in what part of the given pathway is norepinephrine secreted?
Answer:
From the varicosities of the postganglionic fiberSource: Mastering A&P #10: The Sympathetic and Parasympathetic System - Quizletis it safe to use it
is it safe to use what
Which statement about the specific immune response is FALSE?
Each T or B cell has antigen receptors for only one specific antigen.
T and B cells recognize antigens by using antibodies bound to their surface membranes.
Unique antigen receptors are created by genetic recombination.
Antigens must be presented by an MHC molecule for T and B cells to recognize them.
All cells express MHC-I molecules, but only antigen-presenting cells express MHC-II molecules.
An organelle that releases energy for metabolic activity in a nerve cell is the...?
Answer:
Mitochondria
Explanation:
Mitochondria is an organelle that creates energy in the form of ATP in all living cells.
what does it mean when we say a gene is turned off?
The effects of this type of severe weather can include tress blown over by high winds, flooding caused by heavy rains, and damage to coastal areas caused by storm waves. What type of severe weather does this describe?
A. tornado
B. thunderstorm
C. blizzard
D. hurricane
Answer:
thunderstorm
Explanation:
What is a positive effect of the technological advance of going from a compass to a gps
Answer:
The positive effect of the application of a GPS over a compass is that one can get success in getting to his or her desired location. A GPS can inform about the exact location, and when it is combined with a map, it makes the person reach straight to where he or she desires to go
Explanation:
PLS HELP ASAP THANKS ILL GIVE BRAINLKEST
Which of the following does not directly cause erosion?
O Ice
OLichen
ОSun light
oChemicals
Answer:
a ice
Explanation:
ice doesnt cause erosion directly
What happens yo DNA as the cells prepares to divide
DNA Synthesis
In preparation for cell division, the cell makes a replica of its entire DNA. This happens during the S, or synthesis, phase of the cell cycle. Mitosis is the division of one cell into two cells that each has a nucleus and the same amount of DNA as the original cell.
Which of the following contains polar bonds? only one answer
sodium fluoride
nitrogen molecules ,
water molecules
magnesium chloride
Answer:
it's water molecules
Explanation:
Polar bonds are intermediate between pure covalent bonds and ionic bonds. They form when the electronegativity difference between the anion and cation is between 0.4 and 1.7. Examples of molecules with polar bonds include water, hydrogen fluoride, sulfur dioxide, and ammonia
Match each part of the urinary system with the correct label.
Answer:
1 Kidneys
2 Ureters
3 Bladder
4 Urethra
Explanation: are correct in edg
4. Arterioles are the
a. Vein system.
b. Arteries system.
c. Arteries and vein system.
d. Arteries and blood system
Answer:
b. Arteries system
Explanation:
why is a chromosome smaller than dna
Answer:
A chromosome is not smaller than DNA
Explanation:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
which hormone plays a key role in determing the ability to perform better on tests of spatial ability for
In aerobic respiration, glucose and oxygen are used up and carbon dioxide, water and __________ are released. What one word completes the sentence?
Answer:
energy
Explanation:
aerobic respiration is the term for the chemical reactions in cells that use oxygen to break down nutrients molecules to release energy. The energy produced is 2830kJ of energy
When comparing plant cells to animal cells, which organelle is only present in plant cells?(1 point)
mitochondrion
cell membrane
cytoplasm
cell wall
Answer:
- cell wall -
Explanation:
The answer is a cell wall because the cell wall in a plant acts as a 'skeletal system'.
So tell yourself does, an animal that already has a skeleton, need the cell wall?!
NO! It dan't! That's why animals don't have the cell walls and plants do.
!!! Hoped that helped !!!
When comparing plant cells to animal cells, cell wall is only present in plant cells. The correct option is D.
What is cell wall?A cell wall is a structural layer found just outside the cell membrane that surrounds some types of cells.
It can be tough, flexible, and rigid at times. It provides structural support and protection to the cell, as well as acting as a filtering mechanism.
The cell wall is made up of a network of cellulose microfibrils and cross-linking glycans embedded in a matrix of pectin polysaccharides that is highly cross-linked. Lignin can be found in secondary cell walls.
It provides a structural framework for plant growth and serves as the plant's first line of defense against pathogens.
The cell wall must also retain some flexibility so that it can be rapidly remodeled in response to developmental, biotic, or abiotic stimuli.
Thus, the correct option is D.
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The action by which a fluid enters the microhematocrit tube because of the attraction between the fluid and the tube is called
The action by which a fluid enters the microhematocrit tube because of the attraction between the fluid and the tube is called capillary action.
Jumana relocated to Canada after the civil war in Syria displaced her family. After many years of odd jobs, she opened a small shop that sells homemade sweets and imported textiles from the Middle East. She rents her storefront in a building owned by her uncle, who has lived in Canada for nearly 30 years. Business is good and she can consistently pay her bills on time, but she hopes it will get better so that she can invest and one day buy a house.
Requried:
What statements BEST describes Jumana's situation?
Answer:
jumana leave her country to Canada for a better life
Jumana came to Canada for better life and buy new house for herself.
What is situation?Situation is defined as the circumstances and collection of events that are present at a specific time and location. Situation can be used to refer to what is happening to you personally or broadly to what is happening at a specific location and time. Briefly describe the issue or task you managed, providing pertinent information as necessary. Action: Describe the steps you took to finish your assignment or find a solution.
Many immigrants from throughout the world live in Canada. Canada continues to draw a lot of immigrants due to its stunning natural surroundings, vast open areas, mountains, trees, and lakes. a free society with a Charter of Rights and Freedoms that outlines fundamental human rights.
