Answer:
Xylem is one of the two types of transport tissue in vascular plants, phloem being the other. The basic function of xylem is to transport water from roots to stems and leaves, but it also transports nutrients.
Explanation:
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Edwin wrote the following notes about static electricity. When an uncharged object is placed close to a charged object, the objects can attract or repel each other. When two electrically charged objects are placed next to one another, the objects can also attract or repel. What statement will correct the error in Edwin's notes?
A) An electrically charged object needs to touch an uncharged object before they attract or repel.
B) When an electrically charged object comes close to an uncharged object, it will attract it.
C) If an electrically charged object is near an uncharged object, it will repel it.
D) When two electrically charged objects are placed close together, they only attract.
Answer:
it's An uncharged object.
if its not charged the electrically wont go on it
Explanation:
The statement that will correct the error in Edwin's notes is as follows:
An electrically charged object needs to touch an uncharged object before they attract or repel.Thus, the correct option is A.
How do electrically charged objects produce attraction?The electrically charged objects produce attraction of oppositely charged objects. For example, if a positively charged object and a negatively charged object bring close to each other, they interact with one another. Their forces act in the same direction. i.e. from the positive to the negative charge.
There is an interaction between two oppositely charged objects required in order to furnish attraction, while there is an interaction between two identical charged objects required in order to furnish repulsion.
Whether it is attraction or repulsion, it must be required that an electrically charged object needs to touch an uncharged object.
Therefore, the correct option for this question is A.
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Which phrase describes a feature of igneous rocks that cool quickly during formation?
small crystals
coarse surfaces
O found beneath Earth's surface
O exposed after erosion occurs
Answer:
Small crystals
Explanation:
Answer:
The correct answer is: Small Crystals
Explanation:
I took the test on Edge 2020 and got 100%
PLS HELP GIVING BRAINLIEST !!!!!!
Answer:
Lever and wedge
Explanation:
You use a lever to add strength and the tip of the shovel is a wedge.
which is true about a buffer?
a. it increases the amount of H+ in an acidic solution.
b. it reduces the amount of H+ in an acidic solution.
c. it reduces the amount of H+ in an alkaline solution.
The statement that is true about a buffer is that it reduces the amount of H+ in an acidic solution (option B).
What is a buffer solution?Buffer is a solution that is used to stabilize the pH (excess acidity or alkalinity) of a liquid.
Buffers operate by neutralizing any added acid (H+ ions) or base (OH- ions) to maintain the moderate pH, making them a weaker acid or base.
Therefore, it can be said that the statement that is true about a buffer is that it reduces the amount of H+ in an acidic solution.
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describe the processes occurring in the following pictures
The process that is occurring in the given pictures are as follows:
picture 1 = Phagocytosis.
picture 2 = Facilitated diffusion
picture 3 = pinocytosis
pinocytosispicture 4 = osmosis.
What is osmosis?Osmosis is defined as the process by which molecules of water passes through a semi permeable membrane from the region of less solute concentration to a region a higher solute concentration.
Phagocytosis is the process by which phagocytic cells such as macrophages engulf or ingest foreign organisms in a way to digest and eliminate them.
Pinocytosis is defined as the process where by cell drink in particles into itself. This process is also called cell drinking
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What grows inside the bodies of coral that requires sunlight to survive?
A. seaweed
B. moss
C. kelp
D. algae
what is the relationship between exposing to a virus and developing immunity to it? cite evidence from the text to support your response
Answer:
Exposure to a virus is closely related to the development of immunity, since the immune system is responsible for creating antibodies in response to the presence of potentially harmful biological agents, such as these viruses.
Explanation:
Viruses are biological agents that can produce diseases when they enter the body of a living being. In response to contact with a virus, the immune system synthesizes specific antibodies to combat the foreign biological agent.
Antibody immunity can be of two types. It is fast when it is mediated by immunoglobulins M (IgM), which attack the virus anywhere, while the late and prolonged response is due to the development of immunoglobulins G (IgG).
An example of immunity to a virus occurs with the exhibition to the virus of the Dengue, that creates permanent immunity to the viral serotype to which an individual is exposed.
The acquired immunity, mediated by antibodies, is the base for the development of vaccines.
Antibiotic resistance can evolve in bacteria via the following mechanisms
Select one:
A. Transformation, conjugation, and transduction.
B. Transformation, reformation, and conjugation
1
O C. Reformation, fission, and conjugation.
O D. Transformation, fusion, and conjugation.
Three mechanisms of horizontal gene transfer that can lead to the evolution of antibiotic resistance in bacteria are transformation, conjugation, and transduction. Hence option A is correct.
What is transformation?Transformation is the process by which bacteria take up DNA from their surroundings and incorporate it into their genome.
Conjugation involves the transfer of DNA from one bacterium to another through a pilus, a thin tube-like structure.
Transduction occurs when bacteria acquire DNA from a virus that has infected them.
These mechanisms of horizontal gene transfer are significant because they allow bacteria to quickly adapt to new environments and acquire antibiotic resistance genes that can help them survive in the presence of antibiotics.
This can lead to the development of superbugs that are resistant to multiple antibiotics and can cause serious infections that are difficult to treat. It is important to use antibiotics judiciously and to develop new antibiotics and alternative treatments to combat antibiotic resistance.
Hence option A is correct.
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Biology enzymes! Help me somebody please.
Answer:
I think your on track with C.
Explanation:
So your doing pretty good with C, but don't comment on my answer next time to look at another & another for me to solve for you. Because;
1. It's annoying.
2. I can't carry you like a baby through every question of your test, it's cheating.
40 POINTS
The theory of plate tectonics states that the outer layer of Earth is divided into large, rigid blocks called plates. What could happen that may lead to a change in this theory?
A Scientists discover new information about Earth's layers.
B Scientists begin observing Earth's outer layer.
C Scientists update their opinion of the theory.
D Scientists revise the definition of theory so that it fits with what they believe.
The situation that may lead to a change in the theory of plate tectonics is the fact that scientists discover new information about Earth's layers (Option A).
What is a scientific theory?A scientific theory is a well-sustained body of empirical evidence to show the explanation of observations of the real world, which may change if new evidence emerges.
In conclusion, The situation that may lead to a change in the theory of plate tectonics which states that the outer layer of Earth is divided into large, rigid blocks called plates is the fact that scientists discover new information about Earth's layers (Option A).
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A physical model is often used to show the complex structures that exist in
many cells. Which sentence best describes a benefit of using a model of a
cell?
A. It highlights the various cell structures but not their functions.
B. It simulates the way a cell lives and grows.
C. It shows the structures exactly as they appear in all cells.
D. It shows details about a system too small to be easily studied.
A physical model is often used to show the complex structures that exist in many cells. The sentence that best describes a benefit of using a model of a cell is: (d) It shows details about a system too small to be easily studied.
A physical model is the inanimate representation of the living structures that can be seen and touched. It is used to describe the structural details. The model can be moving or still.
Cell is the most basic and smallest unit of life. It is the building block of all the organisms. A cell is covered on the outside by the plasma membrane and on the inside are present the cytoplasm, various cell organelles and other particles.
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Use the chart below to determine the amino acid sequence of the following strand of mRNA.
mRNA strand: AUGAAGGGCUGA
Amino Acids:
Answer:
Amino Acids: Met, Lys, Gly, Stop
:D
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22. True or False? A long chain of glucose molecules would be called a polysaccharide.
34. A parent cell with 24 chromosomes enters meiosis. Which type of cell is
produced when meiosis is completed?
А) a cell with 24 chromosomes, genetically identical to the parent cell
(В) a cell with 24 chromosomes, but not genetically identical to the parent cell
a cell with 12 chromosomes, and one chromosome is donated from each
homologous pair of the parent cell
0 a cell with 12 chromosomes, and 6 homologous pairs of chromosomes are donated
from each parent cell
Answer:
a cell with 12 chromosomes, and one chromosome is donated from each
homologous pair of the parent cell
Explanation:
Meiosis is one of the two types of cell division that involves sexual reproduction. Meiosis is the division that involves the production of four daughter cells (gametes) with each having its chromosomal number reduced by half. Meiosis is called "reduction division" because it reduces the chromosome number of the parent cell.
In this question, a parent cell with 24 chromosomes is said to enter meiosis. This means that after the meiotic division, daughter cells with 12 chromosomes will be produced in such a way that one of each homologous pair of chromosome (chromosomes from male and female parent) is donated to each gamete.
In a solution, solute substances naturally tend to move from areas of higher concentration to areas of lower
concentration.
What is the name of this process?
diffusion
passive transport
O equilibrium
osmosis
Answer:
The process is diffusion
Explanation:
Molecules or substances in solution move by various means. In osmosis, and passive diffusion, water or other substances move across a barrier or membrane.
In diffusion, molecules of a substance, like the solute (dissolved in a solvent) move from regions of high concentration down their concentration gradient, to a region of low concentration.
Answer:
can you explain your question better, thanks buddy ill answer you in the comments .
Explanation:
what are the range biodiversity ecosystem services
Answer:
Ecosystem services are the goods and services that biodiversity provides. They include soil formation, the provision of food and fibre, air quality and climate regulation, the regulation of water supply and quality and the cultural and aesthetic value of certain plants and species.
Which phrase does not describe asexual reproduction in organisms?
1-little variation in offspring
2-duplicates its genetic material
3-only one type of cell involved
4-requires two parents
Answer:
4
Explanation:
asexual reproduction means only one parent
It requires two parents, does not describe parthenogenesis in organisms.
The correct option is 4.
What is parthenogenesis?Parthenogenesis is the process in which reproduction happens without the fertilization of sperm.
It is the development of an embryo without fertilization of the egg.
Animals such as bees, wasps, and ants, do parthenogenesis.
It includes only one parent.
Thus, the correct option is 4, which requires two parents.
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Question 14
2 pts
Which part of the water cycle occurs when the Sun's energy causes liquid water on
Earth's surface to turn into water vapor and rise into the atmosphere?
O transpiration
O evaporation
O precipitation
O condensation
< Previous
Next >
Explanation:
condensation
Which statement about plant and animal cells is true?
O Both have a cell wall to give them support.
O Both have a large vacuole to store water.
O Both use mitochondria to release energy.
O Both use chloroplasts to store energy.
C. Both use mitochondria to release energy.
Explanation:
Eukaryotic cells have membrane-bound organelles. These organelles are cellular structures, like the mitochondria, nucleus, lysosomes, endoplasmic reticulum, etc. Eukaryotic cells are both plant and animal cells.
Both have a cell wall to give them support. False. While both plant and animal cells have a cell membrane, only plant cells have a cell wall. The cell wall in plant cells will go around the cell membrane, this protects the cell and gives the cell its shape.
Both have a large vacuole to store water. False. Only plant cells have a large vacuole that stores water. Both plant and animal cells have vacuoles, but the vacuole in the animal cell is much smaller than the one in the plant cell.
Both use mitochondria to release energy. True. As I stated before, both plant and animal cells are eukaryotic, which means they contain membrane-bound organelles. Both of them use the mitochondria to release energy.
Both use chloroplasts to store energy. False. Only plant cells have chloroplasts, animal cells do not. These help capture the energy and nutrients from the Sun, helping the plant be energized and grow.
Answer:
C. Both use mitochondria to release energy.
Explanation:
I did the test its correct
Can soil be transported?
Explanation:
Soils can be transported and deposited by the action of gravity. The movement, in this case, might be a very small distance.
hope it helps!
Which cycles ore interconnected through the process of photosynthesis and cellular respiration?
Science is always changing.
Which of the following leads to the new
developments in science?
A. ecosystems that remain the same
B. existing scientific laws
C. developing technologies
D. increasing populations
Long strands of DNA are called _______.
chromatids
autosomes
chromosomes
genes
Answer:
The answer would be chromosomes
In humans what happens when the breathing rate increases
2 points
1) Additional oxygen will diffuse into the blood as
carbon dioxide diffuses out of the blood in the
lungs.
2) Additional carbon dioxide will diffuse into the
blood as oxygen diffuses out of the blood in the
lungs.
3) Oxygen from body cells will diffuse more rapidly
into red blood cells.
4) Increased oxygen dissolved in the blood will
stimulate the cerebrum to slow the breathing rate.
1
2
3
4
Answer:
As your level of activity increases, your breathing rate increases to bring more air (oxygen) into your lungs so that your lungs can pump more oxygen into your blood and out to your muscles.
Answer:
B.
Explanation:
The answer is B. :)
Did the assignment and got it right!
Why are the molecules of living beings also called biomolecules?
Please answer
Answer & explanation:
The prefix "bio" comes from the Greek word "bios" meaning "life". Molecules of living beings are called biomolecules because they associate with life, whether that be cellular division or other such processes.
how can you tell if something is a living organism under a microscope
Answer:
When you put a sample of tissue under a microscope, if u can see a cell membrane, and can identify some cell structures like nucleus, mitochondria, vacuoles etc. , it was living, if not, its a non living thing.
Hope this helps you
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writ any three features describing the open sea ecosystem
Answer:
1 Introduction; 2 Zonation; 3 Characteristics
Explanation:
8) Anytime a Glucose Molecule is broken down in the Cytoplasm how many
ATP are released?
2
4
36
38
Answer:
2
Explanation:
This question is describing the process of cellular respiration, which is the breakdown of glucose molecule in the cell to yield energy (ATP). However, the process of cellular respiration is further divided into stages viz: glycolysis, Krebs cycle, and oxidative phosphorylation.
Glycolysis is the first stage of the process, which occurs in the CYTOPLASM of the cell. Hence, this question is specifically describing the process of glycolysis. During glycolysis, glucose molecule is broken down in a series of steps to yield a net of 2 ATP molecules.
Whoever answers gets brainlist!
Answer: universe, galaxy ,solar system, planet, moon, star
Explanation:can i get brainliest
i think thts the right order
Information about all the following can be found on Material Data Safety Sheets EXCEPT
A.
storing chemicals.
B.
use of chemicals.
C.
dangers of chemicals.
D.
cost of chemicals.