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pashok25 [27]
3 years ago
7

The outer cell membrane is a type of exotoxin produced by bacteria. True False

Biology
1 answer:
Dafna11 [192]3 years ago
8 0

Answer:

TRUE

Explanation:

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Why is it important to have both negative and positive feedback loops in the body
ELEN [110]

Answer: positive feedback loops enhance or amplify changes. this tends to move a system away from its equilibrium state and make it more unstable. Negative feedbacks tend to dampen or buffer changes. this tends to hold a system to some equilibrium state making it more stable.

Explanation:

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2 years ago
A person that is sleeping on her stomach rolls over so that she is now sleeping on her back. The person moved from the ________
bogdanovich [222]
Sleeping on the stomach is "prone," on the back its "supine."
4 0
3 years ago
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Which culturing method proivded the clearest results, the semisolid medium tube or the soft agar plate?
sattari [20]
The answer to this question would be soft agar plate.

The semisolid medium tube is mostly used for containing the specimen. It is hard to examine semisolid medium since the bacteria can grow in the upper part, middle part or even the lower part of the medium. In agar plate, the bacteria always growth in the upper part so it is easier to count the bacteria.
But semisolid can give some more information in determining whether the bacteria is anaerobic by looking for bubble inside the medium. Anaerobic bacteria can do fermentation that will produce air.
5 0
3 years ago
The organic molecule called ______ is formed of branched chains of sugar units. it is used by humans (and other mammals) to stor
babymother [125]

Answer;

-Glycogen

The organic molecule called glycogen is formed of branched chains of sugar units.

Explanation;

-Glycogen is a branched polysaccharide of glucose that serves as a form of energy storage in humans, animals, fungi, and bacteria.

-In humans, glycogen is made and stored in liver and muscle cells. Muscle cell glycogen is broken down into glucose, and liver glycogen is broken down into glucose as a circulating energy source glucose for use by the body.

-Glycogen is accumulated in response to insulin and broken down into glucose in response to glucagon. It plays a major role in maintaining the blood-glucose levels, which is vital since some organs in the body such as the brain purely depend on glucose for energy.

3 0
3 years ago
A simplified model of protein synthesis is shown here: How might this model be revised to show a more accurate depiction of prot
Nady [450]

Answer:

<em>The correct options are:</em>

<em>Prior to process 1, DNA should copy itself to allow the cell to divide.</em>

<em>Between processes 1 and 2, the mRNA must be modified before leaving the  nucleus.</em>

Explanation:

For eukaryotes, the mRNA is made in the nucleus from the DNA. This process in known as transcription. The process of making proteins from the mRNA takes place in the ribososmes of the cytoplasm. This process is known as translation. The mRNA has to be modified before it is transported for translation. Otherwise, the mRNA will be degraded by the enzymes of the nucleus.

7 0
3 years ago
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