how has the rough-skinned newt population changed?

Answer:

the main difference between the two is how they replicate within a host cell.

Primary molars differ from permanent molars in that primary molars have more and deeper pits and fissures.

Primary teeth or primary molars are temporary teeth that erupt in a child's mouth from the age of six months to three years. They have 20 primary teeth, which include four molars. In contrast, permanent teeth, including molars, are developed after primary teeth and stay for life.

A molars’ structure is influenced by its functionality and position in the mouth. While primary molars and permanent molars have different functions, they differ in crown and root structure. The primary molars have more and deeper pits and fissures than the permanent molars.

The primary molars also have greater divergence of roots than permanent molars.The primary molars differ from the permanent molars, especially in their crowns, roots, and general size. They are also thinner and more bulbous in shape, which can result in their being more vulnerable to cavities.

Since the primary molars have more and deeper pits and fissures, they need more care and maintenance than permanent molars. Therefore, the correct option is "more and deeper pits and fissures."

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Answer:

The average diffusion distance is 2.1 mm

Explanation:

Given

Diffusion distance of the four potato squares are;

\(Potato 1: 2.1 mm\\Potato 2: 1.8 mm\\Potato 3: 2.3 mm\\Potato 4: 2.2 mm\)

Required

Average Diffusion Distance

To calculate the average diffusion distance; we simply calculate the mean of the student recordings

Mean is calculated as thus;

\(Mean = \frac{\sum x}{n}\)

Where x is the individual distance of the potato squares

\(\sum x = 2.1 mm + 1.8 mm + 2.3 mm + 2,2 mm\)

\(\sum x = 8.4mm\)

n is the number of potato squares

n = 4

\(Mean = \frac{\sum x}{n}\)

\(Mean = \frac{8.4 mm}{4}\)

\(Mean = 2.1 mm\)

Hence, the average diffusion distance is 2.1mm

Testosterone, being a steroid hormone, is able to cross the plasma membrane by simple diffusion due to its lipid-soluble nature.  Hence option (c) is correct.

Of the hormones mentioned, the hormone that would be able to cross the plasma membrane by simple diffusion is testosterone. Testosterone is a steroid hormone, and steroid hormones are able to diffuse across the plasma membrane due to their lipid-soluble nature.

The plasma membrane is composed of a lipid bilayer, which acts as a barrier to prevent the entry of hydrophilic molecules. However, lipid-soluble molecules are able to pass through the plasma membrane easily by dissolving in the lipid bilayer.

Epinephrine, on the other hand, is a biogenic amine hormone. Biogenic amine hormones are not lipid-soluble, and therefore cannot cross the plasma membrane by simple diffusion. Instead, they bind to specific receptors on the plasma membrane and trigger a cellular response through a signal transduction pathway.

In summary, testosterone, being a steroid hormone, is able to cross the plasma membrane by simple diffusion due to its lipid-soluble nature. Epinephrine, a biogenic amine hormone, cannot cross the plasma membrane by simple diffusion and relies on specific receptors to elicit a response.

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Answer: Bb

Explanation:

Answer:

DNA is composed of sugar, phosphate and four NITROGEN BASES (A, T, G, C). During

transcription, DNA is made into a molecule of RNA which will travel to the ?PROTEIN SITE?

in the cytoplasm, Here, three bases, called a CODON, will determine what acid is added to the chain. This chain will fold into a TERTIARY STRUCTURE.

Explanation:

I'm not too sure about "protein site," but I hope the rest helps!

Answer:

DNA is composed of sugar, phosphate and four nitrogen bases (A, T, G, C). During transcription, DNA is made into a molecule of RNA, which will travel to the ribosomes in the cytoplasm. Here, three bases, called a codon, will determine what amino acid is added to the chain. This chain will fold into a protein. This shape of this molecule determines how it functions.

Changes in the DNA code are called mutation and they can cause a protein to not function properly. A single change in the DNA of the hemoglobin gene will cause sickle cell anemia.

Explanation:

Adenine (A), Cytosine (C), Guanine (G), and Thymine are nitrogen bases. A and T pair together while C and G pair together. In DNA/RNA pairings, A pairs with Uracil (U). Transcription happens in the RNA, which is sent from the nucleus to the ribosomes (where protein is made). The three bases are called codon, their three base pairing is called an anticodon.

DNA gets mutated and this causes changes in the code. Sickle cell anemia occurs in the hemoglobin.

( Added the second part too ;) )

Answer:

core

The core is the thickest layer of the Earth, and the crust is relatively thin, compared to the other layers.

Explanation:

Answer:

observation : a toaster doesn't work

question : is something wrong with the electrical outlet

hypothesis : something is wrong with the outlet my coffee maker also won't work and plug into it

experiment : I plug my coffee maker into the outlet

result : a coffee maker works

2nd result : my toaster is broken

The labels that will pass through the filtration membrane are water, glucose, and sodium.

The labels that will not pass through the filtration membrane are red blood cells, lymphocytes, antibodies, and platelets.

The filtration membrane is a microporous glomerular barrier membrane made of polymeric materials that are used for the separation and filtration of substances based on their molecular weight.

Depending on the molecular size of a substance situated in the blood, we can determine if such substances can be filtered through the filtration membrane or not.

However, the lower the molecular weight of the substance, the higher their likelihood of filtration.

In the plasma, the substance that has a lower molecular weight are water, glucose, and sodium while substance associated with protein, blood cell, and platelets contains higher molecular weight.

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The toxin released by Cassava roots is an example of a chemical defense against herbivores.

Allelochemicals, secondary metabolites produced by many plants, have an impact on the behavior, growth, or survival of herbivores. Cassava is one such plant that releases the toxin hydrogen cyanide when the roots are digested.

Due to the toxins in the plants and tubers that are harmful to humans, processing cassava takes a long time before it can be eaten safely. These poisons are cyanogenic glucosides, which when tissues are crushed release cyanide gas. The compounds that contain cyanide are found in high concentrations in the leaves. They are then transported to the tubers, where they are likely to serve as a pest repellent, a nitrogen source for the roots, and a danger to herbivores.

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The main muscle that allows one to rise up from a seated position is the quadriceps femoris muscle group, specifically the rectus femoris muscle.

The quadriceps femoris muscle group consists of four muscles located in the front of the thigh: the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius. These muscles work together to extend the leg at the knee joint and play a crucial role in activities such as standing up, walking, running, and jumping.

When rising up from a seated position, the quadriceps femoris muscles contract to extend the knee joint, allowing the leg to straighten. The rectus femoris muscle, in particular, is responsible for flexing the hip joint in addition to extending the knee joint. This dual action of the rectus femoris muscle helps in the movement of rising from a seated position by simultaneously lifting the thigh and extending the knee.

During the movement of rising from a seated position, the quadriceps muscles generate the necessary force to lift the body weight and overcome the resistance encountered. These muscles work in coordination with other muscles, such as the gluteal muscles and the muscles of the lower back, to perform the movement smoothly and efficiently.

In summary, the main muscle that allows one to rise up from a seated position is the quadriceps femoris muscle group, specifically the rectus femoris muscle. These muscles contract to extend the knee joint and, in the case of the rectus femoris, also flex the hip joint, enabling the movement of standing up from a seated position.

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Answer: If you understand me that grows represent the energy flow  because look at the purple and look at the green line don't worry about the orange line  You see how the purple go up and then plummet the green line go straight and then go up and go down just a little  Hope it help G

Explanation:

Answer:

tight junction

is the answer

Answer:

THE ANSWER IS TRUE

Tay-Sachs disease is a rare inherited condition that mainly affects babies and young children. It stops the nerves working properly and is usually fatal. It used to be most common in people of Ashkenazi Jewish descent (most Jewish people in the UK), but many cases now occur in people from other ethnic backgrounds.

GIVE BRAINLIEST PLZ :)

Answer: Abdominal obesity

Explanation: Abdominal obesity is the form of obesity most strongly associated with the metabolic syndrome.

Answer:

Sound is a type of energy made by vibrations. When any object vibrates, it causes movement in the air particles. These particles bump into the particles close to them, which makes them vibrate too, causing them to bump into more air particles. This movement, called sound waves, keeps going until they run out of energy.

Answer:

because of energy

Explanation:

vibrations are a kind of energy and sound is also a kind of energy

Answer:

I don't know. but a human can swim inside an blue whales main heart aterary comfortably.

Explanation:

plz mark me brainlyist :)

Answer:

already said it

Explanation:

Answer:

c. sharks

Explanation:

Answer: Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique.

Explanation:

Answer:

it’s is B

Explanation:

In the case of a client diagnosed with Hodgkin's lymphoma, the visceral protein that would most likely be elevated is C-reactive protein (CRP).

C-reactive protein is an acute-phase protein produced by the liver in response to inflammation, infection, or tissue damage. It is commonly used as a marker of inflammation in various diseases, including cancer. In Hodgkin's lymphoma, the presence of cancer cells and the associated inflammatory response can lead to increased levels of CRP in the body.

Elevated levels of CRP in the bloodstream can indicate the presence and severity of inflammation. It is worth noting that CRP is a non-specific marker, meaning that it can be elevated in various conditions, including infections, autoimmune diseases, and malignancies.

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The event that occurs after neurogenesis in the ventricular zone is: Cells begin transforming into either neurons or glial cells.

Neurogenesis refers to the process of generating new neurons, which takes place in the ventricular zone of the developing neural tube. Once neurogenesis occurs, the cells in the ventricular zone begin their differentiation process. They undergo a transformation where they acquire distinct characteristics and develop into either neurons or glial cells, which are the two main types of cells in the nervous system.

Neurons are responsible for transmitting electrical signals and processing information, while glial cells provide support, insulation, and nourishment to neurons. This process of cell fate determination and differentiation ensures the formation of a functional and diverse nervous system.

Therefore, after neurogenesis, "the cells in the ventricular zone transition into their specific cell types, either neurons or glial cells", playing crucial roles in the development and functioning of the nervous system.

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When someone's urine is very dark, it typically indicates that their blood or kidney is experiencing a high concentration of solutes.

What are Solutes?

Solutes are substances that are dissolved in a solvent (usually a liquid) to create a solution. They can be either a solid, liquid, or gas, and can be composed of a single type of molecule or a combination of molecules. Examples of solutes include sugar, salt, and acids.

This can be caused by a variety of factors, including dehydration. When the body is dehydrated, it attempts to conserve water by reabsorbing it from the kidneys, which results in a higher concentration of solutes in the blood and urine. This can also occur if the body is unable to properly process and eliminate waste, leading to the accumulation of excess solutes in the kidneys and urine. Osmosis is the process by which the body balances the concentration of solutes in the blood and body fluids by exchanging water between the cells and the surrounding environment. If the concentration of solutes in the blood and urine is too high, osmosis causes the body to pull water from the cells, resulting in dehydration and dark urine.

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Answer:

I would think C

Explanation:

I came up with this answer through process of elimination:

A) It shows that they both come from the same speckled fish, so this cannot be the answer

B) I thought this was it, but the chart shows nothing about them having possibly lived in the same lake, only that they came from the same fish

C) The graph shows that they both originated from the same speckled fish

D) This can't be it, because the lakes are so close together

By looking at the hypothetic chart, it is clear that the fish in lake 1 and lake 2 are descended from a common ancestor. so, the correct option is C.

What is species?

A biological species is a group of organisms that can reproduce with one another in nature and produce fertile offspring.

When two lakes are close to one another, they can't be geographically separated. The fish in lake 1 and lake 2 do not evolve from different ancestors as both the species are looking very similar to each other.

Therefore, by looking at the hypothetic chart, it is clear that the fish in lake 1 and lake 2 are descended from a common ancestor.

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Answer:

Plants growing on the forest floor (understorey) are adapted to lower Sunlight intensity or are shade loving. This is because, the dense canopy does not allow enough light to penetrate through and reach the forest floor.

A plant growing at the lower levels survive as they have large and broad leaves. The correct option is b.

Evolutionary adaptation, or simply adaptation, is the process through which organisms change to their surroundings to improve their chances of surviving in those surroundings.

"Adaptation is defined as the process through which a species or an organism continuously increases its acclimation to its environment."

The term "adaptation" refers to an animal's behavioral or physical traits that enhance its capacity to flourish in its ecosystem.

In an environment with low light levels, the larger shade leaves offer a wider area for absorbing light energy for photosynthesis.

Smaller solar leaves, on the other hand, will have less surface area available for the loss of water through transpiration.

Thus, the correct option is B.

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The locomotor system, also known as the musculoskeletal system, is responsible for the movement of the body. It includes bones, muscles, tendons, ligaments, and joints, all of which work together to facilitate movement.

The bones provide the framework and support for the body, while the muscles are responsible for producing the force required for movement. The tendons connect the muscles to the bones, and the ligaments connect the bones to each other, providing stability and limiting movement in certain directions.

The joints are where two bones meet and allow movement to occur. Different types of joints, such as ball-and-socket,  and pivot joints, allow for different types of movement.

When a muscle contracts, it pulls on the attached tendon, which in turn pulls on the bone, causing movement at the joint. This coordinated effort of the bones, muscles, tendons, ligaments, and joints allows us to perform a wide range of movements, from simple actions like standing and walking to more complex movements like running and jumping.

The nervous system plays a crucial role in controlling the locomotor system, sending signals from the brain to the muscles via the spinal cord to initiate and regulate movement.

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The most useful chemical change to track and identify for quantifying the amount of useful chemical energy generated from one molecule of glucose during cellular respiration is the conversion of glucose to pyruvic acid.

Cellular respiration is the process by which cells break down glucose and other organic molecules to produce energy in the form of ATP (adenosine triphosphate). This process occurs in all living cells and is essential for the survival and function of organisms.

There are three main stages of cellular respiration: glycolysis, the citric acid cycle (also known as the Krebs cycle), and oxidative phosphorylation (also known as electron transport chain).

Glycolysis:

The process of glycolysis takes place in the cytoplasm of cells and is the first stage of cellular respiration. In glycolysis, a molecule of glucose is broken down into two molecules of pyruvate, which results in the net production of two ATP molecules.

The glycolysis process can be broken down into several steps:

Glucose, a six-carbon sugar, is phosphorylated by two ATP molecules to form glucose-6-phosphate, a six-carbon phosphorylated sugar.

Glucose-6-phosphate is rearranged and converted to fructose-6-phosphate, a six-carbon phosphorylated sugar.

Fructose-6-phosphate is phosphorylated by ATP to form fructose-1,6-bisphosphate, a six-carbon phosphorylated sugar.

Fructose-1,6-bisphosphate is broken down into two three-carbon sugars, glyceraldehyde-3-phosphate and dihydroxyacetone phosphate.

Glyceraldehyde-3-phosphate is oxidized and phosphorylated to form 1,3-bisphosphoglycerate.

1,3-bisphosphoglycerate is dephosphorylated to form ATP and 3-phosphoglycerate.

3-phosphoglycerate is converted to 2-phosphoglycerate.

2-phosphoglycerate is converted to phosphoenolpyruvate (PEP), which is then converted to pyruvate. This step generates another ATP molecule.

Citric Acid Cycle:

The citric acid cycle takes place in the mitochondria of cells and is the second stage of cellular respiration. In the citric acid cycle, the two molecules of pyruvate produced during glycolysis are further broken down into carbon dioxide, and energy in the form of ATP, NADH, and FADH2 is produced.

The citric acid cycle can be broken down into several steps:

Pyruvate is transported into the mitochondria and converted into acetyl-CoA.

Acetyl-CoA is combined with oxaloacetate to form citrate, a six-carbon molecule.

Citrate is converted into a five-carbon molecule and then into a four-carbon molecule, releasing carbon dioxide in the process.

The four-carbon molecule is converted back into oxaloacetate, generating another ATP molecule and more NADH and FADH2 molecules.

Oxidative Phosphorylation:

Oxidative phosphorylation takes place in the mitochondria of cells and is the final stage of cellular respiration. In oxidative phosphorylation, the energy stored in the NADH and FADH2 molecules produced during glycolysis and the citric acid cycle is used to generate ATP.

The oxidative phosphorylation process can be broken down into several steps:

NADH and FADH2 molecules are oxidized, releasing electrons.

The electrons are passed through a series of protein complexes in the electron transport chain, generating a proton gradient across the inner mitochondrial membrane.

The protons flow back across the membrane through ATP synthase, generating ATP.

The final electron acceptor in the electron transport chain is oxygen, which combines with hydrogen

Here,

This is because the breakdown of glucose into pyruvate through glycolysis is the first step in cellular respiration and results in the net production of two ATP molecules. In addition, the pyruvate molecules produced during glycolysis can then enter the citric acid cycle, where they are further broken down to produce more ATP and other energy-rich molecules like NADH and FADH2. Therefore, tracking the conversion of glucose to pyruvate would provide important information on the amount of energy that can be generated through cellular respiration.

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Answer:

10,000

Explanation:

Heavy materials such as poster board will  have a negative impact on a paper airplane.

This is an airplane which is made from different types of paper and also contain the four different types of forces in an airplane which include:

The poster board will have a negative impact on a paper airplane due to the heavy weight which will hinder it from flying.

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The area of the kidneys that contains the glomeruli and portions of the tubules is called the renal cortex.

The kidneys are a pair of vital organs located in the back of the abdomen that filter waste products and excess water from the blood to produce urine. The renal cortex is the outermost layer of the kidney and is where most of the filtration and reabsorption of nutrients occur.The glimmer are a network of tiny blood vessels in the renal cortex that filter blood and remove waste products. They are responsible for the initial step in the formation of urine. The tubules, on the other hand, are small structures in the renal cortex that collect the filtered fluid from the glomeruli and transport it to the renal pelvis, where it is eventually eliminated as urine. The tubules are also responsible for producing hormones that regulate blood pressure and red blood cell production .

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The area of the kidneys that contains the glomeruli and portions of the tubules is called the renal cortex.

The glomeruli are a network of tiny blood vessels located in the renal cortex that filter waste products and excess fluid from the blood, while the tubules transport the filtered substances to the renal pelvis for elimination from the body. The renal cortex also contains the renal corpuscles, which consist of the glomerulus and Bowman's capsule, and are responsible for the initial filtration of blood in the kidneys. The renal cortex is an essential part of the kidneys as it is where most of the kidney's important functions occur, including filtration, reabsorption, and secretion. Damage to the renal cortex can lead to kidney disease and other related complications.

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