Newtons third law is sometimes called??? Help

Answer:

Sediment builds up over organisms.

Explanation:

Answer:

Sediment builds up over organisms.

Explanation:

i got it correct on edge nuity

Answer:

Nephridia

Explanation:

diffusion helps liquid and gas in to speed up the rate of higher concentration to the region of lower concentration...

Adenine is larger than Cytosine base pair which make it unable to base pair properly with the guanine on the opposing strand. This will cause the DNA to bulge.

Mutation refers to a sudden change. It is a change in the nucleic acid sequence of an organism's genome. This results in changes to the cell's DNA sequence that can be caused by mistakes during cell division, or by exposure to DNA-damaging agents in the environment.

There are two major types of mutations which are:-

1. Germline mutations

This type of mutation occur in gametes

2. Somatic mutations

This type of mutation occur in other cells of the body.

There are also some types of mutations that are found. They are

1. Base substitutions

2. Deletions

3. Insertions.

Thus, Adenine is larger than Cytosine base pair which make it unable to base pair properly with the guanine on the opposing strand. This will cause the DNA to bulge.

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Answer:

1- Presence of phenotypic variation

2- some phenotypic variation due to genetic variation

3- the given trait has an impact on fitness  

Explanation:

The evolutionary theory by natural selection proposed by Darwin in his publication “On the origin of species” (1859) is based on a series of assumptions that enable to understand the amazing biodiversity on the Earth. First, individuals are not identical among them, i.e., there exists variation in the traits among the members of a given population, species, etc. Second, phenotypic variation leads to differential survival and reproduction of the organisms that are best fitted to the environment (i.e., competence among the members of the population). Finally, phenotypic traits are passed from generation to generation (i.e., phenotypic variation is inheritable), thereby favoring offspring from parents more adapted to the environment.

Answer:

ion channels

Explanation:

The plasma membrane plays a critical role in regulating and maintaining ionic potential inside the cell, relative to ionic concentration present outside the cell. The ion channels are specific, in that they only recognize and allow particular ions to pass through and block the rest. Their opening and closing depends on the ionic potential during that time period.

Answer:

The correct answer is D.

Explanation:

To act on target cells, insulin binds to a specialized protein that is located on the membrane of your target cells: the insulin receptor. When insulin binds to the receptor, it activates a cascade of signals within the cell (a process called signal transduction), which is essential for insulin to have an effect on its target tissues. Insulin increases the entry of glucose into cells and causes the number of certain proteins specialized in glucose transport to increase in the membrane of their target cells, such as adipocytes (adipose tissue cells) and skeletal muscle cells.

Answer:

The correct answer is B, b. Insulin acts as a secondary messenger that cascades the message to allow glucose into the cell.

Answer:

This methodology enables to measure simultaneously both the result and exposure in the group under study

Explanation:

A cross-sectional method is a type of scientific design based on observational data. The cross-sectional studies involve the use of diverse groups that differ in the variable investigated but share other features (for example, individuals with the same educational background, ethnicity, economic status, etc). This class of studies is generally used in developmental psychology.

Answer:

Please find the detailed explanation/description on how to use the light microscope to view a wet mount of a protist. The 9 structures mentioned in the question are in CAPS.

Explanation:

- Firstly, the slide containing the wet mount of the protist is prepared and placed at the centre of a lowered STAGE. The STAGE CLIPS over the sides of the slide are used to hold it in place.

- The revolving turret or nosepiece is turned so that the LOWEST POWER OBJECTIVE LENS is in position i.e. directly above the sample/slide. The SCANNING OBJECTIVE LENS, the lowest objective lens with power of 4x is used initially.

- The slide is viewed through the EYEPIECE, and the image is brought into focus using the STAGE KNOBS.

- The COARSE FOCUS KNOB is turned until the protist on the slide is brought into broad focus. The FINE FOCUS KNOB is then used to bring the image on the slide into sharp focus.

N.B: The OBJECTIVE LENS should not touch the cover slip on the slide during this process.

- When the protist on the slide is clear using lowest power objective lens, the revolver turret can be rotated to allow HIGHER POWER OBJECTIVE LENS.

- Due to higher magnification of the HIGH POWER OBJECTIVE LENS, the protist might need to be refocused using the FOCUS KNOBS.

Answer:

A light microscope is an instrument commonly used in the laboratory which makes use of light rays for viewing and enlarging smaller objects/organisms.

The wet protist is first of all put on the slide then the slide is placed on the Stage which is the flat podium where the slides containing the samples are put for viewing.

The Stage clips are then used to hold the slide containing the wet protist in proper place for a better viewing result.

The Coarse and fine focus knobs are used to adjust the stage by raising and lowering it .

The major difference is that the coarse focus knobs move more rapidly and is used with a low power objective lens while the fine focus knobs move less rapidly and are to be carefully controlled as it functions with a high power objective lens

The Eyepiece which is also referred to as the Ocular lens is then used to view the protist.

However, the view can then be adjusted with the Scanning objective lens which provides an image of the protist with the least magnification of 4X when compared to other lenses.

The low power objective lens and high power objective lens have magnifications of 10X and 40X respectively and can be used to view smaller structures of the protists which the naked eyes and scanning objective lens can't view.

