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liubo4ka [24]
3 years ago
6

I need your help! My idea on my science project is due tomorrow! What should I do it on!? If you help me I will keep making a ra

ndom questions and it will give you a lot of points!!! Any area of science will be okay!!! Mind the biology.
Biology
2 answers:
const2013 [10]3 years ago
8 0
What are you pretty familiar with? I do know some topics, but what are you most comfortable with?<span />
poizon [28]3 years ago
6 0
You could get a prism and shine a flashlight at it and make a rainbow??

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A zygote undergoes development to grow. what mechanism is used to generate more cells
Montano1993 [528]
MITOSIS is used to generate more cells. It is a kind of cell division that the new cells are identical.
6 0
3 years ago
True or false: In a gel electrophoresis gel, a DNA fragment containing 100 bp (base pairs) would travel faster (and further) tha
vova2212 [387]

Answer: true

Explanation: In gel electrophoresis, the smaller the size/molecular weight of DNA the faster it moves across the gel and vise versa. This is as a result of the pore size of the gel which is usually prepared 1g of agarose in 100ml of distilled water. So a DNA fragment with 1000 base pairs will "struggle" its movement across the gel pore making it mive less faster and further. Movement and molecular weight of DNA are inversely proportional.

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3 years ago
What is the chemical indicator for sugar and what is a positive result look like
frez [133]

Answer:

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the positive result is the observation of brick-red precipitate.

3 0
3 years ago
Which DNA fingering technique examines the length variation of DNA repeat sequences in human DNA?
DiKsa [7]

Answer: The question is incorrect, below is the correct question

Which DNA FINGERPRINTING technique examines the length variation of DNA repeat sequences in human DNA?

The correct answer to the question is option D

mtDNA (mitochondrial DNA) analysis

Explanation: DNA fingerprinting technique is a laboratory technique used by geneticists.it entails placing of DNA samples into wells,these wells are then placed in a slab of gels and thereafter passing a current through the gel.This is done to ascertain the uniqueness of a DNA pattern and thus be able to differentiate people of same species.

There are several methods of DNA fingerprinting as outlined in the options given with the question.

In mtDNA (mitochondrial DNA) analysis,The Genetic samples are extracted from the biological materials, these samples extracted are total genomic DNA like hair,tooth or samples of blood, Several copies of these genomic DNA are then produced using a polymerase chain reaction and flanking primers inorder to examines the length variation of DNA repeat sequences in human DNA.

5 0
3 years ago
I need help ASAP please yalllllll
Brilliant_brown [7]
First one - pivot join
Second one - Suture joint
Third one - Gliding joint
Fourth one - Hinge joint

Hope this helps!

-Payshence xoxo


3 0
3 years ago
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