Answer:Endoplasmic Reticulum
The ER has two major functions: Transport: Molecules, such as proteins, can move from place to place inside the ER, much like on an intracellular highway. Synthesis: Ribosomes that are attached to ER, similar to unattached ribosomes, make proteins. Lipids are also produced in the ER.
Explanation:
How the model in the image supports this statement: The body carries critical life functions through systems specialized cells
Some cells in the body have special jobs they are really good at doing. They are called specialized cells.
What is the specialized cells?The human body has lots of tiny cells, and each of them is different and has a special job to do. This group helps with important things needed to survive.
One type of cells carry oxygen and another type send electrical signals in our body. Specialized cells help the body do important things. Tissues: Groups of similar cells form tissues, such as muscle tissue, connective tissue, and epithelial tissue.
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As a result of an action potential, AcH is released from the axon terminal and attaches to receptors on the motor end plate. Sodium rushes in the T-tubules and all the steps occur until the muscle contracts in the leg and carry out the command transported by the motor neuron. Which gray horn is the cell body of the motor neuron located? Infer and explain if this is a positive or negative feedback
1) The cell body of the motor neuron is located in the ventral or anterior horn of the grey matter. From there, it extends to the motor unit. 2) Contraction refers to negative feedback in which the body reacts when facing a stimulus.
What is the anatomy of the spinal cord?The spinal cord is mainly composed of grey matter and white matter. The second one covers the first one.
The grey matter transversal section is composed of posterior, lateral, and anterior horns, also known as dorsal, lateral, and ventral horns, respectively.
Each type of horn contains a type of neuron.
In the posterior/dorsal horns, we can find sensory neurons that provide sensory information.In the thoracic area, we can find lateral horns with visceral motor neurons.
In the anterior/ventral horns, we can find motor neurons that extend to the skeletal muscle, which is the motor unit, to produce movement.
The motor neuron from the exposed example is located in the anterior or ventral gray horn.
This example refers to negative feedback because the neurotransmitter release causes a cascade effect that ends in muscle contraction, tending to suppress or counter the original stimuli.
Any change that might occur in the internal functioning will be countered by negative feedback to maintain homeostasis.
Negative feedback needs receptors, central control, and effectors.
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Which is an advantage to using nonrenewable resources?
They can be cheaper.
They can have a lower impact on the environment.
They can be used up rapidly.
They can contribute to global warming.
Answer:
A
Explanation:
How many (tatal)HIV positive cases detected in 2012?
There witnessed a rise of new cases of HIV of 2.3 million [1.9 million-2.7 million] persons globally. During 2000 and 2012, 26 countries was a 50% of higher reduction on new infections of HIV amongst young people and adults.
How many people have been diagnosed with HIV?Situation and trends worldwide: Approximately 40.1 million [33.6-48.6 million] people passed away from HIV since the epidemic's start, while 84.2 million [64.0-113.0 million] individuals got the infection. At the close of the year 2021, there were a total of 38.4 percent billion [33.9-43.8 million] HIV-positive individuals worldwide.
How many Indians have the virus?About 24 lakh people are thought to be HIV-positive (PLHIV) at any given time. The majority of PLHIV are found in southern states; the nation's top 3 are Maharashtra, the southern state of Andhra Pradesh, and Karnataka. In 2012, India's annual infection rates (ANI) were predicted to total 62,970.
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Clouds are formed when
sunlight causes water droplets to evaporate.
liquid water condenses on grass and windows.
raindrops freeze into tiny pellets and fall to Earth.
water vapor in the air condenses to form liquid water or ice.
Clouds are formed when water vapor in the air condenses to form liquid water or ice. So, the correct option is D.
What are Clouds?Tiny water droplets or ice crystals in the Earth's atmosphere can be seen as visible collections in the form of clouds. They form when moist, warm air rises and cools, causing water vapor in the air to condense into tiny droplets of water or ice. Clouds are formed when water vapor in the air condenses to form liquid water or ice.
As warm, moist air rises and cools, water vapor in the air condenses around fine particles such as dust or salt to form droplets or ice crystals. The ice crystals or droplets then group together to form clouds. The water cycle, which works to move water and energy across Earth's atmosphere and surface, is crucial to the process of cloud formation.
Therefore, the correct option is D.
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There are usually three arguments for maintaining biological diversity.
What are these? Give an example of each argument
While we are in deep sleep, our bodies shut down our ability to move our limbs. This would involve shutting down _____________ components of the _______________ nervous system. (2 points)
voluntary; peripheral
involuntary; peripheral
voluntary; autonomic
involuntary; autonomic
Answer:
voluntary; peripheral
If a marine fish is placed in a fresh water aquarium, will the fish be able to survive? Why or why not?
