Answer:
The leak channels allow Na+ and K+ to move across the cell membrane down their gradients (from a high concentration toward a lower concentration). With the combined ion pumping and leakage of ions, the cell can maintain a stable resting membrane potential.
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Explanation:
How does an iron nail change after being exposed to the oxygen in the air over a long time? Question 24 options: It burns It decays It molts It rusts
Answer:
It rusts
Explanation:
Iron is a chemical element that has the ability to RUST when exposed to air and water. Rusting is actually a prolonged chemical process or change that results when iron reactively combines with water and oxygen in the atmosphere to from hydrated (III) oxide in a process called OXIDATION. This compound is behind the color change of the metal.
According to this question, a nail made of iron will change after being exposed to the oxygen in the air over a long time by RUSTING via the oxidative reaction of the iron constituent of that nail with oxygen.
What are three things that affect an enzymes activity
Answer:
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Answer:
Factor 1: Concentration of Enzyme
Factor 2: Concentration of Substrate
Factor 3: Effect of Temperature
ASMP Help please with this
Answer:
nty im good
Explanation:
6. Name the two hormones that the thyroid gland produces once it is stimulated by
TSH
Two hormones produced by thyroid gland are triiodothyronine and thyroxine.
Which of the following is the correcto definitivo of eléctricas energy?
Answer:
Electrical energy is energy derived from electric potential energy or kinetic energy. ... Thus, all electrical energy is potential energy before it is delivered to the end-use. Once converted from potential energy, electrical energy can always be called another type of energy (heat, light, motion, etc.).
What information is carried to a sensitive spectrophotometer by the light waves coming thru a stained glass window?
Answer:
The chemical makeup of the glass (the element and types of bonds)
Explanation:
Which is one factor that contributes to the formation of polar, temperate, and tropical zones?
the angle of the Sun's rays
the direction of seasonal winds
the presence of prevailing winds
the movement of wind near a mountain
The one factor that contributes to the formation of polar, temperate, and tropical zones is the angle of the Sun's rays. Thus, option "A" is correct.
What is the climatic condition of tropical zones?The climate on Earth can be divided into three major zones, tropical, temperate, and polar.
The tropical ones are at the Equator and near to it, the temperate ones are at the mid-latitudes, and the polar ones are at the higher latitudes.
This is a result of numerous factors, such as the shape of our planet, as the sunlight falls at different angles at different parts of it, so some parts get much more heat, while some much less.
Thus, option "A" is correct.
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One factor that contributes to the formation of polar, temperate, and tropical zones is the angle of the Sun's rays. The angle of the Sun's rays determines the amount of solar energy that reaches a particular region.
What is the cause of formation of polar?This is due to the Sun's rays, which are more oblique in the northern regions and more direct in the tropics. The length of the day in a specific location is also influenced by the Sun's rays' angle. The duration of the day is longer in the tropics than in the polar regions, and this directly affects the local temperature.
The Sun's rays are directed more directly and at higher angles, which results in higher temperatures. Predominant winds also aid in the development of the arctic, temperate, and tropical zones. Predominant winds move warm air from the equator to the poles and vice versa, which has an impact on a region's temperature.
The temperature of an area is also influenced by the direction of the predominant winds. For instance, temperatures in the area will be lower if the predominant winds are from the east than if they are from the west. Predominant winds have an impact on the amount of moisture in the air, which can change a region's climate.
Polar, temperate, and tropical zones can also occur as a result of wind movement close to mountains. This is so that the mountain and the surroundings won't be separated by the wind.
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Why is it important to know the difference between science and pseudoscience? to look intelligent to make informed decisions to score well on tests to tell believable stories
Answer:
The difference between science and pseudoscience is that science organizes knowledge in testable explanations and predictions about the universe while a pseudoscience is a claim or a belief which is carried out as scientific but has no valid.
Explanation:
It is important to know the difference between science and pseudoscience because it helps in telling believable stories to people who do not have this sense of understanding and still have myths in their mindsets. Thus, the correct option is D.
What is Pseudoscience?Pseudoscience may be defined as the collection of claims and assertions that are presented as science but that lack valid facts or conclusions based on scientific methods.
