where is Ground tissue is found in plants
Describe how catalase activity changes as pH decreases
Answer:
the enzyme becomes denaturated and loses its structure
Explanation:
Use the mitosis and meiosis interactive to help you identify the images as a cell in metaphase of mitosis, meiosis I, or meiosis II. All cells come from an organism that has a diploid (2n) chromosome number of eight.
In this case, the images are not found here but a cell in meiosis has undergone a reduction in the genetic material.
What is meiosis?Meiosis is a reductional type of cell division where chromosome number is reduced to half (haploid number n: 4).
In this case, meiosis will produce four cells having 4 chromosomes each (2n: 8 chromosomes in mitosis).
In conclusion, the images are not found here but a cell in meiosis has undergone a reduction in the genetic material.
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Given what you've learned about scientific hypotheses, theories, and laws, do you think a scientific theory can become.
scientific law? Explain your reasoning.
Answer:
No. A law is something that happens without fail every time when being tested, or when it happens in nature. A law does not attempt to explain why the thing occurs, it only states it. A scientific theory is not something that can be tested on and will receive the exact same outcome each time. A theory attempts to explain an action seen in nature. Theories can be subject to change if new scientific data and research comes out, whereas laws cannot.
Name the structure that increases the surface area of the small intestine in humans.
The name of the structure that increases the surface area of the small intestine in humans is Villi.
What are the functions of the small intestine?The small intestine performs a key role in the digestion of undigested food which comes through the stomach. It also absorbs all the essential minerals and nutrients from the food and is used by the body.
Villi or microvilli is the structure that increases the surface area of the small intestine for food absorption and adding digestive secretions.
Therefore, the name of the structure that increases the surface area of the small intestine in humans is Villi.
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The following statements about the light reactions of photosynthesis are all true except: Question 3 options: Chlorophyll (and other pigments) absorb light energy, which excites electrons. Electrons are transferred from water to NADP . RUBP carboxylase catalyses absorbtion of photons. ATP is generated by photophosphorylation. The splitting of water molecules provides a source of electrons.
The wrong statement is : ( C ) RUBP carboxylase catalyses absorption of photons
Light reaction of photosynthesisThe light reaction of photosynthesis is a stage in photosynthesis which is light dependent.
During the light reactions of photosynthesis, the green plant chlorophyll absorbs light energy, and the absorbed energy makes the electrons to get excited ,also electorns are transferred from water to NADP⁺ also ATP is generated by photophosphorylation.
But the RUBP carboxylase catalyses absorption of photons does not occur in the light reaction of photosynthesis.
Hence we can conclude that the wrong statement is : ( C ) RUBP carboxylase catalyses absorption of photons
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Edward Jenner's smallpox inoculation experiment was based on his observation that some dairymaids who worked
with cows had suffered lesions on their hands, but that these dairymaids were immune to the more severe smallpox.
Which best explains why the dairymaids were immune to smallpox?
They did not interact with many people so they were not exposed to the pathogen.
They frequently washed their hands so they were able to wash away the pathogen.
They were exposed to cowpox, and the substance their body produced to fight cowpox also attacked smallpox.
O They breathed the air around the cows that carried an antipathogen in it that destroyed the pathogen.
From anecdotes he heard, Edward Jenner came up with the premise and conclusion that dairy maids could not get small pox because they had previously been exposed to the virus.
What was conclusion of Edward jenner in case of small pox?He also came to the conclusion that small pox may be passed from one person to the next. Edward Jenner came to this conclusion based on stories he had heard about dairy maids being immune to smallpox.
In 1736, Edward Jenner met Sarah Nelms, a young dairy girl with small pox lesions. Edward Jenner then vaccinated an 8-year-old kid named James Phipps with material from Nelms' small pox lesion. James Phipps suffered a fever and became unwell, but he recovered completely after ten days.
Jenner infected the same boy with materials from a fresh small pox lesion a month later. There was no sickness in the boy.
When Edward Jenner was inoculated/vaccinated with matter from a small pox lesion, he came to the conclusion that he could acquire total protection from small pox.
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Answer:
He asked what would happen if he inoculated a person with cowpox fluid and then later with smallpox fluid.
