Answer:
actually my friend, its capillary action
Explanation:
Capillary action (sometimes capillarity, capillary motion, capillary effect, or wicking) is the ability of a liquid to flow in narrow spaces without the assistance of, or even in opposition to, external forces like gravity. The effect can be seen in the drawing up of liquids between the hairs of a paint-brush, in a thin tube, in porous materials such as paper and plaster, in some non-porous materials such as sand and liquefied carbon fiber, or in a biological cell. It occurs because of intermolecular forces between the liquid and surrounding solid surfaces. If the diameter of the tube is sufficiently small, then the combination of surface tension (which is caused by cohesion within the liquid) and adhesive forces between the liquid and container wall act to propel the liquid.
Capillary action of water refers to water's ability to move up the stem of a plant against the force of gravity.
What do you mean by capillary action?Capillary action is the process of a liquid flowing in a narrow space without the assistance of, or even in opposition to, any external forces like gravity.
Capillary action is important for moving water (and all of the things that are dissolved in it) around. It is defined as the movement of water within the spaces of a porous material due to the forces of adhesion, cohesion, and surface tension.
Examples of capillary action include the uptake of water in paper and plaster (two porous materials), the wicking of paint between the hairs of a paintbrush, and the movement of water through sand.
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What holds the chromatids together
Cohesin is a protein complex that regulates the separation of sister chromatids during cell division, either mitosis or meiosis. Cohesins hold sister chromatids together after DNA replication until anaphase when removal of cohesin leads to separation of sister chromatids.
The chromatids are held together by the centromere.
Explanation:The chromatids are held together by a structure called the centromere.
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what can cause a gap in the rock record a) Lack of rock deposition. b) erosion. c) neither erosion nor lack of deposition. d) Both erosion and lack of rock deposition
Answer:
The answer is
D)Both erosion and lack of rock deposition
Explanation:
The plasma membrane is composed of a phospholipid bilayer with embedded proteins. What is one of the functions of the embedded proteins? A. protecting the cell from physical harm B. defining the cell's structure and shape C. preventing the phospholipid tails from binding together D. allowing specific substances to flow into the cell
the correct answer is
D
The plasma membrane is composed of a phospholipid bilayer with embedded proteins. The function is allowing specific substances to flow into the cell.
The function of the plasma membraneThe plasma membrane is a fundamental structure surrounding all biological cells, composed of a phospholipid bilayer with embedded proteins. It serves as a selectively permeable barrier, regulating the passage of substances into and out of the cell. Additionally, the membrane plays a role in cell identity and recognition through its glycoproteins and glycolipids, facilitating essential cellular functions and interactions.
Embedded proteins in the plasma membrane play a crucial role in regulating the passage of substances into and out of the cell. They act as transport proteins, channels, and receptors, allowing specific molecules and ions to enter or exit the cell, and they are essential for various cellular processes such as nutrient uptake, signal transduction, and communication with the external environment.
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Students ask if convection currents are strong enough to move heavy objects. They use a fish tank and a toy boat that floats. Then they place the boat in the tank and watch it for 10 minutes. It doesn’t move. Next they put a hot plate under one side of the fish tank and turn it on. They watch for a half hour, and at the end of that time, the boat has moved across the aquarium away from the heat. What is a flaw in the experimental design of this experiment? Question 14 options: The toy boat should have enough weight to sink. The hot plate should have been used in the first test. The fish tank should have been filled with different liquids. The amount of time should have been the same for both tests.
They should have had the same time for both.
Should women who are not pregnant and men be concerned about Zika infection?
Yes. It is known that Zika can be spread sexually. So, even infected people who do not have symptoms can pass it on to others.
Answer:
Yes, they should be very concern about Zika infection
Explanation: Because, It is known that Zika can be spread sexually. So, even infected people who do not have symptoms can pass it on to others.
Which feature is not found in viruses? A)DNA B) RNA C) mitochondria D) protein capsid
It's mitochondria :)
Answer:
c. mitochondria
Explanation:
viruses have no membrane bound organelles and this includes mitochondria
Which statement about biomes is true? A. Different biomes share similar plants and wildlife. B. Each biome has only one ecosystem. C. There are only three biomes on the Earth. D. Biomes are determined by climate zones.
D is the correct answer.
Answer: D. Biomes are determined by climate zones.
Explanation:
A biome is a community of animals, plants and other living organisms. The organisms living in a particular biome acquire the adaptations according to the climatic conditions of the region. In other words, the type of biome is affected by the climatic conditions of the region. For example a region which receives very low annual rainfall, with dry and hot climatic condition will result in a desert biome.
On the basis of the above explanation, D. Biomes are determined by climate zones. is the correct option.
