during the stage of mitosis known as , gene expression resumes, as chromosomes uncoil. listen to the complete question

Salts are formed when two substances are combined, these two substances are acids and bases.

Salt is produced by the reaction of an acid with a base. It consists of a positive ion of the base and a negative ion of an acid. When in solution or the molten state, most salts are completely dissociated into negatively and positively charged ions and are good electrolytes, so salts are good conductors of electricity. When two or more substances are mixed without having any chemical change, then the final substance is known as a mixture. Its components can be separated easily by physical means. A pure substance constituted of two or more elements combined chemically in a fixed ratio is called a compound. It can be split into these simpler and different substances by chemical means.

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Answer:

Where is the graph?

But the population is generally not restricted when the population size is less than limiting capacity of an environment. On a line graph, it will be a steeper slope showing large increase in population size.

Answer: B) cell

the smallest unit of life is a cell

As the skateboarder moves, several energy transformations take place within their body. Some of the energy transformations include:

1. Chemical energy to kinetic energy: When the skateboarder pushes off the ground, the energy stored in the chemical bonds of their muscles is converted into kinetic energy, which is responsible for their motion.

2. Kinetic energy to gravitational potential energy: As the skateboarder moves up a ramp, their kinetic energy is converted into gravitational potential energy.

3. Gravitational potential energy to kinetic energy: When the skateboarder moves down the ramp, the gravitational potential energy is converted back into kinetic energy.

4. Kinetic energy to thermal energy: As the skateboarder moves, they also experience frictional forces which convert some of their kinetic energy into thermal energy.

5. Chemical energy to thermal energy: The continuous movement of the skateboarder requires the energy stored in their muscles to be converted into thermal energy, which is released as heat.

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The motion of the skateboarder is powered by energy transformations that occur within their body. As the skateboarder moves, their body converts stored chemical energy (from food) into kinetic energy, which is the energy of motion. This conversion happens through a series of complex biochemical processes that occur within the skateboarder's muscles.

When the skateboarder pushes off the ground, their leg muscles contract, converting chemical energy stored in the form of ATP (adenosine triphosphate) into kinetic energy as the legs move and the skateboarder accelerates. As the skateboarder continues to move, the muscles in their body work together to maintain balance and control, converting chemical energy into kinetic energy and potential energy as the skateboarder jumps, turns, and performs tricks.

Additionally, the skateboarder's body also experiences other forms of energy transformation during this process. For example, as the skateboarder moves, their body generates heat through metabolic processes, which is a form of thermal energy. The skateboarder also loses energy through friction with the ground and air resistance, which is converted into heat and sound energy.

In summary, the motion of the skateboarder is powered by a series of complex energy transformations that occur within their body. These transformations involve the conversion of stored chemical energy into kinetic and potential energy, as well as the generation of heat and sound energy through friction and air resistance.

The statement "All the major views of personal identity claim that in order for a person to survive through time, they must maintain the continued existence of a substance (though some claim a material substance is necessary while others say an immaterial substance is necessary)" is True.

Personal identity is the philosophy that seeks to understand the character of humans. It enquires about the persistence of humans over time and their identity between different contexts.

The definition of personal identity is usually derived from the three criteria of memory, consciousness, and self-awareness. A "person" may be described as someone with a certain type of immaterial mind or substance. Even so, others see personal identity as something connected to an individual's physical body, which, in turn, is part of the larger physical universe.

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The femur bone has two large trochanters on its proximal end. It is the largest bone in the human body, with a shaft that extends between the knee and hip joints.

It connects to the pelvis at the hip joint and to the tibia bone at the knee joint. The trochanters are large, bony bumps that protrude from the proximal end of the femur. The greater trochanter is located on the lateral (outer) side of the bone, while the lesser trochanter is located on the medial (inner) side.

