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Evgesh-ka [11]
3 years ago
5

WILL MARK BRAINLIEST

Biology
1 answer:
Rashid [163]3 years ago
4 0
In both processes sister chromatids are pulled apart, as can be seen by the image at anaphase.

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John, a 19 year old boy, wanted to figure out why he wasn't sleeping well at night. He normally and heads to bed by 11 pm and wa
Katarina [22]

Answer:

The Pepsi he drinks at 10 pm

Explanation:

Pepsi is a caffeinated drink that has caffeine in it. Caffeine is a stimulant which means it keeps the body awake and alert. Caffeine works by mimicking adenosine. Adenosine is produced by neuron cells and when it binds to its own receptors (autocrine signaling) it triggers the neurons cells to continue firing. As the adenosine levels fall as the day progresses, the brain is signaled that it is time rest. Adenosine levels are at the lowest when its almost bedtime. However, when Jon takes Pepsi, the caffeine in it bind to the adenosine receptors and make the brain neurons to keep ‘firing’.

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3 years ago
Once an egg cell is fertilized by sperm, the cell _______.
Dovator [93]

i think its B. begins to divide and implants itself in the wall of the uterus

5 0
3 years ago
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What caused by greenhouse gases? A. the hole in the ozone layer is decreasing B. global warming C. temperature decrease D. weath
Anvisha [2.4K]

Answer:

A the hole in the ozone layer is decreasing

B

Explanation:

5 0
3 years ago
A nurse is teaching clients about healthy living and obtaining adequate foods in our diets for energy. Which statement by the cl
kakasveta [241]

Answer:

"My nutritionist measures energy content of food by using a bomb calorimeter."

Explanation

Animals humans included eat food in order to get chemical energy through cellular respiration either aerobically or anaerobically.

Therefore, food energy is the amount of chemical energy that can be derived from food.

Food energy can be measured using a bomb calorimeter and the unit of measurement is calories.

So when the client made the statement and mentioned energy content in food being measured by a calorimeter, it shows the client had an understanding on how energy in food is measured.

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The most massive extinction event in the history of Earth, in which 96 percent of all species became extinct over the course of
Karolina [17]

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D. Permian. This is when 96% of all species on the planet became extinct.

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