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masha68 [24]
3 years ago
11

Michael took a swab of bacteria from a Petri dish and placed it on a glass slide. Then he treated the sample with a series of dy

es.
For which type of microscope is the sample prepared?
​
Biology
2 answers:
pogonyaev3 years ago
7 0
Compound microscope/compound light microscope

they’re the same thing
rewona [7]3 years ago
6 0

Answer:

Compound Microscope

Explanation:

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) Imagine that you are studying a newly discovered bacteria from a hot spring in Yellowstone National Park. You examine the nitr
ikadub [295]

Answer:

Cytosine- 40%

Explanation:

DNA is the genetic material in virtually all living organisms. It is a molecule made up of long chains of nucleotides, which are its building block. Four types of nucleotides make up the DNA molecule viz: Adenine (A), Thymine (T), Guanine (G), and Cytosine (C).

According to Erwin Chargaff in his rule regarding DNA composition, he stated that in a DNA molecule, the amount of adenine must equal thymine while that of guanine must equal cytosine. In a nutshell, the total of all the base pair must equally be 100% i.e. (A + T) + (G + C) = 100%.

In this case where a newly discovered bacteria from a hot spring in Yellowstone National Park was found to contain 10% of adenine in its DNA. Since Adenine is 10%, Thymine base must also be 10% in accordance to Chargaff's rule.

Hence, 10% + 10% + (G + C) = 100%.

20% + G + C = 100%

G + C = 100 - 20

G + C = 80%

Since, G and C must be equal, then G = C = 80% ÷ 2 = 40%. This means that the percentage of cytosine will be 40%.

5 0
2 years ago
The chromosomes in the illustration are
Bas_tet [7]
Homozygous for allele A and heterozygous for allele B. So the answer would surly be D.
7 0
3 years ago
Read 2 more answers
(iv) Measles. Mumps, Diphtheria Polio odd one​
tino4ka555 [31]

Answer:

polio

Explanation:

please mark me as brainliest

3 0
3 years ago
Read 2 more answers
Salmon eggs hatch in fresh water. The fish then migrate to the ocean (a hypertonic solution) and, after several years of feeding
Ray Of Light [21]

Answer:

Letter C

Explanation:

Salmon have a physiological adaptation that allows osmoregulation to occur in two different environments (seawater and freshwater). There are specific molecules in the salmon gills that "pump" and "remove" Na and Cl ions. When at sea these molecules pump the ions out of the salmon's body and into freshwater, the same molecules remove Na and Cl from the water bringing it into the animal's blood.

3 0
3 years ago
True or false: alleles for the same trait are at different locations on homologous chromosomes​
sergejj [24]

Answer:

<h3>TRUE</h3>

Explanation:

I HOPE ITS HELP YOU;)

8 0
3 years ago
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