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miss Akunina [59]
3 years ago
9

A/an is a protein or carbohydrate chain which serves as a marker and helps the immune system to identify cells as self or foreig

n
Biology
1 answer:
elixir [45]3 years ago
4 0
I donot know but i think it is white blood cell
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Reagan is a young girl with a genetic developmental disorder. Her language development has been severely affected by this condit
gtnhenbr [62]

Answer:

Option D

Explanation:

Complete question

Reagan is a young girl with a genetic developmental disorder. Her language development has been severely affected by this condition, and as such she has been diagnosed with a specific language impairment. Which condition is NOT likely to have contributed to this delay?

A) autism spectrum disorder

B) Down syndrome

C) fragile-X syndrome

D) PKU

Solution

Phenylketonuria (PKU) is a kind of genetic disorder in which body starts producing and building up phenylalanine amino acid. PKU arises when the Phenylalanine hydroxylase enzyme is not synthesized due to a genetic defect thereby affecting creation of neurotransmitters such as epinephrine, norepinephrine, and dopamine. Some of the symptoms of this disorder are hyperactivity, seizures, eczema, tremors etc. PKU is not connected with language development issues and hence correct option is D

4 0
3 years ago
Which memory test would most effectively reveal that mr. marchman, at age 65, still remembers many of his high school classmates
Sladkaya [172]
<span>The memory test that would most effectively reveal that mr. marchman, at age 65, still remembers many of his high school classmates, is RECOGNITION test.  </span>Recognition memory <span>is the ability to recognize previously encountered events, objects, or people.</span>
6 0
3 years ago
Please help I’ll mark you as Brainlist or whatever.
Mariana [72]

Answer: a

Explanation:

Because the top predictors only eat meat, and not the plants, so if you take out the primary consumers, then the top predictors will begin to die out.

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Which step of the scientific method involves identifying a question of scientific interest?
blagie [28]
It is called Hypothesis
5 0
3 years ago
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Which of the following adaptations does not protect tundra organisms from heat loss?
Anvisha [2.4K]
D would be ur answer
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