As a discussed in the lesson, eukaryotic cels are differ from prokaryotic cells based on what three things?
Answer:
Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its DNA is surrounded by a membrane), and has other membrane-bound organelles that allow for compartmentalization of functions
15.
Airborne cells, produced by molds and bacteria, that are able to reproduce in the
presence of water are called
-gametes
-zygotes
-organisms
-spores
Answer: Spores
Explanation:
The airborne cells, produced by molds and bacteria, that are able to reproduce in the presence of water are called spores.
How does adhesion help explain how a sponge or paper towel cleans up spilled water?
Answer:
Adhesion is a property of water that allows it to stick to things. This is why you can clean up spilled water with a sponge or paper towel. The negative and positive charge in water's molecules are attracted to other things with a negative and positive charge.
hope this helps ߷
Among different properties of water, adhesions is a property which allow water to stick to things. Hence, during clean up by paper towel or any sponge can absorb that water molecule.
What are the properties of Water?Water is a chemical molecule having formula H2O where two hydrogen atoms covalently bonded to a single oxygen atom to form one molecule of water.
It is a colorless, odorless, tasteless fluid present in the condensed form due to extensive hydrogen bonds.
It has high melting, boiling points, higher specific heat, thermal conductivity, surface tension, dipole moment, etc.
It maintain the body temperature as it has a high latent heat of vaporization.
Water show acidic and basic behavior, involve in redox reaction and hydrolysis reaction.
As paper towel made up of cellulose sugar molecule, it help in absorption of water.
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an organism that only has one cell for its body cell 2. the basic unit of life according to the cell theory epidermis 3. the internal spherical structure in a cell which serves as the central control nucleolus 4. serves to give strength and rigidity to the plant cell cell wall 5. the living substance of a cell, excluding the nucleus plasma membrane 6. the outer layer of cells of the stems, roots, and leaves of plants life cycle 7. the stages of a plant or animal's life organismal theory 8. fluid filled sacs within the cytoplasm of a cell which are bound by a membrane acellular organism 9. the semipermeable membrane surrounding the cell organism 10. an organism not divided into cells matter 11. that which occupies space and has mass cytoplasm 12. they are thought to make r-rna to construct the ribosomes vacuole 13. a functional plant or animal unicellular organism 14. the basic unit of life is the organism itself slime mold 15. a type of protist which has a stage in its life cycle when it is not divided into cells cell theory 16. the basic unit of life is the cell nucleus
According to the question Unicellular organism: An organism that only has one cell for its body.
What is organism?Organism is a living thing—an individual living being. Organisms range from single-celled bacteria and protozoans to complex multicellular animals, plants, and fungi. All organisms share certain characteristics, such as the ability to take in and use energy, respond to their environment, and reproduce.
1. Unicellular organism: An organism that only has one cell for its body.
2. Cell Theory: The basic unit of life according to the cell theory.
3. Nucleolus: The internal spherical structure in a cell which serves as the central control.
4. Cell Wall: Serves to give strength and rigidity to the plant cell.
5. Plasma Membrane: The living substance of a cell, excluding the nucleus.
6. Life Cycle: The stages of a plant or animal's life.
7. Organismal Theory: The basic unit of life is the organism itself.
8. Vacuole: Fluid filled sacs within the cytoplasm of a cell which are bound by a membrane.
9. Acellular organism: An organism not divided into cells.
10. Matter: That which occupies space and has mass.
11. Cytoplasm: The fluid-filled area of a cell between the nucleus and the plasma membrane.
12. Slime Mold: A type of protist which has a stage in its life cycle when it is not divided into cells.
13. Cell Theory: The basic unit of life is the cell.
14. Nucleus: The semipermeable membrane surrounding the cell.
15. Organism: A functional plant or animal.
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Hi guys i need help please! :)
Question: Which of the following is the most accurate when discussing the function
of nerve cells?
a) Adenosine diphosphate moves across the synapse to the postsynaptic
neuron
b) Acetylcholine triggers the release of calcium ions from the vesicles
c) The action potential moves in a wave-like fashion along the axon of
the neuron towards the axon terminal
d) Sodium and potassium ions contribute to an action potential
produced by nerve cells
The statement 'Sodium and potassium ions contribute to an action potential produced by nerve cells' is the most accurate when discussing the function of nerve cells (Option d).