Bone marrow is a soft, spongy, connective tissue found inside bones. Bone marrow contains stem cells, which can generate new blood cells and, therefore, can treat many diseases of the blood. In the past, extracting bone marrow from a donor required anesthesia and a long, large needle. The process often discouraged people from signing up to be donors. A process called apheresis has made the process much less painful and invasive. In apheresis, the donor's blood passes through a sterile line into the machine. Once the blood is inside the machine, the bone marrow stem cells are extracted, and the remaining blood is returned to the donor. Donors typically only experience minor discomfort from the needles used and the loss of electrolytes. Describe how you think this advance in biotechnology will affect individuals and society. Be sure to include any potential medical or ethical issues that could arise from this new practice.
In my opinion, the progression in biotechnology will influence the people and society in a positive manner. The donors will assist in saving lives, and those who get the donations will be in better help. An ethical problem is that some of the individuals would not encourage the procedure as it is not morally right.
Some may even refuse to accept the transplant, if it goes against their beliefs, in spite of their life being in threat. The medical complications comprise the transfer of probable diseases. If the donor exhibit pathogens of which the body of the patient has not fought yet, then they can come in contact with the diseases. However, in case if the immune system of the recipient is weakened, then it is easier for the patient to get in contact with the diseases.
Answer:
the progression in biotechnology will influence the people and society in a positive manner. The donors will assist in saving lives, and those who get the donations will be in better help. An ethical problem is that some of the individuals would not encourage the procedure as it is not morally right.
Explanation:
To test acidity levels of water, scientists test pH. As acid rain falls, the pH level of the water in lakes and streams decreases. While certain animals can tolerate low pH levels, others are extremely sensitive to the effects of acid rain and cannot live under these conditions. Candice is working on a project to determine whether acid rain is causing a decrease in the number of bass and mayflies in a lake in her hometown. Candice takes a sample of the pH level of the lake, and she finds that the pH level is 5.4. What might Candice predict as a result of her findings
The lake's pH level of 5.4 is decreasing the amount of bass and mayflies.
hope this helps :)
Answer:
The correct answer would be- the amount of bass and mayflies will decrease due to the acidic environment.
Explanation:
Bass and mayflies are insects that are sensitive to high acidic water or soil. These organisms can not live under 5.5 pH and there will be a decrease in the number of this organism with a further decrease in pH value.
Candice found that the pH level of the lake is 5.4 which is below the sensitive level of bass and mayflies will result in decreases in the amount of these organisms.
Thus, the correct answer is - the amount of bass and mayflies will decrease due to the acidic environment.
What are sources of compost for a person living in Canada versus a person living in Arizona?
Thanks for this question. Please find the answer below:
The sources of compost for a person living in Canada versus a person living in Arizona are as below:
Canada:
Management systems working on reduction, reuse, composting. Non-profits.
Arizona:
The US government Government management systems
For a person living in Canada, potential sources of compost include leaves, grass clippings, fruit and vegetable scraps, coffee grounds, eggshells, and garden waste. For someone in Arizona, composting materials might be similar, but there could be a greater use of dry leaves, straw, pine needles, and even manure from local ranches or farms due to the drier climate.
Composting is a biological process in which microorganisms, including bacteria and fungi, break down organic matter into simpler compounds. The environmental conditions in Canada and Arizona are different, which affects the types of organic materials that are readily available for composting. Canada's wetter and cooler climate may provide a more diverse range of green and brown materials for compost, such as grass clippings and fallen leaves. In contrast, Arizona's arid climate might limit the availability of green waste, making it important to balance the compost with appropriate brown materials like straw or sawdust to maintain proper moisture levels. Both regions can also utilize kitchen waste, but it is crucial to keep the compost well-aerated and balanced between green (nitrogen-rich) and brown (carbon-rich) materials for effective decomposition.
Which feature enables the nucleus to send and receive information through the nuclear membrane?
Pores, Good luck. :) <3
Which is the site of the light-dependent reactions of photosynthesis?
Photosynthesis occurs in the chloroplast of plant cells. Thylakoid is a membrane-bound compartment in the chloroplast, which is the site of the light-dependent reaction of photosynthesis.
Answer:
The light dependent reaction of photosynthesis takes place in the thylakoid membrane of the the organelles called chloroplast.
The light dependent reaction uses light energy( sunlight) to make molecules required for the process of photosynthesis. Out of two one is ATP molecule and the other one is NADPH.
These two molecules along with carbon dioxide and water starts the process of photosynthesis.
HELP ASAP 20 POINTS
Which property provides clues about how igneous rocks were formed?
