Answer:
When a nerve impulse reaches the end of an axon, the axon releases chemicals called neurotransmitters. Neurotransmitters travel across the synapse between the axon and the dendrite of the next neuron.
Explanation:
The binding allows the nerve impulse to travel through the receiving neuron.
Which of the following is not related to the cell cycle?
Cell division
Cell division
Organism groth
Organism groth
DNA replication
DNA replication
Reproduction
none
Explanation:
The study of the cell cycle focuses on mechanisms that regulate the timing and frequency of DNA duplication and cell division. As a biological concept, the cell cycle is defined as the period between successive divisions of a cell. During this period, the contents of the cell must be accurately replicated.
Answer: NONE!!!!!!!!!!!!!
Explanation:edge
what is the common denominator among sexually transmitted infections?
Answer:
They all involve a fragile infectious agent.
Explanation:
The five main types of infectious agents are bacteria, protozoa, viruses, parasitic worms, and fungi.
Which proteins would be synthesized on the rough endoplasmic reticulum and processed in golgi apparatus?.
lysosome enzymes they best form proteins in the lumen of the lysosome.
These sweat glands are more abundant and can be found in your palms,
forehead, and the soles of your feet. What is the name of these glands?
eccrine glands
apocrine glands
puberty glands
sebaceous glands
Answer:
Eccrine glands
Explanation:
There are two to four million sweat glands distributed all over our bodies. The majority of them are “eccrine” sweat glands, which are found in large numbers on the soles of the feet, the palms, the forehead and cheeks, and in the armpits.
#If i'm wrong, i'm sorry
Out of control during a temper tantrum, Malcolm smashed his fist through a glass door. Several tendons were sliced through at the anterior wrist. What movements are likely to be lost if tendon repair is not possible
Given what we know about the functions of muscles and tendons in the human body, we can confirm that if not repaired correctly, Malcolm is likely to lose the ability to flex his hand and its fingers.
The anterior wrist is an important anatomical region in terms of the muscular contents it carries. This region contains an anatomical topographic element known as the Carpal tunnel. Famous for the well-known "Carpal Tunnel Syndrome", this tunnel contains the ligaments for most of the muscles that flex the palm of the hand and each of the fingers,
Though the tendons in charge of flexing the thumb are not located in this tunnel, they are also located in the anterior wrist area, which means that even this function may be lost by Malcolm if his injury is not repaired quickly. Every muscle in charge of flexing the hand and fingers are located in this region and are very likely to lose functionality with this kind of injury.
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An organism that lives in an area where it must be concerned with the possibility of being swept away or crushed by waves, or being immersed during high tides and left high and dry (and much hotter) at low tides as well as having to cope with changing levels of salinity most likely lives in what coastal zone
What best describes a mechanism in which the body responds
to low levels of a hormone by releasing more of that hormone?
a negative feedback
b positive feedback
C lateral feedback
d none of the above
Answer:
a.negative feedback
Explanation:
Hormone production and release are primarily controlled by negative feedback. In negative feedback systems, a stimulus elicits the release of a substance; once the substance reaches a certain level, it sends a signal that stops further release of the substance.
You are a plant population ecologist. You discover that several plants in Europe are declining and should be considered for the Red List. Who manages the list you think these plants belong on
The persons that manage the Red list of plants belong to the International Union for Conservation of Nature. The IUCN is aimed at achieving sustainable use of natural resources.
The International Union for Conservation of Nature (IUCN) is an international organization aimed at conserving natural wildlife and achieving sustainable use of natural resources.
The IUCN is the world’s oldest environmental organization, which was founded in October 1948 in Fontainebleau (France).
The most important objective of this organization (IUCN) is to encourage societies throughout the world to conserve the biodiversity of nature.
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what are the three most common shapes of viruses?
Answer:
helical, polyhedral (which includes icosahedral and prolate shapes), and complex shapes.
Read the following statements with reference to soil:(i) Weathering is a
very fast process of soil formation. (ii) Percolation of water is faster in sandy
soils. (iii) Loamy soil contains only sand and clay.(iv) Top soil contains the
maximum amount
of humus. Choose the correct statements from the
above
(ii) and (iv)
(i) and (iii)
(ii) and (iii)
(i) and (ii)
Answer:
i.) and ii.)
