Differentiate between parenchyma collenchyma and sclerenchyma in tabular form
Answers
Explanation:
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Q23 Which of the following describes the correct relationship between heart sounds and blood pressure? A.Systolic blood pressure is associated with the first heart sound. B. Systolic blood pressure is associated with the second heart sound. C. Diastolic blood pressure is associated with the first heart sound. D. Diastolic blood pressure is associated with the second heart sound.
Answers
Answer:
diolostic blood preasure is associated with the second heart sound
Explanation:
Korotkoff sounds are the sounds heard by the health professional who measures the blood pressure with a blood pressure monitor and a stethoscope placed on the patient's brachial artery.
Korotkoff described five types of noise:
* The first sound is a snap corresponding to the systolic pressure. The noise is clear, repetitive on at least two consecutive systoles.
* The second sound is a soft whisper, more or less prolonged, audible between the systolic pressure and the diastolic pressure.
Define gray matter in the spinal cord. It is neural tissue that is dominated by the cell bodies of neurons, neuroglia, and unmyelinated axons, and surrounds the narrow central canal. It is neural tissue that contains large numbers of myelinated and unmyelinated axons. It contains the axons of motor neurons that extend into the periphery. It is neural tissue that contains the cell bodies of sensory neurons whose axons carry information to the spinal cord.
Answers
Answer:
It is neural tissue that is dominated by the cell bodies of neurons, neuroglia, and unmyelinated axons, and surrounds the narrow central canal.
Explanation:
Grey matter is a part of the central nervous system that is found on the surface of the brain.
It is a neural tissues that has alot of cell bodies of neurons, neuroglia and contain more unmyelinated axons and surronds the narrow central canal.it is distinguished from white matter because it has alot of cell bodies and unmyelinated axons and also it is not as white as white matter with greyish color.
Grey matter form spinal tracts which are the pathways where signals are sent from the brain to all part of the body.
A small number of birds arrive on an island from a neighboring larger island. This small population begins to adapt to the new food plants available on the island, and their beaks begin to change. About twice a year, one or two more birds from the neighboring island arrive. What effect do these new arrivals have
Answers
Answer:
The environmental variation
Explanation:
Environmental variation has a big role for their beaks to change in a size and shape , that means if the birds like the condition of the place specially birds like to eat cactus fruits that is the reason for their beak rapid change
advantages of cutting crops with sickle?
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Answer:
The advantages of cutting crops with a sickle is that it's very environmental friendly. Sickle doesn't produce harmful chemicals like nitrate and biogas that can cause pollution to the environment or to the crops. However, sickle cutting is a very tremendous work.
Explanation:
Explain the concept of growth using these terms: differentiate, meristem, elongation, and vascular cambium.
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Answer: Well for one, Differentiate is when a cell matures and is used in a specific function. Meristem is a cell which never differeates and constantly divides so it is a mitotic cell. Elongation is the plant growing length wise therefore the meristem elongates the plant. Vascular cambium is the cambium which starts out in vascular bundles of the plant and then grows to form a ring inside the stem of plants that live for more than year- it causes and increase in thickness of the stem and branches.
hope this helped luv :)
Answer:
Give the other person brainliest they deserve it
Explanation:
What's an electrochemical gradient?
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The electrochemical gradient is the charge of an ion that is unevenly distributed across a membrane. For example potassium.
Which of these make up the vascular tissue?
sclerenchyma
collenchyma
parenchyma
phloem
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Answer: phloem
Explanation:
Answer:
Phloem
Explanation:
Vascalar tissue consists of xylem and phloem.
Which label identifies the part of the ATP molecule that changes when energy is released in the cells of all living
things?
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Answer:
D
Explanation:
The label d is generated as a product due to the breaking down of Phosphate compound.
Answer: C
Explanation: I just took the quiz and got 100%....Hope this helps!
3) a) What are stomata (singular = stoma)?
b) Where on a plant are they located?
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Answer:
A stoma (singular for stomata) is surrounded by two types of specialized plant cells that differ from other plant epidermal cells. These cells are called guard cells and subsidiary cells.
The majority of stomata are located on the underside of plant leaves reducing their exposure to heat and air current.
Explanation:
Answer:
a stomata is a pore in the coat of the leaves and/or stems
a stomata is found on stems and/or leaves
An environmental scientist might study the effect of soil pollution on plant growth.
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As...Environmental scientist studies the interaction of the living components of the ecosystem with the non living components.
The contamination in the soil will affect the growth of plants, this will also be studied by the environmental scientist.
