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ryzh [129]
3 years ago
8

What is the percent of Thymine found in the cow's DNA?

Biology
1 answer:
UNO [17]3 years ago
8 0

Answer:

22

Explanation:

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If a chromosome is like a book, then a gene is like__?
valentina_108 [34]

Answer:

Answer;

A specific sentence.

If a chromosome is like a book, then a gene is like a specific sentence.

Explanation:

A chromosome is a structure that is made of a chemical known as deoxyribonucleic acid, or DNA as well as protein. Chromosomes are found in the nucleus of cells. Chromosomes contain many genes. A gene is a molecular unit of heredity, it is a segment of DNA that provides the code to construct a protein.

Chromosomes are made from DNA. Genes are short sections of DNA. Genetically identical cells are produced by a type of cell division called mitos

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3 years ago
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In the block to polyspermy, entry of the sperm's contents causes ________ levels in the oocyte's cytoplasm to rise, triggering t
crimeas [40]

In the block to polyspermy, entry of the sperm's contents causes calcium ion levels in the oocyte's cytoplasm to rise, triggering the cortical reaction.

In biology, polyspermy describes the fertilization of an egg by more than one sperm. Diploid organisms normally contain two copies of each chromosome, one from each parent.

The cell resulting from polyspermy, on the other hand, contains three or more copies of each chromosome—one from the egg and one each from multiple sperm. Usually, the result is an unviable zygote. This may occur because sperm are too efficient at reaching and fertilizing eggs due to the selective pressures of sperm competition.

The cortical reaction is a calcium-dependent exocytotic process in which the content of secretory granules is released into the perivitellin space immediately after fertilization, which serves to prevent polyspermic fertilization.

Learn more about  polyspermy here : brainly.com/question/4537960

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1 year ago
use the following paragraph to answer the question 1 throught 5 remember to include units in your answers
VLD [36.1K]

Answer:

Explanation:

1.       a) A topic sentence is a sentence that conveys the meaning and main message of a paragraph. Here is a topic sentence for this paragraph: An ocean beach is a great place for relaxing and enjoying nature. b) But the dog was still growling, afraid of the strange noise.

2.       There are many things to look for when proofreading, but these four would be the most important: spelling, grammar, punctuation, sentence structure. Spelling mistakes are common not only because people often don’t know how to properly write a word (for example, writing “they’re” instead of “there”), but because it is so easy to make a lapse when writing fast. Grammar errors include verb tense errors, subject-verb agreement errors, etc. Punctuation rules prescribe where to write a comma, dot, colon, semicolon, or any other punctuation mark. Finally, sentence structure is often a problem, even for the advanced speakers of a language.

3.       a) Cliché can be a word or a phrase, or even a whole sentence that has been used so frequently, by so many people, that it is devoid of meaning. It usually happens with expressions that have recently become widely accepted and popular. b) It’s such a pity you couldn’t see him on the battlefield. He was brave as a lion.

4.       Brainstorming is a prewriting practice that we use when we want to come up with as many ideas as possible. We jot down, in short phrases or bulleted points, everything that comes to our mind. The point is that every idea is worth having – so we don’t cast away either of them. Eventually, we will review those ideas, and pick those that seem to be the best. Another practice would be freewriting. We do it when we want to find an inspiration. It is different from brainstorming in that we don’t jot down ideas, but our stream of thoughts – however irrelevant or incongruent they might seem. It is a technique used by great writers such as James Joyce, or Virginia Woolf.

5.       d) When cleaning up a cluttered room, one has to do one thing at a time. First, I have to think hard and realize that I don’t really need half of those things that are scattered everywhere. Then, I try to collect all the garbage and put it in disposal bags. After that, it’s time to get rid of all the dust and cobweb. In comes the vacuum cleaner, and that is usually the end of it.

6.       e) Humanity is a few millennia old. But never did it change more quickly than in the past few decades, with the advancement of technology. It has brought an unprecedented revolution in communication. Things that had been unimaginable, such as talking to a friend at the other side of the globe, are now a normal, everyday thing. This privilege is cheap and affordable to the great majority of the people. However, technology has created a very paradoxical situation. By making the communication swifter, easier, and more efficient than ever, it has downgraded its quality and profundity. It has become utterly normal to see silent and isolated family members at a dinner table, who don’t talk to each other, but stare at their cell phones, talking to their virtual friends and sending them photos of the meals.

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Briefly describe the four steps that most scientific investigations follow
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Forssoic science investigate department
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The document containing detailed information pertaining to the delivery of prescribed orders is known as the A. patient care rec
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I think your answer is c but im not a 100% sure
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