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Gala2k [10]
3 years ago
5

You’re pretty Without (c) You are du(m)b

Biology
2 answers:
andriy [413]3 years ago
5 0
You meant (I am Dump)? <3
pantera1 [17]3 years ago
3 0
Please need more information for me to help you with this. Thank you
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The Bohr model of atoms shows a proton-rich nucleus surrounded by orbiting electrons.
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A is the answer dear.
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3 years ago
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What enzyme places the nucleotides on the dna strand?
stepan [7]

Answer:

What is  DNA polymerase.

Explanation:

DNA polymerase enzyme is the enzyme That reads the code and synthesizes the appropriate nucleotide base pairs according to the matching nucleotide after DNA splits during the replication process.

It helps in making the DNA error-free by proofreading. DNA polymerase III which has 2 molecules that work on both the strand leading and lagging strand.

Have a beautiful day! Miss Hawaii

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3 years ago
Introduction: The 19th century was the time of the Industrial Revolution in England. Most of the new
bagirrra123 [75]

Answer: Light colored peppered moths decreases in number and dark colored peppered moths increases.

Explanation: The population of light colored peppered moths decreases whereas the dark colored peppered moths increases in number because the light colored peppered moths are visible to the predator birds  whereas the dark colored peppered moths are not visible due to dark coating of the trees so they are saved from the birds and therefore, increase in population of dark colored peppered moths occurs and decrease occur in light colored peppered moths population.

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2 years ago
A large family has a history of multiple aneuploid diseases such as Down Syndrome, trisomy-18 and Klinefelter Syndrome (XXY). Th
SpyIntel [72]

Answer:

Genes coding for proteins involved in chiasma formation.

Explanation:

Chiasma is the connecting link between two non sister chromatids from homologous chromosomes. At chiasma chromosomal crossover takes place in which the genetic material is exchanged between the chromatids. During meiosis aneuploidy occurs if chiasma is absent or impaired due to a mutation in genes encoding for proteins involved in chiasma formation.

Aneuploidy is characterised by presence of abnormal number of chromosomes in cells. They can be 45 or 47 in number apart from the usual 46. Due to impaired chiasma, chromosome pair fails to separate and is passed on to the egg or sperm as it is hence there is one gamete with an extra chromosome and one gamete with a less chromosome. Aneuploidy can result in many genetic disorders like three copies of chromosome 21 can result in Down syndrome.  

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3 years ago
Suppose you have an X ray of an arm, which is taken because the doctor suspects a bone is broken. You also have a drawing showin
Vesnalui [34]

Answer:

An X-ray is done to diagnose the position of bones in the body whether its broken or not or in right place or not.

An X-ray machine is turned on to provide a visual of the bones showing bone condition. When the machine is turned on, X-ray travel through the body tissues, and due to the presence of calcium in bones, they absorb more X-rays, thus bones appear white against the black background of a radiograph.

These white bones on the radiograph will show the position of bones whether it's broken or not.

So, both the visuals that is X-ray and drawing showing visuals (the bones appear white) contribute valuable data to the given situation.

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3 years ago
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