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4 years ago

The perception, acquired through negative experiences, that effort has no effect on outcomes is termed?

Biology

1 answer:

RoseWind [281]4 years ago

3 0

Answer:

learned helplessness

Explanation:

A person acquires the perception that they are unable to change or control a situation after experiencing a repeatedly stressful condition in their life so much so that they give up on adding up any efforts even when they find opportunities and such a perception is known as learned helplessness.
Learned helplessness can arise when a particular individual faces a lot of stressful situations in their life repeatedly and constantly fails to make it better and thus, their state of mind fixates on the fact that no matter what the condition they are bound to face failures and hence, they start feeling helpless.
The condition may also arise if a person is suffering from a mental illness such as clinical depression.

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Bacteria multiply by division.One bacterium becomes two. Then two divide into four the four divide into eight and so on For a ce

quester [9]

59 minutes

Explanation:

There is 1 hour (equivalent to 60 minutes) between 11.00pm and midnight.

Using the formulae; P (future) = P (present) * (1 + i)ⁿ where

P (Future) = Future Population

P (Present) = Present Population

i = Growth Rate

n = Number of generations

The bottle was full after 60 minutes and it was filed by the following number of bacteria

P(future) = 1 * (1+1)⁶⁰ = 1,152,921,504,606,846,976

A half-filled bottle would have half the number = 576,460,752,303,423,488

Using the same formulae to find after how many generations do we get to this number;

576,460,752,303,423,488 = 1 * (1+1)ⁿ

(576,460,752,303,423,488) / 1 = (2)ⁿ

n = log₂ (576,460,752,303,423,488)

n = 59

This means the bottle got full at 59 minutes.

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3 0

4 years ago

Crude oil is turned into usable forms of energy in a ______.

iren [92.7K]

Answer: C) Turbine

Explanation: Crude oil is turned into usable forms of energey by a Combustion Turbine. Hope this helped!

5 0

3 years ago

where they execute important functions. The polypeptide chain of these proteins must cross the lipid bilayer. This presents a pr

spin [16.1K]

Answer:

In this case, it is likely that the polypeptide chain assumed an alpha helix configuration because the lipid bilayer did not have beta-barrel proteins.

Explanation:

A polypeptide chain is naturally polar, however, a lipid bilayer is naturally non-polar. This makes it difficult and even prevents the polypeptide chain from crossing a lipid bilayer, since the composition of these two elements does not allow them to mix. In that case, the polypeptide chain has two options to take to successfully cross the lipid bilayer.

The first option that the polypeptide chain has is to allow the creation of twisted beta sheets in the shape of a closed barrel in its structure. This only works if the lipid bilayer has beta barrel proteins in its composition to act as a transport channel for the polypeptide chain. However, few lipid layers have this protein.

Most likely, the polypeptide chain assumes an alpha helix conformation to cross lipid bilayers that do not have beta-barrel proteins. By assuming the beta conformation, the polypeptide chain reinforces the hydrogen bonds present in its composition, allowing it to cross the lipid bilayer without having its conformation and structure disassembled.

6 0

3 years ago

Ronch [10]

Answer: A fluid phospholipid bilayer with embedded proteins.

Explanation: Biological membranes are composed of phospholipids that interact with each other to form a bilayer in which proteins are embedded. Phospholipids have the fatty acyl chains (hydrophobic tails) which face each other to form the interior of the bilayer, while their polar head groups face the outward environment interacting with water molecules. The fluid mosaic model for structure of biological membranes is due to the interactions between the hydrophobic tails of the lipids. The fatty acyl chains of the phospholipids (nonpolar/ hydrophobic tails) in the interior of the membrane form a fluid hydrophobic region while the integral proteins float in the sea of these lipids. The proteins and lipids move freely and laterally in the plane of the bilayer, but movement there is restriction in the movement from one face of the bilayer to the other. The proteins are embedded at regular intervals and are held by hydrophobic interactions between the membrane lipids and the hydrophobic regions of the proteins.

The membrane mosaic is fluid because most of the interactions among its components are noncovalent, thereby leaving the lipid and protein molecules free to move laterally in the plane of the membrane.

4 0

4 years ago

What is all matter made of? A. bonds B. cells C. electrons D. atoms

natima [27]

Matter is made of atoms.

5 0

3 years ago

Read 2 more answers