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maxonik [38]
3 years ago
10

A company is testing a new weight-loss supplement. For the study, the company enrolled 189 obese or overweight middle-aged peopl

e who agreed to take a weight-loss supplement for eight weeks. Half took the supplements and half took a placebo. A representative portion of their results is shown in the table below. What conclusions can you draw from this portion of the results? (2 points)
Biology
2 answers:
g100num [7]3 years ago
4 0
The supplement seems to be effective, but more trials are necessary.
sveticcg [70]3 years ago
3 0
The supplement seems to be effective, but more trials are necessary.
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You inoculate two tubes of liquid culture medium with 100 bacterial cells and incubate one tube at 37°C and the other at 55°C. A
Nady [450]

Answer:

thermophile.

Explanation:

A thermophile is a kind of bacteria that belongs to the Archaea Domain and they are the kind of animals that can live in a region of high or extreme temperature. There has been a research on a kind of thermophile which is known as Methanopyrus kandleri which can exist in an extreme temperature of up to 500° C.

So, if we take a look at the question again we can see that after 48 hours and at 37°C 20,000 bacteria per milliliter are already in the tube and at more higher temperature of 55°C we have 1,568,000 bacteria per milliliter which means that at higher temperature more of the bacterial is produced.

5 0
3 years ago
Help Asap. i also need explanations to go with the answer
nlexa [21]

Answer:

D. In an ocean heated by volcanic activity

Explanation:

Most of Earth was covered in water, early organisms weren't evolved enough to walk on land at the time. There are some organisms that feed off of volcanic activity and use it as an energy resource and would adapt to the heat.

<em>"Hot spots create volcanoes on the seafloor. If these volcanoes rise above sea level to become islands, and if they occur in tropical waters, coral reefs will form on them. Since the volcanoes are cones, the reef forms in a circle around the volcano."</em>

<em>-</em><u>https://courses.lumenlearning.com/earthscience/chapter/ocean-organisms/</u>

<em>"Discovered only in 1977, hydrothermal vents are home to dozens of previously unknown species. Huge red-tipped tube worms, ghostly fish, strange shrimp with eyes on their backs and other unique species thrive in these extreme deep ocean ecosystems found near undersea volcanic chains."</em>

<em>-</em>https://ocean.si.edu/ocean-life/invertebrates/hydrothermal-vent-creatures

7 0
3 years ago
Which of the following statements concerning viruses is true?
zysi [14]

Answer:

The second statement is correct: "The "host range" for a virus is determined by the presence or absence of particular components on the surface of a host cell that are required for the virus to attach."

Explanation:

The virus attaching itself to the host cell is the first step for it to successfully infect the host. Viruses are smaller in size than bacteria, so the first statement is incorrect. The third statement is incorrect because viruses do not have the necessary machinery to carry out protein synthesis or to generate ATP, this precisely why they seek out a host to begin with. The fourth statement is false because the virus will either have DNA or RNA, but both at the same time.

Hope that answers the question, have a great day!

6 0
3 years ago
The scientific method cannot be used to study which of the following phenomena
zheka24 [161]

Science cannot prove or refute the existence of God or any other supernatural entity.

8 0
3 years ago
Read 2 more answers
¡AYUDA! No entiendo...
leonid [27]
Is c a and b i hope im right
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3 years ago
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