Answer:
It's B
Explanation:
Mass and distance affects the force of gravity between objects.
Thus, option B is correct.
What is force of gravity?Force of gravity is defined as the force of attraction between any two objects in the universe.
The force of attraction depends upon the mass of the object and the square of the distance between them.
Mass is the total amount of matter contained by an object.More the matter of the object has, the more the mass.Weight of an object can be zero but mass of the object cannot be zero.
Distance is defined as the amount of space between two places or things. Measurement of distance are kilometer, inch, foot, yard.
Therefore,Mass and distance affects the force of gravity between objects.
Thus, option B is correct.
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Which of the following is not a true polymer? Dna, cellulose, fat, protein
Answer:
cellulose
Explanation:
it is not the true polymer
Answer:
cellulose
-hope this helped
If you wanted you duplicate conditions in a laboratory that produced metamorphic rocks what would you need to do
Apply high pressure to the rock. Apply high temperature to the rock. Apply high temperature and pressure to the rock.
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The enzyme involved in the transcription of RNA molecules is:
O Pepsin
DNA polymerase
Codon
RNA polymerase
Answer:
RNA polymerase is the enzyme involved in the transcription of RNA molecules.
After Pedro had breakfast, he went for a run. Identify at least three energy transformations that had to take place to allow Pedro to complete his run. Then use evidence to support the claim that energy in this system was conserved as it was transformed.
Answer:
When Pedro ate breakfast, he consumed chemical energy. Chemical energy is a form of potential energy and that potential energy was stored in his breakfast. When he went out for a run, the chemical energy transformed into mechanical energy, which is a form of kinetic energy. The mechanical energy then transforms into thermal energy when he is running. While running his temperature started to rise which caused him to sweat. The energy in his system was conserved as it was transformed because the energy was constant. When the energy was being transformed between different types, the total amount of energy remained the same.
Explanation:
you can switch up the words if you want !
List five organelles eukaryotes have that prokaryotes do not have. ( 5pts)
Answer:
Lysosomes and peroxisomes, Microtubules, Endoplasmic reticulum, Mitochondria, and Cytoskeleton
Explanation:
The characteristics that eukaryotes have are lysosomes, mitochondria, nucleus, ribosomes, and endoplasmic reticulum.
What are eukaryotes?Eukaryotes are lifeforms with nuclei and other membrane-bound organelles. Eukaryotic organisms include all animals, plants, fungi, and protists, as well as the majority of algae.
Prokaryotic organisms are the ones lacking a well developed nucleus. They do not possess lysosomes, mitochondria, nucleus, ribosomes, and endoplasmic reticulum.
Thus, these are five organelles that are present in eukaryotes but are absent in prokaryotes.
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how are underwater ecosystems affected by tidal waves
Answer:
A tidal wave is a shallow water wave caused by the gravitational interactions between the Sun, Moon, and Earth. ("Tidal wave" was used in earlier times to describe what we now call a tsunami.) A tsunamis is an ocean wave triggered by large earthquakes that occur near or under the ocean,...
i think
Select the TWO correct statements below regarding the two
graphs above. Take your time to get both right so you get this 4
point question correct.
SELECT ALL THAT APPLY
The graph on the left is called an
exponential curve.
The curve on the right is called a J-curve.
Time is plotted on the x-axis.
The graph on the right is the only
population growth model
Answer:
duofu9fhoditsExplanation:
dyidyiditcgksgztidulf96dhltizitxtisitxitsitst7dyid75figd7tydyixuofiy7d96dyidiydiydjgdiydWhich of the following elements are commonly found as part of biological macromolecules?
Answer:
Biological macromolecules are organic, meaning they contain carbon. In addition, they may contain hydrogen, oxygen, nitrogen, and additional minor elements.
Explanation:
A in Bio last year.
Who is Thomas Malthus? Select the TWO correct answer to get
this question correct.
SELECT ALL THAT APPLY
A poet from England
A thinker from England
A political leader from Germany
Someone who studied astronomy and
population
Someone who studied economics and
politics
Someone who studied politics and
astronomy
Answer:
someone who studies economics and politics and i think a poet from england or thinker from england so choose wisely.