If you know the exact differences between both terms, then only you should communicate with others and spread the knowledge in place of ancient concept and mythology.
Therefore, the correct option for this question is D.
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Which hazard is generally not associated with a
volcanic eruption? *
A.Lava flow
B. Lahar
C. Ash
D. Sinkhole
Answer: D D D D D D D D D
Explanation:
What comes first in the process of cell division?
A. Chromatids line up in the center of the cell
B. Chromatids are pulled apart
C. Chromatids are duplicated
D. Cell splits in two
Answer:
C) Chromatids are duplicated
Explanation:
A is during Metaphase
B is during Anaphase
C is during S Phase (The pre-phase is you will)
D is during Telophase
A man has hemophilia, but his parents do not. Using H for normal and h for hemophilia, give the genotype of his father, mother, and himself in that order.
Answer: refer to the attached image for the genotypes.
Explanation:
Hemophilia is a blood clotting condition in an X-linked recessive pattern that is inherited from parents by offspring. In order to be expressed in a female, the mutation must have both X chromosomes. In males, only the one X chromosome that he has to transmit needs to be present.
When is creatine phosphate being metabolized within cellular respiration?
Answer:
Creatine phosphate, a high‐energy molecule stored in muscle cells, transfers ... ATP is then generated from glucose by cellular respiration.Explain the process involved in muscle metabolism during aerobic exercise ... Pyruvate is continually processed into lactic acid.
The gravitational pull of the moon is much less than the gravitational pull of earth
with two statements are true for an object with the mass of 20 kilograms the weigh 44 pounds on earth?
A. The objects mass would be the same o the moon.
B. The objects mass would be less on the moon.
C. The objects weight would be the same on the moon.
D. The objects weight would be less on the moon.
Answer:
The object's weight would be less on the moon.
The Object's mass would be the same on the moon
Write characterize progression of infectious disease.
Answer:
* Infectious disease management depends on precise portrayal of disease progression so transmission can be forestalled. Gradually progressing infectious diseases can be hard to characterize because of a latency period between the time an individual is infected and when they show clinical signs of disease.
* Defining directions through sickness states from infection to clinical illness can assist researchers with creating control programs dependent on focusing on individual infection state, possibly decreasing both progression and creating misfortunes because of the illness.
Explanation:
Gradually progressing infectious diseases are hard to characterize in light of the fact that they are frequently connected with an inactivity period between the time an individual is infected and when they give clinical indications or side effects of illness.
To successfully control infectious diseases, it is paramount to see how the disease progresses.
state 4 characteristics of gaseous exchange or respiratory surfaces
Answer:
. really big surface area.
.thin walls
.a lot of tiny blood vessels
.the transfer of oxygen from the outside air to the blood flowing through the lungs
Explanation:
All agents of weathering can be divided into which two main groups?
A.
physical and biological
B.
energy and matter
C.
mechanical and chemical
D.
wind and water
Answer:
C.
Explanation:
Mechanical and Chemical
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Two boys are holding onto the ends of a long piece of string, and they move it up and down to make a wave. They begin to move the string faster and faster. When they move the string, the energy (remains the same / increases / decreases) and the frequency (decreases / increases / remains the same).
Answer:
increases and then decreases
Explanation:
Which of the following best describes angiosperms?
They produce pollen grains and ovules in cones.
They reproduce through spores instead of seeds.
They need to live in damp conditions where water is readily available.
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They produce seeds which are encased by an outer layer such as fruit.
Answer:
They produce seeds which are encased by an outer layer such as fruit.
contact lens solution is salty in order to match your tears
55) Cells require which of the following to form cilia or flagella?
A) centrosomes
B) ribosomes
C) actin
D) A and B only
E) A, B, and C
Answer:
A
Explanation:
Which of the following is an example of diffusion? a. rain falling from the sky. b. water freezing into ice. c. sugar dissolving in a glass of water. d. a stone sinking to the bottom of a lake.
Answer:
C is the answer
Explanation:
Answer:
c
Explanation:
it spreads out into the water
an experiment was conducted in which a purified protein from the body was exposed to a solution high in urea, and its tertiary structure was lost. when it was removed from the solution, the protein regained its original structure. which of the following describes what is occurring when the protein is exposed to the solution high in urea?
please help
What is the cell cycle?
