An organic methyl molecule attached to part of a DNA strand has been identified as a(n) epigenetic mark. double helix. self-regulating gene. genome.

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Answer 1

Answer:

Answer:

Epigenetic mark

Explanation:

A methyl group attached to the nitrogenous base of one amino acid on the DNA is known to have effects on the expression and transcripcion of the genes, and this is also called epigenetic modifications. Therefore, an methyl group attached to the DNA is responsible for epigenetic modifications and so is an epigenetic mark.

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7. did NOT contribute to the mass extinction that ended the Paleozoic era.A. A meteorite impact
B. Widespread ice sheets
C. The formation of Pangaea

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Answer:

Explanation:

A man is heterozygous with a cleft chin (a dominant trait that obeys Mendel's first law) marries a normal-chinned woman and they have 10 children, all with cleft chins. What is the probability that the 11th child will have a normal chin

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Answer:

50%

Explanation:

If the male has a cleft chin, that means that his chromosomes is Aa. His wife must be aa.

Female Female

Male Aa Aa

Male aa aa

With Aa, the child will have a cleft chin. With aa, the child will not. So the probability is 50%.

HELP PLEASEEE!! 10 points and BRAINLIEST!! 2. Honey Bees may be headed for extinction.
Why do you think this is happening? (Things
to think about: habitat destruction, erosion,
pollution, invasive species, human impact.)

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Answer:

Well the most common is habittat destruction. With the number of humans only growing, more land is needed and habitat desturctions occur. Lack of food is also a problem, as some crops don’t grow as much so the bee’s food source is smaller which leaves thousands dead. Also if the food source doesn’t run out, there are pesticides sprayed and the bees will die if eaten one which the chemical properties in a pesticide will kill. Also if not used, littering, if you dump it into a water source, the water gets contaminated and the bees could die from that, or the water spreads ano the flower would receive this chemical property, which could kill the Bee’s food source, or the flower doesn’t die but when the bees consume it, the bee will die.

Answer:

honey bees Extinction types are parasites ,habitat loss ,and cell phones. but there two main types of parasites that are harming the honeybees are Vero mites and tracheal

The name for continents in one landmass surrounded by gigantic ocean

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A Pangaea...Hope This Helped U ♡

Write the following statement as Prolog clauses: Mammals have four legs and no arms, or two arms and two legs. A horse is a mammal. A horse has no arms. Can Prolog derive that a horse has four legs

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Answer:

Explanation:

mammal(X) :- legs(X,4), arms(X,0).

mammal(X) :- legs(X,2), arms(X,2).

mammal(horse).

arms(horse,0).

As far as I can tell, prolog cannot derive that a horse has four legs. Why so? You may ask. I'd say then, because there isn't any rule(s) for prolog to use in determining the legs. Inference rules can also not be used to determine that the fact that a horse is a mammal and it has 0 arms, it certainly must have 4 legs.

What happens to a cell during INTERPHASE?

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What happens to a cell during interphase is when Interphase refers to all stages of the cell cycle other than mitosis. During interphase, cellular organelles double in number, the DNA replicates, and protein synthesis occurs. The chromosomes are not visible and the DNA appears as uncoiled chromatin.

I think it is A or you can get google to help you find it by asking your teacher, parents or using google.

Other Questions

Why is a cap added to mRNA, but not to tRNA or rRNA?A-Transfer RNA and rRNA exhibit complex structures with double stranded regions. The three-dimensional shapes of these molecules keep the 5\' end of the RNA away from the enzymes that process the cap.B-Transcription and processing of mRNA occur in the nucleus, where cap binding proteins are found. These proteins, which add and modify the cap, are not found in the cytoplasm, where tRNA and rRNA are transcribed and processed.C-Each of the three types of RNA are transcribed by different RNA polymerases. Only RNA polymerase II, involved in mRNA synthesis, contains a domain capable of interacting with enzymes that form the cap.D-Only mRNA contains introns. Capping occurs simultaneously with intron removal because the same enzymes and proteins involved in both of these processes must bind to RNA at the same time.

A group of cells that have t he same function is called

In photosystem I, P700 transfers an a. electron to chlorophyll (A0) upon excitation by a photon. b. The electron is replaced by electrons generated by the proton gradient. c. electrons donated directly from plastoquinone at QA. d. the splitting of water molecules at the manganese center. e. oxidation of pheophytin. electrons donated from NADPH. f. electrons transferred from plastocyanin.

In some states, the highway patrol uses planes carrying radar devices to monitor traffic. As the plane flies over traffic, the radar device can tell the officers how fast each car is moving at that moment in time. The radar device determines the car's