Explanation:
If a DNA molecule is “unzipped” and one strand has the code T-A-A-G-G-C, what is the code of the other strand?
what specialized structures does crayfish have that make it well suited to its environment
Answer:
Specialized mandibles. Simplistic crustacean larva that is more developed once leaving the egg. Two main body segments: the cephalothorax and the abdomen. One large carapace.
Explanation:
hope it will help you
(a hundred points what more do u want bro)
Puppies increase in size as their cells grow and divide. Almost all cells complete a full cell cycle that includes interphase and cell division. In interphase, cells serve their specialized functions, grow, and copy their genetic material. Mitosis is the first stage of cell division, in which the copied chromosomes are separated into two new nuclei. Then in cytokinesis the cell divides into two daughter cells. If no mutations or errors occur, the genetic material in each daughter cell is identical to what was in the original cell.
Now that you have completed this lesson, you should be able to:
describe the stages of the cell cycle
use a model to illustrate the role of cellular division in the formation of new cells
describe the structure of a chromosome
follow chromosomes through the processes of mitosis and cytokinesis
If you do not feel comfortable with these topics, go back and review the lesson before attempting your assignment.
Now it is time to complete the assessment for this lesson. Contact your instructor if you have questions or need additional help.
Answer:
Ummmm... Indeed?..
Explanation:
FQ: What tissues make up the arteries, veins, and the capillaries of the human body?
something like tunica intima/ interna and tunica media
At conception, the genetic material of the mother's ovum and the genetic material of the father's sperm unite, creating a new cell called a(n)
Answer:
Zygote
Explanation:
The zygote is the diploid cell produced when then haploid gametes fuse during fertilization.
Which hormone does the sympathetic nervous system release to increase heart rate.
The sympathetic nervous system releases hormones known as catecholamines which increase the heart rate.
What is a heart rate?it is the number of contractions of the heart per minute.
What are catecholamines?These are the neurotransmitters that have a catechol and a side chain that is an amine.
Which catecholamines are released by the sympathetic nervous system?Epinephrine and norepinephrine are the catecholamines that are released by the sympathetic nervous system to increase the heart rate.
Where are these hormones released?These hormones are released in the blood.
How does this hormone increase the heart rate?"These hormones are released at the neuromuscular junction of the cardiac nerves.""They shorten the repolarization period."This speeds up the rate of depolarization and contraction and thus the heart rate is increased.To learn more about sympathetic nervous system, hormones and heart rate here,
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Match each form of energy with its description.
kinetic energy
thermal energy
gravitational potential energy
radiant energy
electrical energy
lightning produced during a storm
a piece of fruit hanging from a tree
radio waves transmitted from a tower
sand on the beach feels warm
to the touch
a box moving along a conveyor belt
Answer:
KINETIC ENERGY: A BOX MOVING ALONG.......
ELECTRICAL....: LIGHTNING PRODUCED ....
GRAVITATIONAL..... A PIECE OF FRUIT HANGING.....
RADIANT.... RADIO WAVES TRANSMITTED....
THERMAL... SAND ON BEACH FEELS....
The ______ is a bony structure which has _______________ running through the center.
Answer:
Central canal
Explanation:
running through the osteon
central canal or haversian canal,contains blood vessels,nerves and lymphatic vessels.
Please answer quickly
Answer:
part 1 the answer is c
part2 the answer is B
Please explain why the wind curves as it moves from high pressure to low pressure and if it causes
any larger wind patterns. Please answer in 3 to 5 sentences using good grammar
Answer:
Circulating air is diverted due to the Earth's rotation. Instead of flowing in a straight line, air in the Northern Hemisphere deflects to the right, whereas in the Southern Hemisphere it deflects to the left, resulting in curved trajectories. The Coriolis effect is the name for this deflection.
Explanation:
A new island formed by volcanic action may eventually become populated with biotic communities. describe the type of ecological succession mentioned here.
The type of ecological succession being described in the illustration is primary succession.
What is primary succession?It is a form of succession that occurs when an area that has never been occupied by any living organism becomes exposed and eventually gets colonized by living organisms.
It is quite different from secondary succession which happens when an area that has been housing biotic communities before gets disrupted by a major disturbance.
