Answers
The salt solution concentration is isotonic . More water increases the likelihood that water will enter the Paramecium through osmosis.
The contractile vacuole will need to fill up and then empty out more often if more water enters through osmosis. The paramecium would become overfilled salt solution concentration with water and eventually explode due to the inability of the cell to contain it all. Because the water would collect more quickly in a low salt solution concentration than it would in a high salt solution, it would happen faster if the paramecium was in it.
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Related Questions
A vacuole is a membrane-bound sac that plays a role in the storage and
the release of cellular products. How do the vacuoles in animal cells differ
from vacuoles in a plant cell?
PLEASE HELP
Answers
plant cell: they are prominent,one or more.
animal cell: vacuoles if any, are small and temporary
hope it helps you!!
what are the two characteristics of meristematic tissue
Answers
Answer:
Meristematic tissue is a group of cells that has power of continuous division.
Cells are immature and young
Meristematic tissue is commonly called as meristems.
Shape of cell
Size]
Intercellular space
Cell wall
Nucleus
Reserved food
Cell division
Metabolic activity
Explanation:
these are characteristics...
Many people today drink sport drinks containing large amounts of sodium. Describe one possible effect this might
have on a person who is not very active.
Answers
Answer:
it maight.make them fat and unhealthy
Not all cells have a cell membrane. True False
Answers
True
Explanation:All cells have cell membranes. There are variations between cell membranes, but the same basic structure exists in all cells.
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What structure and function is found in all eukaryotes but is not found in prokaryotes? A. ribosomes that regula the flow of materials OB. mitochondria that produce energy for the cell OC. endoplasmic reticulum that produces energy for the cell DD. DNA that directs the cell's activity
Answers
Answer:
Explanation:
mitochondria that produce energy for the cell
(because mitochondria are found in animal cell i.e; eukaroyotic cell)
The process that your kidneys use to filter excess fluid and waste products out of the blood into the urine collecting
tubules of the kidney, so they may be eliminated from your body is called:
O a. Excretion
Ob. Elimination.
Oc. Glomerular filtration
Od. Electrolyte filtration
Answers
Answer:
C
Explanation:
Hope this helps! :)
What is one function of the structure labeled Y?
digest prey
pump blood into the heart
remove carbon dioxide from blood
capture prey
Answers
One function of the structure labeled Y is to pump blood into the heart.
The correct option is B.
What is the structure labeled Y in the snail?Structure Y refers to the pericardial cavity which surrounds the heart in snails.
The pericardial cavity plays an important role in the circulation of hemolymph, the snail's equivalent of blood. It functions as a chamber that receives and stores oxygenated hemolymph from the gills and pumps it into the heart, which then distributes it throughout the rest of the body.
Therefore, option "pump blood into the heart" is the correct function of structure Y. Option "digest prey" is not related to the structure Y in snails, and option "remove carbon dioxide from blood" and "capture prey" are not relevant to the circulatory system of snails.
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Complete question:
A snail is shown in the diagram. What is one function of the structure labeled Y?
digest prey
pump blood into the heart
remove carbon dioxide from blood
capture prey
Name the different catagories of animals that lay eggs.
Answers
Oviparous animals are animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive method of most fish, amphibians, reptiles, all birds, and the monotremes.
Answer:
Birds lay eggs pwjdbwbdodjeieiw
manipulations that decrease blood glucose level cause ; manipulations that increase blood glucose level cause . group of answer choices an increase in hunger; a decrease in hunger an increase in general arousal; a decrease in general arousal a decrease in general arousal; an increase in general arousal a decrease in hunger; an increase in hunger
Answers
Manipulations that decrease blood glucose level cause: an increase in hunger. Manipulations that increase blood glucose level cause: a decrease in hunger.
Blood glucose is the amount of glucose dissolved in the blood of an individual. The different cells of the body acquire this glucose for their energy requirements. However, when the cells do not take up the glucose dissolved, the condition is called diabetes.