These trochanters serve as attachment points for various muscles that move the hip and thigh, making them important landmarks for clinicians and anatomists who need to identify the position of muscles, tendons, and nerves that run near the femur. To summarize, the femur bone has two large trochanters on its proximal end, serving as attachment points for muscles that move the hip and thigh. It is the largest bone in the human body, connecting to the pelvis at the hip joint and to the tibia bone at the knee joint.

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Answer:

Water movement in aquifers is highly dependent of the permeability of the aquifer material. Permeability is the most important variable in groundwater. Permeability describes how easily water can flow through the rock or unconsolidated sediment and how easy it will be to extract the water for our purposes.

Explanation:

Answer: Permeability is the most important variable in groundwater. Permeability describes how easily water can flow through the rock or unconsolidated sediment and how easy it will be to extract the water for our purposes.

Explanation:

Answer:

I think it’s C because the tails are inside the lipid bilayer and the choline which looks like the hydrophilic heads are the exterior

The hydrophobic tails of the phospholipid are in the interior with the hydrophilic heads facing the aqueous envrionment internally and externally in the cell membrane.

The cell membrane is a phospholipid bilayer which serves to separate and protect the internal cell contents from the external envrionment.

The cell membrane membrane is arranged such that the hydrophobic tails of the phospholipid are in the interior with the hydrophilic heads facing the aqueous envrionment internally and externally.

Therefore, the hydrophilic heads will face outward toward the cell's exterior and inward toward the cell's interior while the fatty acids will be tail-to-tail in the center of the membrane.

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The true statements among the given options are 1. Each anticodon in tRNA pairs with exactly one codon, 2. Each codon in mRNA codes for exactly one amino acid, 3. Each tRNA carries exactly one type of amino acid, 4. There are multiple codons possible for nearly all amino acids, 5. The start codon also codes for an amino acid, and 6. Each stop codon does not code for an amino acid

Each anticodon in tRNA pairs with exactly one codon, this ensures the correct amino acid is added during protein synthesis. Each codon in mRNA codes for exactly one amino acid, this is the basis of the genetic code, which is universal in all living organisms. Each tRNA carries exactly one type of amino acid, the amino acid is specific to the anticodon of the tRNA molecule, ensuring proper translation. There are multiple codons possible for nearly all amino acids, this is due to the redundancy of the genetic code, where several codons can specify the same amino acid.

The start codon also codes for an amino acid, the start codon (AUG) codes for methionine in eukaryotes or a modified methionine (N-formylmethionine) in prokaryotes. Each stop codon does not code for an amino acid, stop codons signal the end of translation, and no corresponding tRNA molecule carries an amino acid for them.

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digestive process is the uptake of fluids or other substances by the tissues of the body. This process is called absorption.

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Answer:

B. a nucleotide

Explanation:

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The example of sensitization from the given alternatives is that 'A dog was hit by his previous owner, and now the dog cowers each time his new owner reaches out to pet him.'

Sensitization refers to the process in which an organism becomes more sensitive to stimuli, both good and bad. It happens when the body's nervous system becomes oversensitized to a particular stimulus that it begins to respond even to weaker or non-threatening stimuli.

The example given in the first option refers to a simple reflex action that occurs in response to the puff of air that is blown into the eyes during the eye examination. The third option is about sensory adaptation, which occurs when sensory receptors are exposed to stimuli for an extended period, resulting in a reduction in sensitivity. The fourth option refers to the fight or flight response that occurs as a result of a threatening stimulus, in which an individual's body prepares to confront or flee from danger.

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Answer:

the infection may feel like its going away but its still there and even though you feel better you still shouldnt save it bc those antibiotics were meant for  bacterial pneumonia

Explanation:

images focused on the side of the retina are not as sharply defined as those focused on the center of the retina, leading to blurred visual sensations.

