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Alja [10]
2 years ago
9

What happen if a person has brain injury?

Biology
1 answer:
dimaraw [331]2 years ago
6 0

Answer:

Mild traumatic brain injury may affect your brain cells temporarily. More-serious traumatic brain injury can result in bruising, torn tissues, bleeding and other physical damage to the brain. These injuries can result in long-term complications or death.

Explanation:

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Active and passive transport of solutes across a membrane typically differ in which of the following ways? A] Active transport i
olya-2409 [2.1K]
Out of the choices given, active and passive transport of solutes across a membrane typically differ because active transport always involves the utilization of cellular energy, whereas passive transport does not require cellular energy. The correct answer is B. 
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3 years ago
Which animal is native to a different part of the world than the other two? walrus polar bear penguin.
salantis [7]

Penguin is an animal that is native to a different part of the world other than the other two

<h3>What is native species?</h3>

Native species refers to species of organisms that of a particular origin. They are organism found in a location where they are native to or have there origin there .

Therefore, Penguin is an animal that is native to a different part of the world other than the other two

Learn more about native species below.

brainly.com/question/14188968

#SPJ1

5 0
2 years ago
When pink sweet peas were self-pollinated and the seeds were collected and sown, the following flower colors were obtained: Red
Pavlova-9 [17]

Answer:

c. 1:2:1

The results are consistent with incomplete dominance for this trait, with pink flowers being heterozygous.

Explanation:

If flower color were determined by a gene showing incomplete dominance, the possible genotypes and phenotypes are as follows:

  • RR- red
  • ww - white
  • Rw - pink

If pink sweet peas are self-pollinated, then a cross between two heterozygous individuals is done (Rw x Rw).

<u>From this cross the expected ratios are:</u>

  • 1/4 RR (red)
  • 2/4 Rw (pink)
  • 1/4 ww (white)

So the null hypothesis is that the observed results exhibit a 1:2:1 ratio.

<h3><u>Chi square test</u></h3>

X^{2} = \sum \frac{(Observed - Expected)^2}{Expected}

<u>The observed frequencies were:</u>

  • 34 Red
  • 76 Pink
  • 40 White

Total 150

<u>The expected frequencies for our null hypothesis are:</u>

  • 1/4 x 150 = 37.5 Red
  • 2/4 x 150 = 75 Pink
  • 1/4 x 150 = 37.5 white

X^{2} = \frac{(34- 37.5)^2}{37.5} + \frac{(76- 75)^2}{75} + \frac{(40- 37.5)^2}{37.5}

X^2=0.5067

The degrees of freedom (DF) are calculated as number of phenotypes - 1; in this case DF = 3-1 = 2.

If we look at the Chi square table, for 2 DF and a probability of p0.05, the critical value is 5.991

Our X^2 value of 0.5067 is less than the critical value, so we do not reject the null hypothesis. The results are consistent with incomplete dominance for this trait, with pink flowers being heterozygous.

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A cat waiting by its bowl each morning for you to feed it is an example of an)_______ response to an _____ stimulus.
puteri [66]
I think A is the answer it makes the most sense to me
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Which part of the ear carry sound messages to the brain
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That would be your auditory nerve, I believe.
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