Answer:
22%
Explanation:
Cytosine and Guanine complements each other.
This specialized cell controls gas exchange and water loss in a plant. It is found on the under-side of leaves. This structure is called a — Question 15 options: chlorophyll cell chloroplast cell stomata; guard cell
Answer:
stomata
Explanation:
i think the guard cells do control gas exchange and water loss..but these cells are found in the stomata...in the under side of the leaf
Answer:
Stomata
Explanation:
Stomata are tiny openings or pores in plant tissue that allow for gas exchange. Stomata are typically found in plant leaves but can also be found in some stems.
The moon shown as a crescent on the right.
Which phase of the moon is shown?
full moon
first quarter
waning gibbous
waxing crescent
Answer:
Waxing Crescent Moon
Explanation:
New Moon Moon is almost directly between the sun and Earth (start of cycle). 2. Waxing Crescent Moon A bit of the sunlit side of the moon shows on the right side. hope that helps :)
In order to measure the absorption spectrum of CoCl2, you need to dilute the stock solution to 0.32 M. What volume of the stock solution (0.8 M concentration) and water should be mixed to make a 10 mL solution of 0.32 M?
Explanation:
Volume of stock solution needed
= 10mL * (0.32M/0.8M)
= 10mL * (4/10) = 4mL.
Volume of water needed
= 10mL - Volume of stock solution
= 10mL - 4mL = 6mL.
The volume of water needed in this case will be equal to 6 ml.
What is the stock solution?To make a stock solution, weigh out the proper amount of a pure solid or measure out the proper amount of a pure liquid, put it in the right flask, and then dilute it to the desired volume. Depending on the intended concentration unit, many methods can be used to measure the reagent.
For instance, to make a solution with specified molarity, you weigh out the proper mass of the reagent, mix it with some solvent, and then add enough liquid to make the necessary volume. You measure out the right amount of solute and add enough solvent to get the right total volume to create a solution where the solute concentration is expressed as a volume percent.
A highly concentrated stock solution is frequently diluted to create solutions. The stock solution is moved to a new vessel and produced to a new volume at a known volume.
Here,
The volume of stock solution needed
= 10mL × (0.32M/0.8M)
= 10mL × (4/10) = 4mL.
The volume of water needed
= 10mL - Volume of stock solution
= 10mL - 4mL = 6mL.
Therefore the volume of water needed here is equal to 6 ml.
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Is there any difference in the time of sunrise during summer ans winter?
Answer:
yes winter time sunrise exactly time but winter time you can't see sun
Look at this image of a star cluster.
Which type of star cluster is shown?
o open
O binary
O globular
O eclipsing
The study of stars is called astrology.
The correct option is B.
The image shown in the figure is the main key feature for answering the question. There are two types of stars present in the image which leads to option B.
Due to the presence of two different types of stars, it is known as a binary cluster.
Hence, the correct answer is B.
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Answer:
I searched through gooogle lens and it said it was a picture of a globular cluster I put it in my test e2022 and got it right...
Explanation:
How did Wegener think that continents went together?
Explanation:
Fossils of similar organisms across widely disparate continents encouraged the revolutionary theory of continental drift. He called this movement continental drift. Pangaea. Wegener was convinced that all of Earth's continents were once part of an enormous, single landmass called Pangaea.
Answer:
Wegener suggested that perhaps the rotation of the Earth caused the continents to shift towards and apart from each other. (It doesn't.) Today, we know that the continents rest on massive slabs of rock called tectonic plates. The plates are always moving and interacting in a process called plate tectonics.
Explanation:my dignity
68. Blue-green algae belong to the same Linnaean kingdom as bacteria. Which of the
following characteristics do these organisms have in common?
O They cause disease.
O They are autotrophs.
O They are prokaryotic.
O They are multicellular.
Calculator
Answer:
Multicellular
Explanation: used quizziz
Of the options listed, "They are prokaryotic" and "They are not multicellular" are characteristics that both blue-green algae and bacteria share.
What are blue green algae?Blue-green algae, also known as cyanobacteria, are a type of bacteria that are capable of performing photosynthesis. This makes them unique among bacteria, as most other bacteria do not have the ability to produce their own food in this way. As a result, blue-green algae play an important role in the carbon cycle and contribute to the production of oxygen in the Earth's atmosphere.
Blue-green algae can be found in a variety of environments, including fresh and salt water, soil, and rocks. Some species are free-floating, while others form colonies or filaments. In certain conditions, such as nutrient-rich water or high temperatures, blue-green algae can grow rapidly and form blooms, which can have negative impacts on aquatic ecosystems and human health.
Despite their classification as bacteria, blue-green algae have a number of characteristics that are more similar to algae than to other bacteria, which is why they are sometimes referred to as "blue-green algae."
