Answer:
Solids
Explanation:
Sound travels fastest through solids. This is because molecules in a solid medium are much closer together than those in a liquid or gas, allowing sound waves to travel more quickly through it. In fact, sound waves travel over 17 times faster through steel than through air.
Which RNA molecule is involved in translating a short sequence of RNA into an amino acid, acting like a molecular Rosetta stone?
a
snRNA
b
tRNA
c
mRNA
d
rRNA
Given what we know about the translation process, we can confirm that the RNA in question that aids in the process of translating a short sequence of RNA into an amino acid is mRNA.
mRNA is referred to as messenger RNA. This RNA molecule acts as just that, a messenger carrying the necessary code to create amino acids and therefore, proteins. This messenger binds itself to the ribosomes of a cell, which are in charge of reading the code, one codon at a time, and chaining together the corresponding amino acids.
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All cells in the body have the same genome, with a couple of exceptions. What are these exceptions?
Answer:
red blood cells, which contain no DNA in their mature state, and some immune system cells that rearrange their DNA while producing antibodies
Cell is the basic unit of life and they contain the needed information known as the DNA (genetic material) to carry out the basic life functions and processes.
All cells in the body essentially have the same genome except some red blood cells and some immune cells.
Red blood cells do not contain as DNA as they lack a nucleus so they are an exception to the rule. While some immune cells needs to reassemble their genome in order to aid in the production of antibodies.
Actually, gene expression comes in with this because cells become different as a result of the fact that a cell can decide which gene is to be expressed or not in accordance to its function it is supposed to perform.
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Question 6
The electrical charge of a particle called
Answer:
The electrical charge of a particle is called an electric charge.
Explanation:
Electricity always comes in units of the Coulomb, which is the unit of measurement for electric charges. One Coulomb is defined as follows: "the quantity or magnitude of electricity carried by an electron in the electrostatic field around a point on the Earth with coordinates (latitude, longitude)". We can use units like volts and amperes to communicate this kind of data now, but typically you'll see it written as Cs.
To do some simple arithmetic with these units you need to know that one Couloth will equal 93 millimeters squared per second times per second (mC/s*ms).
Cessation of breathing is called
Answer:
I would be willing to bet that the answer to this is Apnea
Apnea is defined as "temporary cessation of breathing, especially during sleep"
Photosynthesis and cellular respiration are cellular processes in plants and animals
Which statement correctly compares the reactants and products of the two
processes?
The statement that correctly compares the reactants and products of the two
processes is: the reactants of photosynthesis are the products of cellular respiration and vice versa.
PHOTOSYNTHESIS:
Photosynthesis is the process by which green plants obtain their food (glucose) from the energy they derive from sunlight. The equation of photosynthesis is as follows:6CO2 + 6H2O → C6H12O6 + 6O2
CELLULAR RESPIRATION:
Cellular respiration, on the other hand, is the process whereby living organisms obtain energy (ATP) by breaking down food molecules in their cells. The equation for cellular respiration is as follows:C6H12O6 + 6O2 → 6CO2 + 6H2O
From the description of these two processes, it can be said that carbon dioxide and water (reactants of photosynthesis) are the products of cellular respiration and vice versa.Learn more at: https://brainly.com/question/23126016?referrer=searchResults
Which of the following is not found in allcells? DNA Plasmamembrane Cytoplasm Lysosome
Answer:
Lysosome
Explanation:
Explain the physics of light as it relates to photosynthesis. What is a pigment, what is a photon?
Explanation:
photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.
a pigment is the natural colouring matter of animal or plant tissue.
a photon is a particle representing a quantum of light or other electromagnetic radiation. A photon carries energy proportional to the radiation frequency but has zero rest mass.
Answer: Varies
Explanation:
"Pigment" relates to the color and "photons" connect with the electromagnetic force.
if bird cannot migrate what it does to survive
ens
Question 4
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Which of the following is not a Learning Style:
O Auditory
O Visual
Kinesthetic
O Sculpting
1 nto
WIN
Ollection 5
na ml_ex3_5.pdf
por ml_ex4_1.pdf
DOF ml ex4_2.pdf
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Answer:
HUH? I THINK THIS IS HAVE NO IDEA IN ANSWER CAUSE THE QUESTION IS NOT INCLUDED
Question 5 (True/False Worth 1 points)
(02.02 LC)
TRUE OR FLASE QUESTION (WORTH 50 POINTS)
Water takes a longer time to change temperature than alcohol does because water requires a larger amount of heat to be absorbed to cause the change.