The Growth of the plant depend on the quality of soil in which it is grown so it will also be a concern for the environmental scientist.
Answer:
True
Explanation:
I just took the test on edge
Which three are formed due to compression?
a) syncline, normal fault, and strike-slip fault
b) anticline, syncline, and reverse fault
c) normal fault, anticline, and strike-slip fault
d) reverse fault, strike-slip fault, and syncline
Answers
Answer:
b) anticline, syncline, and reverse fault
Explanation:
Compression helps in squeezing rocks together and leads to folding and fracture in rocks.
Anticline, syncline, and reverse fault are geological structures formed due to compression.
A syncline is a geologic fold in which the younger layers appears closer to the center of the structure, Anticline have so many small compression that developed above thrust faults, and reverse fault is a geological structure in which one side appears taller than the other.
Hence, the correct answer is b.
Answer:
B
Explanation:
EDG 2020
D-Fructose is the sweetest monosaccharide. How does the Fischer projection of D-fructose differ from that of D-glucose? Match the words in the left column to the appropriate blanks in the sentences on the right.
1. ketone
2. carbon 3
3. carbon 2
4. carbon 1
5. an aldehyde
6. carbon 4
A. In D-glucose, there is______functional group, and the carbonyl group is at_____when looking at the Fischer projection.
B. In D-glucose, there is______functional group, and the carbonyl group is at______when looking at the Fischer projection.
Answers
Answer:
5
4
1
3
Explanation:
In D-glucose, there is an aldehyde functional group, and the carbonyl group is at carbon 1 when looking at the Fischer projection.
In D-Fructose, there is a ketone functional group, and the carbonyl group is at carbon 2 when looking at the Fischer projection.
Both of your questions say "glucose" so I gave you my answer to the best of my understanding which required me to change the second answer to FRUCTOSE.
Describe the difference between a chemical and an electrical gradient. What's an electrochemical gradient? Do you think an electrochemical gradient can have conflicting component gradients?
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Answer:
1) The difference between chemical gradient and electrical gradient is that chemical gradient refers to the change in concentration of an ion or molecule in a solution across a biological membrane while electrical gradient refers to the existence of an electrical potential difference that leads to the movement of charged ions towards or away from the electrical potential
2) Electrochemical gradient is the charge and ion concentration difference across a biological membrane
3) No because electrochemical gradient which consists of both an electrical and chemical gradient have a complementary effect in determining the level of the electrochemical gradient.
Explanation:
The electrochemical gradient is the gradient of the electrochemical potential and is usual for a positive and negative ion that can move across the membrane.
What is the electric gradient ?The gradient is made of two parts that are chemical which is different in solutes that can move across the membrane and have an electrical component that shows difference in changes across the membrane.
The electrostatic gradient is a potential used in an iron that can be used across the membrane. Due to unequal concertation of ions, they will move across the simple diffusion.
The electrochemical has potential in electroanalytical industries as batteries and fuels. The gradient has contrasting components as change across the membrane.
Find out more information about the electrical gradient.
brainly.com/question/15215190.
Tropical plant fossils have been found in cold Arctic islands where they cannot survive in the present-day climate of this area. According to Wegener's theory, how were these ancient tropical plants able to survive in Arctic islands?
O Plants were more adaptable in the past.
O The poles of Earth were warmer in the past.
O Arctic islands were closer to the equator in the past.
O Land movements warmed the landmasses in the past.
Answers
Answer:
Arctic islands were closer to the equator in the past.
Explanation:
This is due to Pangea, the state in which all landmasses were connected near the equator over 200 billion years ago.
Answer:
Arctic islands were closer to the equator in the past.
Explanation:
Took the test on edg
The mantle of the moon Select one: a. is composed of two layers. b. may have high levels of iron. c. contains the mineral olivine. d. all of the these.
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Answer:
a. is composed of two layers.
Explanation:
Hope it helps.
Any of a large group of diseases characterized by a condition in which the immune system produces antibodies against its own tissues, mistaking healthy cells, tissues, or organs for antigens is called a/an
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Explanation:
Autoimmune Disorders
What does natural selection cause
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Answer:
the mechanism that darwin proposed for evolution is natural selection . because resources are limited in natural organisms with heritable traits that favour survival and reproduction will tend to more offspring than their peers ,causing the traits to increase in frequency over generation .