1.process of duplication of genetic material
2.repeating process of DNAsynthesis
3.the time a cell spends actively dividing
4.repeating series of stages a dividing cell goes through
Answer:
A cell cycle is a series of events that takes place in a cell as it grows and divides.
HURRY HELP !!
TOPEX/Poseidon:
was a joint effort between the U.S. and France
tracked changes in the height of the sea level
helped meteorologists predict the path of La Niña
all of the above
Answer: All of the Above
Explanation:
TOPEX/ Poseidon was a joint effort between the USA's NASA and France's CNES from 1992 to 2006 that used satellite technology to study the changes in the ocean's topography and height.
It was hailed for its wide success as it was able to find data to explain various phenomenon that scientists had been trying to explain for a while including how to predict the path of La Nina.
Answer:
all of the above
Explanation:
I got it right on my lesson:)
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Johanna took her little brother to the playgrond because he likes to swing
Look at diagram that shows johanna pushing her brother on swing which statement is true about the transformation between kinetic and potential energy while the boy swings?
Answer:
the boy is in Kinetic energy
Explanation:
Because when he swings he isn't experiencing any forces towards him only the swing experiences potential energy
what is the chemical reaction of alcoholic fermentation
C6H12O6--->2C2H5OH+2CO2
glucose----(saccharomyces cerevisae)--->ethanol+carbon dioxide
A factor (allele) that covers up another factor is
A. dominant
B.recessive
C. obsessive
D.combinant
Answer:
dominant
Explanation:
a dominant allele will express over a recessive allele where a combinant allele would express along with another allele
what cell components are responsible for detoxifying the cell
RER
SER
ATP
DAF
(Anatomy and physiology)
Answer:
SER
Explanation:
Smooth Endoplasmic Reticulum
These are fat-based molecules that are important in energy storage, membrane structure, and communication (steroids can act as hormones). The smooth endoplasmic reticulum is also responsible for detoxifying the cell.
help meee only number 4
Answer:
Advantages of using ethanol as fuel
A. It is a carbon-neutral activity
C. It does not produce toxic gases when burnt
D. It can be mixed with conventional petrol to make gasohol
Disadvantages
B. It takes a lot of plant materials to produce the ethanol
Explanation:
It has been proven that blending ethanol with conventional petrol produces gasohol and this helps to reduce the harmful emissions of CO, hydrocarbons, etc. This then means that vehicles that run on ethanol produces fewer harmful emissions than those that run on gasoline. For ethanol, it produces a no net carbon dioxide emissions.
Ethanol is considered to be atmospheric carbon neutral when the combustion of ethanol is made from biomass (such as sugarcane and corn). Ethanol is made plant materials like grains and crops that possess high starch. Also, it can be made from sugar content such as sugar cane, sorghum, corn, barley and sugar beets.
Which two characteristics are shared by all thunderstorms, tornados, and huricanes?
O clouds and wind
O eyes and clouds
O warm, dry air and wind
O large waves and warm, dry air
The two characteristics that are shared by all thunderstorms, tornadoes, and hurricanes are: clouds and wind. The correct option is A.
What are the characteristics of thunderstorms, tornados, and hurricanes?Thunderstorms, tornadoes, and hurricanes are all types of severe weather conditions. They are called severe weather conditions because they can cause a lot of damage to property and people's lives. They are all characterized by strong winds and clouds.
Thunderstorms are storms that have thunder and lightning. They are caused by warm air that rises and cools, creating thunderstorm clouds. They are usually accompanied by heavy rain, gusty winds, and lightning.
Tornadoes, on the other hand, are funnel-shaped clouds that touch the ground. They are usually created by thunderstorms. They are characterized by strong, rotating winds that can cause a lot of damage to structures and vegetation.
Hurricanes are large, tropical cyclones that have low-pressure centers. They are usually formed over warm ocean waters and are accompanied by strong winds, heavy rain, and flooding. They can cause a lot of damage to coastal regions and people's lives.
Therefore, the correct option is A.
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