()True
Or
()False
Answer:
True
Explanation:
Water freezes faster than alcohol due to lower freezing point.
Water takes less time to freeze than alcohol but can absorb a large amount of heat with only a small change in its temperature. Alcohol has -114.7 degrees Celsius of freezing temperature whereas water has freezing point of 0 degrees Celsius.
The given statement is true. Water freezes faster than alcohol. Due to its lower freezing point than alcohol, water freezes more quickly.
Why water freezes faster than alcohol?Alcohol takes longer to freeze than water, but water can absorb a lot of heat with just a slight change in temperature. Water has a freezing point of zero degrees Celsius, but alcohol has a freezing point of -114.7 degrees Celsius.
Because water molecules must be forced to move more quickly within the water in order for the temperature to rise, water is more able to absorb heat than many other substances. As a result, water freezes more quickly than alcohol.
Therefore, The given statement is true. Water freezes faster than alcohol. Due to its lower freezing point than alcohol, water freezes more quickly.
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Researchers identify a gene in cockroaches that is responsible for their ability of nerve regeneration. How might it be possible for this gene to be used in treating human paralysis?
This gene could be analyzed to determine its homology level with a human gene, which then could be restored in its normal expression. This strategy can restore the normal phenotype in defective human cells.
Sequence homology, which refers to the level of evolutionary relationship among genetic or proteins sequences, is a fundamental subject matter to determine gene function.
From this approach (sequence homology search), researchers can identify valuable genes involved in diseases in which the restoration of their normal expression levels can be used to restore the normal phenotype in defective cells.
In this case, the identification of a gene in cockroaches that is responsible for nerve regeneration could be used for subsequent identification of a human homologous gene sequence, which then can be restored in order to treat human paralysis.
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What do organisms do with the products of cellular respiration?
Explanation:
it combine oxygen with foodstuff molecules, diverting the chemical energy in these substances into life sustaining activities and discarding
Belinda is weighing pine cones she found on a walk. there are 5 pine cones she measured the following masses in grams 5, 9, 8, 19, 9 what is the mode mass
A. 14
B. 10
C. 9
D. 8
Personal public appearances are a form of advertising.
True
False
Answer: True
Explanation:
Eukaryotes that are not fungi, animals, or plants are classified in a "catch-all" category called ________. A. archaea B. protists C. bacteria D. seaweeds
Eukaryotes that are not fungi, animals, or plants are called protists
Protists can be described as eukaryotes that are not grouped as fungi, animals or plants. These groups of organisms are so wide that there are lots of organisms that fall under this category.
Protists are tiny group of organisms that can only be seen/viewed with the aid of a strong microscope. Protists only have one type of cell and lots of these organisms are found in an aquatic environment.
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how 1 kg mass is defined in SI system?
Answer:
The kilogram is the basic unit of mass in the International System of Units (SI). Kilograms are known as kilos with the symbol kilogram being kg.
Explanation:
Hope this help ^^
if it's wrong, just report it :)
Hey, I need help with this question:
Answer:
A) Phylogenetic species concept.
Explanation:
Phylogenetic species concept defines a species as a group of organisms that shares a common ancestors and can be distinguished from other that do not share that ancestor.
PLEASE HELP!!! WILL MARK AS BRAINLIEST!!! D:
A. SICKLE CELL ANEMIA: GENETICS AND EVOLUTION
Circle the mutation in DNA of the sickle-cell beta-globin gene fragment in the table below:
Wild-type beta-globin gene fragment
C A C G T A G A C T G A G G A C T C
Sickle-cell beta-globin gene fragment
C A C G T A G A C T G A G G A C A C
Transcribe beta-globin DNA into mRNA. Note: DNA is already arranged in triplet sets (below).
Translate mRNA codons into amino acids of hemoglobin protein sequence using the chart on page 3.
Wild-type beta-globin gene fragment
C A C G T A G A C T G A G G A C T C
Transcription produces mRNA fragment:
Translation produces wild-type beta-globin polypeptide fragment:
Sickle-cell beta-globin gene fragment
C A C G T A G A C T G A G G A C A C
Transcription produces mRNA fragment:
Translation produces mutant beta-globin polypeptide fragment:
In this example an adenine replaces a thymine. Wild-type mRNA GUGCAUCUGACUCCUGAG/ Protein Val-His-Leu-Thr-Pro-Glu. Mutated mRNA GUGCAUCUGACUCCUGUG/ Protein Val-His-Leu-Thr-Pro-Val.
--------------------------
Mutations are changes that occur in DNI nucleotide sequences that introduce new variants.
