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Intracellular receptors can be activated by 2. any type of signaling molecule as long as it can pass through the phospholipid bilayer.

What are Intracellular receptors?

Intracellular receptors are located inside the cell and they can only be activated by signaling molecules that can pass through the cell membrane or the phospholipid bilayer. These molecules include lipophilic hormones, such as steroid hormones and thyroid hormones, as well as gases like nitric oxide. Once the signaling molecule has entered the cell, it binds to the intracellular receptor and initiates a signaling cascade that leads to changes in gene expression and cellular function. Autocrines and paracrines act on cell surface receptors, not intracellular receptors.

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Complete question is: Intracellular receptors can be activated by 2. any type of signaling molecule as long as it can pass through the phospholipid bilayer.

Varying environmental factors determine the different traits is the reason why organisms have specific adaptations.

This is the process in which organisms undergo certain changes which makes them become more suited to their environment.

Different environmental factors such as cold climate etc which ensures organisms survive through possession of thicker furs etc.

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An ocean trench is described when B and C, some are found next to continents and they are long and deep.

An ocean trench is a long, narrow depression in the ocean floor. They are typically 50 to 100 kilometers wide and 3 to 4 km below the level of the surrounding oceanic floor, but can be thousands of kilometers in length.

There are about 50,000 km of oceanic trenches worldwide, mostly around the Pacific Ocean, but also in the eastern Indian Ocean and a few other locations. The greatest ocean depth measured is in the Challenger Deep of the Mariana Trench, at a depth of 10,920 m (35,830 ft) below sea level.

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Complete question:

Which of the following describes an ocean trench

(A) A high, narrow ridge in the ocean floor

(B) Some are found next to continents

(C) They are long and deep.

(D) A shallow, wide basin in the ocean floor

Answer:

Explanation:

Plants are affected both positively and negatively by human societies. We either help their growth, or stunt their growth. For instance, we may add fertilizers to the soil. This helps plants, or we may cause oil spillag on soil, which in turn kills plants.

The "exfoliation" or "shedding" of milk teeth is the name of the procedure.

The primary and permanent tooth sets make up the human dentition. Maxillary (upper) and Mandibular (lower) are the two opposing arches in which teeth are arranged. These can be split into their left and right halves along the midline (mid-sagittal plane).

Four Different Teeth Types and Their Purposes

The majority of individuals have 32 permanent adult teeth, which can be classified into four groups:

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External respiration refers to inhalation and exhalation; while internal respiration is the exchange of oxygen and carbon dioxide between the cells and blood cells.

This means C, exchange of dissolved gases between blood in tissue capillaries and the body tissues, is the right answer.

Answer:

46 chromosomes

Explanation:

Humans have 23 pairs of chromosomes, Which is a total of 46 chromosomes.

Answer:

Humans have 23 pairs of chromosomes, for a total of 46 chromosomes.Aug 15, 2020

Explanation:

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Answer:

D.) flash floods

Explanation:

Answer:

He cross-breeded plants that had different colors and seed shapes to see if the seed shape was affected.

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Answer:

The following are the steps illustrating the production of an action potential via the voltage-regulated channels:  

1. First, the hypo-polarization of the stimulus takes place.  

2. The opening of sodium cation gates takes place, resulting in the diffusion of sodium ions within the cell.  

3. The threshold is attained at -55 mV, positive feedback takes place, that is, more opening of Na+ gates takes place, and thus, more diffusion of Na+ ions takes place within the cell resulting in depolarization.  

4. The closing of Na+ ions gates occurs and the opening of K+ ions takes place.  

5. Repolarization occurs resulting in hyperpolarization.  

6. With the closing of K+ gates, the returning of resting membrane potential takes place.  

Answer:

Cellular respiration

Explanation:

Answer:

choice A

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Individuals living in a culture tend to adapt to cultures and then adapt cultures to suit themselves is true regarding cultural variations. The correct option is d).

