The sucrose moved in sink by active transport.
What is active transport?Active transport is a type of transport in which the cell expends energy to move solutes against their concentration gradients. The sodium-potassium pump is an example of active transport. Active transport differs from passive transport in that the cell does not expend energy.
In this case, the sucrose moves from companion cells in sink elements by active transport. This reduces the water potential of the sink element by osmosis, which increases the hydrostatic pressure.
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(love) Every mother ____ her children.
Answer:
love fill in the blank
hope it is helpful
How does dermal tissue help plants on a hot day?
It releases substances so plants can absorb more water from the soil.
It has a waxy material that prevents the loss of water to the environment.
It has guard cells that open to prevent the loss of water to the environment.
It contains chemical substances that allow plants to use water more quickly.
The function of y is to transport ___ produced by plants during __ to other parts of plants.
Answer:
dissolved food substances,photosynthesis
Explanation:
Y is the phloem
Transportation occurs from the leaves to other parts of the plant
During appositional growth of cartilage, the cells that produce the matrix are the:
During the appositional growth of cartilage, the cells that produce the matrix are the chondroblasts.
What are chondroblasts?Chondroblasts are a type of specialized cell found in bone tissues that help with its growth.
Appositional growth is a special type of growth in the bones where the medulla cavity undergoes reabsorption.
In conclusion, during the appositional growth of cartilage, the cells that produce the matrix are the chondroblasts.
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What do you call a chemical within the postsynaptic neuron that is indirectly activated by synaptic activity and interacts with intracellular enzymes or receptors?
A chemical within the postsynaptic neuron that is indirectly activated by synaptic activity and interacts with intracellular enzymes or receptors is second messenger.
What is second messenger?
A second messenger is a substance whose release within a cell is promoted by a hormone and which brings about a response by the cell.
This chemical is within the postsynaptic neuron that is indirectly activated by synaptic activity.
Thus, a chemical within the postsynaptic neuron that is indirectly activated by synaptic activity and interacts with intracellular enzymes or receptors is second messenger.
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. What characteristics of this Royal Pedigree fit with the expectations for an X-linked, recessive disorder?
X-linked recessive disorders are typically common in males than in females as seen in the Royal pedigree.
What are X-linked recessive disorders?X-linked recessive disorders are disorders which occur as a result of a mutation in the X chromosome.
X-linked recessive disorders are typically common in males than in females.
Females can be carriers but males are always affected when the mutation is present.
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Define fulcrum?
please help me
Answer:
Fulcrum is the type of machine which helps us to lift the material from any places
Answer:
The fixed point on which a lever turns in moving a body.
Explain why the biodegradation of plastic might be more hazardous to the environment than the presence of plastic as marine debris.
Answer:
they generate a large amount of macrobiotic flora which can cause diseases to humans as well as animals
Answer:
While plastic is not generally considered biodegradable, it can be broken down by the action of photodegradation and certain microbes. The breakdown products of plastic, however, are extremely toxic to marine life and once the plastic breaks down they are free to enter into the food chain. Therefore, while plastic marine debris is hazardous and dangerous to marine organisms, the toxic breakdown products of plastics have the potential to do even more damage.
Explanation:
Sample answer :)
Cellulose is a starchy carbohydrate.
Which of these statements about
cellulose is TRUE?
A. Cellulose is rarely found on Earth.
B. Cellulose is a type of fat.
C. Cellulose is a complex carbohydrate.
D. Cellulose dissolves easily in water.
Answer:
the answer is d
Explanation:
because as the first statement tell you it is a carbohydrate so B is eliminated .
and we know that it is found in plants so A is eliminated too.
and it makes cell wall and can not easily dissolve in water and d is eliminated so definitely the answer is C
The true statement about cellulose is a complex carbohydrate. The correct option is C.
What is cellulose?Cellulose is a glucose-based linear polymer (polysaccharide) that is found in nature. Its chemical formula is (C6H10O5)X. Plants typically produce it through synthesis.
The primary characteristics of this polysaccharide are biodegradability and hydrolysis resistance. The sturdy formation of plant cell walls is greatly aided by cellulose, a hard, fibrous, and water-insoluble polysaccharide. 20.
