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maks197457 [2]
2 years ago
7

Living things need carbon to make

Biology
2 answers:
Debora [2.8K]2 years ago
7 0

Answer:

4

Explanation:

Because all the living things need carbon to make protein,carbohydrates,lipids

Hoochie [10]2 years ago
6 0

Answer:

the answer is 4. all of the above

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Two insecticides will be compared for their effectiveness in eliminating aphids on tomato plants. Forty tomato plants of the Big
densk [106]

Answer:

The t-test

Explanation:

<em>The researcher should use a t-test to compare the two means and check if they are significantly different from each other.</em>

In using the t-test, both null (H0) and alternate (H1) hypothesis are made such that:

  • H0: n1 = n2
  • H1: n1≠ n2

Thereafter, the value of t is calculated and compared to its critical value on the table. The formula for calculating the t goes thus:

t = \frac{Y_1 - Y_2}{\sqrt{\frac{S_1}{n_1} + \frac{S_2}{n_2}  } }

where, Y1 = mean of population 1, Y2 = mean of population 2, S1 = variance of population 1, S2 = variance of population 2, n1 = number of individuals in population 1 and s2 = number of individuals in population 2.

<em>At the end of the day, if the calculated t value is more than the critical value of t, the H0 is rejected and it shows that the two means are significantly different. Otherwise, the H0 is accepted and this shows that there is not significant difference between the mean of population 1 and that of 2.</em>

7 0
3 years ago
In your research, you expose a culture of amoebae to mutating radiation and then isolate a mutant cell that is unable to move (i
svetoff [14.1K]

Answer:

Option E is correct.

Explanation:

It is also known as DNA replication which is biological action where two identical replicas of a DNA from one original DNA molecule is formed, the cell usually have distinct divisional property..

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2 years ago
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Which of the following is true about a light-year?
Yakvenalex [24]

Answer:

D) It is a measure of distance.

Explanation:

I belive is the answer

5 0
3 years ago
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How do hormones find their target cells, and what transports them to their target cells? (50 points)
ddd [48]

Answer:

Hormones activate target cells by diffusing through the plasma membrane of the target cells. Hormones circulate throughout the body via the blood, contacting just about all cells. The "target" cells for a particular hormone have receptors, either on the cell membrane

Explanation:

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2 years ago
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The nurse is assessing an expectant female who is suspected to have varicella-zoster (vzv). what assessment findings would indic
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A) What assessment findings would indicate VZV
The nurse should expect the woman to have rashes and also pain. The pain may be expressed as stabbing,throbbing and or burning. The pain will also be experienced along the sensory nerves. The woman may also experience palpation in the areas involved.

B) What complications should be monitored for if VZV is present
The precautions that should be monitored by the nurse are varicella pneumonia, encephalitis and preterm labor. These complications should be monitored to ensure the safe delivery of the mother and also survival of the baby and the expectant mother when she is giving birth.

C) Explain the signs of magnesium toxicity.
Magnesium sulfate can be very helpful to the body but a large amount of magnesium can be harmful. Its symptoms include cardiac dysrhythmias, respiratory depression, absence patellar deep tendon reflexes, decreased level of consciousnesses, urine output of 80ml in 4 hours.

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