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3 years ago

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This can occur when part of a population of a species becomes separated from the remainder, they may over time evolve different

characteristics from the parent population.

1 answer:

Levart [38]3 years ago

4 0

This is referred to as allopatric speciation where species are separated geographically and evolve into two different species over time

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During replication the strands of a double stranded dna molecule separate when the bonds are broken between their paired bases.

Feliz [49]

DNA undergoes semi conservative DNA replication in which a new Daughter strand is evolved from each parent DNA strand. Hence it is important that the parent DNA strand separate such that bases on the Daughter DNA can be complimentary to that of the parent strand it is coded from and same as that of the antiparallel parent DNA which is being separated. This ensures conservation and protection of the integrity of the genetic code

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3 years ago

Compare and contrast viruses and bacteria

IRISSAK [1]

Answer:

A Virus is a infectious agent that only multiply in the living cells of organisms

Bacteria (Can depend on which kind) is a member of a large group made up of unicellular microorganisms. They contain cell walls but do not contain a nucleus or organelles.

Some bacteria can cause diseases like viruses.

Pls mark brainliest if this is what you wanted. Have a nice day.

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4 years ago

To learn how different organisms might be related, scientists look for similarities and differences between the organisms. On th

tensa zangetsu [6.8K]

Answer:

To learn how different organisms might be related, scientists look for similarities and differences between the organisms. On the lines below, compare a cat and a frog. What physical features are the same? What physical features are different?

Cat and Frog are both vertebrates as they possess backbone.

Cat belongs to the family fenidae while frog belongs to the family bufonidae and their classes are mammals and amphibia respectively

Explanation:

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3 years ago

Complete the flowchart to show the steps required to analyze gene activity using a microarray. preparing the cdna probe

Scilla [17]

1- Preparing the cDNA:
a- Using two different tissue samples (such as control and cancer cells), isolate mRNA.
b- For each sample, prepare complementry DNA (cDNA) from the isolated mRNA. Then fluorescent label cDNA of each sample with a different color and then mixed.

2- preparing the microarray:
a- Bind DNA fragments of different genes to microarray wells.
b- Attach ssDNA (single-stranded DNA) to microarray wells.

3- Combine the probe and the microarray samples:
Add labeled cDNA to the microarray wells.

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3 years ago

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Have someone else do the notes or take it on the computer like in word or google drive.

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3 years ago

Read 2 more answers