Hunger is the sensation of an organism to eat food. Hunger is induced by the body due to the action of the hormone ghrelin. It is released when the stomach becomes empty. It sends a signal to the hypothalamus that makes an individual feel hungry.
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A zebra and a donkey can successfully mate to produce offspring known as a zonkey. Zonkeys are infertile, display a mixture of donkey and zebra traits, and have a different number of chromosomes from both parent species. Would zonkeys be classified as their own species? Explain with at least one full sentence.
Answers
Zonkeys are the offspring produced from a cross between a zebra and a donkey. These are classified as a separate species as it shows characteristic
What are Zonkeys?A zonkey is a offspring produced from the cross between a zebra and a donkey. Donkeys are closely related to zebras and both of these animals belong to the horse family.
Zonkeys are the used as beasts of burden (work animals) because of their great strength and stamina to hold heavy weights. It is also believed that they inherit resistance to some pests and diseases as well from their zebra fathers. Some zoos also use them to offer rides to the public.
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Which of the following was derived from an ancestral free-living bacteria?
Lysosome
Chloroplast
Vacuole
Golgi Apparatus
Answers
The organelle that was likely derived from an ancestral free-living bacteria is the Chloroplast.
According to the endosymbiotic theory, chloroplasts and mitochondria are eukaryotic organelles that were originated from prokaryotes.This theory is supported by the observation that chloroplast and mitochondria have their own genetic material (DNA).Moreover, chloroplast and mitochondria also have bacteria-like ribosomes, thereby reinforcing this theory.In conclusion, the organelle that was likely derived from an ancestral free-living bacteria is the Chloroplast.
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What happens during the termination step of transcription? A. Base pairs are added to the mRNA transcript to make the stand too long to transcribe. B. RNA polymerase starts creating the mRNA transcript. C. RNA polymerase stops adding bases to the mRNA transcript, causing the mRNA to separate from the DNA.
Answers
During the termination step of transcription, RNA polymerase stops adding nucleotides to the growing mRNA transcript, causing the mRNA to separate from the DNA template strand and the RNA polymerase. The correct option is C
What is transcription termination ?
The precise signals that start the termination phase can differ depending on the kind of cell and the gene being transcribed during the highly regulated process of transcription termination.
The freshly created mRNA transcript is released into the cytoplasm of the cell after the termination stage so that it can go through additional processing, like splicing and modification, before being translated into protein by ribosomes.
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How does science lead to new technology and how does technology add to our scientific understanding of the natural world?
Answers
Please answer both, and explain if possible.
Q 1. In a certain flower Yellow petals (Y) are Co-dominant to Pink petals (P). Describe what a flower with both the yellow petal gene and pink petal gene would look like.
Q 2. In a certain flower Red Petals (R) are Incomplete Dominant to White Petals (r). Describe what a flower with both the red petal gene (R) and white petal gene (r) would look like.
Answers
Answer:
1. The petals might be both yellow and pink, or some petals might be yellow and others will be pink.
2. Petals will be neither red nor white, they will be a mix of both colours. The petals will probably be a pink colour.
Explanation:
B. PROTEINS 1. Name the gastric enzyme that initiates protein digestion. Explain how this enzyme is activated. 2. Name the ducts in the pathway by which pancreatic juice flows from the pancreas to the duodenum. 3. Describe 3 ways the body uses these amino acids.
Answers
Answer:
Pepsin is the gastric enzyme that initiates protein digestion.
The pepsinogen is first produced by the stomach lining. This is the inactive form. It reacts with is the stomach acid ( dil Hcl) to form pepsin(active form).
The ducts in the pathway by which pancreatic juice flows from the pancreas to the duodenum is the pancreatic duct
The Amino acids formed from the breakdown of Protein helps in the synthesis of enzymes, hormones and other biological cell components.
Amino helps in the replacement of worn out tissues.
It also helps in mental development and reduction of fatigue.
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Select the correct answer.
