a drug forms channels in the thylakoid membranes of chloroplasts that allow protons (h ) to move freely across the membrane. part a will the drug described above affect the light reactions of photosynthesis? will the drug described above affect the light reactions of photosynthesis? no yes

Answer:

1. For independent variables, the facial nerve, vagus nerve, glossopharyngeal nerve, olfactory nerve, and optic nerve are controlled.

2. Hypotheses:

i. If the facial nerve is working, then facial expressions can be correctly interpreted.

ii. If the vagus nerve is working, then visceral reactions will be normal.

iii. If the glossopharyngeal nerve is working, throat sensations will be normal.

iv. If the olfactory nerve is working, then smell will be normal.

v. If the optic nerve is working, then vision will be normal.

F hypersensitivity reaction associated with macrophage activation, cytokine-mediated inflammation is type II hypersensitivity.

Type II hypersensitivity reaction refers to an antibody-mediated immune response in which antibodies (IgG or IgM) are directed towards mobile or extracellular matrix antigens, resulting in cellular destruction, purposeful loss, or damage to tissues.

Type I reactions (i.e., immediately hypersensitivity reactions) contain immunoglobulin E (IgE)–mediated launch of histamine and other mediators from mast cells and basophils. Examples consist of anaphylaxis and allergic rhinoconjunctivitis.

Type I allergic reaction is also referred to as an immediate response and includes immunoglobulin E (IgE) mediated release of antibodies against the soluble antigen. This results in mast cell degranulation and release of histamine and different inflammatory mediators.

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Transcription and translation are processes that happens in both prokaryotes and eukaryotes, but in eukaryotic cells they take place in different sites than in prokaryotic cells. Therefore, C is incorrect.

In eukaryotic cells, the mRNA is extensively processed before it is ready to be translated, not in prokaryotic cells. Therefore, D is incorrect as well.

In eukaryotic cells, transcription and translation are separate processes, transcription takes place in the nucleus and translation takes place in the cytoplasm. In prokaryotic cells, transcription and translation both takes place in the cytoplasm, being a continuous process. Therefore, A is incorrect, E is wrong too and the correct answer is B. Transcription and translation are continuous processes in prokaryotes but not eukaryotes.

Answer:

These spindle fibers act as guides for the alignment of the chromosomes as they separate later during the process of cell division.

(credits to the rightful owner for this answer :)

Answer:

C. passive transport by facilitated diffusion with the help of transport proteins

Explanation:

The electron transport chain (shown in the second animation) establishes a proton gradient across the inner mitochondrial membrane. ATP synthase uses the energy stored in the proton gradient to catalyze the synthesis of ATP. The molecular machinery involved in this process converts chemical energy to mechanical energy and provides a great example of the relationship between the structure and function of macromolecules.

Answer:

C. passive by facilitated diffusion with the help of transport proteins

Explanation:

Passive transport is a type of membrane transport that does not require energy to move substances across cell membranes.

Hubble measured the velocity of galaxies by using the Doppler effect, and Hubble states that galaxies farthest from the center of the universe move faster.

The Doppler effect is a theory used in physics to understand how we can determine modifications in the wave frequency that are associated with the investigator who is observing these waves and wave source.

The Doppler effect depends on different physic variables such as wave speed, investigator position (and velocity), wave sources, etc.

In conclusion, Hubble measured the velocity of galaxies by using the Doppler effect, and Hubble states that galaxies farthest from the center of the universe move faster.

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Answer:

1 st box is the 1st choice and the 2nd box is the 2nd choice

Explanatio

Answer: i'm pretty sure its B!!!

Explanation:

...

Answer:

its B

Explanation:

Because an indeed fossil tells the relative ages of the rock layers in which they occur

Yes, the "Chernobyl Elephant's Foot" is still there, and it remains a highly radioactive and dangerous object.

It refers to the melted fuel and other materials that accumulated at the bottom of the reactor after the catastrophic explosion at the Chernobyl nuclear power plant in Ukraine in 1986. The material formed a solid mass of highly radioactive material that was initially too hot to be approached or safely handled.

Access to the Elephant's Foot is limited due to the high levels of radiation it emits, and it is still considered one of the most radioactive objects on earth. It is located in the basement of the destroyed reactor, and access to the area is restricted to highly trained and equipped individuals wearing protective gear.

The Elephant's Foot serves as a reminder of the devastating impact of the Chernobyl disaster and the dangers of nuclear power. It is a testament to the immense power of nuclear reactions and the potential consequences of a nuclear accident.

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Answer:

True

Explanation:

If it was poorly made it wouldn't last that long.
(This is the answer if it was a true or false)

Answer: A route of electron flow during the light reactions of photosynthesis that involves both photosystems and produces ATP, NADPH, and oxygen. ... linear pathway that leads to NADPH, ATP, and O2 production, pathway is similar to Electron transport chain.

Explanation:

1) The structure in an organism is built so as to allow it to do the very reason why it is present in the organism.

2) The spermatheca helps in the storage of sp--erms

3) The possession of the male and female reproductive systems is called hermaphroditism.

1) We know that biological organism are quite complex in the way that they are designed. There are so many structures that we can find in the organism. These are the various kinds of arrangements that we see in the body of the organism that are there to perform various tasks in the living organism. It is also common that nature crafts the structure so that it can be able to perform the role that it is supposed to perform.

2) The structure that is called the spermatheca  is mostly found in the insect. It is one of the structures that plays a very essential role in the insect. In the female insect, the structure could be used in the storage of sp--erms.

3) A hermaphroditic organisms has both male and female reproductive systems. An example of a hermaphroditic organism is the worm.

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Answer:

The continual input of energy ,mostly from sunlight , sustains the process of life . Sunlight allows plants, alage and cyanobacteria to use photosynthesis to convert carbon dioxide and water into organic compounds like carbohydrates.

When two distinct alleles for a particular trait are present in an individual, the allele which is expressed is known as the dominant trait whereas the allele which is masked is called the recessive trait.

The term 'heterozygous' is used for individuals which possess two different alleles for a particular trait. According to Mendel's law of dominance, traits are regulated by discrete units known as factors or genes. The genes which code for a pair of contrasting traits are called alleles.

The law further states that when two distinct alleles are present for a particular trait, only one of them is able to express itself and is known as the dominant trait while the other is known as the recessive trait.

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Explanation:

repair damaged DNA allow cells to grow and divide to form a tumor

Answer:

isotonic; the same rate

Explanation:

Cell Theory as as commonly known gives the best definition for cells. All organisms that ever existed are made up of one or more cells. The theory state that the cell is a basic unit, that is of all living things, and that all cells come from cells that have existed.

For cell that is in an isotonic solution,no net flow of water into or out of the cell will be experienced, the volume of the cell is at a state of stability. When the level or concentration of solute in and out of the cell is at the same pace or level, the the cell membrane does not allow solutes to cross, leading to the solution being isotonic to the cell.

Answer:

seizure

Explanation:

Small and dispersed wild populations can increase gene flow with the help of wildlife corridors.

By conserving potentially vulnerable local populations in the wild, this is crucial for preserving biodiversity and has shown to significantly increase species richness. A "wildlife corridor" is a place in the environment that serves as a route for individuals to move between wild species in order to maintain connectedness between them. These passageways are frequently vegetated habitats that allow for movement while posing a lower risk of predator attack than open lands. The dimensions, shapes, lengths, and composition of wildlife corridors vary.

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Answer:

Yes.

Explanation:

Yes, the structures and functions of the central nervous system work to help prevent injuries with the help of bone. The main line of defense of central nervous system is the bones of the skull and spinal column, which create a hard physical barrier to injury. If these line of defense are not present for central nervous system so it has more chances to get injury so we can say that the structures and functions of the nervous system helps to prevent injuries.

Answer: ATP,chemical,photosynthesis,respiration,energy,plant

Answer:

Do i care???????/

Explanation:

Answer:At medium temperatures, between 50 and 68 degrees Fahrenheit, or 10 and 20 degrees Celsius, the photosynthetic enzymes work at their optimum levels, so photosynthesis rates gauge high. Depending on the particular plant in question, set the greenhouse thermostat to a temperature within this range for best results.

Explanation:

Though the necessary food web image is missing, I believe you are referring to the image in which the large fish make up the third level of consumers. Therefore:

In order to achieve a population of 11kg of large fish, we would need much more than 11kg of phytoplankton biomass. This is due to one of the laws of thermodynamics.

These laws are;

The second law of thermodynamics describes the loss of energy between each trophic level, and can be applied to food webs. On average, roughly 10% is lost between transfers of energy in a food web. In this food web, Large fish make up the 3rd level, meaning that there are three transfers of energy needed to reach the large fish.

This means that in order to achieve 11kg of large fish, we need to account for three 10% losses of energy. We will need 15kg of phytoplankton to begin with, which after all 3 losses of energy of 10% each will result in a biomass of 11kg in large fish.

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The ways in which the anterior pituitary differs from the posterior pituitary are as follows:

The correct option are A, B, and C.

The anterior pituitary is one of the pituitary gland's two lobes and is commonly known as the adenohypophysis.

Hormone production and release occur in the anterior lobe. Hormones are released into the bloodstream by the posterior lobe, which does not generate them directly; nerve cells in the hypothalamus are responsible for this.

The anterior pituitary controls a number of physiological functions, such as stress, growth, reproduction, and lactation.

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The instructions used to create proteins originate in the nucleus of a cell.

Option A is correct

The nucleus contains the genetic material of the cell, which is in the form of DNA (deoxyribonucleic acid).

Proteins are necessary for the structure, operation, and regulation of the body's tissues and organs, and DNA contains the instructions for their synthesis. Protein synthesis begins in the nucleus with the transcription of DNA into RNA (ribonucleic acid), which is then translated into proteins in the cytoplasm of the cell by ribosomes.

As a result, choice A is the correct answer .

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Venous blood gas collection shouldn't be used in place of arterial blood gas samples in order to trend results and minimize arterial sampling. It might be utilized to improve arterial blood gas monitoring, though.

Central venous blood represents arterial blood gas readings better than peripheral venous blood. When using central venous blood to test serum pH, keep in mind that venous blood is more acidemic than arterial blood and, as a result, venous pH is lower than arterial pH. Blood gas tests can be used to diagnose a wide range of acidosis conditions, including lactic, metabolic, and respiratory acidoses, diabetic ketoacidosis, as well as respiratory alkalosis. Particularly, umbilical cord blood gas measurement can be a sign of prenatal hypoxic stress.

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Answer:

B) Genetic Material

Explanation:

Just did this lesson on Eg 2020

Hope this helps! Happy Holidays!

Atrial natriuretic peptide(ANP) does not increase blood pressure because a cardiac hormone called atrial natriuretic peptide is involved in the physiological upkeep of blood volume and arterial blood pressure.

What is blood pressure?

The force your heart needs to pump blood throughout your body is measured by your blood pressure.

How is blood pressure regulated in the body?

The body controls blood pressure by altering blood vessel widths in response to variations in cardiac output and stroke volume. The sizes of the blood arteries can change as a result of factors including stress, nutrition, medicines, exercise, or disease. This can modify blood pressure.

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Shubin and Daeschler traveled to Ellesmere Island to hunt for fossils because the rocks on the island are known to be very old and are from a time period called the Devonian, which is known for the evolution of early vertebrates.

Shubin and Daeschler were interested in studying the evolutionary history of vertebrates, particularly the evolution of tetrapods, the group of animals that includes amphibians, reptiles, birds, and mammals. They believed that Ellesmere Island, which is located in the Canadian Arctic, would be a good place to find fossils from this time period that would shed light on the evolution of early tetrapods. In 1987, Shubin, Daeschler, and their colleague Farish A. Jenkins, Jr. discovered the fossil of Tiktaalik roseae, a fish-like tetrapod that lived about 375 million years ago. This discovery was a major breakthrough in our understanding of the evolution of tetrapods and helped to bridge the gap between fish and land animals.

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The evolutionary process of adaptation is how an organism improves its environmental suitability. This procedure happens across several generations. It is one of the fundamental biological phenomena.

People frequently refer to adaptation as a "feature" (a trait) that aids an animal or plant in surviving.

An organism's ability to adapt is a physical or behavioural trait that makes it easier for it to survive in its environment. Living things adjust to their environment to survive.

Through the process of adaptation, a group of organisms can over time permanently adapt to a changing environment. Acclimatization is the quick, temporary adaptation of an organism to a new environment. Adaptation is permanent. Acclimatization may be stopped once the prerequisite conditions are met.

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Improved environmental compatibility is achieved by an organism through the evolutionary process of adaptation. There are multiple generations involved in this process. One of the basic biological phenomena is it.

Adaptation is commonly described as a "feature" (a trait) that helps an animal or plant survive.

A physical or behavioral characteristic that makes it simpler for an organism to survive in its environment is the capacity to adapt. To survive, all living organisms modify their surroundings.

A group of organisms can gradually and permanently adapt to a changing environment through the process of adaptation. Acclimatization refers to an organism's rapid, transient adjustment to a novel environment. Adaptation lasts a lifetime. Once the necessary conditions are met, acclimatization may be discontinued.

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