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raketka [301]
3 years ago
13

Fossils are remains or evidence that organisms lived in the past. Ex: footprints, borrows, bones, body casts, etc) A: True B: Fa

lse
Biology
2 answers:
lora16 [44]3 years ago
8 0

It is true...................

mamaluj [8]3 years ago
4 0
.....the answer is true
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How do transposable elements and short tandem repeats (STRs) differ? a. STRs occur within exons; transposable elements occur wit
Allisa [31]

Transposable elements and short tandem repeats are different because short tandem repeats make up only a small percentage of a given genome while transposable elements often make up larger parts of a genome. So the correct option is C.

<h3>What are transposable elements? </h3>

Transposable elements or transposons are a class of genetic elements. They can  “jump” from one location to another, in a genome.

Even though they are called “jumping genes,” they have an integrated site in a genome and are maintained there. Also, most of them are eventually inactivated and can not move any longer.

Whereas Short tandem repeats or STRs are short repeats of DNA. They are also known as microsatellites or simple sequence repeats. They have a repetitive unit of 1-6 bp and form a series of 100 nucleotide lengths.

Therefore the correct option C.

Read more about transposons, here

brainly.com/question/12294587

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5 0
2 years ago
When enzymes are elongating (building) a newly synthesized dna strand in pcr, new nucleotides are being added to the ____ of the
Tamiku [17]
The correct answer is c. 3 ' hydroxyl of deoxyribose.  
<span>
During the DNA synthesis via PCR, polymerization occurs in 5’-3’ direction. This means that enzyme DNA polymerase which synthesizes a new DNA strand is complementary to the DNA template strand (3’-<span>5’ direction). 5’ phosphate group of the free nucleotides which are added is attached to the 3'-hydroxyl group at the end of the elongating DNA strand.</span></span>
3 0
3 years ago
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Are all living things made of one or more cells?
Lelu [443]

Answer:

Yes!

Explanation:

8 0
3 years ago
Read 2 more answers
Which hypothesis is false?
juin [17]

Answer:

#2

Explanation:

I don't really think either of them are false though. They're both technically accurate but I believe it's #2

8 0
3 years ago
If a homozygous black bull is mated with a homozygous white cow and the calf is gray, this would be an example of ________. howe
I am Lyosha [343]

The first statement above is an example of incomplete dominance. If the calf has black and white spots then that’s an example of codominance.

 

Incomplete dominance is a form of transitional inheritance in which one allele for an explicit trait is not entirely expressed over its paired allele. This effects in a third phenotype in which the expressed physical trait is a mixture of the phenotypes of both alleles.

 

Codominance<span> is a form of dominance by which the alleles of a gene pair in a heterozygote are wholly expressed. This effects in offspring with a phenotype that is neither dominant or recessive. A usual example showing this type of dominance is the ABO blood group system.</span>

<span> </span>

4 0
3 years ago
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