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3 years ago

Effects of caffeine on cognitive functions

1 answer:

7 0

Caffeine works as an adenosine receptor antagonists, this essentially means that it works in the opposite manner or works against the receptor. Think of antagonist in the term of literature it goes against the agonist. Adenosine when bond to the receptor causes tiredness, this is the reason why people drink caffeine to stay wake and to prevent cognitive decline from exhaustion. So caffeine doesn’t really effect learning or memory to a large extent like other stimulants do. So basically caffeine increases wakefulness which in turn allows a person to focus longer, slight increase in memory, and more of a sorted out thought process.

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Use the term osmosis in a sentence

borishaifa [10]

Since Matt has never taken piano lessons but plays like a professional pianist, everyone assumes he acquired the skill through osmosis.

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3 years ago

Which of these is the lowest sub group: A: kingdom B: order C: genus D: species

dexar [7]

In order, the sub groups go:

life

domain

kingdom

phylum

class

order

family

genus

species

Therefore, D (Species), is your answer.

3 0

3 years ago

Read 2 more answers

Plz help me ASAP! Thank you

Ad libitum [116K]

Answer:

According to the diagram, cell growth and preparation occur in steps 2 and 4, corresponding to phases G₁ and G₂ of cell cycle.

Explanation:

G₁ phase consists of the beginning of the cell cycle, following the process of previous division, and occurs in a cell that prepares for a next division. In this phase growth depends on the proliferation of mRNA to increase protein synthesis.

G₂ phase —third phase of the cycle— is the continuation of the process of cell growth induced by protein synthesis. Changes occur at the level of cellular components, as preparation of the cell prior to division.

4 0

3 years ago

RNA is produced by

Studentka2010 [4]

Answer:

Explanation:

rna is produced in the transcription stage of protein synthesis whereby complementary base pairing occurs

8 0

3 years ago

__________ death rates and __________ infant mortality rates are due in large part to technological advances, improved sanitatio

Elis [28]

<h2>Both are Lower</h2>

Explanation:

Death rate is also known as Mortality rate.

Death rate is the ratio of total deaths to total population in a specific area or community over a specific time period.
Death rate = number of deaths/1000 of the population/year.
The death of young children under the age of 1 is known as Infant mortality rate.

The infant mortality rate (IMR) meausres the death toll which is the number of deaths of children under one year of age /1000 live births.

4 0

4 years ago