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masha68 [24]
3 years ago
14

What is the best purpose of a compound light microscope

Biology
1 answer:
mrs_skeptik [129]3 years ago
4 0
A compound light microscope is a microscope with more than one lens and its own light source. In this type of microscope, there are ocular lenses in the binocular eyepieces and objective lenses in a rotating nosepiece closer to the specimen.
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How can a punnett square predict the traits of offsprings
Anna35 [415]

A punnet square predict the traits of offspring genetic crosses and test crosses.

<u>Explanation:</u>

In pea plants, the traits or characteristics inheritance is been observed and studies by Gregor Mendel. A model was proposed by him, in which the characteristics or traits are specified from genes. Genes can take different alleles or versions. The appearance of an organism can be determined by the dominant alleles. These hides the characteristics of recessive alleles.

The law of segregation is, When gametes are made by an organism the copy of one gene is passed to each gametes. The combinations of allele which is genotype, and the phenotypes which are the characteristics that are observable can be predicted by a Punnett square. This is done by  genetic crosses. In order to predict whether the organism is heterozygous or homozygous can be determined by a test crosses.

3 0
3 years ago
Why can't we just kill invasive species?
snow_tiger [21]

Answer:

we would have to kill ourselves cause were invasive

Explanation:

6 0
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I need help with 6 and 7 please.
kotegsom [21]

Answer:

6)  C

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Explanation:

4 0
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dusya [7]
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Active transport moves up the concentration gradient and does require energy.


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