Answer: G
Explanation: A galaxy is indeed a collection of stars, gas, and dust held together by gravity.
A galaxy is a vast collection of dust, the gases, and billions of stars that are arranged in the solar system.
A galaxy is held together by the force of gravity. Thus galaxy is a collection of stars and dust and matter that has a sun in its core like the milky galaxy.Hence the option G is correct.
Learn more about the statement best describes a galaxy.
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The chemical formula for energy is: *
1.DNA
2.RNA
3.ATP
4.ADP
Answer:
ATP
Explanation:
ATP is a chemical forumal for enegry
A rainbow after a rainstorm is an example of what? What is the point of confusion?
Answer:
C
Explanation:
Answer:
This scrambling is what we call refraction. After scrambling interior the rain bead, the light bounces once until it at long last exits the bead and a rainbow is made.
Some organisms that live in the intestines of cows do not require oxygen to survive. Which
the following best identifies the process by which these organisms obtain energy?
A. aerobic respiration
B. anaerobic respiration
C. diffusion
D. osmosis
The mineral graphite is used in pencils. What is the characteristic that allows it to be used for this purpose? *
1 black streak
2 hardness of 1-2
3 both are correct
HELPPPPPPPPPPP
Which of the following statements best describes why the change in only one DNA base of a gene does not always result in a different protein being produced by the gene?
A. The change prevents mRNA from being made.
B. Some codons code for the same amino acid.
C. Some codons are translated from DNA.
D. The change creates an additional mRNA strand.
The statement which best describes why the change in only one deoxyribonucleic acid (DNA) base of a gene does not always result in a different protein being produced by the gene is: A. The change prevents mRNA from being made.
Deoxyribonucleotides refers to the fundamental (basic) unit of a deoxyribonucleic acid (DNA).
Basically, deoxyribonucleotides contains a nitrogenous base and phosphate group that is referred to as deoxyribose sugar.
On a related note, the nitrogenous base of deoxyribonucleotides includes the following components:
Adenine (A).Guanine (G).Cytosine (C).Thymine (T).Gene expression simply means the transcription of a gene into a messenger ribonucleic acid (mRNA), as well as its subsequent translation into protein.
In Genetics, the genes that are present in deoxyribonucleic acid (DNA) are mainly responsible for encoding protein molecules.
However, a change in a single deoxyribonucleic acid (DNA) base of a gene doesn't always result in the production of a different protein by the gene because the change prevents messenger RNA (mRNA) from being made.
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Synonym codons code a single amino acid. In consequence, 'some codons code for the same amino acid' indicates why a change in one DNA base of a gene does not always result in a different protein (Option B).
During gene transcription, a single-stranded fragment of DNA is used as template to create a complementary messenger RNA (mRNA) sequence.Subsequently, this mRNA sequence is then used as template to create a polypeptide (i.e., a protein) by a process called translation. The triplets of nucleotides or 'codons' in the mRNA sequence determine a specific amino acid that will be added to the polypeptide chain.There are 64 codons: 61 codons represent only 20 amino acids, while the remaining three (3) are stop codons that determine the end of translation.Thus, the genetic code is said to be redundant because there are different codons that encode the same amino acid. These codons are called synonymous codons.For example, phenylalanine is an amino acid residue that can be specified by two different codons (UUU and UUC).In conclusion, the statement 'some codons code for the same amino acid' BEST describes why the change in one DNA base of a gene does not always result in a different protein (Option B).
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I know this is my knowledge but I don’t feel like doing it lol! I’ll cashapp someone for a brief knowing
Answer:
Biology is the science that studies life, but what exactly is life? This may sound like a silly question with an obvious response, but it is not always easy to define life. For example, a branch of biology called virology studies viruses, which exhibit some of the characteristics of living entities but lack others. It turns out that although viruses can attack living organisms, cause diseases, and even reproduce, they do not meet the criteria that biologists use to define life. Consequently, virologists are not biologists, strictly speaking. Similarly, some biologists study the early molecular evolution that gave rise to life; since the events that preceded life are not biological events, these scientists are also excluded from biology in the strict sense of the term.
Explanation:
IT'S AN EMERGENCY PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!!!! PLEASE I NEED HELP ASAP PLEASE HELP!!!
This is the question
How do animal cells survive without chloroplasts? Explain
(This is 7th grade science)
what is animal?why they are animal?