What is the function of nerve cells?The function of nerve cells is associated with the entry and out of sodium and potassium ions across the plasma membrane, which generates differences in electrical charges between the cell and the surrounding medium.
In conclusion, the statement 'Sodium and potassium ions contribute to an action potential produced by nerve cells' is the most accurate when discussing the function of nerve cells (Option d).
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12. A postpartum woman came to clinic secking for a non-hormonal and long-acting contraceptive as she does not need more children. The nurse explained about the benefits and side effects of the contraceptive method requested and planned to provide the service for the woman What is the most appropriate time to provide this contraception after delivery? A. 45 days 48 hours C. Six months IX. Nine month
The most appropriate time to provide contraception after delivery is 45 days. Hence option (A) is the answer.
When should a woman start contraception after giving birth?In general, women with additional risk factors for venous thromboembolism should not take combined hormonal contraceptives for the first 21 days postpartum, and they should not use them for up to 42 days postpartum. However, after 42 days postpartum, they may be used without restriction.
If you intend to nurse your child, you should refrain from taking the majority of hormonal birth control methods for 4 to 6 weeks following your pregnancy. Because your milk production could be impacted by the hormones. They are often ready for use three weeks after delivery if you don't intend to breastfeed. To avoid unwanted pregnancies, however, effective contraception is necessary up until menopause.
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state the average value of GFR
Since GFR decreases with age , then the average value of GFR will be 90 to 120mL/min/1.73 m2
What is GFR?
GFR (Glomerular Filtration Rate) can be said to be the amount of plasma entering Bowman’s capsule per minute. It is the renal plasma flow × the fraction that enters the renal capsule (19 percent).578*0.19 = 110 mL filtrate/min. Glomerular filtration rate (GFR) is referred to as a blood test that checks to control how well your kidneys are working.
What is a normal GFR?We can deduce from the National Kidney Foundation, normal results range from 90 to 120 mL/min/1.73 m2. Older people will have lower than normal GFR levels, since GFR decreases with age
How can I improve my GFR?In other to improve and have a healthy GFR it is important to avoid regular in-take of processed foods and choose fresh fruits and vegetables instead. Following a low-salt diet is essential because of it effect on blood pressure.
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What
happens to the fat
you "burn off"
during exercise?
How does food
make us gain
weight?
Answer:
by working out and it expands out stomach
Explanation:
Dams are barriers that prevent the flow of water. They are created to provide flood control, recreational areas, water for irrigation, and hydroelectric power.
Although dams serve many important purposes, they can also have a negative impact on the environment by
A.
preventing fish from moving along a river.
B.
serving as a place for people to have picnics.
C.
increasing fresh water sources for humans.
D.
providing new wildlife habitats.
Answer:
A. Preventing fish from moving along a river.
Explanation:
1. Dams create barriers and trap the water that builds up behind it. This prevents fish from moving along the river as there's a barrier in place and is just overall harder for the fish to move freely along a river because of it.
2. It's the only negative option as the others are all positive outcomes, while the question asks for a negative outcome instead.
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The temperature of a substance changes from 120 C to 35 C. Which of the following is true?
The Kinetic Energy of the particles did not change.
The particles of the substance resulted in a high Kinetic Energy.
The particles of the substance initially had high Kinetic Energy.
The particles of the substance initially had high Kinetic Energy.
Does the kinetic energy of a particle change as the temperature changes?Gas particles move quickly in all directions and regularly collide with one another and the container's side. The particles gather kinetic energy and accelerate as the temperature rises. The particles' real average speed is influenced by their mass and temperature.
In liquids, particles are quite close together and move with random motion throughout the container. Due to the closer proximity of the particles, collisions between them happen more frequently than in gases even if particles are moving quickly in all directions.
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New technology is important to the development of theories because it
allows for repeated experimentation.
enables the publication of new research.
replaces theories that are old and hard to test.
provides a new way to acquire new information.
New technology is important to the development of theories because it provides a new way to acquire new information. With new technology, researchers can collect data in new and more precise ways, which can lead to new insights and discoveries. It can also allow for the testing of existing theories in new ways or under different conditions, leading to a better understanding of the phenomena being studied. However, the importance of technology in developing theories does not necessarily mean that it replaces old theories or allows for repeated experimentation on its own. Theories are typically developed through a combination of empirical evidence, experimentation, and theoretical modeling, and the role of technology is to provide new tools and methods for gathering and analyzing data.
Native autotroph species Of grassland (at least three)
Native heterotroph species of grassland (at least three)
Invasive species (at least one) of grassland
Endangered species (at least one) of grassland Briefly explain why this species is endangered.