Visual sensations from images focused on the side of the retina are blurred because the side of the retina contains mostly rod cells, which are responsible for low-light vision and peripheral vision, but are not as sensitive to details as cone cells found in the center of the retina. As a result, images focused on the side of the retina are not as sharply defined as those focused on the center of the retina, leading to blurred visual sensations.
Visual sensations from images focused on the side of the retina are blurred because the peripheral region of the retina contains fewer cones, which are responsible for high-resolution vision and color perception. As a result, the visual acuity and color sensitivity in the peripheral vision are lower compared to the central vision, where the fovea, a region dense with cones, is located.

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Answer:

the gallbladder.

Explanation:

A rat's digestive system differs from that of a human digestive system in two ways: it does not have a gallbladder and it has an enlarged cecum or large

Answer:

B. Our thought processes interpret situations and tell our brain how we should feel about them.

Answer:

a

Explanation:

smallest to largest is, monosaccharide, disaccharide, polysaccharide, took the test

The control center of the human body is the brain. The brain keeps and controls the challenge of virtually all physical features including digestion, excretion, the thrashing of the heart.

Your mind is just like the manage middle of your frame. It controls your respiration and heartbeat. It lets you suppose and learn. The mind is so "valuable" to all of your frame systems, it is now no longer sudden that the mind and spinal twine are known as the valuable frightened system.

The human mind is by and large composed of neurons, glial cells, neural stem cells, and blood vessels. Types of neurons encompass interneurons, pyramidal cells such as Betz cells, motor neurons (higher and decrease motor neurons), and cerebellar Purkinje cells.

Thus it is clear that the brain is the control center of the body.

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Answer:

Brain

Explanation:

Answer:

B-Collisional

Explanation:

Collisional boundary is the type of boundary depicted in the image below and is denoted as option B.

This boundary occurs when two land masses meet and they crush together to form fragments.

The image shows the land masses being together and crushing which is why collisional boundary was chosen.

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Answer: Tapwater and pure water are hypotonic. A single animal cell ( like a red blood cell) placed in a hypotonic solution will fill up with water and then burst.

Explanation:

Answer:

B

Explanation:

if you were a female and had this done to you, you would then understand.

The correct option is (E) . louis pasteur used a swan-necked flask to demonstrate that dust in the air is a source of living microbes.

Louis Pasteur was a French scientist, biologist, and microbiologist who lived from 1822 to 1895. In the 1860s, Pasteur made the renowned connection between sickness and germs and made the first scientific discovery of germs. Pasteur's germ hypothesis has played a significant role in how we comprehend disease. It was somewhat possible to stop these microorganisms (germs) from causing disease once it was known that they existed, carried, and transmitted disease. Finally, Pasteur had determined how and why infectious diseases spread. In a now-famous experiment, Pasteur employed a glass flask with an S-shaped neck. The "swan neck flask" was the name given to this S-shaped flask. The flask's design had a key role in Pasteur's discovery. He partially filled the flask's body with a broth-like "infusion" that was packed with nutrients. He next pasteurised the infusion by boiling it, which destroyed any germs that were already present in the liquid. The infusion was allowed to rest by Pasteur. He noticed that the physical characteristics, in particular the colour of the broth, did not alter over time. This, he said, was the result of airborne germ particles becoming caught in the s-shaped bend as they tried to enter the flask. Consequently, they hadn't tainted the fluids.

Pasteur next placed the particles within the flask's body and watched as the microbes proliferated and spoiled the infusion after emerging from the particles.

This disproved spontaneous generation, a once-dominant view of disease that said the air itself was to blame for the disease and showed that specific germ particles in the air were what caused the broth to spoil.

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g.p.e = m × g × h

g.p.e = Gravitational potential energy (J)

m = Mass (kg)

g = gravity (ms-¹) [9.8 or 10]

h = height (m)

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Answer:

Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.

Explanation:

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Answer:

cystic fibrosis births on the island would be approximately 16.95 times greater than on the original mainland.