Answer:
The word "animal" comes from the Latin animalis, meaning having breath, having soul or living being. The biological definition includes all members of the kingdom Animalia. In colloquial usage, as a consequence of anthropocentrism, the term animal is sometimes used nonscientifically to refer only to non-human animals.
:-))
Answer:
animals are the most advanced organisms onthe planet. They are animals because they cannot work like us humans and are not having big brains like us.
¿In which stage of mitosis do cell spend the most time?
Answer:
Can you add the answers please and thank you but i say b
Explanation:
Will mark brainliest ! Please help ASAP
Answer:
a = Liver
b = spleen
c = galbladder (i think)
d = intestines
Explanation:
Body fat is used as a source of energy when not enough energy is available from food. This process involves:
Answer:
Fats typically provide more than half of the body's energy needs. Fat from food is broken down into fatty acids, which can travel in the blood and be captured by hungry cells. Fatty acids that aren't needed right away are packaged in bundles called triglycerides and stored in fat cells, which have unlimited capacity.
Explanation:
Brainliest?
Diffusion continues until what is reached ?
Answer:
Diffusion will continue until the concentration gradient has been eliminated. Since diffusion moves materials from an area of higher concentration to the lower, it is described as moving solutes "down the concentration gradient." The end result of diffusion is an equal concentration, or equilibrium, of molecules on both sides of the membrane. At equilibrium, movement of molecules does not stop. At equilibrium, there is equal movement of materials in both directions.
ASAP HELP PLSSSS!!!! WILL GIVE BRAINLYEST!!!!!!!!!!1
Could a Type B child with a Type A mother have a Type A father? Explain.
Answer: No
Explanation: Type B is not possible if there are AA parents. The child could have A or O blood if both their parents are type A. Type B is only possible, not certain though, when parents are A and B. If parents are A and B, the child could be A, B, AB, or O.
Pleaze help ill mark brainliest
Answer:
B
Explanation:
The percentages of A and T are equal and so are the percentages of C and G
Please Please help and correct.. thank you.
Be 100 % sure and if right I will give brainliest
Answer:
living system decay and age which does not cause struggles against disorder
Explanation:
Help me please!!
I’ll brainliest u if u get it right!
Answer:
Explanation:
Water will not move in as the movement of water molecules will be the same in both directions. There will be no net movement of water molecules.
Hope this helps
What type of carbohydrates does Class Trix cereal contain?
Answer:
Trix cereal contains simple carbohydrates, which differ from complex carbohydrates in that they are easier for the body to break down. However, this is not necessarily a good thing. Simple carbohydrates are often too easy for the body to break down, resulting in a boost of energy, then a sugar crash. Try something like an apple or a banana instead, for a good source of complex carbs.
The formation of sediment is driven by energy from...
A. Earths interior
B. The sun
C. The outside layer
Answer:
C
Explanation:
Sedimentary rocks are formed by the compression of material overtime
Why are some scientists studying the bacteria that live in the guts of termites?
O Those bacteria may contain genes that help plants take up toxins from the environment.
Those bacteria may contain genes that will help convert plant material to ethanol.
Scientists may use those bacteria as a type of fertilizer for corn and soybean fields.
Those bacteria may contain genes that make corn plants resistant to insects.
The answer is: Those bacteria may contain genes that will help convert plant material to ethanol. Hope this helps!!! :)
Some scientists are studying the bacteria that live in the guts of termites because those bacteria may contain genes that help convert plant material to ethanol.
What are termites?Termites are a type of insect that belongs to the order Isoptera. They are commonly known as white ants but they are not closely related to true ants. They are social insects and live in colonies or nests.
Termites are able to break down the cellulose in wood and other plant materials, which is a process that has potential applications in biofuel production. The bacteria that live in the termites' gut play an important role in this process by producing enzymes that help to break down the cellulose. Scientists are interested in studying these bacteria to learn more about the enzymes they produce and how they can be used to convert plant material into ethanol more efficiently.
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A baseball league considers changing the rules to use a ball with a much greater mass. What effect would this have on the flight of the ball?
Answer: The ball, if thrown with the same instantaneous acceleration, and same sngle of release, would have a shorter flight time and have dropped less.
Explanation: A heavier ball could be harder to throw. It might also have a larger volume. The flight of the ball would depend on the force applied and the mass of the ball and air resistance. Suppose that the same force is applied to the standard and heavy balls, which differ in density but not volume. As they are thrown over the same distance, the drop due to gravity will depend on the time taken to the batter, which will depend on the average velocity.