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Hello Beautiful People!
I was wondering if anyone had made a study guide for the Cambell Biology textbook
Where does the light-dependent stage of photosynthesis occur in the plant cell?(1 point)
cytoplasm
mitochondria
chlorophyll
cell membrane
Answer:
C- chlorophyll
Explanation:
Took the quick check xd :)
Which amino acid will be carried to a ribosome by a transfer molecule contining the anticodon AAA?
can you help me with this
Thank you
Answer:
option c is correct friend...
16. What finally caused scientists to accept the plate tectonic theory?
A) Ocean floor evidence of sea floor spreading.
B) Fossil evidence of supercontinents like Pangaea.
C) Magnetic pole wandering alignment of repositioned plates.
D) Matching glacier scraping patterns on the coasts of different contents.
Answer:
A)Ocean floor evidence of sea floor spreading.
Explanation:
evidence pointing to the steps or process of seafloor spreading and effective plate motion This theory was accepted by many scientist because it depended on hard evidence and could describe most of the modern geological structures such as ocean basins,
What is the tectonic theory?
The theory of plate tectonics plates says that Earth's surface is made of rigid slabs of rock, or plates, that move to each other.
What is a tectonic plate?
They are huge slabs of rock that cover the earths mantle When a earthquake occurs that's because the tectonic plate is breaking that makes the ground shake During the earthquake and afterward, the plates keep on shaking until they are stuck again!
Hope this helps!
-Tobie the dog <3
The plate tectonic theory gave the concept of land and sea formation. "Ocean floor evidence of seafloor spreading" acted as evidence to support the plate theory. Thus, option A is correct.
What is plate tectonic theory?The plate tectonic theory states about the formation of the lithosphere by the movement of the plate tectonics located deep in the mantle and core layer of the earth. These plates show movement slides over each other to produce lands and drifts to form the oceans.
At a very early there was a supercontinent, Pangaea that slowly shows the formation of the current continent by the movement of the tectonic plates. These solid hard rocks of the earth layers allowed the formation of the various land formations.
The seafloor spreading is the best evidence that supports the tectonic plate theory that described the formation of the oceanic structures including the trenches and basins. The geological structures of the ocean floors supported the theory.
Therefore, option A. evidence of seafloor spreading supported the plate tectonic theory.
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Help!!!!!!!!!!!!!!!!!!!!!
The diagram below shows a microscopic view of the lower epidermis of a maple leaf. The cell indicated by the letter B is a guard cell. Guard cells are found on each side of the stomata.
Which of the following statements correctly describes how guard cells affect the physiological processes in a leaf?
A. Guard cells shrink to let in pollen for plant reproduction and swell to keep in oxygen.
B.Guard cells shrink to let in carbon dioxide for photosynthesis and swell to limit transpiration.
C. Guard cells shorten to let in light for photosynthesis and elongate to keep water from entering the cell.
D. Guard cells become rounder to let in oxygen for cellular respiration and flatten out to block the release of carbon dioxide.
Answer:
D is the answer of your quest.
Explanation:
D
The statement that correctly describes how guard cells affect the physiological processes in a leaf is as follows:
Guard cells shrink to let in carbon dioxide for photosynthesis and swell to limit transpiration.Thus, the correct option is B.
What is Photosynthesis?Photosynthesis may be defined as a type of process through which green plants and photosynthetic algae generally prepare their own food in the form of glucose with the help of carbon dioxide and water in the presence of sunlight.
Guard cells generally mediate the opening and closure of stomata. With the help of this activity, they regulate the rate of transpiration. Guard cells swell up and open the stomata for the exchange of gases when the plant has an excess of water and other useless gases. These types of cells are generally identified by their kidney-shaped appearance that surrounds the stomata.
Therefore, the correct option for this question is B.
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TRY IT Distinguish Elements Explain why there are more substances on Earth than are listed on the periodic table of elements.
Answer:
The periodic table of elements includes only elements.
Explanation:
All the materials on Earth are made up of the same elements, which can be found on the periodic table. These elements combine to form compounds, or mixtures such as water, a compound of hydrogen and oxygen, or air, which is a mixture of nitrogen, oxygen, carbon dioxide (a compound!) and many other gases, even water vapor. It is the combination of these elements in different ways that gives us so many different substances. Hope this helps!
Answer:
Explanation:
Elements are pure substances with only one type of atom.
The substances on Earth are created when two or more elements are combined.
Because elements can combine to form compounds, more substances can be created on Earth.
Yellowstone is located above a blank the collapse of a crater after volcanic eruption
Answer:
Starting near the Oregon/Nevada/Idaho juncture 16 million years ago, a line of rhyolite magma centers—supervolcanoes—formed across what is now the Snake River Plain of southern Idaho. Yellowstone National Park today lies directly over the hotspot.