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100 POINTS
In 1970, the US Congress passed the Clean Air Act to combat increasing levels of harmful pollution in the atmosphere. The law was amended in 1977 and 1990 to make major improvements. Read a brief summary about the Clean Air Act. Then read about how our nation's air status and trends have changed since this law was passed. As you’re reading and scrolling through the nation’s air quality trends, list three positive or negative outcomes of the Clean Air Act.
Positive Outcome :
Cleaner lungs.Decreased asthma and allergies symptoms.Improved skin appearance.Helps digestion.Psychological and emotional stabilizer.Better mood and normalized sleep patterns.Reduce chances of lung, heart, and arterial diseases.Negative Outcome :
According to the EPA, when we are exposed to high levels of hazardous air pollutants for an extended period of time .We face a greater risk of suffering serious health effects, including respiratory diseases, neurological disorders, reduced fertility, damage to our immune system, and increased risks of getting cancer.Answer:
Explanation:
\The scientific study of the transmission of traits from one generation to the next is called __________.
i’m pretty sure heredity (also called inheritance or biological inheritance)
Answer:
The answer is Genetics
Hope this helps
Explain why a) glucose and b) protein do not normally appear in the urine: (The reasons are different)
Answer:
Ordinarily, urine contains no glucose because the kidneys are able to reabsorb all of the filtered glucose from the tubular fluid back into the bloodstream. Glycosuria is nearly always caused by elevated blood glucose levels, most commonly due to untreated diabetes mellitus.
Explanation:
Protein is present in the blood; healthy kidneys should only filter tiny (trace) amounts into the urine as most protein molecules are too large for the filters (glomeruli). It is not usual to lose protein in the urine.
hope it helps
With each ventricular systole, A) blood pressure remains steady. B) the ventricles fill with blood. C) blood pressure decreases. D) cardiac output decreases. E) blood pressure increases.
Answer:
C. blood pressure increases
Explanation:
With each ventricular systole, pressure increases.
So, option E is correct one.
What are ventricles and ventricular systole?The ventricles are either of the two lower chamber of heart that receives the blood from the artria and in turn forces it into thearteries.
During ventricular systole the ventricles are contracting and vigorously pulsing ( or rejecting) two separate blood supplies from the heart to lungs and another heart to other body organs and systems.
The blood pressure during ventricular systoles rises in the ventricles, pumping blood into the pulmonary truck from the right ventricles and into the aorto from the left ventricles.
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IS your tongue breaking pieces of a hamburger apart a physical change or a chemical change
Answer:
Mechanical Digestion = Physical Change Takes place inside the mouth where teeth and tongue breakdown food. So in short, Physical Change.
Answer: it’s both physical and chemical
I'm a network of passageways that transport proteins throughout the cell; Who am I?
A. Nuclear Membrane
B. Endoplasmic Reticulum
C. Chloroplast
D. Ribosomes
Biological functions associated with one or more of the different classes of antibodies include ______.
Given what we know about the biological process by which our cells fight off foreign bodies, we can confirm that functions associated with one or more of the different classes of antibodies include allergic reactions.
When our bodies detect a foreign organism, it will, more likely than not, detect it as a threat and attempt to dispose of it accordingly. The way the body goes about doing this is by using antibodies.
The organisms that may wish to cause harm within the human body and its cells are not always the same, in fact, there are thousands of distinct bacteria that cause a variety of different harmful effects. For this reason, the body produces an equal amount of antibodies, one type for each type of bacteria.
Allergic reactions are one of the Biological functions that include more than one class of antibodies. This is due to the fact that allergies can be caused by many kinds of foreign particles, even at the same time.
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(03.02 MC)
Being able to reproduce asexually benefits the organism during times when mates are hard to find.
Under what circumstances would asexual reproduction be most beneficial? (1 point)
1 ) The species finds its life span is increasing rapidly.
2 )The species finds itself falling prey to a new and well-adapted predator.
3 ) The species needs to adapt to a dwindling source of food.
The species needs to develop resistance to a new type of disease.
Answer:
2 )The species finds itself falling prey to a new and well-adapted predator.