Explanation:
hope it helps :)
A large asteroid impact occurs, kicking up dust that blocks the Sun and prevents plants from photosynthesizing. What would most likely happen as a result of the asteroid impact? More earthquakes would occur across the planet. Some plants would evolve to use dust as a source of food. Many plants would perform photosynthesis without sunlight. Many species would eventually die off because they lack a food source.
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Answer:
Many species would eventually die off because they lack a food source.
Explanation:
Photosynthesis can be defined simply as the biological process of using light to synthesize food (in the form of glucose). It is a process that takes place in plants and involves the synthesis of sugar using inorganic products such as water and carbon dioxide.
[tex]6CO_2 + 6H_20 + (energy) → C_6H_1_2O_6 + 6O_2[/tex]
The process consists of two stages namely;
Light reactionLight independent reaction.The products from the light reaction are utilized in the light-independent reaction.
Hence, without light energy, the process of photosynthesis cannot proceed and plants will not be able to manufacture foods. Without foods, many plant species would die off.
Answer:
I'm pretty sure it's D and not C.
Explanation:
Food (plant) sources would be reduced since the dust is blocking the sun and not allowing Plants to grow.
What is the technical term for self-feeder
Answers
Answer:
a machine that automatically provides a supply of some material. "the feeder discharged feed into a trough for the livestock" Synonyms: tributary, eater, confluent, feeder, bird feeder, affluent, birdfeeder.
Explanation:
Explanation: A autotroph is an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide. Therefore it can make its own food and feed itself.
A person with the genetic disorder Klinefelter's syndrome has an extra x-chromosome (genotype XXY). What can you predict is the most likely genetic mutation that results in Klinefelter's syndrome?
Answers
Answer:
The correct answer is non-disjunction at the time of meiosis.
Explanation:
A disorder, which takes place in males exhibiting an additional X-chromosome and is an outcome of an error in cell differentiation resulting in anomaly known as the Klinefelter's syndrome. Due to non-disjunction the egg or the sperm may acquire an additional X-chromosome. When these unusual cells take part in the genetic makeup of a person, then that individual most probably suffers from the condition termed as Klinefelter's syndrome.
In the majority of the circumstances, the division of the cells takes place generally during the development of the sperm, and at the same time, there may be certain errors at the time of egg development. Generally, the condition is mostly seen in the offspring of women that conceive after the age of 35.
Consider this animal cell.
The organelles in an animal cell are labeled. Part F is a network of hollow tubes, flattened sheets, and round sacs.
What is the function of the organelles that are labeled F?
to temporarily store water, waste products, food, and other cellular material
to produce proteins for the cell
to move proteins and other substances through the cell
to contain digestive enzymes that break down waste material and debris in the cell
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To move proteins and other substances through the cell.
Answer:
Part F is endoplasmic reticulum ( ER).
To move proteins and other substances through the cell.
Explanation:
a) Name the structures that: i) Carry water and mineral salts to the leaf ii) Prevents too much water loss from the upper surface of the leaf iii) Opens to allow gases to pass into and out of the leaf iv) Is the site for most of the photosynthesis taking place v) Is the layer where light is able to pass through directly b) How does a leaf protect itself from unwanted intruders like bacteria from getting in and stopping important reactants from going out? PLEASE ANSWERR
Answers
Answer:
a) i) Xylem
ii) Upper epidermis
iii) Stoma
iv) Chroloplast
v) Palisade cell layer
b) By a waxy layer on the cuticle of the leaf
Explanation:
The plant's leaves have a large surface area that is capable of absorbing sunlight. The plant's waxy layer in the surface of the leaf protects it from the loss of water, as well as of diseases caused by the entry of microorganisms. The palisade cell's surface is a single layer of cells underneath the upper epidermis that is adapted to absorb light energy.
The waxy layer is a primary physical barrier composed of insoluble polymers and lipids whose function is to protect the leaves against the entry of harmful organisms including virus, bacteria and fungus. Moreover, the plant's waxy cuticle is also a barrier that prevents the loss of water and solutes.
Answer:
luisvaschetto is right!!!!!!! i got a 100.
what is scientific advancement? describe characteristics
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Scientific or technological advancement is the generation of information or the discovery of knowledge that advances the understanding of scientific relations or technology. This definition encompasses the definition of scientific advancement, advancement of scientific knowledge and technological advancement. The only difference is that scientific advancement and advancement of scientific knowledge relate to science whereas technological advancement relates to technology.
In northern Canada, a population of rabbits was predominantly white in color. The allele for white color is recessive while the allele for gray color is dominant. Over the last several decades, the average annual temperature of this area has increased and the long-term deposits of ice and snow have become scarce. In this case, the frequency of a previously rare allele becomes more frequent in the population. This is an example of
Answers
Answer:
The options are
A) nonrandom selection.
