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ICE Princess25 [194]
3 years ago
9

Since the beginning of the Solar system, all planets orbit or revolve around the barycenter of the solar system in a countercloc

kwise direction. true or false?
Biology
1 answer:
Ksju [112]3 years ago
4 0

Answer:

True

Explanation:

Barycenter is the center of mass of an object. Since the beginning all planets and sun have been revolving around their center of mass. This center of mass evidently is the center of the solar system . The satellite, planet and sun has been revolving and rotating in the counterclockwise around the barycenter as well as their axis

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Explanation:

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2 years ago
Griffith called the process he observed transformation because
Y_Kistochka [10]

Answer:

c. The harmless bacteria had been transformed.  

Explanation:

Fredrick Griffith carried out the first experiment that showed bacteria can get DNA by transformation in 1928.

He used two different strains of the bacteria Streptococcus pneumoniae a)type-III-S or smooth strain-Covered by a protective polysaccharide capsule hence lethal

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In his experiment he observed heat killed Type-III-S strain was not able to kill the mice. However, when its remains was added with rough strain then the blend was able to kill the mice.

When he collected blood  from the dead mice it had live strains of both smooth and rough type.

He came to a conclusion that non-lethal type II-R strain was transformed into lethal type II-S strain by a "transforming principle"  that was supposed to be the part of dead III-S strain bacteria.

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3 years ago
Why do scientists use six kingdoms
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To classify animals and distinguish them
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3 years ago
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Which layer of the integument has a small population of immune cells?
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Answer:

The stratum basale

Explanation:

The stratum basale contains basal keratinocytes, immune cells such as Langerhans cells and T cells, and melanocytes that provide the skin with pigmentation.Apr 12, 2019

4 0
2 years ago
PLEASE ANSWER ALL THANKS :) <br> ONLY ANSWER IF YOU KNOW YOU ARE RIGHT<br> 25 POINTS :)
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Just go down one by one and be careful !! Don't mismatch.

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9) Moon

10) Sun

Hope this helps!
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2 years ago
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