Answer:
layers, rises?
Explanation:
1. The diagram to the right shows a profile view of a bedrock outcropping.
None of the layers have been overturned. How can we tell that the
sandstone is younger than the shale below it?
Use one or more complete sentences.
Since the lowest layer of rock originates earliest, it is also the oldest. The layer above that is the youngest, and the top layer is the youngest of all.
Which rock unit is the youngest?A fault or intrusion is younger than the rocks it cuts through, according to the cross-cutting relationships principle. All three sedimentary rock strata (A, B, and C) are traversed by the fault, as well as the intrusion (D). The youngest feature must therefore be at fault.
Because the lowest layer of rock originates earliest, it is also the oldest. The layer above that is the youngest, followed by the layer at the top.
The layers are Cambrian, Ordovician, Silurian, Devonian, Carboniferous (Mississippi and Pennsylvanian), Permian, Triassic, Jurassic, Cretaceous, Tertiary, and Quaternary, in that sequence. The type of rock most likely to contain fossils is sedimentary rock.
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how do molecules pass through the cell membrane
Answer:
The small molecules such as water and carbon dioxide can easily or directly pass through the membrane because they are neutral and so small. the movement of water through the membrane is referred to as osmosis. water can also pass through the membrane through channel protiens called aquaporins (AQP).
Explanation:
what is d shape tentacles present contractile vacuoles present trichocysts defence cilia helps movement transverse division
The description provided seems to be related to the characteristics of a group of organisms known as ciliates.
Ciliates are a diverse group of unicellular eukaryotic organisms that possess hair-like structures called cilia, which are used for movement and feeding. They also have contractile vacuoles for osmoregulation, trichocysts for defense against predators, and transverse division for reproduction.
Additionally, some ciliates have tentacles that can aid in capturing food. The presence of these characteristics distinguishes ciliates from other unicellular organisms such as bacteria and archaea.
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From what sources does water evaporate?
Answer:
from precipitation, oceans lakes streams and soil
in what way does a blue light photon not differ from a yellow light photon in a vacuum?
In a vacuum, blue light photons and yellow light photons do not differ in their fundamental properties. Photons are particles of light and are characterized by their energy, frequency, and wavelength. The energy of a photon is directly proportional to its frequency and inversely proportional to its wavelength.
Blue light photons have higher energy, frequency, and shorter wavelengths compared to yellow light photons. Yellow light photons have lower energy, frequency, and longer wavelengths compared to blue light photons. However, in a vacuum, both types of photons still share the same characteristics of being massless particles that travel at the speed of light.
Therefore, in terms of being particles of light in a vacuum, blue light photons and yellow light photons are similar in their nature as electromagnetic waves, with the only difference being their energy, frequency, and wavelength.
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identify earths neighbors in the solar system by choosing the correct answer
Answer:
Mars and venus
Explanation:
Answer:
The planets are bodies of rock or gas that are named for ancient gods.
Asteroids and meteoroids are made of rock or metal, which often collide with Earth.
The terrestrial planets are most similar to Earth.
The Juno probe is exploring the planet Jupiter.
During transcription, rna polymerase synthesizes ______ from a(n) ______ template.
During transcription, rna polymerase synthesizes RNA strand from a(n) DNA template.
What is transcription?Transcription is a classic event in molecular biology in which the DNA is transcribed to mRNA.
Transcription is an important event mentioned in central dogma of molecular biology. It is from transcription, translation (synthesis) of proteins is possible.
Transcription occurs at specific site in the cell. In prokaryotes, transcription takes place in cytoplasm whereas in eukaryotes, nucleus is the site for transcription.
Transcription involves three main steps:
Initiation - Binding of an enzyme RNA polymerase at the promoter region initiates the process of transcription. Thus, an mRNA strand is produced from a DNA sequence.Elongation - Specific nucleotides are added to this mRNA strand through complementary base pairing (A-U, C-G).Termination - RNA polymerase comes across a termination sequence in a gene and stops the process.After transcription, processing of mRNA is carried out so that it becomes mature and fully functional for translation process.
Therefore, transcription is important in copying information from DNA sequences for the correct synthesis of proteins.
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A substance can change into a new kind of molecule when
Which conditions produce the best rate of photosynthesis?
