Which of the following statements describes active transport?

Answer:

The answer is A

Explanation:

because yeah

Explanation:

the for the question is A

A Seed-Bearing Starts Its Growth From the process of fecundation which involves joining egg and sperm cell (Option C).

A seed is the beginning of life for the sporophytic generation in Angiosperm and Gymnosperm seed plants. In these plants, seeds are formed after fecundation from the pollen to the egg cell to form the zygote egg cell and the endosperm that nourishes the embryo during its development.

Therefore, with this information, we can conclude that seeds are formed through the process of fecundation and it involves the fusion of pollen with the egg cell.

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complete translation of transcription factors are detected in the endomembrane system.

The protein is fed into the endoplasmic reticulum (ER) as it is translated, or it stays in the cytosol for the duration of translation at this step. If a protein contains a signal peptide, an amino sequence, it is fed into the ER during translation. Proteins that are typically bound for endomembrane system organelles (including the ER, Golgi apparatus, and lysosome) or for the cell's outside must enter the ER at this time. For the remainder of translation, proteins lacking a signal peptide remain in the cytosol. They will remain in the cytosol for all time if no other "address labels" are present. If they are labeled properly, they can be delivered to the mitochondria, chloroplasts, peroxisomes, or nucleus after translation.

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Option C is the correct answer. Osmosis is the process of balancing ion concentration by the movement of fluid through a semi-permeable membrane.

Osmosis can be defined as the process of balancing the concentration of Ions from a Higher concentration to a lower concentration by the movement of a fluid through a semipermeable membrane. This process basically balances out the concentration of the ions where the concentration is lower.

Osmosis is responsible for balancing the concentration of ions from a region where the concentration is higher and the ions move from the higher concentration region to the lower. This makes sure that the environment is in a state of equilibrium.

Hence, Option C is the correct answer.

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Answer:

Chromatid

Explanation:

A chromatid is one of the two identical halves of a chromosome that has been replicated in preparation for cell division. The two “sister” chromatids are joined at a constricted region of the chromosome called the centromere.

In multicellular organisms, cell differentiation occurs while cell division occurs. The fundamental impact of cell differentiation on the organism It permits the organism to enlarge itself.

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Answer:

The enzyme activity decreases.

Explanation:

Enzyme activity is at its maximum value at the optimum pH. As the pH value is increased above or decreased below the optimum pH the enzyme activity decreases.

Dendritic cells and macrophages that are in close contact to the epididymal epithelium make up mononuclear phagocytes.

Through the use of various immune cell markers, these cells have been identified as epididymides from transgenic mouse models since their recent discovery. They encircle the epithelium's base and project long, narrow dendrites between epithelial cells in the direction of the lumen of the proximal epididymal areas. Dendritic cells can also be extracted from healthy human epididymides, with some subgroups significantly increasing in number under inflammatory circumstances. Although basal cells have characteristics similar to dendritic cells, these two groups exhibit different protein marker expression and are predicted to have different roles in the epididymis.

Dendritic cells and macrophages are referred to as mononuclear phagocytes

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Answer: The altitude of Polaris when it is viewed from the top of new york state's mt. Marcy is 44 degrees.

Explanation:

Answer:

they attract the water molecules still in the plant, helping to pull water up through the stems from the roots

The concentration gradient will be in the direction from the cell to the outside of the cell .

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Anosognosia is the term for hemiplegia.

Hemispatial neglect patients are a common source of anosognosia, a condition with a well-known example. This disorder, which affects attention and spatial awareness of the left side of space, is typically brought on by a stroke to the right parietal lobe. They frequently act as if there is no left side to the universe.

Anosognosia is the lack of awareness of or underestimating of a particular loss in motor, emotional, cognitive, sensory, or perceptual functioning as a result of a brain injury. The majority of stroke patients with hemiplegia who have this self-awareness impairment have been investigated; these patients may claim no deficiency, exaggerate their abilities, or deny that they are unable to move a paretic limb.

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If an adult hamster with a 24-hour endogenous rhythm receives a lesion to the SCN and a subsequent SCN transplant from a young hamster with an endogenous rhythm of 20 hours, the adult hamster will adopt a 20-hour rhythm will occur.

