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hammer [34]
3 years ago
10

I don’t get it and I need help and answers please thank you

Biology
1 answer:
mrs_skeptik [129]3 years ago
8 0
4. The purpose of having a light source on a microscope is to allow better viewing.
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Eating chocolate may cause pimples hypothesis ​
viktelen [127]

Answer:

Yes...

Explanation:

Hypothesis is a proposed explanation made by reasoning without assuming what the truth is..

From the question;

Formal hypothesis: Eating chocolate may cause pimples because chocolate will result to an increment in the amount of oil in the skin and this will result in pimples.

2. Salt in water can affect plants growth.

Formal hypothesis: plants grow beside the ocean will grow slower because the salt present in the soil will destroy the root of plants.

8 0
3 years ago
BRAINLIEST! PLEASE HELP!
777dan777 [17]

Answer:

refraction.

Explanation:

refraction is the bending of light whereas reflection is bouncing of the light.

4 0
2 years ago
Read 2 more answers
Over 1,800 mutations have been described within the CFTR gene. These mutations can be readily detected using PCR and DNA sequenc
sertanlavr [38]

Answer:

The correct answer is - option C.

Explanation:

CFTR is a short form of cystic fibrosis transmembrane conductance regulator protein which is caused by a recessive mutation in this protein. This mutation results in the accumulation of mucus in secretory organs.

As the disease is a recessive disease, for the mutant phenotype to expressed both copies of the allele required to be recessive.

The mother is negative for the CFTR. Hence, she will not transfer the mutant allele to her child So, the child would have a wild-type phenotype even if the father having two copies of recessive allele.

Thus, the correct answer is - option C.

8 0
3 years ago
How are amino acids arranged?
serious [3.7K]
A peptide bond is formed by a condensation (water-loss) reaction between the carboxyl group of oneamino acid<span> and the </span>amino<span> group of the next </span>amino acid<span> occurring in a protein. Thus, proteins are formed by the linear </span>arrangement<span> of </span>amino acids<span> in a particular order</span>
8 0
3 years ago
How can scientists use owl pellets to study the skeletal systems of small mammals in a specific ecosystem
Allushta [10]

Answer:

They use them so that they can see what type of organisms live there.

Explanation:

4 0
3 years ago
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