Which government agency would you expect to be most concerned with the impacts of pollution?
a. Environmental Protection Agency (EPA)
b. Food and Drug Administration (FDA)
C. Bureau of Land Management (BLM)
d. Department of Fish and Wildlife
Answer:
a the Environmental Protection Agency EPA has jurisdiction over all pollution matters
The Environmental Protection Agency (EPA) will be most concerned with the impacts of pollution. Thus, the correct option is A.
What is Pollution?Pollution may be defined as the presence of toxic substances in the environment which are harmful and poisonous to human health and animals to a larger extent.
The Environmental Protection Agency (EPA) has the administration and control over any consequences which are associated with pollution and its derivatives.
Therefore, the correct option is A.
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WHAT IS THIS PLEASE HELP!!!
Answer:
Carbon
Explanation:
Order the following from largest to smallest:
chromosome
nucleus
nucleotide
DNA-histone complex
gene
cell double-helix
Explanation:
cell double-helix
gene
DNA-histone complex
nucleus
nucleotide
chromosome
Describe the chemical and physical structure and parts of a gene.
define Vasoconstriction
in a way a elementary kid would understand
Vasoconstriction occurs when the blood vessels tighten, which causes the blood flow to slow down.
how does federalism allow for the peaceful distribution of government authority
Answer:
Federalism limits government by creating two sovereign powers
Explanation:
—the national government and state governments—thereby restraining the influence of both. Separation of powers imposes internal limits by dividing government against itself, giving different branches separate functions and forcing them to share power.
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Identify the nitrogenous base NOT present in RNA.
Adenine
O Thymine
O Guanine
Cytosine
Answer:
Thymine
Explanation:
Uracil is the nitrogenous base present only in RNA, but not in DNA. ... DNA have thymine, guanine, adenine and cytosine. Thymine is replaced by uracil in RNA.
This woman is riding a bicycle down a hill at a constant speed and in a straight line. Which change will increase the speed of the bicycle?
A. An added force of 20 N to the side of the hill B. Added forces of 30 N up the hill and 20 N down the hill
C. Added forces of 30 N up the hill and 30 N down the hill
D. An added force of 20 N down the hill
An added force of 20 N down the hill will increase the speed of the bicycle, stronger gravity is applied to things with higher masses, hence option D is correct.
What condition if a bicycle down a hill at a constant speed?A force that unites things. You stay on the ground thanks to the Earth's gravity, which also causes things to fall. Everyone and everything is affected by gravity.
Gravity is the force that pulls the cyclist down toward the ground. Riding the bike ahead on a completely level road encounters very little resistance from the effects of gravity.
Cyclist gains speed even when they are not pedaling because the potential energy produced by a hill's height is converted into an equivalent increase in kinetic energy.
Therefore, an added force of 20 N down the hill is correct.
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Which option contains all of the other options listed?
gene
chromosome******
chromatid
centromere
Answer:
The chromosome contains all of the other options listed.
Explanation:
In eukaryotes, the complete chromosome is composed of only one lineal and extremely long DNI molecule. DNA is intimately associated with two types of proteins: histones, which are structural proteins, and non-histone proteins that mediate different functions of DNA. DNI associated with histones is called chromatin. Histones are responsible for packaging the DNI molecule.
In the interphase, before cellular division, chromatin is in a diffuse, lax, uncondensed state. When cellular division is about to happen, chromatin begins to condensate, and the chromatin strand generates a copy or clon so both of the daughter cells can get the same genetic information. At the beginning of the prophase, DNI is condensed in a well-defined chromosome formed by two sister chromatids. In metaphase, two chromatids joined by a centromere form the typical chromosome.
So, one chromosome is composed of two sister chromatids condensated and joint by the centromere. It looks X-shaped.
Genes are located in chromosomes, specifically in the DNA strand.
Answer:
chromosome
Explanation:
Answer for 25 points also I’ll mark you as the brainiest ! For the quickest answer.
Answer:
The Fourth Point (between 4 and 5)
You find the optimal pH by looking for the pH with the highest activity.
Explanation:
The optimal ph is basically where the enzyme has THE MOST activity.
The fourth point of the pH, and activity is the optimal pH because it has the most activity out of the nine points.
please help :(( How many Phosphorus atoms are in the chemical equation H3PO4
A. 4 Phosphorus atom
B. 1 Phosphorus atom
C. 12 Phosphorus atom
D. 3 Phosphorus atom
A plant is the most balanced need for water within its need for carbon dioxide and oxygen. It’s too much water is lost, the stomata will close. How does this affect the plants ability to regulate levels of carbon dioxide and oxygen?