Answer: Simply put: A place with enough Carbon dioxide, Water, light, Chlorophyll (The shades of green found in plants), and Minerals in the Soil
Explanation: Sounds right doesn't it
Does the high concentration of fossils in the morrison formation mean that more organisms lived here 150 mya compared to other parts of the country? explain your reasoning.
The high concentration of the Morrison formation means that more organisms have lived here 150 mya compared to the other parts of the country.
The Morrison Formation is famous for its dinosaur fossils, which have been collected for more than a century, beginning with a find near the town of Morrison, Colorado, in 1877.The Morrison Formation is a rock unit from the Late Jurassic period. It extends throughout the regions of Western United States and contains the fossils of dinosaurs such as Camarasaurus, Diplodocus, Apatosaurus, Stegosaurus, Allosaurus, and others.The deposits from their east-facing drainage basins, carried by streams and rivers from the Elko Highlands (along the borders of present-day Nevada and Utah) and deposited in swampy lowlands, lakes, river channels and floodplains, became the Morrison Formation.
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g the increase in action potential conduction velocity due to myelination can best be explained by which of the following? a. a decrease in membrane capacitance. b. a decrease in membrane resistance. c. a decrease in longitudinal resistance.
The best can be explained as "the increase in action potential conduction velocity due to myelination" is a decrease in membrane capacitance.
What happened if the resistance of the membrane is increased?If the resistаnce of the membrаne is increаsed, more of the depolаrizing current pаsses down the аxon аnd dischаrges the cаpаcitor on the membrаne. Thus insulаting the membrаne with myelin increаses the pаssive spreаd of current аnd increаses conduction velocity. Decreаsing the membrаne cаpаcitаnce аlso increаses conduction velocity. Аdding myelin increаses the thickness of the membrаne cаpаcitor, which decreаses its cаpаcitаnce. Increаsing the diаmeter of the аxoplаsm decreаses the internаl resistаnce, which fаcilitаtes pаssive spreаd of current аnd increаses conduction velocity.
Thus, the correct answer is A.
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What percent of the energy animals get from
food is lost as bodily waste?
Answer:
roughly 90 percent of stored energy is lost as waste heat each time
Answer:
In general, roughly 90 percent of stored energy is lost as waste heat each time you go up the food chain by one trophic level. In other words, animals, on average, convert just 10 percent of the energy available from the organisms they eat into stored chemical energy.
Explanation:
Tell some thing about Ch 9 of class 8th
answer
in this chapter you'll learn about how reproduction take place in organisms like animals and humans . you'll also get to know very different way of some uni cellular and multi cellular organisms that how they divide itself and produce a new kind of it's own ; example : the process of budding , binary fission . you'll get to know how internal and external fertilization .
hope you have understand :)
please answer these 2 questions for the first one select all the right answers and define if they’re a autotroph or a heterotroph
Based on the provided data, we can determine the most likely ecological roles of the organisms regarding their mode of nutrition (autotroph or heterotroph) as follows:
Organism V: Autotroph. It is multicellular, indicating a complex structure that can support photosynthetic processes.
Organism W: Heterotroph. It is multicellular and lacks chloroplasts, suggesting it does not possess the ability to perform photosynthesis.
Organism X: Autotroph. It lacks multicellularity but has chloroplasts, which are responsible for photosynthesis in autotrophs.
Organism Y: Heterotroph. It is multicellular, lacks chloroplasts, and does not possess cilia, suggesting it relies on external food sources.
Organism Z: Heterotroph. It lacks multicellularity, does not have chloroplasts, and has a cell wall. These characteristics indicate a heterotrophic nature.
Model F is the best model for prokaryotic cell
Description of the best model of a prokaryotic cell: Cell Membrane, Cytoplasm, DNA, Nucleoid, Ribosomes, Cell Wall, Flagella, Fimbriae.
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the characteristics of Phylum Platyhelminthes are
Answer:
Platyhelminthes have the following important characteristics:
They are triploblastic, acoelomate, and bilaterally symmetrical.
They may be free-living or parasites.
The body has a soft covering with or without cilia.
Their body is dorsoventrally flattened without any segments and appears like a leaf.
Explanation:
Hope this helps..................
what is the main reproduction in mosses . sexual or asexual?
Answer:
Answer is asexual.