Exogenous rhythm is the term used to describe environmental variables that affect natural circadian rhythm cycles over the course of a twenty-four-hour period. These variables include light exposure, temperature, ambient noise, regular diet, different time zones, traumatic events, injuries, and occupational stress. Light-sensitive cells in the retina, which are responsible for the body's biorhythms' response to light absorption, set off physiological cues that correspond to sleep/wake cycles. If these cues are out of sync, sleep patterns might be disrupted.

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According to the definition of photosynthesis, the process only occurs in the chloroplasts using photosynthetic pigments like carotene, xanthophyll, chlorophyll a, and b.

Photosynthesis is a process used by all green plants and a few other autotrophic organisms to create nutrition from carbon dioxide, water, and sunlight. Oxygen is a byproduct of the photosynthesis process. In the presence of sunlight, which serves as a catalyst, the process' reactants are carbon dioxide and water, while its output is glucose and oxygen. By confining a leaf in a closed, transparent chamber and monitoring the decline in carbon dioxide content as a function of time, the rate of photosynthesis may be calculated.

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The result of this experiment is well explained by the fact that substance X is a potential carcinogen that processes the substance and transforms them into other components along with rat liver enzymes.

The Ames test may be defined as a type of test that is significantly utilized in order to examine the capability of generating mutagens with the presence of a chemical or an enzyme.

According to the context of this question, the positive Ames test indicated that the chemical is mutagenic in nature and can function as a carcinogen. This is due to the fact that cancer is directly linked with the mutation.

Therefore, the explanation of the obtained result along with the definition of the Ames test is well described above.

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Sensory impulses from all across the body are sent to the cerebral cortex by the thalamus.

The thalamus receives sensory impulses from the body's surface and interprets them as sensations. Following that, the cerebral cortex processes the sensation and interprets it as touch, pain, or temperature.

The neurons in the thalamus, which functions as a sensory relay center, send signals to the amygdala and higher cortical areas for additional processing. Processing emotional information and transmitting it to cortical areas are both functions of the amygdala.

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Answer:

Abiotic factor: Water | Biotic factor: Trees

Explanation:

Abiotic factors are non-living components within an ecosystem. Biotic factors are living organisms within an ecosystem. By removing the abiotic factor, water, an ecosystem will drastically decline. Just like humans, plants and animals depend on water. When drought hits, food supplies can be reduced and habitat compromised. Damage may be temporary, and habitat and food supplies may return to normal once the drought is over. By removing the biotic factor, trees, an ecosystem will suffer from material loss and climate change. Without trees, the land would be hot and dry, and dead trees would inevitably lead to large wildfires. This causes sun-blocking soot to blanket the skies, leading to years of crop failure and global famine.

A mutation alters DNA by altering its base composition, whereas transduction involves the use of a bacteriophage to transport genetic material or DNA from one bacterial cell to another.

Mutation is defined as a change in the nucleic acid sequence of an organism's, virus's, or extrachromosomal DNA's genome.

It can also be defined as a change in the genetic material of a living organism's cell.

There are three types of DNA mutation.

Thus, a mutation alters DNA by altering its base composition, whereas transduction involves the use of a bacteriophage to transport genetic material or DNA from one bacterial cell to another.

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The part of the brain that the doctor might especially study for damage that occurred is the part labelled 1.

The brain is part of the central nervous system that is made up of cells and tissues which helps in the integration of sensory information and direction of motor responses in the body.

The brain is divided into four major lobes which include the following:

The frontal lobe is part of the brain that is located anterior or at the front of the head and it is the largest of all the lobes.

It is considered as the emotional control center and home to our personality. Therefore an injury to the frontal lobe of the brain which is labelled 1 in the picture will lead to the patient suffering from odd emotional states.

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The mitochondrion is present in all other eukaryotes but functionally absent in the parabasilids and diplomonads.

In general, mitochondria are called powerhouses of the cell as they transform energy from one phase to another and also provide energy to the cells in the form of ATP.

Eukaryotic cells have high metabolic rates meaning their energy requirements are quite high which ultimately leads to the presence of a high number of mitochondria.

On the other hand, arabasalids and diplomonads are anaerobic with low metabolic rates and thus lack mitochondria.

Instead of mitochondria, these organisms have a special organelle called the hydrogenosome which regulates the activities of metabolism in them.

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The similarities and differences between simple diffusion, facilitated and active transport is:

Simple Diffusion:-  It is the mechanism by which solutes are transported through a semipermeable membrane and down the gradient of concentration in a solution. In this phase of diffusion, where molecules migrate from a higher concentration to a lower concentration, the assistance of membrane proteins is not necessary. This process does not require any energy and channel proteins for molecules to move through the plasma membrane.