An ice age is a period in which large areas of Earth are covered in ice. Throughout its history, Earth has experienced at least five such ice ages. Ice is white in color, so it reflects most of the sunlight it receives. Imagine that an ice age were to happen again on Earth. Which statement best explains how Earth’s temperature would be affected?
Refer to the below image for assistance.
A. The temperature would decrease because less solar energy is absorbed and more is reflected.
B. The temperature would increase because more solar energy is reflected and less is absorbed.
C. The temperature would not be affected by the increase in ice cover.
D. The temperature would vary depending upon whether the ice cover were on land or water.
Answers
Answer:
the temperatures will drop (A)
Explanation:
I have many questions for my hw
Here are all the facts:
A girl, lets call her Grace, is wondering which pet she should get. she has owned a betta fish before, and has done a lot of research for hermit crabs. But here are some things she doesn't know:
1. Which one is easier to care for? Betta fish or hermit crab
2. Will a hermit crab be ok in a five 1/2 gallon tank?
3. Is it ok if she just gets one hermit crab or should she get multiple?
4. And ultimately, which one should she get, hermit crab or betta fish?
The last one is the most important. Thanks!
Answers
Answer:
hermit crab
Explanation:
hermit crabs easier to care
A
identify the functional group and IUPAC name for:
1. Alkenes
2.Alkynes
3.Alcohols
4.Aldehydes and ketones
5.Carboxylic Acids
Answers
1. Alkenes are hydrocarbons that contain carbon-carbon double bonds.
it has functional group c=c and the IUPAC nomenclature for alkenes includes the prefix 'ene' to parent alkane for example - ethene, propene, etc.
2. Alkynes are hydrocarbons that contain carbon-carbon triple bonds.
it has functional group c=c (triple bond) and IUPAC nomenclature for alkenes includes the prefix 'yne' to parent alkene for example- ethyne, propyne, etc.
3. Alcohol is a organic compound which contains functional group (- OH)
hydroxyl functional group bounded to satorated hydrocarbon.
IUPAC nomenclature for alkenes includes the prefix 'ol' to parent alkene for example- ethanol, propanol, etc
4. aldehyde are organic compounds in which a carbon atom shares a double bond with an oxygen atom, a single bond with a hydrogen atom, and a single bond with another atom or group of atoms
aldehydes are named as derivatives of the longest carbon chain containing the aldehyde group. Thus, HCHO is named as a derivative of methane, and CH3CH2CH2CHO is named as a derivative of butane. The name is formed by changing the suffix -e of the parent alkane to -al, so that HCHO is named methanal.
Ketones contain a carbonyl group −C(=O)− (which contains a carbon-oxygen double bond C=O). prefix 'one' os added in nomenclature for example, acetone.
5. a carboxylic acid is an organic acid that contains a carboxyl group (C(=O)OH)[1] attached to an R-group.
What is the correct series of steps for the movement of energy in an ecosystem?
Answers
Answer:
A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another; the levels in the food chain are producers, primary consumers, higher-level consumers, and finally decomposers.
Explanation:
Answer:
The flow of energy is always unidirectional. The energy passes from primary producers to primary consumers. From the primary consumers, the energy is passed to secondary consumers and then to tertiary consumers. Thus the energy pyramid is always upright.
Explanation:
Choose all the answers that apply.
The thermosphere:
is divided into the ionosphere and exosphere
contains the ozone layer
is where auroras happen
increases in temperature as altitude increases
is used for orbiting satellites
Answers
temperature is not always increasing due to complex effects of nonlinear density functions and pressures so all apart from temperature are true
Answer:
1- Option (A) and (D)
2- Option (B)
Explanation:
Thermosphere is the outer layer of the atmosphere comprising the space and some gas such as hydrogen and helium. Here the temperature rises with the increasing height, which is due to the direct sunlight from the sun. The auroras formed in this region due to the release of the charge particles while striking of the earth's magnetosphere.
