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lianna [129]
3 years ago
13

What do the “nodes” in a cladogram represent?

Biology
1 answer:
yanalaym [24]3 years ago
5 0
" As we follow along on a cladogram, it will split at nodes into two or more internodes a specitation event (the formation of new species). The line between two specification events, the internode, represents at least one hypothetical ancestor."
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A natural disaster caused a population of 4,695 organisms to migrate to a new habitat. A few generations after the disaster, it
Alex Ar [27]

Answer:

49.54

Explanation:

Given parameters:

Number of organisms in original habitat = 4695

Number of organism in new habitat = 2326

Solution:

To find the percentage of the organisms in the new habitat that has migrated to the new habitat, we use the expression below:

% of the population in the new habitat = \frac{number of organisms in new habitat}{number of organisms in original habitat} x 100

% of the population in the new habitat = \frac{2326}{4695} x 100 = 49.54%

6 1
3 years ago
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If a radioactive substance's half-life is 20 years, how much of a 40-gram sample will be left after 60 years? A. 5 grams B. 10 g
tatiyna
60 years is three half life for the substance, so 40*1/2^3=5
6 0
3 years ago
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Plants have structures which affect reproduction rates in plants.<br> A. True<br> B. False
natali 33 [55]

Answer:

True?

Explanation:

maybe I think true since different types of plants have different structures and because of the structures maybe a plant can reproduce like for a long time later and another plant can have a different structure and reproduce faster. I’m just 11

5 0
2 years ago
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Suggest a means by which you could separate mrna from the other types of rna in a eukaryotic cell
jok3333 [9.3K]

A method by which you could separate mRNA from the other types of RNA in a eukaryotic cell is oligo (dT) chromatography.

<h3>What do you mean by mRNA?</h3>

mRNA may be defined as a molecule in cells that holds codes from the DNA in the nucleus to the sites of protein synthesis in the cytoplasm.

The mRNA can be easily isolated from other types of RNA by the most reliable and convincing method of oligo (dT) chromatography which is the magnetic separation method that bounds oligo (dT) molecules on the surface of paramagnetic beads.

Therefore, a method by which you could separate mRNA from the other types of RNA in a eukaryotic cell is oligo (dT) chromatography.

To learn more about mRNA, refer to the link:

brainly.com/question/884041

#SPJ4

6 0
2 years ago
The nurse is assessing a patient who has just been rescued after falling into a frozen lake. the patient's body temperature has
miss Akunina [59]
This is multiple correct option question options were 
1. Cyanosed skin 
2. Uncontrolled shivering 
3. Cardiac dysrhythmias 
4. Increased blood pressure 
5. Increased respiratory rate 
The answer is options 1, 2, 3 
In this case the patient suffers from hypothermia which is medical term for the condition when body loses heat faster than it can produce in this condition patient shows signs such as uncontrolled shivering and cyanosis; cardiac dysrhythmias may occur in later stages
6 0
3 years ago
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