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Anarel [89]
3 years ago
6

Electron microscopy uses what type of light/energy?

Biology
1 answer:
11Alexandr11 [23.1K]3 years ago
5 0

<em>Electron microscopes use a beam of electrons rather than visible light to illuminate the sample.</em>

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How are the symbols written for alleles that share incomplete dominance? <br> Tysm ily ;)
kakasveta [241]
In incomplete dominance, heterozygous<span> phenotype is intermediate between two homozygous phenotypes. In this case, the symbols for alleles are capital letters. For example, allele A is responsible for red color of a flower, allele B is responsible for white color of the flower. Red flower plants have AA genotype, and white flower plants have BB genotype. By crossing plants with red flowers and white flowers, due to incomplete variance, the offspring will be heterozygozs plants (AB) with neither red nor white flowers, but pink flowers. Pink flowers have intermediate color between red and white flowers.</span>

4 0
3 years ago
Which of the statement(s) is (are) not right __________. a. mRNA: contains protein-building instruction b. tRNA: deliver free am
Alina [70]

Hi there!

We can go through the overall function of all three of these:

mRNA: transcribed from the DNA, has the protein's composition written in it, and brings that to a ribosome where the protein will be made

tRNA: looks at the codons (set of 3 nucleotides) on the mRNA and brings amino acids which match up to that codon

rRNA: significant part of the composition of ribosomes

Now, looking at these, and back to the answer choices, we can already see that a, b, and c are correct. d, on the other hand, is incorrect.

Hope this helps! Feel free to let me know if you have any questions about this specific problem.

3 0
4 years ago
Color in poison dart frogs is controlled by a single gene with multiple alleles. A blue poison dart frog that is heterozygous fo
8_murik_8 [283]

Answer:

Cb>Cy>Co>Cr

Explanation:

First of al we need to do the Punnett square. As a result we get the genotypes:

CyCb

CyCr

CoCb

CoCr

Because there are no red frogs, red is the least dominant as it isn't expressed in any genotype.

Half of the progeny are blue and half of the possible genotypes contain the blue allele meaning that blue is expressed in all genotypes. This means that blue is the most dominant.

The only alleles left are yellow and orange. We can deduce that yellow is more dominant than orange because one of the parent frogs is yellow and contains the genes for yellow and orange.

As a result blue is the most dominant, yellow is the second most dominant, orange is the third most dominant and red is the least dominant.

7 0
3 years ago
Can someone help cause i only have 10 mins thank you
Serjik [45]

Answer:

All cells come from pre-existing cells

Explanation:

7 0
3 years ago
Which food has the most fat?
olga nikolaevna [1]

Answer: beef

Explanation:

7 0
3 years ago
Read 2 more answers
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