Those parts of the surrounding states of Montana, Idaho, and Wyoming that are closest to Yellowstone would be affected by pyroclastic flows, while other places in the United States would be impacted by falling ash (the amount of ash would decrease with distance from the eruption site).
Answer:
Caldera
Explanation:
Yellowstone is located above a caldera.
describe atmosphere in ur own words pls
Answer:
read below !
Explanation:
it's basically the layers from the earth's crust, all the way out to space. there are 5 layers in all, and they all protect earth from the things in space, and the suns rays. it keep gravity in, and things like that !!
i hope this is what you meant, and that it helped!! :)
What type of tissue forms the woody portion of a sycamore tree
It is referred to as Xylem tissue.
How did Wegener think that continents went together?
Answer: Basically he thought that due to the earth spinning it would cause the continents to break apart and squish together but now we know that wasnt the case because it is present time and there is more technology than back then.
I hope this helped! Have a good day :DDD
how does the cell cycle aid the conservation of genetic information
Explanation:
The cell cycle aids in the conservation of genetic properties by the first stage which replicates DNA from the cell or Anaphase.
Cell cycle aid the conservation of genetic information through the use of either a positive feedback mechanism or a negative feedback mechanism.
A cell cycle can be defined as an ordered sequence of events that takes place within a living cell as it grows and divide into two (2) daughter cells.
Basically, a cell cycle is made up of four (4) distinct stages and these include:
Gap 1 (G1).Synthesis (S).Gap 2 (G2).Mitosis (M).A genetic information refers to the heritable biological information that are typically stored in the base sequence of an organism's deoxyribonucleic acid (DNA) or ribonucleic acid (RNA) in certain viruses, according to their genetic code.
Generally, living cells communicate with one another by generating, transmitting, receiving and responding to chemical signals within the body of a living organism.
On a related note, cell communication is not completely perfect and as such causes genetic variation.
However, cell cycle aid the conservation of genetic information through the use of either a positive feedback mechanism or a negative feedback mechanism.
Hence, living organisms are able to transfer their genetic information from one generation to another based on the actions of cell cycle.
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The plasma membrane of a bacteria cell _____.
How do the nutrients found in plants function in plant DNA? Is the function of plant DNA similar to human DNA?
Answer:
How do the nutrients found in plants function in plant DNA?
Plants take up essential elements from the soil through their roots and from the air (mainly consisting of nitrogen and oxygen) through their leaves. Nutrient uptake in the soil is achieved by cation exchange, wherein root hairs pump hydrogen ions (H+) into the soil through proton pumps.
Is the function of plant DNA similar to human DNA?
How much DNA do plants share with humans? Over 99%? ALL animals and plants share the same DNA which is basically a code of only 4 'letters' which code for the same amino acids from which all proteins are made.
Explanation:
Plants take up essential elements from the soil through their roots and from the air (mainly consisting of nitrogen and oxygen) through their leaves.
How much DNA do plants share with humans? Over 99%?ALL animals and plants share the same DNA which is basically a code of only 4 'letters' which code for the same amino acids from which all proteins are made.
Thus, these are the correct answer.
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16.In which phase is the substance at 20 °C and 0.75 atm?
solid
liquid
vapor
all of the above
Answer:
solid
Explanation:
HELP 25 POINTS AND BRIANLIEST IF CORRECT
Thoroughbreds are an example of a type of horse that results from selective breeding. However, not all thoroughbreds have the traits that are most desired. How has the process of selective breeding increased the probability that the horse will have a desired trait? Use information from the stimulus material and your knowledge of science in your answer. In your answer, be sure to:
Explain how selective breeding increases the probability that offspring will have a desired trait.
Explain why not all individual thoroughbreds may express the desired traits.
Answer:
If breeders Breed these horses with other breeds, the foal wont be a straight thoroughbred. So, it will change the horses breed.
Explanation:
Selective breeding increases the probability that offspring will have the desired trait because it limits narrows the gene pool to only include desired variants of a gene. Not all thoroughbreds may express the desired trait because they may inherit an unwanted variant of the gene & mutations may occur.
The traits and characteristics of an animal are determined by the genes they possess. When two animals breed, the offspring inherits one variant of each gene from both parents, known as alleles. This means that all animals have 2 variants for any specific trait.
When a gene in an allele is expressed, it means that the genetic code in that allele is the one that can be seen on the offspring. Gene variants can be classified based on how likely they are to be expressed as:
Dominant RecessiveWhen one allele is expressed and the other is not, it is because that allele is dominant and the other is recessive. Recessive variants for a gene will only be expressed if both alleles inherited by the offspring possess are recessive. dominant genes are symbolized by a capital letter and recessive genes with a lower-case letter.