The earth is comprised of both the continental as well as the oceanic plate and these plates are constantly in motion due to the force exerted by the convection current generating in the mantle. This phenomenon is known as the plate tectonic theory.
Thus, the correct answers are mentioned above.
What is the probability that unicorn offspring will have a white horn? Brown horn?
Answers
The probability that the offspring will have a white horn is 3 out of 4, or 75%.
In unicorns, the trait of having a white horn (W) is considered dominant over having a brown horn (w). When two heterozygous unicorns, each carrying one dominant white horn allele (W) and one recessive brown horn allele (w), are crossed, the probability of their offspring having a white horn can be determined using Punnett squares.The possible genotypes of the parent unicorns are Ww and Ww. When these genotypes are crossed, the potential offspring can inherit one of the following genotypes: WW, Ww, Ww, or ww. Out of these options, three of them (WW, Ww, Ww) contain at least one dominant white horn allele, resulting in a unicorn with a white horn. Therefore, the probability that the offspring will have a white horn is 3 out of 4, or 75%. This calculation is based on the assumption that the genetic traits are inherited independently and follow Mendelian inheritance patterns.For more questions on genotypes
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Note: The question would be as
In unicorns, having a white horn (W) is dominant to having a brown horn (w). Two heterozygous unicorns are crossed. What is the probability that the offspring will have a white horn?
Astronomers have used several methods to derive estimates for the age of the universe. Identify the ways in which astronomers have done so from among those listed below. Astronomers determine estimates for the age of the universe from...
(1) Hubble expansion rate
(2) Uranium-238 abundance in old stars
(3) Radioactive dating of old Earth rocks
(4) Dark energy abundance
(5) Globular cluster ages
Choose all of the correct answers
Answers
The Astronomers determine estimates for the age of the universe from (1), (2), (3), and (5).
What is universe?The entirety of time, space, and everything in them, including all known types of matter and energy, make up the universe. Everything that exists is included in it, from the tiniest subatomic particles to the largest known formations, such galaxies and superclusters.
Astronomers have arrived at their estimates for the universe's age in the following ways:
(1) Hubble expansion rate: Using this technique, the redshifts of far-off galaxies are used to calculate the pace at which the universe is expanding. By projecting backwards from the universe's present expansion rate, the age of the universe can be determined.
(2) The amount of the radioactive element uranium-238 in old stars may be measured, and its decay rate can be used to determine the age of the stars and, by extension, the age of the universe.
(3) Radioactive dating of old Earth rocks: This technique entails figuring out the ages of the planet's oldest rocks using radioactive dating methods, which offers a more conservative estimate of the universe's age.
(5) The age of the oldest globular clusters in the Milky Way galaxy can be used to calculate the age of the universe using this approach, which is number five.
Thus, the appropriate choices are (1), (2), (3), and (5). Although it is employed in other cosmological investigations, the amount of dark energy is not used to directly calculate the age of the universe.
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Name three ways that humans benefit from the use of seedless plants
Answers
Answer:
They support life by being the first vegetation to spring up on harsh terrain where soil is scarce. Even when they perish, seedless plants give back to nature. Certain seedless plants like moss and liverworts actually leave behind a layer of fertile soil for other plants when they perish.
Explanation:
Seedless plants have historically played a role in human life through uses as tools, fuel, and medicine. Dried peat moss, Sphagnum, is commonly used as fuel in some parts of Europe and is considered a renewable resource.
General Science
1. Characteristics of Living Things, Binomial System and Ecology
a. Biology
b. Characteristics of Living Things
c. Types of Feeding
d. Food Chains, Webs and
Ecological Pyramids
2. Bahamian Ecosystems
a. Mangrove Ecosystem
b. Coral Reef
c. Sandy Beach
3. Pollution & Conservation
a. Air Pollution
b. Recycling
c. Biodiversity
4. Cell Structure and Organization a. Cells
b. Level of Organization in Organisms
5. Movement of Molecules a. Diffusion
b. Osmosis
6. Genetics
a. DNA
b. RNA
c. Biotechnology
7. Agriculture & Fishing a. Agriculture
b. Fishing
8. Nutrition
a. Food Tests
b. Enzymes
Answers
Answer:
Explanation:
1. A
2.B
3.A
4.B
5.B
6.A
7.B
8.A
Which of these meals would give you most of the nutrients that you need ?