There are different types of mutations. In the exposed example, the last thymine from the Wild-type beta-globin gene fragment is replaced by an adenine in the Sickle-cell beta-globin gene fragment. The other bases remain equal.
Wild-type gene fragment ⇒ C A C G T A G A C T G A G G A C T C
Sickle-cell gene fragment ⇒ C A C G T A G A C T G A G G A C A C
Wild-type beta-globin gene fragment
TranscriptionTranscription occurs in the nucleus. In RNA uracil replaces thymine.
While growing mRNA molecule,
adenine pairs uracil, thymine pairs adenine, and guanine pairs cytosine.DNA ⇒ C A C G T A G A C T G A G G A C T C
mRNA ⇒ G U G C A U C U G A C U C C U G A G
TranslationTranslation occurs in the cytosol. mRNA codons codify for amino acids.
Codons have been separated by a space.
mRNA ⇒ G U G C A U C U G A C U C C U G A G
Protein ⇒ Valine - Histidine - Leucine - Threonine - Proline - Glutamine
Sickle-cell beta-globin gene fragment
TranscriptionDNA ⇒ C A C G T A G A C T G A G G A C A C
mRNA ⇒ G U G C A U C U G A C U C C U G U G
Translation
mRNA ⇒ G U G C A U C U G A C U C C U G U G
Protein ⇒ Valine - Histidine - Leucine - Threonine - Proline - Valine
---------------------------------------
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Long before the structure of DNA was solved, the physicist Erwin Schrodinger suggested that the three-dimensional arrangement in some polymer had to explain the two main properties of heredity: 1) the stability of life, such that traits were passed faithfully from generation to generation, and 2) the mutability of life, such that traits could change. How did Watson and Crick’s structure explain those two properties?
Watson and Crick's model explained mutability because bases pairs can suffer changes (mutations) during DNA replication. Moreover, this model also explained stability because DNA strands are held together by hydrogen bonds.
Deoxyribonucleic acid (DNA) is a double helix molecule composed of two long chains of four types of nucleotides, each containing one different nitrogenous base, i.e., Adenine, Guanine, Cytosine and Thymine.
In Watson and Crick's model, both DNA strands are held together by hydrogen bonds between nitrogenous bases on opposite DNA strands, thereby providing stability to the DNA molecule.
In DNA, Guanine always pairs with Cytosine by three hydrogen bonds, while Adenine always pairs with Thymine by two hydrogen bonds.
Moreover, Watson and Crick suggested that mutations could occur as a consequence of a base occurring very infrequently in one of the less likely tautomeric forms during DNA replication, thereby also explaining the mutability of life.
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13. It is strongly recommended that pesticides be applied by:
It is strongly recommended that pesticides be applied by competent professionals.
What are Pesticides?Pesticides are chemicals that are designed to get rid of pests.
Because these chemicals can be poisonous to other organisms in the environment, including humans, pesticides should be carefully applied.
Thus, it is strongly recommended that only those that are trained in the art of pesticide applications are called upon to apply the chemicals in the environment.
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What occurs if kelp is not present to absorb CO2 or produce O2?
there won't be fresh oxygen and CO2 will be dangerous for out health and we may not have some of the energy that we have today because kelp also can produce energy.
All other living organisms in the aquatic environment will be negatively affected if Kelp is not present to absorb CO2 or produce O2.
ROLE OF PHOTOSYNTHESIS:
Kelp are living organisms in the kingdom Protista, which possess the ability to photosynthesize or use energy from sunlight to produce food. Photosynthesis is a process that absorbs CO2 from the atmosphere and release O2 as a gaseous product. Kelp is a producer of aquatic environment, which means it helps to absorb CO2 and release O2 into the atmosphere. This O2 is used for cellular respiration by other living organisms. If kelp is not present to absorb CO2 or produce O2, other other living organisms in the aquatic environment will be negatively affected.Learn more about the role of photosynthesis at: https://brainly.com/question/1388366?referrer=searchResults
Although chickens, chimpanzees, cows, and humans share a gene for insulin, two species are more closely related to one another than the others. Select the correct pair of species. (10 points)
A. chickens and cows
B. chimpanzees and cows
C. chickens and humans
D. chimpanzees and humans
As the rise of humans or the homosapins on the planet the earth was full of creatures from all races and they were located in different habitats and inches.
The rise of man was initiated by the primates and marsupials and these later on lead to the development of monkey like large land animals. The gene of insulin is hared between the man and his processor chimpanzee.Hence the option D is correct.