Question 10 options:
color
texture
luster
streak
The property that provides clues is texture.
the answer is texture
PLZ 25 POINST WILL VOTE BRAINLIEST whats the difference and similarities between rocks and minerals fill out the Venn diagram
rocks are solid
rocks are made up of sand
rocks have more mass
minerals are loose
minerals are grainy
minerals have little mass
A tropical rainforest may be unable to return to its original climax community after which of the following disturbances?
A. burning of a forest fire
B. clearing and farming
C. volcanic eruption
D. flooding after a hurricane
The right option is; B. clearing and farming
Tropical rainforests are forests located in tropical regions of heavy rainfall and are found in places such as Hawaii, Brazil, Africa and Indonesia. The heavy rainfall and the yearly high temperatures of tropical rainforests are good conditions for vegetation growth and it contains several species of wildlife and vegetation such as kapok tree, lianas, shrubs and ferns. Clearing and farming is a major problem caused by humans on the tropical rainforest that may make the forest not to return to its original climax community.
3. You begin with one cell that contains twelve chromosomes. This cell undergoes one mitotic division (you need to know the end result of mitosis to get this answer right). a. How many cells will you end up with after the cell divides? (1 point) b. How many chromosomes will be in each of the cells when the division is complete? (1 point)
After one mitotic division, end result will be two cells.
Explanation:Because mitosis is a cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.
Part 2:There will be 12 chromosomes in each daughter cell.
Explanation:Because number of chromosome remain same (diploid) in mitosis.
Final answer:
Following mitotic division, one would end up with two cells, each containing twelve chromosomes, the same number as the original cell. Mitosis, followed by cytokinesis, ensures genetic consistency and the diploid state is maintained in the daughter cells.
Explanation:
Outcome of Mitotic Cell Division
When a cell containing twelve chromosomes undergoes one mitotic division:
a. Number of Cells: You will end up with two cells after the cell divides.
b. Number of Chromosomes per Cell: Each of the cells when the division is complete will have twelve chromosomes.
Mitosis ensures that each daughter cell receives an identical set of chromosomes to the parent cell. It is a multi-phase process consisting of prophase, metaphase, anaphase, and telophase, followed by cytokinesis. During cytokinesis, the cytoplasm divides to form two genetically identical daughter cells.
Cytokinesis completes the process started by mitosis, where each nucleus has equally separated chromosomes. This results in both daughter cells being genetically identical with a diploid number of chromosomes, identical to the parent cell. This process occurs in all normally dividing cells except germ cells.
Characteristics used to describe matter are
The answer is it's property.
Matter is defined as anything that has mass and occupies space. Particles, from smallest to largest and Amal is the greatest Subatomic particle.
which kind of volcano is most likely to form from this plate movement ?
A. Shield Volcano
B. Cinder cone volcano
C. Composite volcano
D. Trench volcano
Answer:
C. Composite volcano
Explanation:
I pass the test :)
The kind of volcano which is most likely to form from this plate movement is a composite volcano. Thus, the correct option is C.
What is Volcano?A Volcano may be defined as an opening of the earth's crust through which molten rock, hot gases, and other materials erupt drastically.
Convergent plate boundaries lead to the occurrence of a composite volcano. The movement of such plate boundaries creates the thick magma required for molten rock or magma for these eruptions.
Therefore, the correct option is C.
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Select all that apply. Many insects go through different physical changes during growth. These insects include the _____.
butterflies and house flies.
Hope this helps!
Answer:
butterflies and house flies.
There are several mechanisms through which reproductive isolation occurs. Which situation is an example of behavioral isolation? A. Red and purple sea urchins cannot reproduce with one another because the sperm and egg cannot fuse. B. Males of different, closely related species of fireflies signal for mates by flashing different light sequences. C. The reproductive organs of snails only properly align when the male and female belong to the same species. D. Mules, the offspring of a male donkey and a female horse, are unable to reproduce because they are sterile.
Answer: B. Males of different, closely related species of fireflies signal for mates by flashing different light sequences.
Reproductive isolation refers to the inability of the members of a species to breed with members of other species. Behavioral isolation is a type of reproductive isolation, in which mating between the members of the species is facilitated by their behavior. It helps members of the same species to identity their mates. It prevents mating between population of distinct species.
Males of different, closely related species of fireflies signal for mates by flashing different light sequences is an example of behavioral isolation because flashing of light by fireflies is the behavioral characteristic which shows their desire for mating. The mates identify the light signals flashed by their partner belonging to the same species.
Answer:
b for test
Explanation:
i got it right
what are the four carbon macromolecules the body uses and makes?
Living things are made of types of molecules, known as macromolecules.
There are four major classes of biological macromolecules:
carbohydrates
lipids
proteins
nucleic acids
Each of these types of macromolecules performs a wide array of important functions within the cell; a cell cannot perform its role within the body without many different types of these crucial molecules. In combination, these biological macromolecules make up the majority of a cell’s dry mass. (Water molecules make up the majority of a cell’s total mass.) All the molecules both inside and outside of cells are situated in a water-based (i.e., aqueous) environment, and all the reactions of biological systems are occurring in that same environment.
