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ruslelena [56]
2 years ago
7

Living things need to maintain their internal environment . This is known as homeostasis What role does homeostasis play in cont

rolling the rate of chemical reactions in our bodies ?
Biology
1 answer:
barxatty [35]2 years ago
5 0

Answer:

Homeostasis is the tendency to resist change in order to maintain a stable, relatively constant internal environment. Homeostasis typically involves negative feedback loops that counteract changes of various properties from their target values, known as set points.

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What are "blank" cells called?
JulijaS [17]
If you are checking a cell for a zero value and the cell is blank, the test evaluates to true. For example, if you have the following formula in cell A1 =IF(B1=0,"zero","blank") and B1 is blank, the formula returns "zero" and not "blank" as expected.

If the range might contain a blank cell, you should use the ISBLANK function to test for a zero value, as in the following example: =IF(ISBLANK(B2),"blank",IF(B2=0,"zero","other")) Note that the above formula returns "zero" if there is a zero value in the cell, "blank" if the cell is blank, and "other" if anything else is in the cell.

You must always use the ISBLANK formula first before you test for a zero value. Otherwise you will always return a "true" for the zero value, and never get to the test for the ISBLANK formula.
7 0
3 years ago
A study was conducted in men aged 40-70 in order to determine whether exercising for 2 or more hours per week decreases the like
Blizzard [7]

Answer: alternative A.

Explanation: In this case, we will consider people that already have had a heart attack. In this specific group of 1,000 people, 236 exercised regularly and had gone through this situation.

We can infer that 23.6% of people who exercised regularly have experienced that by dividing 236/1,000= 0.236= 23.6%.

If 236 people exercised, 1,000-236=764 didn't exercise regularly prior to their heart attacks, so 74.6% were considered to be sedentary.

If there's 0.236 chance out of 1 to exercise and still have a heart attack compared to 0.764 out of 1 to be sedentary and have the same experience, we can divide both ratios to compare them, so 0.236/0.764= 0.3089.

Alternative A claims that people who exercise have around 0.5 chance of having heart attacks compared to people who don't. Since our ratio resulted in 0.3089, we consider this number the closest to 0.5. Alternative <u>B is absurd because in order for people who exercise to have 2x the risk compared to people who don't, the number of people who exercised and went through that must be 2x bigger than people who didn't</u>. Alternative <u>C doesn't apply as well, because we already verified that the chance people who exercise have a heart attack equal to 23,6%. </u>

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5 0
3 years ago
Why the dodo was placed in the kingdom animalia?
BaLLatris [955]
The dodo was placed in the animalia kingdom because it corresponds to all the characteristics that define it as part of it.
3 0
3 years ago
Test your knowledge about the structural differences between the somatic motor nervous system and the autonomic nervous system.
Len [333]

Answer: TEST YOUR STRENGTH!!!!! (mortal kombat reference btw) sorry if that dosnt help idk what it is

7 0
2 years ago
How are sexual reproduction and asexual reproduction different from each other?
max2010maxim [7]

Answer:

A

Explanation:

Asexual reproduction is a type of reproduction where offspring comes from a single parent.

B is incorrect because asexual reproduction requires only one individual, while sexual reproduction requires two.

C is incorrect because mutation rates are not lower in sexual reproduction than in asexual reproduction.

D is incorrect because lots of single-celled organisms, like bacteria, reproduce asexually.

4 0
3 years ago
Read 2 more answers
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