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Answer:

first blank: some fish live in polluted water

Second blank: some people are allergic to fish

Explanation:

Plato answer

for edmentum

Answer:

If the populationsl of producers in an ecosystem became unstable the energy flow into the food web would decrease or increase along with changing populations of producers.

Answer:

Answer: option D.

Explanation:

Hey, there!

Reason: The reason is, when the number of producers are unstable, the flow to enegry from abiotic components to biotic components will be destructed. There will not be proper flow of enegry in whole ecosystem, which usally changes the flow of enegry as per the number of producers.

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Answer:

D. Line graph

Explanation:

A line graph is used to track changes over short or long periods of time

the other options don’t make sense other than the bar graph but you are not comparing anything and it just makes more sense to use a line graph.

Answer:

molar masses

Explanation:

Answer:

sterile

Explanation:

sterile means free from micro-organisms

Answer:

bottom right ....................

Answer:

4 cm x 4 cm x 4 cm..... .

Explanation:

...

Answer:

B

Explanation:

B

Answer:

The meter is not called a fundamental unit, except informally by some people. In the International System of units (SI), the meter is one of seven base units. Base units can be defined in terms that do not depend on no units beyond other base units or natural constants (e.g., the speed of light). Using no more than those seven base units, other units can be defined and those are called derived units. No factors or coefficients other than one are used to show how they relate to each other

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Answer:

D is the right answer

Explanation:

Answer:

It has three atoms.

It has three oxygen atoms.

Explanation: I just took the test :D

Answer respiration system

Explanation:

cause

Explanation:

Here is my answer from the textbook :)

Answer:

I know that some plants release certain chemicals, taste terrible to pests like the caterpillar, and alert other plants that there are pests around. As a result of this, when other plants detect the chemical released, they work together towards a solution.

Answer:

Brief description of the Orginal experiment state what was done

Explanation:

What did you change?

How did the changes help answer the question

Answer: it’s AGG

Explanation:

A part of an mRNA has the sequence AGA. By Using the table below to figure out which amino acid is coded for by AGA, then after using the table it has been figured out that it is AGG. Thus, option A is correct.

The procedure to use this codon table for the code CAU, we  first find C on the left side which is A on the top, as well as U on the right. When this has been found, the amino acid will be given to the right of the codon anf just from this table, we can find that CAU has the codon for the Histidine.

A silent mutation has been known as the mutation that has been occured and there will be no detectable change in that particular amino acid sequence. The mutation that has been occurs must still produce the same amino acid  in this case, Histidine must still be produced.

If we look at the particular  table, there has only one other codon that gives the Histidine amino acid. This codon has CAC. So we know that the original codon is the CAU and the other codon is CAC - and at last we can say that the third nucleotide in the codon can be mutated from a uracil (U) to a cytosine (C) and still produce histidine, causing a silent mutation.

Therefore, option A is the correct option.

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Answer: Option A.

Tundra

Explanation:

Tundra biome have the lowest annual precipitation because it is the coldest of all the biomes and it is plain without trees and have frost molded land scape. It have low or poor nutrients which do not support plants growth, low temperature or have the lowest temperature, little precipitation and short growing seasons.

It's annual precipitation is less than 25 centimeter annually and they are also considered as desert, after the short growing seasons, it is followed by harsh conditions which the plants and animals present there posses a special type of adaptation for survival in the area. They are found in high altitude landmass such as Canada, Russia, Alaska e.t.c.

Answer:

The correct option is F) Increased blood glucose levels

Explanation:

The release of glucocorticoids into the body is part of the body's chemical process for managing stress and ultimately prepares the body for fight or flight.

The body anticipates that it may consume additional fuel/energy during elevated stress levels, it therefore through the adrenal cortex which is situated above the kidneys, sends glucocorticoids into the body.

The glucocorticoids trigger the body's metabolism with regard to breaking down stored fuel in order to produce the required energy that it needs.

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Answer:

D. All the above

Explanation:

The important function of stream pool are;

swifter areas of the stream.

habitat for organisms during dryer seasons

Stream pool refers to an extension or stretch of a river or stream in which the water goes deep and the depth is above average of other water source and the water velocity is also.below average.

Stream pool is formed from beddings of sediments or can be armoured with gravel.

Therefore, the important of stream pool are;

swifter areas of the stream.

habitat for organisms during dryer seasons

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Answer:

These substances alter signaling pathways associated with cognitive functions

Explanation:

It is well known that cortisol hormone is secreted by the adrenal glands in stressful situations. In criminals and convicts, constant and high levels of cortisol have been observed, thereby it is believed that this hormone is associated with criminal behaviors through a 'constant stress-stimulation state'. Moreover, addictive drugs are known to literally destroy the brain. These drugs bind to hormone-like receptors involved in feedback responses. In consequence, after drug consumption, neural pathways will be altered and cognitive functions will be harmed. Finally, evidence linking wheater with criminal behavior is not conclusive.

Answer:

Anaerobic respiration is used commercially in the production of beer, wine, bread, yogurt, and cheese.

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Answer:

The Montreal Protocol

The Montreal Protocol, finalized in 1987, is a global agreement to protect the stratospheric ozone layer by phasing out the production and consumption of ozone-depleting substances (ODS).