Explanation:
Hope this helps :3
Complete these sentences by matching the phrases below.
Scientists
recreate early
conditions of the
universe using
?
the Doppler effect
The speed of
stars can be
measured using
?
cosmic microwave
background radiation.
The prevailing
idea about the
beginning of the
universe is
called:
12
particle accelerators
The heat left
over from the
beginning of the
universe is:
the Big Bang theory
Ii
Answer:
Start from the basics
Explanation:
A physics theory called the Big Bang event explains how the cosmos grew from a highly dense and hot starting condition. The evolution of the visible universe from the oldest known times through its succeeding large-scale form is explained by several numerical solutions of the Big Bang.
According to scientists, the universe started with every last bit of energy compressed into a single, minuscule point. The explosion from this incredibly dense point created matter and propelled it outward to form the galaxies that make up our vast universe.
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The fact that babies gain control over gross arm movements much sooner than they gain fine muscle control over their fingers exemplifies ________ development.
Answer:
Proximodistal
Explanation:
Joe mama
Which of the following best describes how mitosis is related to cellular
reproduction?
10 points
Mitosis is a phase in asexual reproduction that results in the formation of similar, but
not identical, nuclei in the daughter cells.
Mitosis is a phase in asexual reproduction that results in the formation of identical
nuclei in the daughter cells.
Mitosis is a phase in sexual reproduction that results in the formation of similar, but
not identical, nuclei in the daughter cells.
Mitosis is a phase in sexual reproduction that results in the formation of identical
nuclei in the daughter cells.
Mitosis and Meiosis are forms of reproduction that cause new cells to result from existing cells. The option that best describes how mitosis is related to cellular reproduction is;
Mitosis is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells.Mitosis is a reproductive process that takes place in single-celled (unicellular) organisms. It results in the formation of two somatic cells from the mother cell.
Since no sex is required for mitosis to take place, it is referred to as asexual reproduction. Mitosis can also take place in the somatic cells of multicellular organisms.
So, the basic description of mitosis is that it is a phase in asexual reproduction that results in the formation of identical nuclei in the daughter cells.
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Answer: d
Explanation:
The sequences of nucleotides in DNA encode the ______ of a cell, such that scientists can add new sequences, find existing sequences, or identify changes in sequences that affect the functioning of a cell or organism.
The sequences of nucleotides in DNA encode the oxygen of a cell, such that scientists can add new sequences, find existing sequences, or identify changes in sequences that affect the functioning of a cell or organism.
Deoxyribonucleotides is the basic unit of a deoxyribonucleic acid (DNA).
Basically, deoxyribonucleic acid (DNA) comprises a nitrogenous base and phosphate group that are commonly known as deoxyribose sugar.
A nucleotide can be defined as a subunit of deoxyribonucleic acid (DNA) or ribonucleic acid (RNA) that typically consists of a nitrogenous base.
Hence, the nitrogenous base or nucleotide composition of a deoxyribonucleic acid (DNA) includes the following:
Adenine (A). Guanine (G). Cytosine (C). Thymine (T).When oxygen is encoded by the sequences of nucleotides in DNA, the following can be achieved by scientists:
I. Add new sequences.
II. Find existing sequences.
III. Identify changes in sequences.
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The sequences of nucleotides in DNA encode the oxygen of a cell, such that
scientists can add new sequences, find existing sequences, or identify
changes in sequences that affect the functioning of a cell or organism.
Oxygen radicals are known to denature the DNA found in the cells and
tissues of the body and produce new substances.
Scientists however encode the oxygen so as to enable their various
experimental work in producing new sequences possible and prevent the
denaturing of DNA.
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What is one benefit and one drawback of mapping hotspots?
Answer:
Setback: Less protection for organisms outside the hotspot.
1) The reaction is at dynamic equilibrium.
N2 + 3H2 ⇌ 2NH3
Which statement is correct?
a) Nitrogen and hydrogen combine at the same rate that ammonia breaks down.
b) The solution has the same concentrations of nitrogen gas and ammonia.
c) Both directions of the reaction have stopped.
d) The solution has the same concentrations of nitrogen and hydrogen gases.