The fibrils (bundles of microfibrils) and microfibrils (bundles of polysaccharides) made up of cellulose chains make up the plant cell wall. It is colorless and tasteless.
Therefore, the correct option is C. Cellulose is a complex carbohydrate.
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Following a bad fall on the ice, 54-year-old Neal landed on his gluteal region. Subsequently, he has absolutely no feeling in the skin overlying the hamstring muscle group. What nerve do you suspect has been lesioned in the fall
The posterior cutaneous nerve of the thigh.
Loss of sensation to the sole of the foot would result from nerve blockade of the tibial nerve at the medial malleolus.
What is a sensory nerve?A sensory nerve carries sensory information to the nervous system. Sensory information is that which is coming from external stimuli such as pressure and temperature. If a sensory nerve is damaged, the person loses sensation in that region of their body. This explains why the patient cannot feel his fingers.
Thus, this could be the answer.
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Cells are for tissues as organs are to
Answer:
Your answer is organ systems.
which part of the body contains enyzmes that break down protein
Answer: Stomach
Explanation:
The stomach produces pepsin which is an enzyme that digest proteins.
Answer:
In the stomach, pepsin is the main digestive enzyme attacking proteins.describe 4 differences between a bactrial cell and a plant cell
Answer:
Genetic material, cell wall, photosynthesis, and ribosomes.
Extras: vacuole, flagella
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How does water enable substances to pass through a cell membrane? How does water enable substances to pass through a cell membrane ?
Answer/Explanation:
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis ). Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Source:
https://www2.estrellamountain.edu/faculty/farabee/biobk/biobooktransp.html#:~:text=Water%2C%20carbon%20dioxide%2C%20and%20oxygen,to%20cross%20the%20cell%20membrane.
Hope this helps!
Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis.
What is Cell membrane?
Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
All cells have a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external environment.
A semipermeable lipid bilayer makes up the cell membrane. The movement of materials into and out of the cell is controlled by the cell membrane. The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell, and that membrane has several different functions.
Therefore, Water, carbon dioxide, and oxygen are among the few simple molecules that can cross the cell membrane by diffusion (or a type of diffusion known as osmosis.
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Two students are planning an experiment that will test how planaria (aquatic flatworms) respond to different environments. They will conduct two investigations—one that tests the worms’ responses to different water temperatures and one that tests the worms’ responses to different levels of acidity. Student 1 wants to buy two groups of flatworms and use a different group for each investigation. Student 2 thinks the same group of worms should be used for both investigations.
Do you think either student’s method would give more accurate results? Why or why not? Explain your response.
Student 2 is correct and the same group of worms should be used.
What is an experiment?An experiment is the process by which we establish cause and effect relationships in science. The control variable are those that must be kept the same in the experiment.
We know that the experiment will only be valid if the research is carried out with the same group of worms. If different groups of worms are used, other factors may account for the results obtained.
Thus student 2 is correct and the same group of worms should be used.
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simplexviruses can establish latent infections of ________ cells.
Simplexviruses establish latent infections of nerve cells.
What are simplex viruses?Herpes Simplex viruses are viruses that are ubiquitous and causes wide range of diseases.
They are of two types;
Herpes simplex virus type 1 (HSP-1)Herpes simplex virus type 2 (HSP-2)Simplex viruses causes or establishes latency in trigeminal ganglia sensory neurons in individuals.
Therefore, simplexviruses establish latent infections of nerve cells.
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If the threshold of excitation is reached, action potential begins, which causes the inside of the cell to temporarily have a ________ charge.
If the threshold of excitation is reached, action potential begins, which causes the inside of the cell to temporarily have a positive charge.
What is an Action potential?This occurs when the neuron is completely depolarizes back and the cell gets back to the resting potential.
The inside of the cell temporarily has a positive charge which is why it was chosen as the most appropriate choice.
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If the threshold of excitation is reached, action potential begins, which causes the inside of the cell to temporarily have a positive charge.
What is an Action potential?An action potential may be defined as a temporary alteration in the neuron's membrane potential induced by ions unexpectedly flowing in and out of the neuron.
The inside of the membrane becomes positive due to the influx of Na+ ions and efflux of K+ ions during the mechanism of electrical impulse.