Native autotroph species of grassland may include different grasses such as wild oats, foxtail, buffalo grass, goldenrod, and sunflowers, invasive species include the pine false webworm or Japanese beetle, while endangered species include prairie dogs.
What is a grasland biome?A grassland biome is an ecosystem in which grasses represent the dominant type of vegetation but it may also include trees, has limited annual precipitation, and thereby this biome is predominantly dry over the year.
Therefore, with this data, we can see that a grassland biome is mainly composed of grass autotrophic plants.
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When a phosphate group is removed from an ATP molecule, energy is......................
Answer:
Released.
Explanation:
The bonds between the phosphates in ATP are very high energy, meaning that the bonds really really want to break because phosphates don't like being so close to each other. When the bonds do break, a ton of energy is released (think of it like a celebration that they aren't so close anymore).
How did Galileo increase public support for Copernicus model
identify the relationship between the components of photosynthesis
Answer: To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight. for photosynthesis. Carbon dioxide enters through tiny holes in a plant's leaves, flowers, branches, stems, and roots. Plants also require water to make their food.
Explanation:
of translation happens when the ribosome hits a stop codon on the mRNA. 2. of translation always happens at the start codon of the mRNA. 3. The process, performed by the ribosome, of reading mRNA and synthesizing a protein is called . 4. The RNA that has an amino acid attached to it, and that binds to the codon on the mRNA, is called a . 5. Amino acids are attached to tRNA by enzymes called .
We can confirm that when a ribosome hits a stop codon, the translation process halts, which is the process by which the mRNA is read to produce a protein through the use of tRNA and aminoacyl-tRNA synthetase.
What are the distinct types of RNA?The process of translation in order to produce a protein has many parts. The mRNA is the messenger RNA that holds the genetic code needed to create the protein, this is read by the ribosomes. These ribosomes use the aminoacyl-tRNA synthetase enzyme to attach the corresponding amino acids to the transfer RNA or tRNA and later to the protein itself.
Therefore, we can confirm that when a ribosome hits a stop codon, the translation process halts, which is the process by which the mRNA is read to produce a protein through the use of tRNA and aminoacyl-tRNA synthetase.
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fruit flies have a diploid number of 8 how many chromosomes are present in the somatic cell of a fruit fly
Answer: 8 chromosomes in a fruit fly’s somatic cell
What process releases
the phosphate minerals?
Answer: weathering
Explanation:
For the voltage-gated sodium channel to allow sodium into the cell:_______.
a. the activation and inactivation gates must both be open
b. only the activation gate must be open
c. only the inactivation gate must be open
d. the inactivation gate must be closed shortly before the activation gate opens
e. the activation and inactivation gates must both be closed
Answer:
The correct option is - (a) the activation and inactivation gates must both be open.
Explanation:
Option (a) is correct because of the following reason -
The axonal membrane is at its natural resting potential until an action potential occurs, and \(Na^+\) channels are deactivated and blocked on the extracellular side by their activation gates. The activation gates open in response to an electric current, allowing positively charged \(Na^+\) ions to flow into the neuron through the channels. When enough \(Na^+\) has penetrated the neuron and the membrane potential has reached a certain level, the \(Na^+\) channels inactivate themselves by closing their inactivation gates at the height of the action potential. The inactivation gate can be thought of as a "plug" tethered to the intracellular alpha subunit's domains III and IV. When the inactivation gate is closed, the flow of \(Na^+\) through the channel is stopped. As a result, both the activation and inactivation gates must be open to enable sodium ions to enter the cell.
Hence , the correct option is (a).
Density is mass per unit of volume. Which pair of lab instruments would a student use to measure the density of seawater?
answer:
a balance and a graduated cylinder
Explanation
Density is mass per unit and it is property characteristic of a substance. The arrangement of the mass of atoms and their size is what determines the the density of a substance.
For a student to measure the density of seawater he/she is required to use a balance and a graduated cylinder where a balance will be used to measure the mass of the mineral sample and then a graduated cylinder to determine the volume.
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Please support the cause. If we all plant a tree, just 1 each, even 1 per family, it will save us from the future that global warming will bring us without these trees. plant a tree today and say to yourself, "wow i just planted a tree for a very important cause, and i saved someone's life today!"
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Answer: So tlm ( Trees lifes matter) alr aye!!!!!!!
Explanation:
Which of the following resources has the advantages of being a very predictable energy source and renewable?
A: nuclear power
B: Ocean Exothermic energy
C:petroleum energy
D: tidal power: