Once hormones find a target cell, they bind with specific protein receptors inside or on the surface of the cell and specifically change the cell's activities.
The endocrine organs, which produce chemicals—the hormone—into the extracellular fluid, are responsible for sending these messages. Throughout the body, hormones are largely delivered via the circulation, where they connect to receptors on target cells to produce a specific reaction. Because it has the hormone's receptors, a target cell reacts to the hormone. In other words, a cell is a target cell for a hormone if it has functional receptors for that hormone, and a cell cannot be directly impacted by a hormone if it does not have a functioning receptor. Blood, which is pumped throughout the circulatory system, carries hormones throughout the body. Hormones have the power to control activity in tissues and organs that are not located near the glands that produce them.
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i need help with this question that is on my homework, is it ok if someone helps me please. thanks to anyone who helps! :)
What is the largest of the cranial nerves and the most important sensory nerve of the face?.
Answer:
The Trigeminal Nerve
Explanation:
The largest of the cranial nerves and most important sensory nerve of the face is the trigeminal nerve (letter C).
Study the diagrams below and answer the questions that follow. 1 Vel 2 1.3.1. Identify the cells labelled 1 and 2 respectively 1.3.2. State TWO functions of the tissue named in question 1.3.1 1.3.3. Describe TWO ways in which the shape of cell 1 differs from that of cell 2 1.3.4. Briefly describe TWO ways in which cell 2 is adapted to perform its Function well in a plant
1.3.1. Identify the cells labelled 1 and 2 respectively The cell labelled 1 is the root hair cell, and the cell labelled 2 is the palisade mesophyll cell.1.3.2.
State TWO functions of the tissue named in question 1.3.1
The two functions of the root hair cell are as follows: It increases the surface area of the root, allowing for increased water absorption from the soil. The root hair cell absorbs water and nutrients from the soil, which are necessary for plant growth.1.3.3.
Describe TWO ways in which the shape of cell 1 differs from that of cell 2The two ways in which the shape of the root hair cell (cell 1) differs from that of the palisade mesophyll cell (cell 2) are as follows: Root hair cells are long and thin, while palisade mesophyll cells are shorter and wider. Root hair cells have a large surface area to volume ratio, whereas palisade mesophyll cells have a smaller surface area to volume ratio.1.3.4.
Briefly describe TWO ways in which cell 2 is adapted to perform its Function well in a plant The two ways in which the palisade mesophyll cell (cell 2) is adapted to perform its function well in a plant are as follows: Palisade mesophyll cells are found in the leaves of plants, where they perform photosynthesis. They contain many chloroplasts that are positioned close to the surface of the cell, allowing them to capture more light energy.
Palisade mesophyll cells are elongated, and they are packed tightly together, making them more efficient at capturing light energy for photosynthesis. They are also located near the top of the leaf, where they can receive the most light energy from the sun.
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What gas in the air is used by plants to make their own food?.
Carbon dioxide
_________________
Answer:
Carbon Dioxide
Explanation:
they breathe in carbon dioxide and give out oxygen as a waste product for them, so the answer is Carbon Dioxide.
Hope this helps :D
What is the answer ??
The term "carbon compounds" refers to chemical substances that contain carbon. In comparison to all other chemical elements besides hydrogen, carbon has the most compounds.
What is carbon compound with example?Because of its distinctive properties, carbon is known to combine with other elements to form a variety of compounds. Methane is the most prevalent or fundamental compound made of carbon (CH4). Hydrocarbons are a class of such substances that are created when carbon and hydrogen combine.
Carbon can be combined with oxygen, hydrogen, nitrogen, sulphur, chlorine, and many other elements to form compounds. These compounds then develop unique properties that depend on the other elements in the molecule in addition to carbon.
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Someone plz help me :(
Answer:
B they are very tiny
Explanation:
Thats why you have to use a microscope! (love you av btw) Nezukooo!
Answer:
it might be B or C
Explanation:
if you need two answers B and C
if you need one answer B
there you go fwend
What repackages proteins into forms the cell can use, expel, or keep stored?.
Which change is most likely to directly interfere with cytokinesis in a dividing animal cell?.
A mutation in the gene that encodes actin is most likely to directly interfere with cytokinesis in a dividing animal cell.
We can define cytokinesis as a process by which the cytoplasm of a cell divides.
Actin is the microfilament that is essentially required for the process of cytokinesis to occur.
If the actin is not present, the cytoplasm will not be able to separate in a polarized way.
Hence, if a gene that is coding for actin becomes mutated, then there will be problems in the cytokinesis process of cell division.
Although a part of your question is missing, you might be referring to this question:
Which change is most likely to directly interfere with cytokinesis in a dividing animal cell?
- A mutation in the gene that encodes actin
- A mutation in the RB gene
- A mutation that affects the G2-M cyclin-CDK complex
- The loss of a lysine residue in a histone protein
- A mutation that affects the S cyclin-CDK complex
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fitb. quizlet the air pressure normally ____ before a cold front passes and ____ after a cold front passes.
fitb. Quizlet: The air pressure normally decreases before a cold front passes and increases after a cold front passes.
Before a cold front passes, there is typically a decrease in air pressure. This is because a cold front is associated with the movement of a mass of colder air replacing a mass of warmer air. As the colder air advances, it displaces the warmer air, leading to a decrease in air pressure.
After a cold front passes, there is generally an increase in air pressure. This is because the cold front brings in denser and cooler air, which sinks and creates higher pressure at the surface. The cooler air is often more stable, leading to clearer skies and higher pressure conditions.
It's important to note that these patterns are generalizations and can vary depending on specific weather systems and local conditions. Other factors, such as wind patterns and atmospheric disturbances, can also influence air pressure changes associated with cold fronts.
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the calcification potential of cryogel scaffolds incorporated with various forms of hydroxyapatite for bone regeneration
Incorporating various forms of hydroxyapatite into cryogel scaffolds can enhance their calcification potential for bone regeneration. The ability of these scaffolds to promote the formation of calcium-rich minerals can be evaluated using specific analytical techniques.
The calcification potential of cryogel scaffolds incorporated with various forms of hydroxyapatite for bone regeneration can be determined by evaluating the ability of these scaffolds to promote the formation of calcium-rich minerals in a bone-like manner.
1. Cryogel scaffolds are a type of three-dimensional structure that can mimic the extracellular matrix of tissues and provide a supportive environment for cell growth and tissue regeneration.
2. Hydroxyapatite is a mineral form of calcium phosphate that is naturally found in bone and teeth. It is commonly used in biomaterials for bone regeneration due to its similarity to the mineral composition of natural bone.
3. Incorporating hydroxyapatite into cryogel scaffolds enhances their calcification potential, as it provides a source of calcium ions that can be utilized by cells for the formation of bone-like mineral deposits.
4. The different forms of hydroxyapatite that can be incorporated into cryogel scaffolds include nanoparticles, microparticles, and coatings. These forms have different surface characteristics and particle sizes, which can influence the interaction between the scaffold and cells.
5. The calcification potential of cryogel scaffolds can be assessed through various methods, such as analyzing the deposition of calcium-rich minerals using techniques like scanning electron microscopy or energy-dispersive X-ray spectroscopy.
In conclusion, incorporating various forms of hydroxyapatite into cryogel scaffolds can enhance their calcification potential for bone regeneration. The ability of these scaffolds to promote the formation of calcium-rich minerals can be evaluated using specific analytical techniques.
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Drag the labels to targets of group 1 to indicate which type of interaction occurs between each pair of species. Based on those interactions, drag the labels to targets of group 2 to indicate the population changes knight predicted for each species in the two different treatments. Labels can be used once, more than once, or not at all
We can see here that dragging the labels, we will have the following:
The interactions that take place:
a. predation
b. predation
c. mutualism
The population changes Knight predicted:
d. goes down
e. goes up
f. goes up
g. goes up
h. goes down
i. goes down
What is population?Population refers to the total number of individuals or organisms of a particular species living in a particular geographic area at a given time.
It is an important concept in fields such as demography, ecology, and economics, as it is a key factor in determining the resources needed to sustain and support a given population, as well as the overall health and well-being of that population.
The complete part of the question is seen below:
Knight used natural differences among ponds in the University of Florida's Ordway-Swisher Biological Station to create a unique field experiment. She selected 8 ponds that were similar in size and depth. Four of the ponds contained fish, but the other four contained no fish.
The figure shows 4 equal ponds with fish and 4 equal ponds with no fish.
When fish are present in ponds, they consume the aquatic larvae of dragonflies. Adult dragonflies are voracious predators of other flying insects, including various flies, bees, and butterflies. Flies, bees, and butterflies pollinate a shrub called St. John's wort that grows around all the ponds.
Knight predicted that the presence or absence of fish would cause variation in the abundance of dragonflies, which might influence the abundance of pollinators, thereby affecting the reproductive success of plants that depend on those pollinators, such as St. John's wort. Her prediction took into account previous research that had demonstrated the type of interactions that occur between the organisms in her study system.
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two neutral conditions that might cause plant cells to become plasmolysed
Answer:
The vacuoles, a fluid-filled membrane-bound organelle, located within the cytoplasm, holds the water in the plant cell. In certain conditions, plant cells do not get a sufficient amount of water, or there is a severe loss of water from the cell. This results in the total shrinkage of the plant cell and the phenomenon are called plasmolysis.
Explanation:
The primary source of energy in the body comes from which macronutrient?
Answer:
carbohydrates
Explanation:
The primary source of energy in the body comes from carbohydrates, which are a macronutrient. When carbohydrates are consumed, they are broken down into glucose, which is then used by the body for energy. However, in the absence of carbohydrates, the body can also use fats and proteins for energy through a process called ketosis.
Carbohydrates act as the primary source of energy in the body and they account for almost 45 – 60 % of calories to be used on a daily basis. Apart from this, there are other macronutrients - proteins and fats(lipids) that help in the other aspects of the body-building process.
Macronutrients are components required in large quantities by the body to provide energy, maintain proper functioning and give structure to the body. The carbohydrates, proteins, and fats (lipids) make up the list of macronutrients. Carbohydrates are the fuel that provides energy to the body, proteins give amino acid which forms the building block of the muscles in our body and fats are the storehouses of energy, provide insulation and protect organs.
Excessive intake of any of the macronutrients can result in health complications. Apart from this, the body also requires micronutrients like vitamins and minerals in small quantities. Thus, the need for a balanced diet consisting of the right amount of macro- as well as micro-nutrient comes into play.
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Pollination by bees and other animals is very important for the production of food for humans. What type of ecosystem service is pollination and example of?
A. Direct Service
B. Indirect Service
C. Ethical and Aesthetic service
I really need help with the answer. I think it is B but I am not sure!
a blood smear is being examined and a stain has been added that will identify granulocytes. which cell types will be visible with the stain? select all that apply.
The cell types that will be visible with the stain that identifies granulocytes are:
NeutrophilEosinophilBasophilGrаnulocytes аre а type of white blood cell thаt contаin grаnules in their cytoplаsm. These grаnules contаin enzymes аnd other substаnces thаt help the cell fight infection. There аre three types of grаnulocytes: neutrophils, eosinophils, аnd bаsophils. Eаch of these cell types hаs а different function in the immune system аnd cаn be identified by the stаin thаt is аdded to the blood smeаr.
Neutrophils аre the most common type of grаnulocyte аnd аre involved in the inflаmmаtory response. Eosinophils аre involved in the response to pаrаsites аnd аllergic reаctions. Bаsophils аre involved in the response to аllergens аnd the releаse of histаmine.For more information about grаnulocytes refers to the link: https://brainly.com/question/2562831
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5. Thinking Critically Paramecium, a single-celled fresh-water organism,
takes in water by osmosis. Paramecium uses an organelle called a contractile
vacuole to remove excess water from the cell.
(a) Describe what would happen to Paramecium if it did not have
a contractile vacuole.
(b) Predict the effect of placing Paramecium in salt water.
(A) Protozoa and some low-level multicellular animals There are no organs responsible for excreting liquid waste. Such waste can penetrate the cell surface directly into the water outside of it. If paramecium does not contain vacuoles will cause it to lose the balance of body fluids The contractile vacuole compression rate depends on the osmotic pressure of the water in which the animal lives, i.e. the compression rate decreases. if the osmotic pressure of the water in which it resides increases But it will speed up if the osmotic pressure of water decreases.
(B) The water mixed with salt has a higher concentration than fresh water. So the water diffuses into the paramecium. Therefore, the contractile vacuole is less compressed to remove water from the cell than when in fresh water.
lipids that have both a hydrophobic end and a hydrophilic end is calles?
Answer: A phospholipid
Birds immediately recognize the first moving thing during a critical period in their development and then follow this object. This is best known as:
Birds immediately recognizing and following the first moving thing during a critical period in their development is best known as **imprinting**.
Imprinting is a form of **rapid learning** that occurs during a specific, sensitive period early in a bird's life. This process helps birds, such as ducklings and goslings, form an attachment to their mother or any other moving object they encounter during that critical period. Imprinting plays a crucial role in the bird's survival, as it ensures they follow their caregiver, learn important behaviors, and acquire necessary skills for later in life. This phenomenon was extensively studied by ethologist **Konrad Lorenz**, who observed that birds imprint on the first moving object they see, which is typically their mother.
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Which of the following bone shape is stated with an incorrect example?
A) Long bone - forearm bones
B) Short bone - wrist and ankle bones
C) Flat bone - thigh bone
D) Irregular bone - vertebrae
The bone shape stated with an incorrect example is C) Flat bone - thigh bone. The correct example for a flat bone would be the skull bones or the ribs.
Flat bones are characterized by their relatively thin and flat shape, providing protection and a broad surface area for muscle attachment. Examples of flat bones include the skull bones, ribs, sternum, and scapulae.
The thigh bone, also known as the femur, is actually a long bone rather than a flat bone. Long bones are longer than they are wide and have a cylindrical shape. They consist of a shaft (diaphysis) and two ends (epiphyses). The forearm bones mentioned in option A) are indeed long bones, consisting of the radius and ulna.
So, the correct answer is C) Flat bone - thigh bone.
