Pressure = Force / Surface Area.
500/10 = 50. The units is N/m²
=50 N/m²
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When a species consisting of a single large population slowly evolves over many generations into a new species, this an example of:.
True or False: In plants, xylem cells, root hair cells, and phloem cells are unspecialized cells.
Answer:
true
Explanation:
In plants, xylem cells, root hair cells, and phloem cells are unspecialized cells. The statement is true.
what are roles of xylem and phloem ?Plants have different tissues to transport water, nutrients and minerals. Xylem involve in the transportation of water and mineral salts from the roots up to different parts of the plant, where as phloem transports sucrose and amino acids.
Xylem is composed of elongated dead cells, continuous vessels (tubes), xylem vessel contain no cytoplasm, impermeable to water, contain woody material called lignin.
Phloem composed of living cells, cytoplasm, transports sucrose and amino acids up and down the plant by a process called translocation.
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Since the cell membrane allows some molecules to pass through it and will not allow others, it can be described as.
Describe the types of frameshift mutations. Will these cause changes in the amino acids
Explain.
Mendel was a careful researcher who studied the inheritance of certain traits in garden peas. What are some of the research practices Mendel used?
Choose all that apply.
A. He crossed true-breeding pea plants.
B. He allowed eggs to be fertilized only by self-pollination.
0
C. He analyzed his data mathematically.
D. He controlled variables by studying one or two traits at a time.
Answer:
the answer is b I got it right on my test B
Cancer (uncontrolled mitosis) is caused by mutations in:
a. Proteins b. Nucleic Acids c. Lipids
d. Carbohydrates
Cancer (uncontrolled mitosis) is caused by mutations in nucleic acids.
What is Mutation?This is defined as a change in a DNA sequence which is often caused by the following:
Mistakes from DNA copying Ionizing radiationChemicalsDNA is an example of a nucleic acid which is why the option B is the most appropriate choice.
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An mRNA sequence was changed from
CGU UUU AAA to CGU UUA AA. What type
of mutation occurred? Select all that
apply.
deletion
Indel
Point mutation
Frameshift
Insertion
Nonsense mutation
Answer:
deletion, indel, frameshift
Explanation:
What is the temperature scale
Please do not copy in Goôgle
Answer:
These are not necessary and are used for taste and convenience. This scale was historically born when there was no standard for calibrating thermometers. The Fahrenheit scale used the temperature of the coldest known at the time to zero.
Explanation:
Hope it helps you<3Imagine that this is the process begins with a single parent cell in the first generation if all cells underfo mitosis every 3 minutes what is the total number of identical cells that will exist 3 minutes after the second generation is produced?
Answer:
4
Explanation:
not that hard
It's Mitosis .
We know that in mitosis the daughter cells are diploids of their mother cells.Total identical cells=2.
Additional info:-
In meiosis the daughter cells are haploids .Cyanide binds with at least one molecule involved in producing atp. If a cell is exposed to cyanide, most of the cyanide will be found within the _____.
Which organelles appear ONLY in plant cells? Explain. (Question 2)
Recently Zika virus has been in the news, with many cases in Central and South America and increasing numbers of cases in the southern United States. Five years ago this virus was essentially unheard of in these areas. This is an example of
This is an example of an emerging infectious disease. These diseases can spread rapidly to generate pandemics.
What is Emerging Infectious Disease?An Emerging Infectious Disease can be defined as a disease capable of spreading by using a suitable vector (carrier).
Emerging Infectious Diseases may have the potential to generate pandemic situations.
Some examples of Emerging Infectious Diseases include human immunodeficiency virus (HIV) infection and SARS.
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What type of whale has the fastest cruising speed at 23 mph?.
What is the most common tree in the united states?.
Answer: RED MAPLE
Explanation: These 10 species account for 45% of all volume. Red maple, in the North, is the most common tree found in U.S. forests followed closely by Loblolly pine, the most commonly planted tree, in the South.
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Hello Mates !
Please Define Balance diet in a proper way .
Thanks in advance.
No Spam please !
A diet that contains differing kinds of foods in certain quantities and proportions.
Benefits of a balanced diet :—A healthy diet can protect the human body against certain types of diseases.Healthy diets can also contribute to adequate body weight.Better mood and energy levels.Improved memory and brain health.This is defined as the diet which contains all the classes of food in the right proportions. The classes of food include the following:
CarbohydrateProteinVitamins and MineralsFatsWhen they are eaten in the right proportion, they ensure good health of the individuals as they provide adequate nutrients for body functions.
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What molecules are needed for cellular respiration to happen?.
If one dna strand reads ccgtaatgcat, what will be the sequence of the complementary strand?.
explain how matter such as water, oxygen, and carbon dioxide cycles in an ecosystem?
help!
Answer:
Plants take in energy from the sun, carbon dioxide and water and produce carbohydrates and oxygen.