Thus, Jumana came to Canada for better life and buy new house for herself.
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1. how would dr.budai refer to the new fern that contractors plan on introducing into the environment?
2.how might removing the flowering plants and replace it them with ferns affect the population numbers of the butterfly and the new species?
3. how might the building of the hotel affect the population of the new species?
Growing of ferns instead of flowering plants and building a hotel adversely affect the butterfly and species.
Dr. budai has bad reaction to the new fern that contractors plan on introducing into the environment because it will be grown instead of flowering plants which is necessary for the survival of butterfly.
Removing the flowering plants and replace it them with ferns negatively affect the population of the butterfly and the new species because butterfly feeds on the nectar of the flowers whose removal decrease the population of butterfly and those species which feed on butterfly also adversely affected due to unavailability of food source.
The building of the hotel adversely affect the population of the new species because habitat of that species will be destroyed so we can conclude that growing of ferns instead of flowering plants and building a hotel adversely affect the butterfly and species.
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in the past century the concentration of carbon dioxide in the atmosphere has been increasing steadily describe an effect this might have on earths climate
Answer:
That is causing global warming. It is causing the sea level to rise and it is also making hurricane stronger.
Explanation:
In osmosis, water moves from an area of high solute concentration to an area with lower solute concentration. True False
Answer:
FALSEExplanation:
Osmosis is the process by which molecules of a solvent pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.
Pls mark as BRAINLIESTThe cerebral nuclei are also called the basal nuclei and sometimes are incorrectly called the basal ganglia. Why is this incorrect
It is incorrect to name basal nuclei as basal ganglia because the term 'ganglia' refers to clusters of cell bodies in the peripheral nervous system (PNS). The basal nuclei are a group of subcortical nuclei.
The basal nuclei are a group of subcortical nuclei located deep in the cerebral hemisphere and midbrain.
The basal nuclei can be defined as a region of the brain that is involved in muscle coordination and movement.
The term ganglia make reference to a group of neurons outside of the central nervous system in the peripheral nervous system (PNS).
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Immediately after a forest fire, the primary consumers in the area will compete most for which biotic factor?
In a freshly burnt forest, primary consumers will compete for forages with themselves.
Primary consumers are organisms that feed on producers.
When a forest is lost to fire, most of the plants (the producers) are lost.
Thus, primary consumers will compete heavily for the few plants that are left among themselves.
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In a freshly burnt forest, primary consumers will compete for forages with themselves.
Who are Primary consumers?
Primary consumers are herbivores, feeding on plants.Caterpillars, insects are examples of primary consumers because they only eat autotrophs (plants). Primary consumers are organisms that feed on producers.When a forest is lost to fire, most of the plants (the producers) are lost. A major energy pathway is eradicated, reducing system productivity and shifting importance to energy supplied by primary producers.
Thus, primary consumers will compete heavily for the few plants that are left among themselves.
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An elk herd is observed over many generations. Most of the full-grown bull elk have antlers of nearly the same size, although a few have antlers that are significantly larger or smaller than this average size. The average antler size remains constant over the generations. Which of the following effects probably accounts for this situation?
a. directional selection
b. stabilizing selection
c. diversifying selection
d. bottleneck effect
e. Genetic Drift
Answer:
b
Explanation:
Why is it important for each cell to be surrounded by a cell membrane that prevents large molecules from leaving the cell?
Explanation:
because cell membrane protect the cell
How do lenses correct vision?
A.) They bend the cornea.
B.) They reflect light away from the retina.
C.) They reflect light towards the retina.
D.) They bend light so that it focuses on the retina.
Answer: D
Explanation:
Glasses correct vision by allowing your eyes to focus light on the correct spot of your retina. The curved frames bend light, and with the right prescription, these frames manipulate the light to reach the correct spot on your retina.
Glasses improve vision by focusing light on the retina. With the right prescription, curved frames bend light to reach the retina.Therefore, option (D) is correct.
What is the function of lenses?Your eyes will be able to focus light on the appropriate portion of your retina when you wear glasses. This will result in improved vision. Light is bent by the curved frames, and when combined with the appropriate prescription, these frames may modify light such that it falls on the retina in the correct location.
Myopia, often known as the inability to see things that are far away, can be rectified with a lens that has a diverging power, which lowers its overall strength. The condition known as hyperopia, in which a person has difficulty seeing things that are up close, can be treated with a lens that converges light in order to boost its power.
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what type of ions carry the impulse across the synapse from one neuron to the next ?
It's the sodium ion.
When a neural impulse is fired in both neurons, it is always cause by an excited electron in one neuron moving to the other neuron to destabilize the balance of ions trying to keep them at equilibrium. This action either depolarizes or hyper-polarizes the membrane. If it does, then sodium ions--the key deficient ones--can flow into that region of low charge and maintain that state of low charge, keeping the cell membrane stable.
why do scientist say "Dont panic"
Answer:
Because you could do something irrational
Explanation:
How does melanoma affect the functions of the skin?
How does jaundice affect the functions of the skin?
Answer:
Melanoma is a type of skin cancer that develops in certain skin cells called melanocytes. These are the cells that make the pigment (melanin) that colors your skin. When exposed to UV radiation, such as sunlight, the melanocytes make more pigment, causing the skin to darken or tan. Melanoma starts in cells in the skin called melanocytes. These cells are in the deep layer of the epidermis between the layer of basal cells.
Jaundice causes the skin and the whites of the eyes to turn yellow. The higher the bilirubin level, the yellower the skin. Severe jaundice usually also causes itching and bile. Bile is fluid secreted by the liver.