Cultural variations refer to the differences in customs, beliefs, behaviors, and social institutions among different cultures. People within a particular culture may have different characteristics, attitudes, and beliefs, and they may express their culture in different ways. Culture is also not static, it changes over time, and individuals living in a culture may adapt to the culture and, in turn, influence the culture to suit their needs.

Therefore, cultural variations are not predictable or identical and are subject to change over time. The d. Individuals living in a culture tend to adapt to cultures and then adapt cultures to suit themselves is true.

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Answer:

The process of gaining or obtaining temporary magnetism in magnetic material due to the effect of magnet is called magnetic induction.

Answer:

Answer:

The answer would be B

Explanation:

:=)

Answer:

B.

Bacteria are single-celled prokaryotic organisms, and it is a proven fact that prokaryotic cells lack a nucleus, cytoplasm, and membrane-bound organelles.

The acoustic measure H1-A3 represents the difference in frequency between the first harmonic (H1) and the third formant (A3) in a speech signal.

The first harmonic is the lowest frequency component of the voice signal, while the third formant is a resonance frequency that is related to the shape and size of the vocal tract.

A large value of H1-A3 indicates that the third formant is higher in frequency than the first harmonic, which is a characteristic of breathy voice quality.

This is because breathy phonation is associated with incomplete vocal fold closure, which results in a weaker and more turbulent airflow through the vocal tract.

This causes a change in the spectral tilt, which in turn leads to an increase in the frequency of the third formant relative to the first harmonic, resulting in a larger H1-A3 value.

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The concept that makes it legally right to reproduce a substantial portion of the works of another person with permission is Copyright. Option A

The concept of copyright grants the creator of an original work the sole rights to its use and distribution, usually for a limited time, with the intent of enabling the creator to receive compensation for their intellectual effort.

When someone else wishes to reproduce a substantial portion of those works, they must usually get permission from the copyright holder.

This permission can take the form of a license or contract that outlin the tems under which the work can be used.

The above answer is in response to the full question below;

Which of the following concepts makes it legally right to reproduce a substantial portion of the works of another person with permission?​

A. Copyright

B. Fair use

C. Freedom of information

D. Intellectual freedom

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The cell wall protects the cell it acts like a barrier

Answer:

A thermos keeps cold things cold in the same way. It doesn't contain some kind of cooling device. The same vacuum that keeps hot things hot keeps cold things cold. Heat that might otherwise transfer to the cold contents of the thermos is prevented from reaching it because of the vacuum between the thermos walls.

Today's thermoses are constructed much more sturdily than those in the past. The first thermoses featured metal exteriors with glass interior walls. These thermoses often ended up getting broken when accidentally dropped.

Answer:

It is between B and C I think it is B but not sure

Explanation:

Hope it helps

The correct option is A: chordate

Explanation:

Answer:

Transcription, as related to genomics, is the process of making an RNA copy of a gene's DNA sequence. This copy, called messenger RNA (mRNA), carries the gene's protein information encoded in DNA.

Explanation:

The change in concentration per unit distance in a solution is known as a solute's concentration gradient. Diffusion between two places where a substance's concentration varies produces a concentration gradient; the process continues until the two regions' concentrations are equal.

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The virus needs to speak the molecular language of cells. This is how he manages to dominate and enslave them so that they become factories for new viruses, producing the proteins that the infectious agent requires to assemble its descendants. If this conversation is not fine-tuned, even if the virus has the key and enters, it is doomed to failure.

For a virus to be able to enter a cell, it must have the right key. And this key, which are the proteins on the surface of viruses, has to enter the correct lock, the receptors that are on the cell membrane. Cells are actually houses with many different doors and locks. Some viruses have keys that open the lock of any cell and any kind of host, and others do not, so the infection caused by viruses is specific.

With this information, we can conclude that some viruses have keys that open the lock of any cell and any kind of host, and others do not, so the infection caused by viruses is specific.

