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vlada-n [284]
3 years ago
13

The greater the slope of the line of a speed graph, the __________ the average speed.

Biology
2 answers:
Lyrx [107]3 years ago
8 0
B. greater the average speed
Tom [10]3 years ago
7 0

Answer: Option B

Explanation: the steeper the slope of the line of the speed graph, the greater the average speed and also the acceleration.

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A cluster of tumor cells that produces and secretes growth factors to induce surrounding cells to grow and divide is showing paracrine type of cell-to-cell signaling.

<h3>Paracrine signalling : </h3>

it is a type of the cell signaling.

it ptomotes cellular communication in which a cell produce a signal to induce change in the nearby cells.also altering the behavior of these cells.

Example neurotransmitters.

<h3>What is cell signaling? </h3>

It is type of signaling process through which one cell can communicate with another cell.

It can be intercellular or intracellular.

Cell signalling molecules are of 5 types: they are

Intracrine signaling, Autocrine signaling, Juxtacrine signaling, Paracrine signaling ,Endocrine signaling

it involves both mechanical and biochemical pathway for signaling.

cell signaling strats at the binding of signal molecules to the receptors, then signal transduction where chemical signal activates the enzyme and final step is the collection of response.

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8 0
2 years ago
Name the organ systems that come in contact with the external environment
galina1969 [7]
The answer for this question would be Integument, digestive, respiratory and urogenital.
The largest system that contact with the external environment would be integument and digestive. That makes two system has normal flora of microbes and not sterile like the other systems. Normal flora of microbes will prevent the pathogen microbe grows so it gives some benefit. 
6 0
3 years ago
Which of the following is true of weather but not of climate
GREYUIT [131]
Where are the options
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3 years ago
Which of the following statements about aldosterone is NOT correct?
Olin [163]

Answer:

C. Aldosterone increases sodium reabsorption by increasing the number of Na+-K+ ATPase pumps in the luminal membrane of the proximal tubule.

Explanation:

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  • When the plasma sodium levels decrease and the plasma potassium levels increase the production of aldosterone hormone is stimulated for sodium is needed in the .body to maintain the high water levels in the body.
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The nucleus contains ______ and ______, giving it an overall _______ charge.
notka56 [123]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

The nucleus contains <u>protons</u> and <u>neutrons</u><u>,</u> giving it an overall <u>positive</u> charge.

6 0
2 years ago
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