Explanation:
because moss reproduces asexually(also called vegetative reproduction ) when parts of the plant break off and form new plants with identical genetic information.
I hope it's helpful!
which was the likely selective agent in the genetic resistance to hiv among some people today? quizlet
The likely selective agent in the genetic resistance to HIV among some people today is the CCR5 delta 32 mutation. This mutation affects a protein called CCR5, which is a co-receptor used by the HIV virus to enter and infect immune cells.
The CCR5 delta 32 mutation is a deletion of 32 base pairs in the CCR5 gene, resulting in a non-functional or truncated CCR5 protein. This mutation prevents the HIV virus from attaching to and entering immune cells that express the CCR5 receptor. As a result, individuals who carry this mutation are more resistant to HIV infection. It is important to note that not all individuals with the CCR5 delta 32 mutation are completely immune to HIV. While this mutation significantly reduces the risk of infection, it does not provide absolute protection. Additionally, the prevalence of this mutation varies among populations, with higher frequencies observed in individuals of European descent.
Other factors, such as access to healthcare, education, and safe practices, also contribute to the varying rates of HIV infection among different populations. The CCR5 delta 32 mutation is just one genetic factor that has been associated with increased resistance to HIV, but it is not the sole determinant of susceptibility to the virus.
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What type of plate collision formed the Mariana Islands?
Which substance has the biggest role in the development of atherosclerosis?
a) HDL cholesterol
b) Calcium
c) Hemoglobin
d) Sodium
e) LDL cholesterol
The substance with the biggest role in the development of atherosclerosis is LDL cholesterol. The correct option tot his question is E.
Atherosclerosis is the process of plaque buildup in the arteries, leading to narrowing and hardening of these blood vessels.
LDL (low-density lipoprotein) cholesterol is considered the "bad" cholesterol, as it transports cholesterol to the arterial walls, promoting the formation of plaques. High levels of LDL cholesterol contribute to a greater risk of atherosclerosis and related cardiovascular diseases.
Among the listed substances, LDL cholesterol plays the most significant role in the development of atherosclerosis. Maintaining healthy LDL cholesterol levels can help reduce the risk of atherosclerosis and its complications.
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what is a information that is true
A opinion
B presence
C fact
Answer:
c- fact
Explanation:
Answer:
C. Fact
Explanation:
Which group of flasks acted as the experimental group and control group in Pasteur's experiment?
Answer: becteria
Explanation:
pasteur diveded micro-organisms in to severel group of and control groups.
A newly discovered algae that retains its eggs should be classified as aplease choose the correct answer from the following choices, and then select the submit answer button. Answer choicesred algae. Glaucophyte. Stonewort. Streptophyte. Coleochaetophyte
The newly discovered algae that retains its eggs should be classified as a Coleochaetophyte. Option E is correct.
Coleochaetophytes are a group of freshwater green algae that are characterized by the retention of their eggs within specialized structures called oogonia. This is in contrast to most other green algae, which release their eggs into the environment.
Coleochaetophytes are characterized by their simple thallus, which is a flat or tubular structure that lacks differentiation into true stems, leaves, and roots. The thallus is composed of a single layer of cells and can grow up to several centimeters in length.
The reproductive structures of Coleochaetophytes are also simple, consisting of multicellular male and female gametangia that produce gametes by mitosis. The eggs are retained within specialized structures called oogonia, which protect them from environmental stresses and predators.
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--The given question is incomplete, the complete question is
"A newly discovered algae that retains its eggs should be classified as please choose the correct answer from the following choices, and then select the submit answer button. Answer choices A) red algae. B) Glaucophyte. C) Stonewort. D) Streptophyte. E) Coleochaetophyte"--
Ordered: phenobarbital 30 mg, On hand: phenobarbital 60 mg scored tablets, Given:
Phenobarbital is a medication used to treat epilepsy and other seizure disorders. It is usually given in tablet form and the dosage is determined based on the patient's weight and the severity of their condition.
If the available phenobarbital is 30 mg tablets, and the patient requires 60 mg of medication, the healthcare provider can give the patient two 30 mg tablets to achieve the desired dose. However, if the available phenobarbital is 60 mg scored tablets, it is not recommended to break or split the tablet, as this could increase the risk of drug interactions or other adverse effects.