Therefore, it is well described above.
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categorize the following events as part of g1, g0, g2, or s phase of interphase.
The events are categorized thus;
G1 phaseG0 phaseS phaseG2 phaseWhat are the sub-phases of Interphase?The sub-stages of interphase is;
Gap 0 (G0) Phase: This is called a resting period. It lasts for a short time or long more permanent period. Gap 1 (G1) Phase: It is also called the first gap phase. Here, the cell starts growing, enlarges physically, copy of organelles and produces all the necessary molecular building blocks such as RNA and proteins for the next phase are synthesized. S Phase: The cell produces a complete copy of DNA in the nucleus to produce two similar daughter cells. This stage is marked by DNA replication.Gap 2 (G2) phase: In this phase, the cell grows, produce proteins and organelles and the constituents of the cell are arranged in preparation for mitosis.Therefore, the events are categorized thus;
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A purple flower with a genotype PP is crossed with a white flower that has a genotype of op. What would the phenotype of the offspring be? You may need to use a punnet square to answer the question .
When a purple flower with a genotype PP is crossed with a white flower that has a genotype of pp. The phenotype of the offspring would be Purple (Pp).
What is Genotype?Genotype may be defined as the ultimate combination of the alleles of those genes which are selected for specific studies.
The phenotype of the offspring would be Purple (Pp). This is because the allele of the purple phenotype is dominant over the allele of the white phenotype. That is P > p.
The Punnett Square may be represented below:
Therefore, it is well described above.
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According to the tree, which primates share the most recent common ancestor with humans? gorillas chimpanzees bonobos and chimpanzees bonobos and gorillas
According to the tree, chimpanzees and bonobos are the most common recent ancestor with humans.
According to the phylogenetic tree, bonobos and chimpanzees are the nearest to humans hence, they are the most common recent ancestor with humans.The chimpanzee is the creature with which humans have the most recent common ancestor within that clade. Chimpanzees are the closest surviving relatives of humans, according to the Hominidae Family Tree.The closest living relative of humans is the chimpanzee. Their common ancestor is them. They are a member of the animal world and are very linked to one another. The bonobo genome shares traits with the human genome. They share the same chromosomal count as humans. Despite having a genetic connection, they behave differently.learn more about ancestor with humans here: https://brainly.com/question/6539383
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Write a short description of the life cycle of a flowering plan
Answer:
Flowering plants begin as seeds. These seeds store energy and food within them long enough to reach the right environment and germinate. Germination is the development of a plant, growing from a seed into a seedling. Seedlings are the second stage of a flowering plant's life. This is when their roots begin to form and photosynthesis can begin. Next comes the growth period. After the seedling is planted, it requires a lot of food and energy as more leaves begin to emerge. The next stage of a flowering plant's life is the flowering stage itself. This is when buds and flowers begin to sprout. It enters the reproductive stage and pollination begins, allowing more seeds to be sown.
Which represents a negative impact of technology?
A. Accessible technology
B. Production of waste
C. Improvement in climate
D. Access to more resources
Answer:
B
because it is harmful
A ligamentous connection such as an antebrachial interosseous membrane is called a.
Answer:
syndesmosis
Explanation:
fibrous joint in which two adjacent bones are linked by a strong membrane or ligaments. This definition also applies for the distal tibiofibular syndesmosis, which is a syndesmotic joint formed by two bones and four ligaments.
Question 6(Multiple Choice Worth 2 points)
(04.06 MC)
Which statement best describes a decrease in biotic potential?
O Deer increase their rate of reproduction on an island.
Rabbit population increases in a grassland biome.
O Lions have larger broods after successful hunting.
O Seals have more offspring when food is plentiful.
Explanation:
seals more offspring when food is plentiful
Active and passive immunity involves all of the following except receiving mother's antibodies through breast-feeding. exposure to a pathogen either naturally or by vaccination. memory B cells responding to a second exposure to the same pathogen. the stimulation of a nonspecific immune defense. receiving mother's antibodies through the placenta.
Explanation:
Immunity is the ability of an animal to resist infection.
There are two types of immunity in the body; INNATE OR INHERITED IMMUNITY AND ACQUIRED IMMUNITY. Inherited immunity it is the type of immunity that one is born with. It is passed from parent to offspring.