1 .Meat, milk and a piece of chocolate
2 .Bread, vegetables and fish
3 .Vegetables, fruits and water
4 .Meat, fish and bread
Answers
Vegetables and fruits are excellent sources of vitamins, minerals, and dietary fiber, while water is essential for hydration. While the other options may contain certain nutrients, they might not provide as balanced and varied a nutrient profile as the combination of vegetables, fruits, and water.
Vegetables and fruits are rich in vitamins A and C, folate, potassium, and dietary fibers, while water keeps the body hydrated. Additionally, a diet rich in vegetables and fruits has been associated with reduced risk of chronic diseases such as heart disease, diabetes, and cancer.
While meat, milk, chocolate, fish, and bread are also important sources of essential nutrients, they do not provide the same variety and amount of nutrients as a diet rich in vegetables, fruits, and water. Furthermore, foods like meat and milk are high in saturated fat and cholesterol, which can contribute to chronic health problems if consumed in excess.
can you always determine what the element is
Answers
The number of protons in an element is the primary factor that determines the element's identity. It is not possible to change the total number of protons in an element without also changing its identity.
The atomic number rises by one and the identity of the element is altered when a proton is added to the nucleus. Isotopes may be produced by varying the number of neutrons in a substance.
This is further explained below.
What is an element?Generally, A chemical element is a race of atoms that have a certain amount of protons in their nuclei. An element also refers to the pure material that exclusively consists of that species of atoms.
In conclusion, In contrast to chemical compounds, chemical elements are incapable of being decomposed into more fundamental substances by any chemical process.
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How does the distance from focus to epicenter affect the strength or magnitude of an earthquake?
Answers
Answer:
Therefore, the farther a seismic recording station is from the earthquake epicenter the greater will be the difference in time of arrival between the P and S wave. ... For example, a magnitude 5 earthquake produces ten times greater ground motion than a magnitude 4 earthquake
Answer:
Beyond the above earthquakes can only get bigger by having more area on the fault to rupture. As an earthquake continues the rupture moves further and further away from the epicenter and thus dumps less and less energy at the epicenter.
Explanation:
Name the components of environment. Describe.
Answers
Answer:
The four major components of environment include lithosphere, hydrosphere, atmosphere and biosphere, corresponding to rocks, water, air and life respectively.
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have a great day..
Answer:
The four major components of environment include lithosphere, hydrosphere, atmosphere and biosphere, corresponding to rocks, water, air and life respectively.
hope this help you
have a great day..
PLEASE HELP!! WILL GIVE BRAINESTWhich of the following is the desired outcome of attaching streamers to the back of boats?Keeping birds from becoming tangled in fishing lineProviding habitat for lobstersReducing overall bycatch from drift nettingRemoving floating debris from the water
Answers
Answer:
Keeping birds from becoming tangled in fishing line.
why unraveling past climate changes is important and discuss several ways in which such changes are detected
Answers
Unraveling past climate changes is important because it helps us to understand the causes and consequences of climate change.
What is climate change?Climate change refers to the long-term changes in temperature and weather patterns. These may be natural or man-made changes.
Some examples of climate changes include sea level rise, rapid loss of ice mass loss in Greenland, Antarctica, and the Arctic, changes in floral and plant blossoming, and extreme weather occurrences.
Some methods by which past climate changes can be detected include:
Ice cores provide information on past climatic and weather conditions.Tree rings give information about past weather conditions.Sediment coresFossil recordsHistorical recordsLearn more about climate change at: https://brainly.com/question/1789619
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Complete question:
Explain why unraveling past climate changes is important and discuss several ways in which such changes are detected.