Instead, the healthcare provider should give the patient a single 60 mg tablet. If the dosage needs to be adjusted in the future, the provider can monitor the patient's response to the medication and adjust the dosage as needed.
Therefore, the correct order is Phenobarbital 30 mg, Phenobarbital 60 mg scored tablets, and not Phenobarbital 60 mg, Phenobarbital 30 mg scored tablets.
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mike rides his motorcycle at an average speed of 60 miles per hour for 15.5 minutes how far did mike ride for
Answer:
Mike rode for 15.5 miles.
Explanation:
there are 60 minutes in an hour. if you're going 60 miles per hour, you are traveling at 1 mile per minute. 15.5 times 1 is 15.5.
Can someone help me
mutations aremultiple choice question.quickly reversed by a change in the allele frequencies.caused by allele frequencies being unbalanced.genetic changes.
Mutations are genetic changes that occur in the DNA sequence of an organism's genome. The correct answer is option c.
They can arise due to errors in DNA replication, exposure to mutagenic agents such as radiation or certain chemicals, or spontaneous changes in the DNA structure. Mutations introduce variations in the genetic code, leading to differences in the traits and characteristics of individuals.
Mutations are not quickly reversed by a change in allele frequencies. Allele frequencies refer to the relative proportions of different versions of a gene within a population. While mutations can influence allele frequencies over time through processes like natural selection, genetic drift, or migration, reversing a specific mutation requires additional genetic changes or mechanisms such as DNA repair.
Mutations can contribute to the genetic diversity of a population and serve as the raw material for evolution. They provide the basis for the introduction of new traits and adaptations, which can influence the survival and reproductive success of individuals in changing environments.
The correct answer is option c.
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Complete Question
mutations aremultiple choice question.
a. quickly reversed by a change in the allele frequencies.
b. caused by allele frequencies being unbalanced.
c. genetic changes.
Some comets do not have a:
A: tail
B: coma
C: nucleus
PLEASE ANSWER ILL GIVE BRAINLIEST IF THE ANSWER YOU GIVE IS CORRECT!!!
Answer:
The answer is A, tails.
Explanation:
Some don't have tails and look like balls of light instead.
Answer:
tail if this is wrong (sorry)
The external eye structures include: Select all that apply. Group of answer choices Conjunctiva Lacrimal apparatus Pupillary light reflex Eyebrows Eyelashes Iris
The iris is the colored part of the eye that regulates the amount of light that enters the eye by changing the size of the pupil in response to changes in light.
The external eye structures include the following:
1. Conjunctiva2. Lacrimal apparatus3. Eyebrows4. Eyelashes5. Iris
The external eye structures refer to the visible structures outside the eye, which are responsible for maintaining the integrity of the eye and regulating the incoming light into the eye.
The conjunctiva is a thin, transparent layer covering the eye's outer surface and lines the eyelid's inner surface. The lacrimal apparatus produces tears that keep the eye moist and help wash away debris.
The eyebrows are the arch-shaped area of hair above the eye. Their main function is to keep sweat and other debris out of the eyes. The eyelashes, on the other hand, serve as a barrier to prevent foreign objects from entering the eye. The iris is the colored part of the eye that regulates the amount of light that enters the eye by changing the size of the pupil in response to changes in light.
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FILL IN THE BLANK!!!
genotype is the____pair of alleles (TT)____of an organism. And phenotype is the____apperence__of an organism
Answer:
THIS IS IT
Explanation:
The genetic makeup of an organism (ex: TT). Phenotype, The physical ... from each parent). This pair of alleles is called a genotype and determines the organism's appearance, or phenotype. ... A Punnett square can be used to predict genotype and phenotypes of offspring from genetic crosses
A 2 kg mass is spun on a string in a horizontal circular path at a constant speed. If the
radius of the path is 0. 5 m and the period of revolution is 0. 25 s, what is the speed of the
mass?
The speed of the mass is 6.28 m/s.
What is the speed of the mass?
The speed of the mass can be calculated using the formula:
v = 2πr / T
where;
v is the speed, r is the radius, and T is the period of revolution.Substituting the given values, we get:
v = 2π(0.5 m) / 0.25 s
v = 6.28 m/s
Therefore, the speed of the mass is 6.28 m/s.
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