2) Sodium chloride and calcium carbonate combine to form sodium carbonate and calcium chloride in the reversible reaction.
2NaCl + CaCO3 ⇌ Na2CO3 + CaCl2
Which statement about the reaction is necessarily correct?
a) The reaction will continue until the sodium chloride is used up.
b) The rate at which calcium chloride is equal to the rate at which sodium chloride is produced.
c) Both calcium carbonate and sodium carbonate are being produced.
d) The reaction is moving only from left to right.
3) In a chemical reaction, the forward rate is greater than the reverse rate. Which statement about the reaction is correct?
a) The reaction is reversible.
b)The reaction is at dynamic equilibrium.
c)The reaction will continue until the reactant is used up.
d)The concentrations of the reactant and the product are equal.
4) What is the fastest motion that can be measured in any frame of reference?
a)300,000 m/s
b)300,000 km/s
c)186,000 m/s
d)186,000 km/s
5) Two people are on a train that is moving at 10 m/s north. They are walking 1 m/s south relative to the train. Relative to the ground, their motion is 9 m/s north.
Why are we able to use these motions to describe the motion relative to the ground?
a)As long as the frame of reference is stationary, all motion can be described in this way.
b)If one object is moving much slower than the speed of light, its speed can be added to that of another object.
c)The motion of everything in the Universe besides light can be described in this way.
d)The people are moving much slower than the speed of light so the ground acts as a frame of reference.
Answer:
1) Nitrogen and hydrogen combine at the same rate ammonia breaks down.
2) Both calcium carbonate and sodium are being produced
3) The reaction is reversible
4) 300,000 km/s
5) The people are moving much slower than the speed of light so the ground acts as a frame of reference
Explanation:
The fastest motion is the speed of light measured as 300,000 km/s.
A reaction system is said to have attained dynamic equilibrium when the rate of forward reaction is the same as the rate of reverse reaction. Given the equation; N2 + 3H2 ⇌ 2NH3, the correct statement is that; "nitrogen and hydrogen combine at the same rate that ammonia breaks down.
We have the equation; 2NaCl + CaCO3 ⇌ Na2CO3 + CaCl2, the correct statement based on this equation is that; both calcium carbonate and sodium carbonate are being produced.
When the forward rate of a reaction is greater than the reverse rate, the reaction is reversible. The fastest motion is the speed of light measured as 300,000 km/s.
Given the relative motion of the two people, we are able to use these motions to describe the motion relative to the ground because he people are moving much slower than the speed of light so the ground acts as a frame of reference.
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What is the concentration of estradiol in the blood during the follicular phase of the menstrual cycle
The concentration of estradiol in the blood during the follicular phase of the menstrual cycle is 130 picograms per millimeter (130 pg/mL). Estradiol is a hormone involved in the regulation of the menstrual cycle.
Estradiol (also known as oestradiol) is the most important steroid fat-soluble sex hormone in females.
This hormone (estradiol) is associated with the control of the estrous and menstrual reproductive cycles in females. For example, it is involved in the maturation and further release of the egg.
The main function of the estradiol hormone in females is to mature and subsequently maintain organs and structures of the female reproductive system.
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Which of the following would most likely utilize a particulate control device?
Answer:
D all of the above
Explanation:
Took the test
Using the science behind macro-nutrients, why marathon runners are so skinny?
If took 3.5 hours for a train to travel the distance between two cities at a velocity of 120km/h. How far did the train travel between the two cities?
True or False: The midbrain is responsible for visual and auditory reflexes, posture, and movement.
Answer:
True
Explanation:
Scientists suspect that Mars once had abundant liquid water on its surface. For this to have been true, early Mars must have had __________ than Mars today. Group of answer choices
Higher atmospheric pressure and stronger greenhouse effect leads to the presence of water on the surface of Mars planet.
Mars must have had higher atmospheric pressure as well as stronger greenhouse effect than Mars today which is responsible for the presence of water in liquid form on its surface but when the disturbance or change occurs in the atmospheric pressure as well as greenhouse effect of the Mars planet.
The water that was present on the surface vaporized and removed from the planet so we can conclude that higher atmospheric pressure and stronger greenhouse effect leads to the presence of water on the surface of Mars planet.
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