Facilitated Diffusion:-  Diffusion that is facilitated occurs when molecules move passively across a cell membrane with the help of a membrane protein. Molecules that are unable to freely cross the phospholipid bilayer make use of it. this process also do not require energy.

Active transport:-  Active transport is the transfer of dissolved molecules from a location of lower concentration to a region of higher concentration across the cell membrane. The particles use the energy released during respiration to move against the concentration gradient.

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If an organ is removed from a system, the system from which the organ is removed is bound to fail.

Life is organized as cells, tissues, organs, and systems.

The basic unit of life is the cell. Above this is the tissue. Tissues are made from 2 or more cells that come together to perform similar functions.

Two or more tissues performing similar roles come together to form different organs. A system consists of different organs performing a common role.

Each organ in a system is a unit of production. It is a division of labor in a production process.

If an organ is not in place, the production process will halt.

Thus, the removal of an organ from a system will lead to the failure of the system from which the organ was removed.

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Answer:

Explanation:

я не знаю

Answer:  The Cat, The cat has 230 bones and the most common cat behaviors include purring, grooming, kneading and climbing. The one functional adaptaton of the feline is its retractable claws, acute eyesight, and agility. Together, these adaptations enable cats to capture prey with great skill and efficiency. (My Answer)

Explanation: Edmentum Answer:

Black widow spiders have the ability to create and inject venom into their prey, which is a functional adaptation. The red hourglass marking on their body warns other organisms that they’re toxic, so this is a structural adaptation. These spiders spin and repair their webs. This action is a behavioral adaptation that helps them catch prey

Answer:

Aerobic cell respiration is roughly 18 times more efficient than anaerobic cell respiration. Your cells require a lot of energy and are dependent on the high efficiency of aerobic respiration. They quickly die if deprived of oxygen.

In the 1940's schultes was looking for curare plants with native groups so he could help people injured in WWII undergo surgery with a more powerful muscle relaxer is a true statement.

This is referred to as a type of plant which is an alkaloid and is known for its very high toxic content and is used in different parts of the world for different purposes.

It is used by individuals as a paralyzer of the motor nerves thereby making it to be used in anesthesia when different types of surgeries are being done by the individual.

This is therefore why it was also used for people who were injured in WWII who was going to undergo surgery so as to relax the muscles and ensure that there are no complications and it going on smoothly hence true is correct.

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The full question is:

in the 1940's schultes was looking for curare plants with native groups so he could help people injured in wwii undergo surgery with a more powerful muscle relaxer. true/ false

Explanation:

the smell receptors in the nose would detect the smell from the pizza and send signals as impulses to the brain which identifies this. the brain would then send impulses to the leg muscles to coordinate contractions and relaxations to move the leg. the brain then coordinates both the hand muscles simultaneously and balance the tray in both hands, at the same time the eyes detect light and send impulses to the brain which studies it to find a free seat. following which the leg muscles coordinate to be seated.

the body works as organ systems by which organs that carry out similar functions work together by coordinating their functions.

The nervous system is divided in two parts:

The central nervous system (CNS)

The peripheral nervous system (PNS)

1. CNS

The CNS consist of the brain and the spinal cord and its main function is to integrate and command the body. It uses the information obtained from the entire body and uses it to coordinate the organism's activity.

The brain is located inside the skull and the spinal cord is located inside the vertebrae. This helps protect the CNS.

The tissue that conform the CNS is grey matter (consists of neurone cell bodies and their dendrites, glial cells and capillaries) and white matter (host the majority of axions which are the long cords that extend from neurons).

2.PNS

The PNS consists of nerves that branch fromm the spinal cord and cover the entire body. It is formed by 12 pairs of cranial nerves, 31 pairs of spinal nerves and some small neuronal clusters called gaglia.

The PNS is the connection between the CNS and the body.

The PNS has no bone protection

Together the CNS and the PNS form the nervous system and transmit signals between the brain and the rest of the body, controlling the ability to move, breathe, see, think and many more.

The 3 accessory organs of the nervous system are:

The meninges: it is a set of 3 membranes that cover the brain and the spinal cord.

The cerebrospinal fluid: it is a lymph-like fluid that acts as a protective cushion for the CNS.

Ventricles: these are cavities that contain ependymal cells and blood vessels