18. What are the five muscles that form a box to control the wrist?

Answer:

Ribosomes are small dense and granular ribonucleoprotein (i.e., RNA and protein) particles found attached on the outer surfaces of endoplasmic reticulum and nucleus as well as freely scattered in cytoplasm, mitochondrial matrix and chloroplast.

Explanation:

History of Ribosomes:

Ribosomes were first isolated from E. coli by Tissieres and J. D. Watson (1958), who found that ribosomal RNA alone accounts for 22% of the total weight in rapidly growing cells (90% of total RNA). Palade (1953) was the first to observe the ribosomes as dense particles or granules in electron microscope. Upon isolation they were shown to contain approximately equal amounts of RNA and protein.

Size of Ribosomes:

There are mainly two sizes of ribosomes — (i) One is smaller prokaryotic found in bacteria and blue—green algae, having a sedimentation coefficient 70S equivalent to a molecular weight of 2.7 × 106 daltons. (Dalton is the unit of molecular weight. One Dalton is equal to the weight of one hydrogen atom), (ii) Other is of eukaryotic cells of plants and animals of 80S coefficient with a molecular weight of about 4 × 106 daltons.

Answer:

solvent

Explanation:

the solvent is the substance in which the solute dissolves

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The Correct choice is :

Answer:

Hydronephrosis refers to distention of the renal calyces and pelvis of one or both kidneys by urine. Hydronephrosis is not a disease but a physical result of urinary blockage that may occur at the level of the kidney, ureters, bladder, or urethra.

Explanation:

biology definitions i wrote down

Answer:

I think we need to do both, but I'll let you decide which you think sounds better for you personally (personally I think sanctuaries are often more effective).

Explanation:

Behavior changes It is not really ethical to continue to have a negative impact when changing our behavior can help, however, this may not be ideal as explained below

Sanctuaries It is often more feasible to create preservation sanctuaries because 1) it is hard to get everyone to change enough habits in order to create large-scale change and 2) some species require more immediate action to save, whereas changing human behavior may not be enough and/or at the right pace to preserve and expand the populations of endangered populations

Depending on the main threat to a specific population, the approach will obviously be different.

I need to see whole picture to help

Answer:

Gene expression in eukaryotic cells is regulated by repressors as well as by transcriptional activators. Like their prokaryotic counterparts, eukaryotic repressors bind to specific DNA sequences and inhibit transcription.

Explanation:

In eukaryotes, gene expression is regulated mostly by transcription factors.

Transcription factors are proteins that bind to DNA in the promoter region of a gene, and they play a critical role in controlling when and to what extent a gene is expressed.

They can either activate or repress gene expression by promoting or inhibiting the recruitment of RNA polymerase. Transcription factors are themselves regulated by a variety of signals, including hormones, growth factors, and other external cues, as well as by feedback loops and other regulatory mechanisms within the cell.

Ultimately, this complex interplay of factors allows eukaryotic cells to precisely control which genes are expressed, when they are expressed, and to what degree, enabling them to respond to changing internal and external environments.

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Answer: hey i have that problem (anemia) causes passing out and excessive bleeding in the nose.

this could be treated by 1. iron supplements taken by mouth.

2. Foods high in iron and foods that help your body absorb iron (like foods with Vitamin C).

Explanation:

The order is tricuspid valve, right ventricle, p. valve, p. artery, lungs, left atrium, mitral valve, left ventricle, aortic valve, aorta, tissues and vena cava.

The blood passage refers to the passage of blood cells in the bloodstream of the circulatory system.

In conclusion, the order is tricuspid valve, right ventricle, p. valve, p. artery, lungs, left atrium, mitral valve, left ventricle, aortic valve, aorta, tissues and vena cava.

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Answer:

why don't you want people to send you links?

Answer:

DNA serves two important cellular functions: It is the genetic material passed from parent to offspring and it serves as the information to direct and regulate the construction of the proteins necessary for the cell to perform all of its functions.

Explanation:

D .. A BROCKEN BONE IN THAT LEG WILL NOT MEND

Answer:

Explanation:

Disruption of normal regulation of the cell cycle can lead to diseases such as cancer. When the cell cycle proceeds without control, cells can divide without order and accumulate genetic errors that can lead to a cancerous tumor

The cell life cycle is controlled meaning that:

The reproduction of the cell is controlled.

The cell has a "programated death" meaning that at some point, all normal cells die.

If there is a problem with these (uncontrolled reproduction or cells that just not die) a tumor will appear.

Where the tumor is just a mass of these cells that reproduce uncontrolled and that don't die naturally.

So the thing that happens if cell division is not controlled, is that a tumor will appear.

Answer:

The sliding filament theory is the explanation for how muscles contract to produce force. As we have mentioned on previous pages, the actin and myosin filaments within the sarcomeres of muscle fibres bind to create cross-bridges and slide past one another, creating a contraction.

Explanation:

this answer is helpful

Answer:

Question: What is an amino acid made out of?

Ans: Amino acids are organic compounds made of nitrogen, carbon, hydrogen and oxygen, along

Answer:

El Niño impacts weather systems around the globe, triggering predictable disruptions in temperature, rainfall and winds. La Niña is the opposite – a cooling phase of ENSO that tends to have global climate impacts opposite to those of it. El Niño refers to the above-average sea-surface temperatures that periodically develop across the east-central equatorial Pacific. It represents the warm phase of the ENSO cycle. La Niña refers to the periodic cooling of sea-surface temperatures across the east-central equatorial Pacific.

Hope this helps

Answer:

Well, El Niño(warmer environment) impacts weather systems around the world, while La Nina(cold environment) tends to have global climate affects opposite to El Nino.

Answer:

Mitosis and cytokinesis

Explanation:

Answer:

see below

Explanation:

1) A- Interphase and mitosis

2) Interphase

Answer:

true brainliest pls

Explanation:

Answer:

72

Explanation:

0.25 X4 =1.0 so

18x4=72

Answer:

it depends on the severity of the flooding, if its extreme id say build canals

Explanation:

The oblique is the muscle group that best relates with the term midline.

The anterolateral abdominal wall contains a muscle group in which there are flat muscles whose fibers originate in the posterolateral part, pass forward and become an aponeurosis towards the midline:

Therefore, we can conclude that the oblique is the muscle group that best relates with the term midline.

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Answer:

post it again

Explanation:

Answer:

false

Explanation:

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Answer:

What is the function of the filaments found in ranges 1-2 and 6-7 but no other ranges? Elastic (titin) filaments help to protect the muscle from overstretching and also aid in returning it to normal length. This enzyme breaks down acetylcholine into acetic acid and choline.

Explanation:

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Answer: In this lesson, we'll explore how different conditions affect the rate of cellular respiration in cells. We'll first review what cellular respiration is, and then explore how three factors affect it: temperature, glucose availability, and oxygen concentration.

Explanation: Hope this helps.

Answer: B: an increase in rain

Explanation:

Answer:

an increase in rain

Explanation:

Answer:

All living organisms are made up of one or more cells, which are considered the fundamental units of life. Even unicellular organisms are complex! Inside each cell, atoms make up molecules, which make up cell organelles and structures. In multicellular organisms, similar cells form tissues.

Explanation:

Answer:

Cells!

Explanation:

The cell theory states that...

-Cells are the building blocks of life

-All living organisms are composed of one or more cells.

-All cells come from pre-existing cells