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adell [148]
2 years ago
12

The description "9+2 array" in cells refers to ____. spindles mircotubles microfilaments asters vacuoles

Biology
1 answer:
Firdavs [7]2 years ago
3 0

This refers to microtubles that make up a flagella.

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Joyce is planting tulips in her garden, and she has 5 red bulbs and 5 white bulbs to plant in one row. What is the probability t
Stolb23 [73]

Answer:

\frac{1}{126} or 0.0079.

Explanation:

Joyce is planting tulips in her garden.

Number of red (R) bulbs = 5

Number of white (W) bulbs = 5

Total number of ways to plant 10 bulbs in one row is

\text{Total ways}=\frac{10!}{5!5!}

\text{Total ways}=\frac{10\times 9\times 8\times 7\times 6\times 5!}{5\times 4\times 3\times 2\times 1\times 5!}

Cancel out common factors.

\text{Total ways}=252

It is given that she randomly plants the bulbs so that all 5 red bulbs are next to each other and all 5 white bulbs are next to each other.

Required outcomes are

RRRRRWWWWW and WWWWWRRRRR

\text{Required outcomes}=2

Formula for probability:

Probability=\frac{\text{Required outcomes}}{\text{Total ways}}

Probability=\frac{2}{252}

Probability=\frac{1}{126}

Probability\approx 0.0079

Therefore the required probability is \frac{1}{126} or 0.0079.

5 0
3 years ago
Which timeline shows the correct order of contributions made to the discovery of DNA?
Anna11 [10]

Answer:

The correct answer is B.

Explanation:

DNA was discovered in 1800, and then scientists studied DNA with X-Rays. After a while, scientists published a 3D model of DNA, and shortly after, scientists decoded DNA genes. So the answer is Option B.

Hopefully, this helps! :D

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7 0
2 years ago
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A __________ is the preserved remains of living organisms arranged by age.
ludmilkaskok [199]

Answer: Fossil

Explanation:

3 0
3 years ago
How did the temperature relate to the “recommended temperature limit” (solid horizontal red line)?
Advocard [28]

Answer:

The “recommended temperature limit” indicates limit of the temperature that is good for our world.

Explanation:

The temperature related to the “recommended temperature limit” means that in the graph there is a limit of temperature for our world's environment. if the temperature is between this limit, there is less or no adverse effect on our environment while on the hand, if the temperature exceeds from this limit, then it adversely affected our world because the concentration of carbondioxide gas in the atmosphere increases due to this increase temperature..

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2 years ago
A woman is 6 weeks pregnant. she has had a previous spontaneous abortion at 14 weeks of gestation and a pregnancy that ended at
11Alexandr11 [23.1K]
So she didn't get abortion then 
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3 years ago
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