Selective breeding is used to continuously breed animals that have similar variants of the desired trait. If breeding were to be natural, then many of what we consider desirable traits may be lost behind the expression of common, more dominant genes. Selective breeding is done by narrowing the gene pool, meaning that we only allow breeding between animals known to possess the desired trait.
Not all thoroughbreds may express the desired traits because sometimes even though a parent has the desired variant of a trait, they may also contain a different recessive or dominant variant of a trait. Since selective breeding does not control what variant exactly the offspring inherits, it does not always work with each offspring. Genetic mutations can also affect the outcome.
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What type of asexual reproduction is shown in the image below?
A)Binary Fission
B)Spores
C)Budding
D)Vegetative reproduction
It's budding or vegetative productioon it's one of them i think tell me if i am wrong
The type of asexual reproduction shown in the image below is Option C) Budding.
Budding is a type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site. For example, the small bulb-like projection coming out from the yeast cell is known as a bud. Since the reproduction is asexual, the newly created organism is a clone and excepting mutations is genetically identical to the parent organism. Organisms such as hydra use regenerative cells for reproduction in the process of budding.
In hydra, a bud develops as an outgrowth due to repeated cell division at one specific site. These buds develop into tiny individuals and, when fully mature, detach from the parent body and become new independent individuals.Internal budding or endodyogeny is a process of asexual reproduction, favored by parasites such as Toxoplasma gondii. It involves an unusual process in which two daughter cells are produced inside a mother cell, which is then consumed by the offspring before their separationBudding, in biology, a form of asexual reproduction in which a new individual develops from some generative anatomical point of the parent organism. In some species, buds may be produced from almost any point of the body, but in many cases budding is restricted to specialized areas. The initial protuberance of proliferating cytoplasm or cells, the bud, eventually develops into an organism duplicating the parent. The new individual may separate to exist independently, or the buds may remain attached, forming aggregates or colonies. Budding is characteristic of a few unicellular organisms (e.g., certain bacteria, yeasts, and protozoans). However, a number of metazoan animals (e.g., certain cnidarian species) regularly reproduce by budding.Learn more about Budding
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What disease caused by a virus is vaccinated against with a new vaccine every autumn and winter?
Answer:
Influenza
Explanation:
Different strains appear every year, so the vaccine changes.
Influenza of flu is the viral infection for which a person should be vaccinated every autumn and winter. This is because the virus has been identified to have different strains.
What is Viral infection?Viruses are the unicellular organisms with genetic material either DNA or RNA which is surrounded by a protein coat. Many of the viruses are found to be pathogenic for humans.
Influenza virus is one of them. Influenza (flu) vaccines (also called as “flu shots”) are vaccines that protect against the influenza virus strains that are most common during the season. Generally, most of the flu vaccines are “flu shots” which are given with a needle in the arm, however there is a nasal spray flu vaccine as well.
Influenza (flu) is a contagious respiratory illness caused by influenza virus that infect the respiratory tract. People who are immunologically compromised or are in certain health condition are found to be more vulnerable to this virus.
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Movement of individuals into a population is referred to as:
emigration
death
immigration
population density
Write "A" next to words that can describe abiotic factors. Write "B"next to words that can describe biotic factors.
Answer:
Wind- A
Sunlight- A
Deer- B
Soil- A
Sunflower- B
Water- A
Fungus- B
Snow- A
Eagle- B
Temperature- A
Explanation:
In an ecosystem and biology as a subject, environmental factors are either biotic or abiotic. BIOTIC FACTORS are those factors that involves living organisms i.e. factors that have life in them. For example, the biotic factors denoted as 'B' in this question are deer, sunflower, fungus, eagle which are all under plant, animal or microbes category.
On the other hand, ABIOTIC FACTORS are factors that involve non-living or inanimate objects i.e. factors that have no life in them. For example, the abiotic factors denoted as 'A' in this question are wind, sunlight, soil, water, snow, temperature etc.
Answer:
wind- A
sunlight- A
deer- B
soil- A
sunflower- B
Water- A
fungus- B
snow- A
Eagle- B
temperature- A
Explanation:
The popsicle you are eating starts melting. Which of the following is correct regarding the situation?
The popsicle loses thermal energy and the particles speed up.
The popsicle gains thermal energy and the particles speed up.
The popsicle loses thermal energy and the particles slow down.
The popsicle is at thermal equilibrium therefore the heat transfer is equal.
When constructing an energy pyramid of the swamp ecosystem, which of these would be placed at the top of the pyramid?
Answer:
American alligator
Explanation:
An energy pyramid shows the flow of energy and biomass from one trophic level to another. The amount of available energy that can be moved from the producer to the consumer is approximately
a. 90%
b. 25%
c. 100%
d. 10%
Answer:
b 25%
Explanation:
because it is............