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What are two ways that society affects the progress of science?
Answer:
Technology usually affects society more directly than science because it solves practical problems and serves human needs (and may create new problems and needs). In contrast, science affects society mainly by stimulating and satisfying people's curiosity and occasionally by enlarging or challenging.
Explanation:
what are essential amino acids?
Answer:
histidine,isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine
Explanation:
An essential amino acid, or indispensable amino acid, is an amino acid that cannot be synthesized from scratch by the organism fast enough to supply its demand, and must therefore come from the diet.
Answer:
It's an amino acid that cant be synthesized from scratch by an organism quick enough to supply the demand, it must come from the diet
Explanation:
What is the anti-
codon for the codon
that would code for
the amino acid
tryptophan?
Answer:
UGA is your answer !
Explanation:
Have and great day ∩^·ω·^∩ !
explain whether you think judy's family occurrences of breast and ovarian cancers are sporadic, hereditary, or familial. is judy likely to have inherited a brca 1 or brca 2 mutation?
Due to the fact that both men and women in Judy's family have had breast cancer and since there have been no incidences of ovarian cancer, Judy's doctor thinks that the BRCA2 gene may have been mutated.
This theory is supported by the fact that both men and women have developed breast cancer. The doctor believes there may be a mutation in the BRCA2 gene because both men and women are affected and because there are no known occurrences of ovarian cancer. Due to the fact that each person carries two distinct alleles for the BRCA gene, one from each parent, two people can have varied band sizes that may be related to different alleles. Other than BRCA1 and BRCA2, hereditary abnormalities in other genes can also result in breast and ovarian cancer. This indicates that family members in certain families with a history of breast and ovarian cancer may not have mutations in BRCA1 or BRCA2, but they still may have abnormalities in one of these other genes. Genetic testing employing multigene panels may be used to find these mutations.
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Please help me really quick :)
Answer:
carbon dioxide is removed by respiratory organs
Explanation:
the cardiovascular system transports waste products to other systems
Freshwater can be renewed, but environmentalists consider it nonrenewable. Why is there a contradiction in classification?
Freshwater is recycled through the use of irrigation, bathing, and everyday use.
Freshwater is easily polluted or depleted before it can be replaced.
Freshwater evaporates and condenses, and then precipitation returns it to the lakes.
Freshwater is highly affected by global warming, and is quickly evaporating.
B on edge
Explanation:
Answer:
B
Explanation:
Edge 2022
What is another word for substrates in a chemical reaction?
(Or just tell me if the answer "reactants" is correct)
Please don't use any dictionary app or site for this. Thanks
which statement is true about the nitrogen bases in dna and rna?
Explanation:
in DNA nitrogen bases are adenine, thymine, guanine and cytosine and in RNA nitrogen bases are same but instead of the thymine there's uracil
in DNA there are linked together adenine and thymine ; Guanine and cytosine. And in RNA adenine and uracil; Guanine and cytosine.
sister chromitids are attached to each other at an area called the.
Answer:
Sister chromatids are two identical copies of the same chromosome formed by DNA replication, attached to each other by a structure called the centromere. During cell division, they are separated from each other, and each daughter cell receives one copy of the chromosome.
PLS HELPPPPPPPPP!!!!!!!!!! Select the correct word to complete the sentence.
The desert might seem like an unlikely place to find fish. There are long dry periods between rains when most surface water evaporates. Nonetheless, about 30 species of desert pupfish live in the American Southwest. Very hot water, unpredictable weather, high salt content, and predators are all sources of
[ choose one>>> ] [hormones], [homeostasis], [response], [stress]
for the pupfish.
Answer:
hemeostasis
Explanation:
it makes sense because stress, response and hormones have nothing to do with the pupfish surviving. Homeostasis allows the pupfish's systems to remain stable and help them to survive these harsher conditions.
Why is the cell membrane sometimes called the fluid mo-
saic model?
A Many small pieces make one moving design.
B
There is a lot of water in the cell membrane.
C The man who discovered its structure was named Mosaic.
D The cell membrane keeps fluids in the cell.
The cell membrane is sometimes referred to as the fluid mosaic model because A. Many small pieces make a single moving design (i.e. proteins arranged spread out like a mosaic).
The cell membrane, also known as the plasma membrane, is a thin structure consisting of two layers of lipids (lipid bilayer). Among the lipids consist of integral proteins and peripheral proteins arranged in a mosaic that surrounds a cell and each is inserted between two layers of lipids of a fluid consistency. Lipid molecules in cell membranes are amphiphilic, that is, they have a hydrophilic (polar) group on the head and a hydrophobic (non-polar) group on the tail. The cell membrane also consists of oligosaccharides, glycolipids, and cholesterol. Cholesterol is between the phospholipid molecules, and its presence can be reduces the fluidity of the cell membrane.