Answer:
it helps regulate them and keep them level going through the state of transpiration
Explanation:
to prevent too much water lost a plant will close it's stoma to store that water, this process is called transpriation. if the stoma is open it will dry out the plant.
so a plant losing water in reaction they will close their stoma which is homeostasis, homeostasis is balance. so for example u go through homeostasis when it's hot outside it results in u sweating, why? cause your body is trying to cool down and regulate it's self.
You are studying three populations of an endangered species of toad that used to be common in the California central valley. Global warming has caused this species to retreat to higher elevations in recent decades where it stays cooler; the toad used to be found throughout the valley, but is now restricted to the tops of three mountains. Historical records indicate that there used to be hundreds of thousands of toads in the central valley, but sampling the mountaintops reveals that the toad population on each is now limited to a few hundred individuals. You survey allozyme diversity at one locus on each of the three mountaintops and find that each population is fixed for a different allele of the ribbit gene: mountain #1 is fixed for the A1 allele, mountain #2 for the A2 allele, and mountain #3 for the A3 allele. The average number of baby toads born in each population is the same, and the environment on each mountaintop is very similar, as far as your data show.
Explain why each population is fixed for a different allele.
Sentence 1: Describe the variability that was initially present in each of the populations.Sentence 2: State which individuals had the highest fitness in a given population, or why fitness is not an issue if that is your conclusion.Sentence 3: Explain what evolutionary force acted on the population(s), and why and how it acted.Sentence 4: Describe how the populations evolved in response to their changing environment. Be as specific as you can (e.g., say "increased" or "decreased", rather than just "changed".)
Answer:
Explanation:
The allele are fixed because there is no variation that exist in the population and the allele are almost completely the same hence no new combination of gene the same Allele will continue to reoccur
Variability exist because of random mating that occurs in the population initially when the toad filled up the entire central valley
Random mating ensures fitness in the initial population
Genetic drift acted upon the population drifting away allele that are very few in population or that occur less in the population and perpetuating alleles that frequently occur leading to a fixed allele.
There was a decrease in the population as a result of the change in the environment.
Our solar system is in the _______ arm of the Milky Way galaxy, 28,000 light years from its center.
Answer:
Orion arm
Explanation:
Ahemisphere is ______ of the Earth
A. one-half
B. one-third
C. two-thirds
D. three-quarters
Answer:
A. one half
Explanation:
the earth is divided into the northern and southern hemisphere.
Which shows a correct association between a structure and one of its functions? Pores receive sensory information. Oil regulates temperature. Vitamin D protects against bacteria. Sweat glands remove waste
Answer:
D
Explanation:
Sweat Glands remove waste
The sweat glands that eliminate wastage represent the right association between the structure and one of the functions
.
What is a sweat gland that eliminates waste?The sweat represents the fluid that comprises of mainly of water also there is much dissolved solid wastage that should be excreted via the sweet glands. It eliminates the excess water and salts also it served the function of colling the body at the time of thermoregulation.
Therefore, The sweat glands that eliminate wastage represent the right association between the structure and one of the functions
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Which monosaccharides make up sucrose?
The aerobic cellular respiration (release of energy from food) of carbohydrates occurs in the
Answer:
Mitochondria
Explanation:
Mitochondria are energy-producing organelles in eukaryotic cells. They carry out a series of reactions that generate many molecules of ATP from the breakdown of sugars. This process is called aerobic respiration.
Why is soil erosion important to agriculture?
Answer:
because without soil we wouldn't be able to grow our food.
How does Meg use the ultimate boon to conquer the power of IT
Answer: She discovers the power of love to fight the darkness of hate
Explanation:
In the book, A Wrinkle in Time, siblings Meg Murray and Charles Wallace along with their friend Calvin O'Keefe embark on a journey to a planet under the control of a dark force known as IT.
When they get there Charles is captured but the rest manage to escape and now Meg has to go back to save her brother. In the process of saving him she discovers that she must use the power of love for her brother to fight and conquer the darkness of hate that the IT possesses. When she does so she is able to free her brother and they escape together.
Question 4 of 5
Which phrase best describes the particles in a solid?
A. Completely still
B. Closely packed
C. Sliding around
D. Very far apart