Provided the mass of the ball is still within the range where maximum force can be applied by the pitcher, the initial velocity will be much the same.
Momentum, however is proportional to mass. The larger mass, all else held constant, will be decelerated more slowly by air resistance, and will arrive at the batter more quickly. If the angle of delivery is the same, the heavier ball will arrive higher because flight time was less.
The ball would arrive at the batter with more kinetic energy and impact with the bat would be harder.
which of the following correctly identifies human impact on climate changes?
Answer:
global warming,
Explanation:
ok make me brainest
With liguid water underneath its icy surface, Jupiter's moon Europa is often cited as a potential site for extraterrestrial life. What other compunds would indicate that chemosynthesis supports life on the planet. a. oxygen b. glucose c. methane d. hydrogen peroxide
Chemosynthesis Quick Check Answers:
C. hydrogen sulfide
B. alkaliphiles
B. a lanternfish on the Atlantic Ocean floor
D. remove methane and hydrogen sulfide
C. methane
The other compound that would indicate that chemosynthesis supports life on the planet is methane.
The correct option is (C) methane.
What is chemosynthesis?Chemosynthesis is a process of synthesizing an organic compound by bacteria and other living creatures, utilizing energy generated from inorganic chemical reactions, usually in the absence of sunlight.
It is also the use of energy released by inorganic chemical reactions to make food in bacteria and other organisms.
Thus, the compound that indicates that chemosynthesis supports life is methane (C).
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Is Uranus a inner or outer planet? Explain why.
:D
Answer: The inner planets are closer to the Sun and are smaller and rockier. After an asteroid belt comes the outer planets, Jupiter, Saturn, Uranus and Neptune. The interesting thing is, in some other planetary systems discovered, the gas giants are actually quite close to the sun.
Explanation: But it really depend on which uranus ur talking about
Answer:
Uranus is a outer planet
Explanation:
uranus had enough gravity to keep hydrogen and helium from drifting away.
the outer planets are also called the Jovian planet that is huge gas planet because of their composition
A plane is traveling at 80 m/s. To prepare for landing, it decreases its speed to 50 m/s in 120 s.
Calculate the deceleration of the plane.
Answer:
The deceleration of the plane is 0.25 m/[tex]s^{2}[/tex].
Explanation:
Deceleration is the converse of acceleration.
From first law of motion, we have;
v = u + at
where: v is the final velocity, u is the initial velocity, a is the acceleration and t is the time taken.
Thus,
v = 50 m/s
u = 80 m/s
t = 120 s
50 = 80 + 120a
50 - 80 = 120a
-30 = 120a
a = [tex]\frac{-30}{120}[/tex]
= -0.25
a = -0.25 m/[tex]s^{2}[/tex]
The deceleration of the plane is 0.25 m/[tex]s^{2}[/tex].
I need help with this can anyone help
d canyon by the looks of it
the answer for your question is D. canyon
A large population of wildcats is broken up into several small groups as a result of geogrpahic isolation over a long period of time these groups will most likely become
Answer:
The correct answer is - reproductively isolated.
Explanation:
Reproductively isolated organisms are the organisms that are occurred due to the split in two or more small groups as a result of geographical isolation over a longer time period from a single large group by process of natural evolution.
In the given case of wildcats which is splits into several small groups due to geographical isolation over a long period of time these groups of wildcats become reproductively isolated.
The prefix auto- means “self.” The root word troph comes from a Greek word that means “to feed.” How could knowledge of these word parts help you define the word autotroph?
autotroph would mean to self feed or you are are capable of feeding yourself
Which molecule below is BEST described as energy rich because of the amount of energy that can be stored in it and released from it?
A.
CO2
B.
ADP
C.
H2O
D.
C6H12O6
Answer:
C6H12O6 is best described as energy rich because of the amount of energy that can be stored in it and released from it
What similarities do the three revolutions share?
Answer:
Revolutions do share common features, however. One is that they are fast-moving. In a short time, often just a few years, a revolution can bring about significant change and upheaval. Most revolutions are driven by people and groups inspired by hope, idealism and dreams of a better society.
Chikungunya is caused by ____________.
Answer:
Mosquitoes
Explanation:
Chikungunya is a viral disease transmitted to humans by infected mosquitoes. It is caused by the chikungunya virus (CHIKV). A CHIKV infection causes fever and severe joint pain. Other symptoms include muscle pain, joint swelling, headache, nausea, fatigue and rash.