A new island formed by volcanic action has never housed any biotic community before. Thus, only primary succession can occur there.
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Which organisms would be classified as consumers in this web?
A. hawks, rabbits, grasses
B. grasses, grasshoppers, birds
C. birds, flowers, mice
D. grasshoppers, snakes, hawks
(it’s science)
Palliative radiation treatment may: Group of answer choices remove the tumor. divide the tumor. shrink the tumor. enlarge the tumor.
Explanation:
Radiotherapy to relieve symptoms is also known as palliative radiotherapy. Palliative radiotherapy aims to shrink cancer, slow down its growth or control symptoms. It doesn't aim to cure cancer.
Which of the following is a venereal disease?
A.) HIV
B.) Herpes
C.) Syphillis
D.) HPV
PLEASE CHOOSE THE CORRECT ANSWER, TY.
Answer:
they all are
Explanation:
Venereal diseases STDs. They can be given through close contact or an exchange of bodily fluid.
The chemical energy of coal and gas is being used up and cannot be renewed.
TRUE OR FALSE
Answer:
True
Explanation:
Coal and gas are examples of non-renewable resources. Renewable resources are sources of energy that can be replenished to replace the portion of the resource that was already used. Examples of renewable resources include wind energy, solar energy, wood, hydropower, etc. There are finite coal and gas on Earth, so they are not renewable.
Hope this helps!! If you have any questions about what I said please let me know down in the comments!
During the process of translation what happens immediately after the ribosomal subunits bind to the mrna strand
The human body depends on food to build and maintain.
______ science investigates the interactions among the atmosphere, hydrosphere, biosphere, and geosphere.
_________ is a filamentous, gliding, thermophilic bacterium that often is isolated from neutral to alkaline hot springs, where it grows in the form of orange-reddish mats, usually in association with cyanobacteria
Answer:
chloroflexus
Explanation:
Genus Chloroflexusis a filamentous, gliding, a thermophilic bacterium that often is isolated from neutral to alkaline hot springs, where it grows in the form of orange-reddish mats, usually in association with cyanobacteria.
What is Chloroflexusis?Chloroflexus aurantiacus is a facultative aerobic bacterium. It is of orange-reddish color. They can withstand (73–60 °C). They are phototrophic bacteria.
Thermophilic organisms are those which can withstand high temperatures in areas. These are mostly bacteria and fungi. They are considered the oldest organisms on the earth.
Thus, Genus Chloroflexus is a thermophilic, filamentous, gliding bacterium that is frequently isolated from hot springs that range in pH from neutral to alkaline. It typically coexists with cyanobacteria to produce orange-reddish mats.
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Which of the following is a good way to analyze data?
A. Check over it and then copy it.
B. Try to find some way to make it support your hypothesis.
C. Organize it into charts, graphs, do calculation if necessary.
D. Put it away for a few months to see if it makes more since later.
Mining has only short-term effects on the Earth.
Please select the best answer from the choices provided
OT
OF
Mining having only short-term effects on the Earth is False.
What is Mining?This is defined as the extraction of different types of mineral in the form of ore etc from the earth.
This damages the soil structure and have long term effects such as the area being prone to erosion etc.
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Many living organisms are adapted to specific temperatures. This is an example of which characteristic of life?
*
a. use of energy
b. reproductive ability
c. growth and development
d. maintaining homeostasis
Answer:
d
Explanation:
The adaptation by which organisms adapt to specific temperature is called homeostasis, which helps an organism to maintain a stable equilibrium towards natural factors.
Answer:
Is 'D' number
hope it help u
The process whereby cells begin to specialize, at about the eight-cell stage, is called: Please choose the correct answer from the following choices, and then select the submit answer button.
The process by which cells begin to specialize, at approximately the eight-cell stage, is called morula.
What happens in the morula stage?At this point, the embryo as a whole maintains the same size, that is, the newly formed daughter cells are smaller than the cell of origin. In the morula stage, the embryo differentiates into two cell groups located in the outer layer and the intern embryo.
Morula is the name given to the fourth stage of cell segmentation after fertilization of the egg.
With this information, we can conclude that the process by which cells begin to specialize, at approximately the eight-cell stage, is called morula.
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