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Answer: Option B. Genetic Mutation

Explanation: White tigers are Bengal tigers that have two copies of a very rare recessive gene that controls coat color. Specifically, researchers have discovered that white tigers are caused by a single gene mutation in the protein known as SLC45A2.

Energy conservation and efficiency are the major “sources” of energy because these methods make available more energy sources and reduce wastage of it.

Energy efficiency refers to using less energy to perform a task. In this method, reduce or eliminate energy wastage. Energy efficiency brings many benefits such as reducing greenhouse gas emissions, reducing demand for energy imports, and reducing our costs on a household and economy.

So we can conclude that energy conservation and efficiency are the major “sources” of energy because these methods make available more energy sources and reduce wastage of it.

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The excess amino acids will be converted into fats and stored in fat depots. Hope this helped.

Answer:

Collection of cells that help to protect the root apical meristem root cap. Protect the area of cell division in the root - root cap. Senses gravity in order to help the root determine the direction of growth  - root cap. An outgrowth from the root's zone of cellular maturation - root hair. Where actual water and mineral absorption happens in roots root hair. Increase surface area of roots for efficiant water and nutrient absorption - root hair.

Explanation:

ROOT CAP- The root cap is a type of tissue that covers the tip of the root. It's also known as Calyptra. The root caps contain statocytes, which are involved in plant gravity perception. . The root will expand in a random pattern if the cap is carefully removed. In plants, the root cap covers the developing tip. In plants, the root cap covers the developing tip. It secretes mucilage to help the root pass through the soil more quickly, and it may also interact with the soil microbiota.

The root cap's function is to allow the root to develop downward while protecting the sensitive tissue in the root.

ROOT HAIR-  A root hair, or absorbent hair, is a tubular outgrowth of a trichoblast, a hair-forming cell on the epidermis of a plant root. It is located on the rhizoid of a vascular plant. Branched lateral extensions of a single cell are only seen on rare occasions. They are visible with both the naked eye and a light microscope. They can only be found in the root's maturation zone. Phosphorylase activity is increased just before and during the growth of root hair cells. Osmosis is the process by which plants extract water from the soil. Root hair cells have evolved to speed up osmosis by having a wide surface area. They also have a big permanent vacuole, which is another adaptation.              

Answer:

Explanation:

From the given question; we are to fill in the blanks with the appropriate words. The appropriate words that fit in perfectly can be seen below.

\(\text{Collection of cells that help to protect the root apical meristem } \ \ \mathbf{root \ cap}\)

\(\text{Protect the area of cell division in the root} \ \ \mathbf{root \ cap}\)

\(\text{Senses gravity in order to help the root determine the direction of growth} \ \ \mathbf{root \ cap}\)

\(\text{An outgrowth from the roots zone of cellular maturation}\) \(\mathbf{ roo t \ hair}\)

\(\text{Where actual water and mineral absorption happens in roots } \ \ \mathbf{root \ hair}\)

\(\text{Increase surface area of roots for efficiant water and nutrient absorption.} \ \mathbf{root \ hair}\)

Statements 1 and 3 are true, while statements 2 and 4 are false.The first energy transformation in the scenario is chemical energy to kinetic. - True.

The archer converts chemical energy stored in their muscles into kinetic energy when they release the string and propel the arrow forward.From the time the archer draws the bow until the thud is heard, entropy increases in the universe. - False. Entropy is a measure of disorder or randomness in a system. In this scenario, the archer's actions do not necessarily lead to an increase in entropy.

The energy of the arrow at the end of the scenario is equal to the energy exerted by the muscles of the archer. - False. Energy is conserved in a closed system, but some energy is lost as heat and sound during the process. Therefore, the energy of the arrow at the end may be less than the energy exerted by the archer's muscles.

When the arrow sticks into the tree, the original energy has all been used up. - False. Energy is not created or destroyed but rather transformed from one form to another. Some of the initial energy from the archer's muscles is transferred to the arrow's kinetic energy, but it is not entirely used up.In summary, statements 1 and 3 are true, while statements 2 and 4 are false.

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