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Svetlanka [38]
3 years ago
15

The brain of a person with alzheimer's disease shows excessive amounts of

Biology
2 answers:
Lelechka [254]3 years ago
5 0

Answer: The person who has Alzheimer's disease shows excessive amount of amyloid plaques and tangled bundles of fibers.

Explanation:

The symptoms of the Alzheimer's disease shows many symptoms which includes memory loss, language problem and many other unpredictable behaviors.

The presence of tangles and plaques in the brain are reason of Alzheimer's. The loss of connection between the nerve cells shows many symptoms like abnormal behavior, loss of memory et cetera.

vlabodo [156]3 years ago
4 0
The protein <span>
β-amyloid (Aβ)<span>
</span></span>
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During meiosis i, homologous chromosome pairs are separated when the centromeres split apart.
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<span>During meiosis I, homologous chromosome pairs are separated when the centromeres split apart.
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A comparison of karyotypes from two carrot plants cloned from the same carrot root tissue should show that all cells of these ca
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Answer:

C. Diploid condition

Explanation:

A Karyotype is the pictorial display that shows chromosome arrangement and number in a cell. The Karyotype shows any abnormalities in the nuclear material (chromosomes). In a carrot plant that was cloned from carrot root, the clones should possess the same features as the original plant.

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Which of the following are found in plant cells, but not in animal cells? Pick three.
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Alarge vacuoles cell walls and chloroplasts
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Molecule 1 has the nitrogenous base sequence TCA AGT. Which set of bases in Molecule 2 can bond to that sequence in a complement
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Complete question:

Molecule 1 has the nitrogenous base sequence TCA AGT. Which set of bases in Molecule 2 can bond to that sequence in a complementary way?

a. UCAAGU

B. AGTACA

C. AGUUCA

D. UCAATA

Answer:

C. AGUUCA

Explanation:

DNA template strand and the corresponding RNA have complementary sequences. Adenine in the DNA template strand pairs with "uracil" base of RNA while cytosine pairs with its "guanine" base. Similarly, thymine base in DNA template strand pairs with "adenine" base in the RNA. This occurs since RNA does not have a thymine base. RNA has uracil base instead. Therefore, the molecule 1 with sequence  TCA AGT would bind to the molecule 2 with the " AGU UCA" sequence.  

Molecule 1: DNA template:  TCA AGT  

Molecule 2: mRNA:              AGUUCA

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What is the gap in the rock record called when erosion has occurred or no deposition has taken place?
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