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ololo11 [35]
3 years ago
9

1. An advertisement claims that three out of five dentists prefer a particular type of

Biology
1 answer:
Whitepunk [10]3 years ago
8 0

Answer:

The organization that paid for the study is biased.

Explanation:

The company that pays for the experiment would want their brand to be better than the others so they can adverse it as the best

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Which of the following are appropriate units for power?
Vlad [161]

Question: Which of the following are appropriate units for power?

A) newton·meter

B) watt

C) H.P./sec

D) joule/sec

Answer:

Watt  and Joule/sec are the appropriate units for power.

Explanation:

As per the question, the physical quantity given is power.

The power is defined as the rate of consumption of energy or the rate of doing work.

Let us consider W is the amount of work done by a body in time t .

Mathematically the power of that body is written as -

                                power p = \frac{W}{t}

The unit of work is joule and the unit of time is second.

Hence, the unit of power is joule/sec.

we know that one joule/sec. = one watt.

Hence, watt is also another unit of power. Newton-metre can not be a unit of power . It may be considered as a unit of work.

Similarly H.P/sec is also not a unit of power. Here H.P stands for horse power which is another unit of power . Hence, joule/sec. and watt are the appropriate units of power.

5 0
3 years ago
Read 2 more answers
How can invasive species alter an ecosystems food web?
Harlamova29_29 [7]

Invasive species can either replace an organism from the ecosystem food web or replace it.  

Explanation:

  • Invasive species are non-native species which can be animals, plants, micro-organisms, fish, etc. they are very much threatening to the native species and ecosystem food web.
  • Invasive species are spread by humans mostly, it happens unintentionally when people travel and all. Even climate change could be a reason for its spread.
  • So, it becomes threatening to native species because when you introduce it into a new ecosystem, it does not have a predator or control. It grows aggressively and takes over the resources for the native species.
4 0
3 years ago
Calculate the percentage ionization in these amino acid side chains at the ph values specified:
Margarita [4]

The <u>Henderson-Hasselbalch equation</u> and pKa can be used to determine the % ionization if it is assumed that the amino and carboxyl groups are not preventing ionization.

  1. aspartate at ph 5.4 = 98.3%
  2. glutamate at ph 11.8 = 100%
  3. histidine at ph 8.0 = 99%

Henderson-Hasselbalch equation- Henderson-Hasselbalch Equation to determine the pH of a solution. Knowing the pH of a solution is particularly significant for many chemical processes as well as for biological systems. The estimated pH value of a buffer solution may be determined using the Henderson-Hasselbalch equation.

pH- A solution's acidity or alkalinity may be determined based on the concentration of hydrogen ions in the solution, or pH. Typically, the pH scale runs from 0 to 14.

To know more about the Henderson-Hasselbalch equation, click on the below link,

brainly.com/question/13423434

#SPJ4

7 0
2 years ago
Structures in the cell
allochka39001 [22]

A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm. Within the cytoplasm lie intricate arrangements of fine fibers and hundreds or even thousands of miniscule but distinct structures called organelles.

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3 years ago
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Lactic acid fermentation occurs in
Wewaii [24]
Lactic acid formation occurs in B) The yeast cell.
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3 years ago
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