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Elan Coil [88]
3 years ago
11

ASAP The levels of water and salt in the blood are controlled by the ________, which is controlled by the ________.

Biology
1 answer:
kap26 [50]3 years ago
6 0

Answer:

the hormone that regulates the salt and water levels is aldosterone found on the adrenal gland that sits above the kidney

Explanation:

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NEED HELP ASAP PLZ
Veronika [31]

Answer:

1.)True

2.)False

3.)True

Explanation:

that's all I can give

5 0
2 years ago
What is the optimum temperature for growth of<br> e. coli bacteria?
scoray [572]
The optimum temperature for growth of e. coli bacteria is around 37 degrees celsius and 98.6 degrees fahrenheit.
4 0
3 years ago
5. In 1928, Alexander Fleming noticed that a mysterious blue-green fungus had grown on some bacterial colonies that were known t
Otrada [13]

Answer:

The steps that can be seen in this story are observation and the questioning phase, which can also be called elaboration of the problem.

Explanation:

The scientific method is a set of phases that are able to guide researchers to the creation of scientific knowledge, through an experiment. This method is essential for conducting scientific research, allowing an experiment to be managed in a way that promotes answers to scientists' questions. The scientific method presents the phases called observation, questioning (or elaboration of the problem), elaboration of hypotheses, experimentation, analysis of the results and conclusion.

In the story shown in the question above, we can see the phases called observation and questioning. The observation takes place the moment Fleming noticed a fungus capable of growing on colonies of bacteria that cause throat infections, killing them. This observation made him enter the questioning phase, when he wondered if the fungus was able to prevent the growth of these bacteria.

8 0
3 years ago
Do you think that fungal cells have turgor pressure? Design an experiment to test your hypothesis.
valentinak56 [21]
Yes because they still need water to function. Fungal cells are interesting in that they have a cell wall like plant cells, but that cell wall ismade up of chitin.<span>They are also heterotrophic, normally feeding on dead organic material. Hope it helps. </span>
3 0
3 years ago
A mutant strain of yeast is able to produce 2 ATP for each glucose molecule digested in the absence of oxygen. What makes this s
Free_Kalibri [48]

Answer:

Explanation:

Normally, under anaerobic condition in yeast, pyruvate produced from glycolysis leads to the production of ethanol as shown below.

pyruvate ⇒ acetaldehyde + NADH ⇒ ethanol + NAD

The pyruvate is converted to acetaldehyde by the enzyme, pyruvate decarboxylase. It should be NOTED that carbon dioxide is released in this step. The acetaldehyde produced in the "first step" is then converted to ethanol by the enzyme alcohol dehydrogenase. It must be noted from the above that the steps are irreversible.

If a mutated strain of yeast is unique because it does not produce alcohol and lactic acid (which is referred to as toxic acid in the question); thus having a high level of pyruvate because of the presence of a novel enzyme.   <u>The function of this novel enzyme will most likely be the conversion of acetaldehyde in the presence of carbondioxide back to pyruvate; thus making that step reversible</u>. This could be a possible explanation for the high level of pyruvate present in the yeast.

6 0
2 years ago
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