B) disruptive selection.
C) directional selection.
D) stabilizing selection.
The answer is C)directional selection.
Explanation:
Directional selection is a type of natural selection and occurrence in population genetics. It involves a phenotype which is most extreme being chosen over forms of phenotypes. It occurs over a period of time when the allele frequency completely aligns in the pattern of the extreme phenotype.
This explains why the frequency of a previously rare allele becomes more frequent in the population after a certain period of time.
Cytochalasin D is a drug that prevents actin polymerization. A cell treated with cytochalasin D will be inhibited from doing all of the following EXCEPT:________.
a) extend pseudopodia
b) move vesicles within a cell
c) contract muscle fibers
d) divide in two
Answers
Cytochalasin D is a drug that prevents actin polymerization. A cell treated with cytochalasin D will be inhibited from doing all of the following except move vesicles within a cell. Hence option b is correct.
What is actin polymerization?Actin polymerization is defined as a monomers associate with and disassociate from the ends of actin filaments in this reversible process. Actin filament polymerization typically takes place over three phases: a steady state phase, an elongation phase, and a nucleation phase. Actin filament assembly involves the phases of nucleation, elongation, and steady state.
A cell-permeable fungus toxin called cytochalasin D attaches to the barbed end of actin filaments and prevents both subunit interaction and separation. About 20 known mold-derived substances collectively known as cytochalasins impact actin stress fibers and cause fast actin depolymerization.
Thus, cytochalasin D is a drug that prevents actin polymerization. A cell treated with cytochalasin D will be inhibited from doing all of the following except move vesicles within a cell. Hence option b is correct.
To learn more about actin polymerization, refer to the link below:
https://brainly.com/question/13530642
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Even a hard solid food also becomes smooth slurry in the digestive system by the enzymes released at a particular times. This mechanism is an amazing fact.prepare a cartoon on it.
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Answer:
ch blues dot d do it te stuff dd to
Answer:
Hi!! Please I can't prepare it in a cartoon form. You know this kind questions can't be answered in brainly. By the way:
Hope it helps!!Please mark me as the brainliest!!!Thanks!!!!
Why might the carrying capacity for humans in the United States change if Americans ate more plant products than animal products? Feeding higher on the food chain would make more energy available for humans to assimilate. Consuming plant products would provide less energy because they are generally less digestible than meat. Eating producers would make available about 10 times more energy than eating primary consumers. A diet made up of more plant and fewer animal products would decrease the amount of energy available in food sources.
Answers
Answer:
The correct option is:Food producers would make approximately 10 times more energy available than primary consumers.
Explanation:
Diets based on sugars, carbohydrates, fibers, proteins and vegetable fats (that is, with the increased consumption of fruits and vegetables) have much less complex structures than the protein in meat, so much more energy is obtained and easier and faster than vegetables.
A clear example is that carbohydrates have a digestion that lasts between half an hour and an hour, while meat takes at least an hour and a half to digest.
Meats are complex protein structures with primary, secondary and tertiary junctions that must be digested and corrupted with gastrointestinal enzymes, whereas the carbohydrate carbohydrates of fruits and vegetables already begin their digestion in the human mouth thanks to alpha amylase.
The faster the digestion, the faster the energy is assimilated in the form of glucose, and the energy currency that is ATP is greater in diets rich in carbohydrates like the one we are writing, based on fruits and vegetables.
Nitrogen-fixing bacteria in the roots of soybeans help provide a source of nitrogen to the plants, and in exchange, the bacteria obtain food from the plants. Which type of interaction is this
Answers
Answer:
symbiotic relationship
Explanation:
A symbiotic relationship is a relationship in which the members of the relationship get benefits from each other....... In roots of leguminuous plants , the bacterias are the only source for nitrogen by plants & in turn plants provide food to bacterias
Can someone please help its urgent
Answers
Answer:
a.
A - Canine...... for tearing meat.B - incisor.....for cutting food.C - molar...... for crushing food.D - premolar...... for crushing food.Explanation:
Hope it helps.
After Frida stops exercising, she continues to breathe heavily. What is most likely occurring in her body?
O Heavy breathing during exercise has produced an oxygen surplus in her muscles. This oxygen is being
Answers
Answer:
Strenuous exercise has caused her body to be in oxygen debt, and she is breathing hard while lactate is transported to the liver. This is a result of anaerobic respiration.
Explanation: