A cell containing 10% sugar is placed in a 5% sugar solution.
(Feel free to sketch a diagram if you need to!)
a. How will the water move?
b. How will the cell size change?
c. Is the solution hypotonic, hypertonic, or isotonic?
When a cell containing 10% sugar is placed in a 5% sugar solution. Water will definitely migrate out of the cell through the process of osmosis. The solution is hypertonic.
What is Osmosis?Osmosis may be defined as a type of process that involves the movement of water molecules from a region of high concentration to a lower concentration of water molecules through a semi-permeable membrane.
As a result of this, the net movement of water will be out of the body and into the solution. Due to this, a cell will shrink, and after sometimes it dies through a process known as plasmolysis. The size of the cell generally reduces as compared to normal.
Therefore, when a cell containing 10% sugar is placed in a 5% sugar solution. Water will definitely migrate out of the cell through the process of osmosis.
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Trenches occur at divergent plate boundaries. Please select the best answer from the choices provided T F
Answer:
false
Explanation:
In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. If two red-eyed heterozygous flies (Rr) mate together, what are the possible genotypes of their offspring? (Hint: You many want to complete a Punnett square.) RR and Rr Rr only RR and rr RR, Rr, and rr
Answer:
R r
R RR Rr
r Rr rr
Therefore, you have RR, Rr and rr as your possible genotypes.
Explanation:
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Which statement best describes the leaf structures of monocots and dicots?
A. Dicots have narrow leaves with parallel veins, and monocots have broad leaves with a network of veins.
B. Monocots have narrow leaves with parallel veins, and dicots have broad leaves with a network of veins.
C. Dicots have narrow leaves with a network of veins, and monocots have broad leaves with parallel veins.
D. Monocots have narrow leaves with a network of veins, and dicots have broad leaves with parallel veins.
Answer: B
Monocots differ from the dicots In the structural features of the leaves, the stems, roots, and flowers. The differences start from the very beginning of the plant's life cycle: the seed. Monocots have one cotyledon, while dicots have two. When it comes to leaves, monocots have narrow leaves with the typical parallel leaf veins. Dicots have broad leaves with a network of netted leaf veins (branching).Answer:
the answer is B
Explanation:
Which layer of the sun is responsible for producing the light shown in the picture above?
(A) Radiative zone
(B)Convective zone
(C)Photosphere
(D)Chromosphere
Answer:
The answer is C. Photosphere
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_______is a segment of DNA that is the basic unit of heredity and is transferred from parent offspring
Which if the following is the definition for speciation
Answer:
Explanation:
speciation is the formation of new and distinct species in the course of evolution.
explain how animal stem cells are different from plant stem cells
While both plant and animal stem cells can self-renew and differentiate, they differ in their origins, their capacity for differentiation, and their capacity for regeneration.
Animal stem cells: The inner cell mass of blastocysts is the main source of animal stem cells throughout the first stages of embryonic development. Additionally, they are available from a variety of adult tissues. These include neural stem cells in the brain, hematopoietic stem cells found in bone marrow and blood, and mesenchymal stem cells in adipose tissue. Meristems, specialised areas of plants where active cell division takes place, are the source of plant stem cells. While lateral meristems are in charge of secondary growth in stems and roots, apical meristems are located at the tips of shoots and roots. Plant stem cells are generated by these meristems. Animal stem cells are involved in two crucial processes: differentiation and regeneration. Since stem cells are undifferentiated, they have the capacity to differentiate into a variety of specialised cell types within an organism. Regeneration is the capacity of some organisms to regenerate missing or damaged body parts. Adult stem cells with the ability to self-renew and specialise into the precise cell type required for tissue healing are necessary for this process.
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what is the organism that is harmed in the parasitism called ?
A: Competitor
B: Host
C: Parasite
D: Prey
What are the three types of mutations
in the winter, ice floats on the top of a lake. how is this helpful to the plants that live in the lake
As water ice floats, it helps life on earth survive. In winter, the surface temperature is very low, and when the water freezes, the floating ice forms an insulating layer in the lake or sea. This layer of ice insulates the water beneath, keeps it liquid, and allows life to survive in it. Since water ice floats, it helps life survive on Earth. In the winter, when surface temperatures are low enough for water to freeze, floating ice forms a layer of insulation on top of lakes and seas. This ice layer insulates the water below it, allowing it to stay liquid, which allows the life within it to survive.
Why does ice float on the surface of the lake in winter?Near the freezing point, liquid water molecules begin to be placed in a hexagonal structure that fills the space. In winter, cold water becomes less dense and floats to the top as the temperature of the lake approaches below freezing.
What if the ice doesn't float on the water?If the ice doesn't float, it will. Water continues to radiate heat from its surface and becomes colder and colder until the water and everything in it harden from bottom to top.
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Give me half a tanker of iron," he joked, "and I'll give you the next ice age." Explain this quote from John Martin's original article.
The idea was that fertilizing the ocean and seas would lead to the in increase growth of phytoplankton population.
The oceanic plants do not release carbon dioxide into the air when they die because the sinks into the sea carrying with them the carbon dioxide for several centuries. This would then decrease the levels of carbon dioxide from the air as plants absorb carbon dioxide from the air during the process of photosynthesis.
Why does competition occur in ecosystems?
A. Competition never happens in ecosystems
B. Competition occurs only within populations
C. Competition happens because resources are limited.
D. Competition happens only over food
Answer:
Option C. Competition happens because resources are limited.
Explanation:
When resources are limited in an ecosystem, the species compete with each other to come out as best among all.
As per the theory of natural selection, Darwin proposed that it is always the fittest of all that survive. By fittest he means the ones who are capable to compete and come out as the strongest among all to survive in a given ecosystem.
For Example - Male compete among themselves to attract the female. This is known as sexual selection.
Hence, option C is correct.
Which structure is common in plant cells but rare in animal cells? ribosome mitochondrion vacuole lysosome
Answer:
mitochondria
Explanation:
The correct answer is option c) Vacuole because it is common in plant cells but rare in animal cells.
Vacuoles are membrane-bound organelles found in plant cells, as well as some fungal and protist cells. They are large, fluid-filled sacs that perform various functions, including storage of water, nutrients, and waste products, maintaining turgor pressure, and supporting the structure of the cell.
While animal cells may contain small vacuole-like structures called vesicles, they typically lack the large, central vacuole characteristic of plant cells. Therefore, vacuoles are much more abundant and prominent in plant cells compared to animal cells.
The incorrect options are:
a) ribosome: Ribosomes are present in both plant and animal cells. They are responsible for protein synthesis and are essential organelles found in all types of cells.
b) mitochondria: Mitochondria are found in both plant and animal cells. They are responsible for cellular respiration, producing energy in the form of ATP. While there may be some structural and functional differences between plant and animal mitochondria, they are present in both types of cells.
d) lysosome: Lysosomes are membrane-bound organelles containing enzymes responsible for intracellular digestion and waste removal. While lysosomes are more prevalent in animal cells, they are also found in some specialized plant cells, particularly those involved in defense and recycling processes. Therefore, while lysosomes may be rarer in plant cells compared to animal cells, they are not entirely absent.
The correct question is :
Which structure is common in plant cells but rare in animal cells?
a) ribosome
b) mitochondrion
c) vacuole
d) lysosome
Which of the following is a result of gravitational forces in the Solar System? A. the radiation given off by Jupiter B. that Saturn is farther away from the Sun than Earth is C. the difference in surface temperature on each of the planets D. the orbit of planets around the Sun in the Solar system
it be d my dude
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Which biome is an animal with thick fur best suited for?
explain why earthquakes and volcanoes appear in generalized belts around the planet.
Which of the following is an example of a constructive force? A. buildings collapse in an earthquake B. river erosion within the Grand Canyon's rock walls C. weathering of a mountain due to rain D. a volcano eruption
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True or False: Alex used her fingers to remove the lid from a can of vegetables after he opened it with a can opener. Sophia knows this is an unsafe procedure.
In the 1990’s, scientist showed that Archaea and Bacteria are very different groups of organisms. How did the impact the classification system of organisms? A. The levels of classification decreased. B. The levels of classification increased. C. The trinomial nomenclature was introduced. D. The bionominal nomenclature was introduced.
What is the basis of an organic molecule?
A.The basic structure is the carbon atom.
B.The basic structure is the potassium atom.
C.The basic structure is a carbon monoxide molecule.
D.The basic structure is the iron atom.
Which sentence uses a demonstrative adjective that points out something near?
A. This ring on your finger is beautiful.
B. Sam tested that porch light.
C. Fred has those books at his house.
What is the function of sporangia
The bread mold plant that has fine thread-like projections called hyphae and slender stems with knob-like structures that contain spores, which are haploid structures made in organisms that allow them to germinate and form new organisms.
What is Sporangia?A sporangium is defined as the enclosure in which spores are formed which may be unicellular or may be multicellular. All plants, fungi, and many other genera form sporangia at some point in their life cycle.
A sporangium is described as the structure in some plants and other organisms charged with making and storing spores which are haploid structures made in organisms that help germinate and form new organisms. These help organisms to reproduce.
Thus, the bread mold plant that has fine thread-like projections called hyphae and slender stems with knob-like structures that contain spores.
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You have isolated a particular virus and have found that the amount of thymine present in its double stranded DNA is 23%. Based on that knowledge, what can you predict to be the percentage of guanine present in the same sample?
23%
46%
27%
54%
The Answer Is 27% . . . . . . . . . . . . . The dots are so I can post the answer, because without a long reply I can't answer.
Answer:
27% .
Explanation:
A (adenine) pairs with T (thymine) and has the same percentage. C (cytosine) pairs with G (guanine) and they both have the same percentage. In this case, the percentage of T (thymine) is 23%. So A (adenine) will also have 23%. This leaves the remaining percentage at 54% (100-46). So G and C will have 27% each (totaling 54%).
During What stages of meiosis might the Y chromosome have transferred genes to the X chromosomes
Final answer:
During prophase I of meiosis, the X and Y chromosomes in an XY mammal pair up at a small region of homology and can potentially exchange genetic material through synapsis, though such gene transfers are rare.
Explanation:
The transfer of genes from the Y chromosome to the X chromosome can occur during prophase I of meiosis in an XY mammal when synapsis happens. During prophase I, there is a small region where the X and Y chromosomes are homologous allowing them to pair up. A partial synaptonemal complex develops between these regions of homology, which can potentially permit genetic material to be transferred between the chromosomes. However, such transfers are quite rare. In cases where genes like SRY, the sex-determining region, might transfer from the Y chromosome to the X chromosome, this can disrupt typical sexual development in offspring. In humans, the Y chromosome is much shorter than the X chromosome and carries fewer genes, making extensive exchange of genetic material between these chromosomes uncommon.
What type of relationship exists between two organisms if one of them benefits but the other is neither helped nor harmed from the relationship?
Answer:
A. mutualism: a relationship in which both species benefit
B. commensalism: a relationship in which one species benefits and the other species is neither helped nor harmed
C. parasitism: involves one organism living on or inside
another organism and harming it.
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Explanation:
A human born prematurely during the third trimester will be in the greatest danger due to what?
The answer I got is lungs.
what is the process of photosynthesis
If the wind changes direction, and the ship veers off course, what type of feedback loop results in the ship returning to its course?
Why are plants in the alpine biome typically low growing? a. They have limited access to nutrients. b. They have limited access to sunlight. c. They have too much access to water. d. The have access to nutrient-rich soil. Please select the best answer from the choices provided
Answer: they have limited access to sunlight
Explanation: