The herbaceous stem is composed of vascular bundles (xylem and phloem) arranged in a circle around a central core of spongy tissue made up of parenchyma cells, called the pith. Surrounding the vascular bundles is a layer known as the cortex, which varies in thickness from species to species.
Which word equation represents a process that requires the presence of light and chlorophyll?
Answer:
photosynthesis that's the answer
suppose you are a doctor reviewing this new bandage for its potential applications. in what ways might you use such a bandage. present your ideas in a list.
edit: bump
Answer:
For the treatment of patients.
Explanation:
As a doctor, I am using this new bandage For the treatment of patients. If this bandage has given me promising results than old bandages then I used these bandages for all my patients but if the bandage does not give me the required results and the old one is more better than the new one than I will reject using that new bandage and prefer old bandages.
What characteristic of water helps it cause a mineral, such as halite, to dissolve?.
(B) the polar nature of the water molecule is the characteristic that helps it cause a mineral, such as halite, to dissolve.
When a bond forms between a metal and a non-metal, ionic compounds are produced. The metal ion always loses electrons during ion production and turns positive, while the non-metal ion gains electrons and turns negative. Chlorine and sodium atoms are split apart by water molecules as halite dissolves in water.
Since it is essentially just a crystal of sodium chloride, halite is also referred to as rock salt. When sodium and chlorine combine to form ions, the resulting Na+ and Cl- ions are separated from one another by water molecules and serve as charge carriers when water is exposed to an electric current.
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Question correction:
What characteristic of water helps it cause a mineral, such as halite, to dissolve?
A. the small size of the hydrogen atoms
B. the polar nature of the water molecule
C. the electronegativity of hydrogen
D. the electronegativity of oxygen
E. all of these
PLEASE HELP!!! Which capability do scientists think evolved as a result of the separation of
interior spaces from exterior spaces in protobionts?
A. The ability to carry out unique chemical reactions
B. The ability to separate different functions into different organelles
C. The ability to link amino acids as dipeptides
D. The ability to produce offspring
Answer:
The answer is A
Explanation:
Explain how the structure of a mature sieve element is related to its function?
Answer:
.
Explanation:
.......................
Where do NADP+ and ADP produced in the Calvin cycle go?
Answer:
I think NADP+ and ADP go to Photosythesis ll to fix carbon into sugars. hope this helps.
Explanation:
If trypsin were to be placed in an acidic environment, how would it function? How do you know?
Answer:
If trypsin is in an acidic environment, it will decrease its function, since its optimum pH is 8.
Explanation:
Trypsin is an enzyme responsible for break peptide bonds, thus hydrolyzing proteins into peptides and amino acids. This enzyme is secreted by the pancreas and poured into the duodenum —an alkaline environment— where it acts.
Since the optimal pH for trypsin to fulfill its function is 8, if the enzyme were placed in an acidic environment it would decrease its function. This is because enzymes work under specific pH and temperature conditions, and changes in these conditions affect enzymatic activity.
Which of the following would be an example of a pure substance
A: salt water
B: Gold
C: vegetable oil
D: Steel
Answer: water is a pure substance
Explanation:
match the letter with the correct organelle
E
H
F
A
Answer:
E- Mitochondria
H- Lysosome
F- Plasma/ Cell Membrane
A- Chromatin
Explanation:
Cell organelles:
E- Mitochondria
H- Lysosome
F- Plasma/ Cell Membrane
A- Chromatin material
What are Cell organelles?Mitochondria are membrane-bound cell organelles that provide the majority of the chemical energy required to fuel the cell's metabolic activities. Adenosine triphosphate is a tiny molecule that stores the chemical energy created by mitochondria (ATP)A lysosome is a digestive enzyme-containing membrane-bound cell organelle. Lysosomes play a role in a variety of cellular activities. Excess or worn-out cell parts are broken down by them.The cell membrane is a biological membrane that protects and isolates the interior of all cells from the outside environment.Chromatin is a DNA-protein complex found in eukaryotic cells. The principal role is to compress and densify lengthy DNA molecules into smaller, more compact forms.learn more about cell organelles here:
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The formula CaCl, represents the compound
Answer:
It represents the compound calcium chloride
Explanation:
Cells which are found within the active organs in the human body would have the most chloroplasts true or false
The human body's active organs contain cells with the highest concentrations of chloroplasts: FALSE
In Human body, are there no chloroplasts.
We are descended from a line of animal cells that didn`t own chloroplasts or permit them to withstand digestion once they ate plants. Those few that controlled to develop and divide, maintaining chloroplasts could now no longer be as green as animals with out chloroplasts that absolutely had been capable of consume different organisms.
Also, as pointed out, our surfaces are a whole lot too small to take in sufficient mild to offer the non-stop shops of power we want to keep frame temperature and guide our absolute requirement for gasoline for the feature of an excessive order energetic mind or muscle groups that permit transportation and lengthy distance running, key functions of being human.
If we had been engineered to have chloroplasts in our pores and skin and survived in continuously difficult environments and survived, with much less and much less captured food, we'd evolve to be desk bound and now no longer want our muscle groups now no longer outrun all different creatures on the earth and now no longer rely on an power ingesting mind, to the volume that photosynthesis could be sufficient, we'd have reduced in size and simplified our our bodies to axrudementary vestigial and turn out to be like avenues fly lure possibly or forgo ingesting altogether.
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Some cells, such as nerve cells, are programmed to always remain in the Gap 1 state. If nerve cells engage in mitosis, a disruption of the cell cycle has occurred. The growth of additional nerve cells can lead to
A the creation of a virus.
B the development of cancer.
C a change in sex.
D a loss of DNA.
WILL MARK BRANLIEST PLS HELP
What would be a disadvantage of asexual reproduction for an organism?
A.
If one member has a genetic disease, then all members of the population could get the disease.
B.
It allows for rapid population growth.
C.
Asexual reproduction creates more mutations than sexual reproduction.
D.
It creates organisms with a variety of traits.
Answer:
I think its A
Explanation:
Answer:
A
Explanation:
Asexual is basically making a clone or mini version of yourself. They would get all the characteristics you'd have. So if the main plant is sick it will get there baby sick
What two factors are considered when determining the risk assessment for air pollutants?.
When determining the risk assessment for air pollutants, two factors that are considered are exposure assessment and hazard assessment.
Exposure Assessment: This involves evaluating the extent and duration of human exposure to air pollutants. It considers factors such as the concentration of pollutants in the air, the duration of exposure, and the frequency of exposure.
Hazard Assessment: This involves assessing the inherent toxicity or harmful effects of the air pollutants. It considers the potential health effects associated with specific pollutants, such as respiratory irritation, cardiovascular problems, cancer risks, or neurotoxicity.
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Which statement concerning osmosis and active transport is correct? *
4 points
A. Active transport requires cell energy while osmosis does not
B. Both endocytosis and active transport require cell energy
C. Diffusion of gases and other small molecules requires no energy.
D. Neither facilitated diffusion nor osmosis require energy
This is a required question
Answer:
A. Active transport requires cell energy while osmosis does not
Explanation:
Active and passive transport are important for living organism as they regulates the entry and exit of molecules and ions in a cell.
Active transport require cell energy in the form of ATP to maintain the right concentrations of ions and molecules in living cells while osmosis is a type of passive transport and doe snot require cell energy this is so because ion concentrations in osmosis remain same both the side of the membrane and do not require cell energy to pump the molecules.
Hence, the correct answer is "Active transport requires cell energy while osmosis does not".
GUYS PLEASE HELP THIS IS THE LAST QUESTION I NEED TO PASS, please and thank u :)))
option 2. sexual reproduction
Answer:
sexual reproduction
it is the production of new living organisms by combining genetic information from two individuals of different types (sexes). In most higher organisms, one sex (male) produces a small motile gamete which travels to fuse with a larger stationary gamete produced by the other (female).
The products of cellular respiration are used as reactants in photosynthesis.
O False
O True
Answer:
true
Explanation:
Which molecule would most likely require a transport protein to cross the plasma membrane of a red blood cell?.
Glucose (C₆H₁₂O₆) is a large molecule which cannot cross the plasma membrane on its own therefore, it requires transport proteins (GLUT channels) through which they diffuse through membrane. Thus, the correct option is A.
How does materials transport through membrane?Materials transport through the plasma membrane through different ways which include active transport and passive transport. Active transport requires energy (ATP) for the transport of materials against the concentration gradient.
In passive transport, energy is not required as material moves in the direction of concentration gradient. The molecules can diffuse on their own through the plasma membrane and require transport proteins if the molecules are large in size or polar in nature. Facilitated diffusion has channel proteins and carrier proteins which helps in the transport of molecules across the membrane.
GLUT is a channel protein specific for the transport of glucose across the plasma membrane. Glucose is a large molecule hence requires a transport protein for diffusion across membrane.
Therefore, the correct option is A.
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Your question is incomplete, most probably the complete question is:
Which molecule would most likely require a transport protein to cross the plasma membrane of a red blood cell?
A. C₆H₁₂O₆
B. H₂O
C. CO₂
D. O₂
In some science experiments, you are trying to compare the effects that a certain variable may have on the topic of interest. For example, read the following question: What brand of fertilizer makes roses grow the fastest? Let’s say you had three brands that you were using, and we will just call them brands A, B, and C. In an experiment, the different types of fertilizer would be called treatments, because you will be treating roses with each type of fertilizer. Most experiments that have a treatment also have a control, which in this case would be roses that had no fertilizer applied to them. In any experiment you want to eliminate as many variables as possible. In this experiment, the only thing you want to vary is the type of fertilizer. Everything else (sunlight, water, temperature, etc) you hope, will stay the same. Use the information about this example experiment to answer problems 7-10.
