BIOLOGY HIGH SCHOOL

What is mitosis?the part of cell division when the chromatids separate

the time in between when cells divide

the part of cell division when two separate nuclei form

cell division when a parent cell divides into four cells

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Answer 1
Answer:

Answer:

the part of cell division when 2 nuclei form.

Explanation:
Answer 2
Answer:

Answer:

I had took this quiz and had the same question and options, I also got a 100% on the quiz so trust me. The correct answer would be "the part of cell division when two separate nuclei form"

Explanation:

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The head of a phospholipid can be descibed as

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Phospholipids are a class of lipids and are a major component of all cell membranes as they can form lipid bilayers. Most phospholipids contain a diglyceride, a phosphate group, and a simple organic molecule such as choline. 

Amphipathic character 
The 'head' of a phospholipid is hydrophilic (attracted to water - polar), while the hydrophobic (non-polar) 'tails' repel water. The hydrophillic head contains the negatively charged phosphate group, and may contain other polar groups. The hydrophobic tail usually consists of long fatty acid non-polar hydrocarbon chains.

1. Before the introduction of the yellow crazy ant to Christmas Island, land crabs ate many plant seedlings in the forest, maintaining a relatively clear forest floor. As the crab population has declined, plant seedlings have flourished. The forest floor is now covered with plants. Choose the statement that best describes what is occurring on the forest floor. A. Primary succession is occurring because the ant is a new species changing the ecosystem.
B. Secondary succession is occurring because the organisms on the forest floor are changing.
C. Climax vegetation is occurring because the seedlings finally have the chance to grow.
D. Primary succession is occurring because more plant life is healthier for the ecosystem.

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the statement that best describes what is occurring on the forest floor is that secondary succession is occurring because the organisms on the forest floor are changing. The answer to your question is B. I hope that this is the answer that you were looking for and it has helped you.

Answer:

B. Secondary succession is occurring because the organisms on the forest floor are changing.

Psss i just took the quiz

Density-dependent inhibition is a phenomenon in which crowded cells stop dividing at some optimal density and location. This phenomenon involves the binding of a cell-surface protein to its counterpart on an adjoining cell's surface. A growth-inhibiting signal is sent to both cells, preventing them from dividing. Certain external physical factors can affect this inhibition mechanism. True or false?

Answers

Answer:

This statement is true

Explanation:

Different substances such as growth factors and nutrients affect the mechanism of density-dependent inhibition of growth as cells become more and more numerous

Which of the following conclusions can be accurately drawn by analyzing both the Silk Road trade and the African gold-salt trade?A. In both cases, wealthy Asian and European traders were able to exploit African merchants. As a result, African countries suffered from trade.

B. In both cases, Islam spread among societies that traded with one another. This contributed to Islam becoming the dominant religion in Africa and Asia.

C. In both cases, socieites were brough into contact through trade. The cultural exchanges that went along with that trade enriched those societies.

D. In both cases, interactions between societies led to conflict despite the success of trade contacts. These clashes left trading societies vulnerable.

Answers

Out of the choices given, the conclusion that can be made is that in both cases, societies were brought into contact through trade. The cultural exchanges that went along with that trade enriched those societies. The correct answer is C. 

Cynthia, a 55 kg woman, is training to run a marathon. How many grams of carbohydrate does she need during periods of heavy training?

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It is recommended to eat about 4 grams of carbs for every pound of body weight per day. So, it means that Cynthia (55 kg ~ 121 pounds) needs to take in about 500 grams of carbohydrates daily. Carbohydrates are important nutrient for marathon athletes to consume when preparing for a marathon because the skeletal muscles are fuelled mainly by glucose derived from carbohydrates. Glucose is stored in the form of glycogen to promote a decrease in fatigue during the race.

Answer: 485.16 grams of carbohydrates.

Explanation: The energy requirement of the body is fulfilled by the food that we eat. Carbohydrates are the main source of energy for the body.

The women weights 55 kilograms which means it weights 121.25 pounds.

1 pound of wight requires 4 grams of carbohydrates

So, 121.25 pounds will require 485.16 grams of carbohydrates for her heavy period of weight training.

If two organisms are in the same phylum, then which of these statements is correct?

Answers

If they belong to a common phylum, they could still belong to different orders or classes, but not to a different kingdom.
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