exposure to drugs causes mutations which produce drug-resistant populations of microbes.
<h3>What is the effect of using same type of drug?</h3>
Drug-resistant populations of microbes arise when the exposure to drugs causes mutations because this exposure produce resistance which leads to mutation in the organism. Due to this mutation, the drugs did not work on the organism anymore.
So we can conclude that exposure to drugs causes mutations which produce drug-resistant populations of microbes.
Learn more about mutation here: brainly.com/question/17031191
Answer: Kidneys are the organs which are present besides the vertebral coloumn behind the peritoneum covered in a mass of fat and loose aerolar tissue along the posterior abdominal wall.
Explanation:
Kidneys are the bean shaped organs which are responsible for excretion and maintaining the pH and elctrolyte balance of the body. They are the part of urinary system.
There are two kidneys in the body.
They lie along the posterioir abdominal wall on the either side of the vertebral column behind spleen and peritoneum. This is because they are called retroperitoneal organs. Left kidney is slighlty higher than the right kidney because liver is present on the right side which pusehes the right kidney a little lower. They typically extend from T12 to L3. Kidneys are covered by a capsule, fibrous mass of tissue and fat and aerolar tissue.
Answer:
Oxygen and pyruvate.
Explanation:
The krebs cycle is a stage of cellular respiration and occurs in aerobic organisms. In this case, we can say that the Krebs Cycle only occurs in the presence of oxygen, being essential for the completion of cell respiration.
The Krebs cycle only occurs after the completion of glycolysis, as it needs to be initiated by pyruvate, which is a molecule resulting from glycolysis. In this case, in addition to oxygen, the presence of pyruvate is essential for the krebs cycle to occur.
I did this with my teacher , it’s B