How many different groups of roses will you need?
Choose one answer.
a. Three
b. Four
How do trees improve water quality?
a.
Tree roots anchor soil in place, preventing runoff.
b.
Water is filtered as it passes through the root systems of trees.
c.
An adult tree can store nearly 250 gallons of water.
d.
All of the above
Please select the best answer from the choices provided
A
B
C
D
Answer/Explanation:
D
Trees improve water quality by slowing rain as it falls to the Earth, and helping it soak into the soil. ... Having a buffer of forestland by streams and riverbanks does more than just filtering the water.
Answer:
b. Water is filtered as it passes through the root systems of trees.
Explanation:
on edge
4.
decesing.
In 2019, the energy usage per person in India was 6,924 kWh and the energy usage per
person in the United States was 79,897 kWh. How many times greater is the energy
usage per person in the United States than in India?
11.5 many times greater is the energy
usage per person in the United States than in India.
let us consider x times 6,924 kWh consumses in india which is equivalent to united sates.the energy usage per person in India =6,924 kWhthe energy usage per person in United States =79,897 kWhso, energy usage in the United States÷energy usage in the India × x
x =79,897 kWh ÷ 6,924 kWh
x = 11.5
killowatt hours Unit of electrical energy,which is 1000 W of power used for 1 hwatts is the unit for measuring electrical power. It defines the rate of energy consumption by an electrical device when it is in operationTo know more about energy visit :
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Which planet’s orbit around the Sun is most nearly circular?
Answer:
Venus has most nearly circular orbit.
Answer:
venus
Explanation:
in our solar system Venus and Neptune have circular orbits
Please Help Make Sure you explain your answer i will be marking brainliest to the first person who is correct:)
SCIENCE....
Answer:
the answer would be D deep ocean to trench.
Explanation:
because trenches are the deepest part of the ocean and the deeper you go the higher the pressure
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Why can inbreeding be potentially harmful to populations? Check all that apply.
1. Negative traits, such as diseases, may build up in the population.
2. Useful traits may be “bred out” of the population.
3. Genetic diversity of the population is increased.
4. The population becomes weaker and less resilient.
The correct answers are 1, 2 and 4
what are atoms and how are the subatomic particles diagrammed?
Atoms are the basic building blocks of all matter (solids, liquids, gases and plasma) in the universe. For example, you and I are made entirely of atoms. The device you're using to view this answer is made of atoms.
Within atoms are subatomic particles. These include protons, neutrons and electrons. Protons and neutrons are located within the nucleus of an atom while electrons orbit around the nucleus, arranged in shells (the "outside part" of an atom). Changing the number of subatomic particles there are in an atom can change its properties (ex. what element it represents, how reactive the substance is, etc.)
Please check the image attached for a visual representation.
I hope this helps!
A, B, C, or D & Why?
Answer:
B
Explanation:
Because of how an individual will respond
Smokers are ___ times more likely to die from ___ than non-smokers
Answer:
There are 2 possibilites.
Explanation:
1. 17, bronchitis and emphysema
2. 23, cancer of trachea/lung and bronchus
Please write down the correct name for each layer of the earth in the space below. EX - A: ________, B: _________,
Answer:
A: crust, B: mantle, C: outer core, D: inner core.
Explanation:
Do you learn this in 6-7th grade
which body composition assessment method involves the estimation of the 3-dimensional volume of the body through measurement of an individual’s body weight while they are completely submerged under water?
The body composition assessment method that involves the estimation of the 3-dimensional volume of the body through measurement of an individual’s body weight while they are completely submerged under water is Hydrodensitometry.
Hydrodensitometry is based upon the Archimedes principle. It provides information of two components: the fat mass and the fat-free mass. It is also called under-water weighing. This technique is not commonly used, however it is mostly used on athletes.
Body composition assessment is the method to calculate the ratio of fat-to-fat free mass. The composition if assessed to gain knowledge about the fitness of the body.
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Place the following molecules in order starting from the smallest
The molecules that are given below from the smallest to the lowest will be glucose, protein, disaccharides, and starch.
A molecule simply refers to the smallest particle that can be found in a chemical element. It should be noted that the molecule has the chemical elements exactly as the elements or compounds.Molecules consist of one or more atoms. Examples of molecules include CaO (calcium oxide), NaCl (table salt), From the options given, it should be noted that the nanometer of glucose is the smallest when it's compared to others. Starch has the largest nanometer. A nanometer is a unit of measurement.In conclusion, the correct option from the smallest will be glucose, protein, disaccharides, and starch.
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