Explanation:

To calculate the incidence of cystic fibrosis on the island, we need to consider the Hardy-Weinberg principle. According to the principle, in a population where the allele frequencies do not change, the genotype frequencies can be predicted using the following equations:

p^2 + 2pq + q^2 = 1

where:

p^2 represents the frequency of homozygous dominant individuals (AA)

2pq represents the frequency of heterozygous individuals (Aa)

q^2 represents the frequency of homozygous recessive individuals (aa)

In this scenario, two out of the 20 friends (or 2/20 = 0.1) carry the recessive cf allele. This corresponds to the frequency of the recessive allele (q) in the population. Therefore, q = 0.1.

To find the frequency of the dominant allele (p), we subtract the recessive allele frequency from 1: p = 1 - q = 1 - 0.1 = 0.9.

Now we can calculate the incidence of cystic fibrosis (q^2) on the island:

q^2 = (0.1)^2 = 0.01

Therefore, the incidence of cystic fibrosis on the island would be 0.01 or 1%.

To determine the comparison with the original mainland, we need to calculate the frequency of cystic fibrosis births on the mainland. Given that the frequency of births with cystic fibrosis on the mainland is 0.059%, we can compare this with the incidence on the island:

Cystic fibrosis births on the island / Cystic fibrosis births on the mainland = 0.01 / 0.00059

This calculation shows that cystic fibrosis births on the island would be approximately 16.95 times greater than on the original mainland.

Answer:

Most of them are unseen, visible only under a microscope. These tiny organisms are unicellular, composed of only a single cell. The familiar plants, animals and fungi that we can see represent only a tiny fraction of life on Earth. These organisms, being made of more than one cell, are called multicellular.

Explanation:

In G1 he has 12 chromosomes. In his S phase of the cell cycle, the amount of DNA doubles. The chromatids double, but the number of chromosomes remains the same. The number of chromosomes in G2 phase is equal to 12 chromosomes and the number of chromatids is 24.

The cell cycle consists of interphase (G 1 , S, and G 2 phases) followed by mitotic phases (mitosis and cytokinesis) and G 0 phases.

In the G1 phase of the cell cycle, each chromosome is composed of a single chromatid, and each chromatid is composed of a single double-stranded DNA molecule. Therefore, a cell with 12 chromosomes normally has 12 DNA molecules in G1.

Interphase begins in the G1 phase (G stands for Gap). During this stage, the cell makes various proteins required for DNA replication. In the S phase following the G1 phase, all chromosomes are replicated. After replication, each chromosome is made up of her two sister chromatids.

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Plumule: Embryonic shoot; Radicle: Embryonic root; Coleoptile: Sheath covering shoot; Coleorhiza: Sheath covering root; Hypocotyl: Connection between root and shoot. After-ripening: Maturation of dormant seeds. Stratification: Controlled seed exposure to break dormancy. Vivipary: Seeds germinate while attached.

1. Plumule: The embryonic shoot of a plant found within a seed, which eventually develops into the stem and leaves.

2. Radicle: The embryonic root of a plant found within a seed, which grows downward to anchor the plant and absorb water and nutrients from the soil.

3. Coleoptile: A protective sheath that covers the emerging shoot (plumule) in certain monocot plants, aiding in the penetration of the soil during germination.

4. Coleorhiza: A protective sheath that surrounds the radicle in certain monocot plants, facilitating the penetration of the soil during germination.

5. Hypocotyl: The region of a plant embryo situated between the radicle and the cotyledons, which serves as the connection between the root and the shoot.

6. After-ripening: The process in which dormant seeds undergo a period of maturation or aging, leading to changes in their physiological state that promote successful germination and growth.

7. Stratification: The controlled exposure of seeds to specific environmental conditions, such as cold and moist conditions, to simulate natural winter conditions and break seed dormancy, enhancing germination.

8. Vivipary: A reproductive adaptation in certain plants where seeds germinate while still attached to the parent plant, allowing them to establish themselves before being dispersed.

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Part A done, you will find the answers below.

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