Acquired immunity is immunity to particular infections that is not inherited but has developed in the animal's life as it interacts with its environment. Acquired immunity can develop naturally in which case it is called NATURAL ACQUIRED IMMUNITY OR ARTIFICALLY.
ACTIVE IMMUNITY is the form of acquired immunity in which the body produces its OWN antibodies against infections. While PASSIVE IMMUNITY is the form of acquired immunity in which an individual is PROTECTED AGAINST INFECTION BY RECEIVING ANTIBODIES.
NATURAL ACQUIRED IMMUNITY
when attacked by the same pathogens again, they don't became seriously ill. this is because memory cells are able to recognise the antigens and stimulate the immune system to produce antibodies against the pathogens. This is known as NATURAL ACTIVE ACQUIRED IMMUNITY. It develops when one recovers from an infection.
During pregnancy, the mother passes antibodies across the placenta to the foetus. At birth the baby gets antibodies from the mother through breast milk. This is natural passive acquired immunity.
Fossil fuels represent Group of answer choices a large amount of paleozoic and mesozoic biomass buried anaerobically millions of years ago. natural deposits of organic materials that formed long before life on Earth evolved. the remains of fossil animals that lived a few thousand years ago. sustainable sources of energy that are underused today.
Fossil fuels represent the remains of fossil animals that lived a few thousand years ago.
How fossil fuel are formed?Fossil fuels are formed from decomposition of plants and animals dead bodies. These fuels are found in the Earth's crust. It contain carbon and hydrogen, which can be burned for energy.
So we can conclude that Fossil fuels represent the remains of fossil animals that lived a few thousand years ago.
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Inversion, translocation, and nondisjunction are all examples of group of answer choices
a chromosomal mutations
b single gene mutations
c point mutations
d cellular mutations
Inversion, translocation, and nondisjunction are all examples chromosomal mutations. That is option A
What is chromosomal mutations?Chromosomal mutations is defined as the type of mutation that affects the Deoxyribonucleic acid segments.
Example of chromosomal mutations are:
Inversion: This type of mutation occurs when part of chromosomal segment breaks up and reunites to the segment in a reversed way.Translocation: This is a type of chromosomal mutation where by part of chromosome breaks up to reunite with another different chromosome.Nondisjunction: This is a type of chromosomal mutation where by there is failure of segregation in a pair of chromosome during anaphase of cell division.Therefore, Inversion, translocation, and nondisjunction are all examples chromosomal mutations.
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what effect does binding of epinephrine to a G protein linked receptor have on a cell?
Epinephrine generates the separation of the G protein linked receptor and it activates the G protein to trigger proper cellular signaling.
What is Epinephrine?Epinephrine is a key chemical messenger (i.e. a hormone) that binds to suitable ligands in the cell membrane.
Upon Epinephrine binding, G-protein is activated to produce a molecular cascade and triggers a cell signaling inside the cell.
In conclusion, Epinephrine generates the separation of the G protein linked receptor and it activates the G protein to trigger proper cellular signaling.
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A bird's wing and the wing of an insect are examples of
A birds wing and the wing of an Insect are examples of; analogous organs
What are the organs of the animal?A birds wing and the wing of an Insect are examples of analogous organs.
Analogous organs are the opposite of homologous organs and they are defined as are those organs of different animals that look different in structure but perform a common function.
An example of an analogous trait is the wings of insects and birds that evolved independently in each lineage separately after diverging from an ancestor without wings.
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Which of the following is a characteristic of a population that is in Hardy- Weinberg equilibrium? A. The gene pool gets smaller in each generation. B. The alleles mutate in every generation. C. There are equal amounts of immigration and emigration. D. The frequency of each phenotype does not change.
The gene pool gets smaller in each generation, which is the characteristic of a population that is in Hardy- Weinberg equilibrium. The correct option is A.
What is a gene pool?The gene pool encompasses all of a species' genetic diversity. The gene pool's size can change. When organisms have mutations that are passed down to the next generation, the gene pool expands.
When all of the organisms carrying a particular allele die before having offspring, the gene pool shrinks.
Thus, the correct option is A.
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