Explanation:
Will make brainliest
It’s question 42
A specific enzyme which is restriction enzyme that breaks insulin gene.
Transporter proteins bind their solutes in a hydrophilic pocket and then undergo a(n) change that switches the exposure of the pocket from one side of the membrane to the other.
Answer:
You can answer any of these options and you are going to get it right: conformational, structural, morphological, topological, conformation, structure, shape, or conformational shape.
Explanation:
The enzymes that are used to replicate a virus are synthesized by
the virus capsid.
the virus capsule.
the receptor.
prions.
the host cell.
Answer:
i believe its option D. The host cell.
Hope this answered your question!
Which of the following is least necessary for plate tectonics?
O A solid core inside the planet
O A semi-solid mantle
Convection currents in the mantle
O A crust divided into plates
Answer:
Convection currents in the mantle
Explanation:
Convection in the mantle is the same as convection in a pot of water on a stove. Convection currents within Earth's mantle form as material near the core heats up. As the core heats the bottom layer of mantle material, particles move more rapidly, decreasing its density and causing it to rise.
Effects
Convection also plays a role in the movement of deep ocean waters and contributes to oceanic currents. Inside Earth, the convection of mantle material is thought to cause the movement of the overriding crustal plates, resulting in events such as earthquakes and volcanic eruptions.
Speed
Estimates of the speed with which Earth's mantle moves range from 1 to 20 cm/year with an average of about 5 cm/year in the case of plate motions to as much as 50 cm/year in hotspots such as the Hawaiian Islands (see Plates, Plumes, And Paradigms (2005) edited by Gillian R.
Direction
Convection currents observed in water rise to the surface and then spread out in both direction. Convection currents in the mantle are thought to operate in the same matter as convection currents in water. ... This shows that the convections currents move outward both right and left after the current reaches the surface.
Heat source
The primary sources of thermal energy for mantle convection are three: (1) internal heating due to the decay of the radioactive isotopes of uranium, thorium, and potassium; (2) the long-term secular cooling of the earth; and (3) heat from the core.
Answer:
A solid core inside the planet.
Explanation:
Is this right, please help. I’ll mark as brainliest
Answer:
yes
Explanation:
believe what you believe,so soon will be reached your believes...
The ______ delivers oxygen-rich blood to the thick heart wall while the ______ carries the deoxygenated blood away from the heart wall.
Answer:
The first blank is coronary arteries. The second blank is coronary veins
Explanation:
Pick the statement that is correct regarding fermentation. (1 point)
a. Lactic acid fermentation is performed by animals and produces ethanol and carbon dioxide.
b. Lactic acid fermentation is performed by animals and produces ethanol and carbon dioxide.
c. Alcoholic fermentation is performed by animals and produces ethanol and carbon dioxide.
d. Alcoholic fermentation is performed by yeast and produces ethanol and carbon dioxide
Lactic acid fermentation is performed by animals and bacteria, and produces lactic acid and NAD+. It is an anaerobic process.
What is fermentation?Fermentation is an anaerobic process by which animals and bacteria can produce energy in the form of ATP in absence of oxygen.
Fermentation is less efficient in terms of the generation of ATP when compared to cellular respiration.
Alcoholic fermentation is well known to generate ethanol, carbon dioxide (CO2), and NAD+, whereas lactic acid fermentation generates lactic acid and NAD+.
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Answer:
The correct answer is Alcoholic fermentation is performed by yeast and produces ethanol and carbon dioxide.
Explanation:
yw :)
I need help
1.)how are shellfish different from finfish?
2.)why is it important to know the difference between shellfish and finfish?
suppose a cell undergoes mitosis and cytokinesis every 12 hours. In two weeks, how many copies of a single cell would be produced.
A cell that undergoes mitosis and cytokinesis every 12 hours would produce 2^28 = 268,435,456 cell copies in two weeks. Mitosis is a cell division.
What is mitosis?Mitosis is a type of cell division by which a somatic cell can produce two identical copies.
Mitosis occurs in somatic (body) cells of multicellular organisms, whereas meiosis occurs in germinal cells.
The cell cycle can be divided into an interphase and a mitotic (M) phase, in this case: the cell cycle is equal to 12 hours >> 2 cycles per day >> 28 cycles in 14 days >> 2^28 = 268,435,456 cell copies.
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What cell is this????????????
Answer:
c: Nerve cell
E: Red blood cells
a carnival bumper car with a mass of 300 kg accelerates at 0.3 m/s^2 towards a wall. What is the force on the car before the impact ?
Answer:
90N
From the above question, we are given the mass , acceleration and required to find the force
from Newton's law we know that
F= ma
Blood that has clotting proteins removed is termed.
Answer:
serum ....
Explanation:
Answer:
Blood that has clotting proteins removed is called serum