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Which of the following is true about a sea stars DNA? A. All of the cells of the sea star have different DNA that allows it to grow into a complex organism. B As the sea star cells divide, the DNA changes to help create the sea star. C. All of the cells of the sea star have the same exact DNA. D. All types of sea animals have the same DNA, but the animals are different from each other because different parts of the DNA are expressed.
do you think carbon sinks can ever completely reverse global warming, why or why not?
Answer:
Explanation:
Framed in this way, the problem of climate change becomes not one of simply producing greenhouse gas, but how quickly we do so when compared with the Earth’s natural ability to soak it up again. And it makes that natural ability – the continuing capacity of forests and oceans to act as carbon sinks – as significant a factor in deciding the likely course of rising temperatures in the near future as intended controls on our greenhouse gas emissions. Yet many people are unaware of this side of the carbon balancing equation. And if they are, they take it for granted – they expect that forests and oceans and other carbon sinks will continue to act as our environmental get-out-of-jail-free card.
Or, more accurately, our go-to-jail-slightly-slower card. While sinks have managed to grab about half the carbon released as human pollution in recent centuries, the rest steadily accumulates in the atmosphere. The forests and oceans simply can’t suck it in fast enough. At the last count, atmospheric levels of carbon dioxide registered almost 412 parts per million (ppm) and rising. That’s a 47 per cent jump since the beginning of the industrial age, when the concentration was near 280 ppm, and an 11 per cent rise since just 2000, when it was near 370 ppm. Without our natural carbon sinks working to buffer the impact, that figure would probably be closer to 700ppm today.
It makes sense, then, that the future behavior of Earth’s massive carbon sinks – and specifically the question of whether they will continue to bail us out by taking in carbon dioxide – is a key topic of research for scientists. How will tropical forests respond to warmer temperatures? Will ocean currents continue to carry carbon to the depths? What happens to the pace of climate change if the carbon-catching capacity of these sinks weakens?
Which increased age skeletal muscle show?
Answer: With aging, there is a decline in the ability to repair such oxidative damage thereby causing the cascade of events leading to muscular dysfunction.
Explanation: Aging results in a gradual loss of muscle function, and there are predictable age-related alterations in skeletal muscle function.
© 1. What type of cell is this? What characteristics helped you decide the type of cell? (Identify form/structure.) What is this cell's function?
Answer:
nerve cell
Explanation:
it helps in the nervous parts
it comprises of neuron,dendrides and axons..
The given cell is the nerve cell, as the structure has a single cell body and dendrites that are coming out of the cell body, and it is important for the body as the function is to send information.
What is the work of the nerve cell in the animal body?In animals, nerve cells are the primary cells that carry information throughout the body and are responsible for transmitting information in the form of electrical and chemical signals, and each neuron has three main parts: the cell body, dendrites, and axons, here the cell body contains the cell's nucleus and other organelles; dendrites are branching extensions of the cell body that receive signals from other neurons or sensory cells; and axons are long structure that transmit signals to other neurons.
Hence, the given cell is the nerve cell, as the structure has a single cell body and dendrites that are coming out of the cell body, and it is important for the body as the function is to send information.
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Norma claims she pushed the button "for us" (to benefit her husband and herself )? Do you believe her or not ? Explain
USE R.A.C.E STRATEGY AND WRITE AT LEAST ONE PARAGRAPH ( or at least 6 sentences) NO BOTS OR LINKS
Why do most food chains only two, three or rarely ,four consumers after the green plant producer?
Answer:
It is rare to find food chains that have more than four or five links because the loss of energy limits the length of food chains. At each trophic level, most of the energy is lost through biological processes such as respiration or finding food
Explanation:
Answer:
Because so much energy is lost to life processes.
Explanation:
As you progress through each trophic, each organism on that level loses energy gained from the previous trophic. This is due to losing energy through wasted material (e.g. bones) and to life processes, 7 of which can be remembered by MRS GREN:
M ovement
R espiration
S ensitivity
G rowth
R eproduction
E xcretion
N utrition
This means that each time, energy is wasted and lost from the food chain. More than four trophics would result in so much energy being lost from the initial trophic (producer), that it would be largely pointless!
What is the chemical name of K2O? (correct answer gets brainliest)
A) potassium oxygen
B) potassium oxide
C) oxygen potasside
D) oxygen potassium
Answer:
A because K is potassium
I'll give brainist to the correct answer!!
Which choice is a compound?
oxygen
carbon
carbon dioxide
air
Answer:
Carbon dioxide
Explanation:
The others are just lonely elements all by themselves. A compound is when they are joined together, like carbon dioxide, or CO2, which is one carbon atom and two oxygen atoms.