What are the functions of photosystem II
A specialized protein complex that uses light energy to drive the transfer of electrons from water to plastoquinone, resulting in the production of oxygen and the release of reduced plastoquinone into the photosynthetic membrane.
Photosystem II (PSII) is a specialized protein complex that uses light energy to drive the transfer of electrons from water to plastoquinone, resulting in the production of oxygen and the release of reduced plastoquinone into the photosynthetic membrane.
When did the Big Bang therroy occur
13.8 billion years ago
I say 13.9 billion years ago
the use of ammonia as a refrigerant is a problem because it is
-expensive
-destructive to the ozone layer
-toxic
-damaging to the refrigerator components
Answer: The use of ammonia as a refrigerant is a problem because it is toxic.
Explanation:
The use of ammonia as a refrigerant is a problem because it is toxic.
Ammonia may cause severe burns and migrates to moist areas of the body like skin, eyes, nose, throat etc due to its hygroscopic nature.
Ammonia has a much broader explosive range as it is toxic in nature.
so, use of ammonia in refrigerator is a problem.
Hence, Third option is correct.
Since ribosomes are found in bacterial cells, do ribosomes have a membrane around them? Why or why not?
No. Ribosomes do not have a membrane. They are composed of 2 subunits - the small subunit is where the mRNA is read and the large subunit is where the amino acids are joined together to form the polypeptide (protein) - a membrane would interfere with this process. Plus, ribosomes are in both eukaryotes and prokaryotes - and prokaryotes have NO membrane bound organelles.
Ribosomes do not have a membrane around them because they are free structures that just float through the cell's cytoplasm.
Ribosomes are referred to as the macromolecular machines that are found in the cells of organisms. The main function of ribosomes is to perform protein synthesis.Ribosomes are also important for the formation of peptide bonds. Ribosomes do not have membranes despite the fact that they're bound by membranes. Each ribosome is made from two sub-units.Due to the fact that they don't have membranes, they can't pick up translatational RNA that are released.In conclusion, ribosomes do not have a membrane around them.
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Scientists previously referred to the long-ago deposited plant and animal remains, now buried, compacted, and transformed into coal and oil, as the dead-end of the carbon cycle. Since the Industrial Revolution, that would be an inaccurate statement. Why?
It's no longer the dead-end of the carbon cycle. Since the industrial revolution, this material has been taken out of the ground (by Oil and Gas companies) which is for the most part subsequently burned - of which the final by-product is CO2. This fossil material also goes into making plastics and other chemicals - so the "dead-end of the carbon cycle" is not quite so straight forward anymore.
A biologist examines a single-celled organism isolated from a hot spring. The organism is a photosynthetic halophile that uses the pigment bacteriorhodopsin. In which kingdom should the biologist classify the organism?A. BacteriaB. ProtistaC. FungiD. Archaea
Answer:
(D). Archaea.
Explanation:
Archaea are single-celled, prokaryotic organisms that can survive in extreme conditions. Archaea that live in environments with extreme salt concentrations are known as halophiles.
Archaea use bacteriorhodopsin, a protein which helps in photosynthesis. It helps in capturing energy from light and converts it into chemical energy in the form of ATP molecules.
Thus, the correct answer is 'option (D).'
(Select all that apply.) The four classes of organic molecules are _____. carbon carbohydrates polymers lipids nucleic acids amino acids proteins fatty acids
Carbohydrates
Lipids
Nucleic Acids
Proteins
Carbohydrates, lipids, proteins and nucleic acids are the four classes of the organic molecules. The correct options are B, D, E, and G.
What are organic molecules?The organic molecules are the one having a carbon atom bonded with other molecules.
The four classes of the organic molecules include carbohydrates, lipids, proteins and nucleic acids.
Thus, the correct options are B, D, E, and G.
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what happens to chemical bonds during chemical reactions?
During chemical reactions, the chemical bonds between the atoms in the reactants are transformed. Bonds are broken in the reactants and new ones are created in the products, leading to the transformation of substances.
During chemical reactions, the chemical bonds between atoms in the reactants undergo changes.
This occurs because chemical reactions involve processes that break down the bonds in the reactants and form new ones in the products.
This is important for the transformation of substances. For instance, water forms due to a chemical reaction where two hydrogen atoms bond with an oxygen atom.
Hence, chemical bonds play a critical role in the process of chemical reactions, facilitating the transformation of one chemical substance into another.
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During transcription, adenine is complementary of what nucleotide?
Answer: During transcription, adenine (A) is complementary to uracil (U) in RNA.