The cells in a certain part of a plant form tubes. What is the most likely
function of these specialized cells?

A. Reproduction of plant cells
B. Locomotion

C. Transportation of water and nutrients

D. Photosynthesis

Answer:

the work done by you on the machine is called input work. the work done by a machine is called output work.

Answer:

The answer is (output).

Explanation:

The work accomplished (produced) by a machine is called work [output].

Answer: The high surface tension of water is caused by strong molecular interactions.

Explanation: The surface tension arises due to cohesive interactions between the molecules in the liquid. At the bulk of the liquid, the molecules have neighboring molecules on each side. Molecules are pulling each other equally at all directions causing a net force of zero. Hope this helped! :)

Answer:

 it is due to cohesive interactions between the molecules in the liquid

Explanation:

The most likely characteristic of cells that secrete steroid hormones is B.

They are characterized by the abundant smooth endoplasmic reticulum and few secretory granules. This is because steroid hormones are lipid-soluble and can easily diffuse through cell membranes, so they do not need to be stored in secretory granules.

The smooth endoplasmic reticulum is responsible for synthesizing and metabolizing steroid hormones. These cells can be found in various locations, including the adrenal gland and gonads. This is because the smooth endoplasmic reticulum is involved in lipid synthesis, including the production of steroid hormones, while secretory granules are more related to peptide hormone secretion.

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Answer: Therefore, there will be 15,625 bacteria after 72 hours.

Explanation:

Let N(t) be the number of bacteria at time t. The rate of change of bacteria is proportional to the number of bacteria present, so we have:

dN/dt = kN

where k is the constant of proportionality.

Using the initial condition N(0) = 20, we can solve for k:

N(0) = 20

N(t) = N(0)e^(kt)

50 = 20e^(8k)

ln(50/20) = 8k

k = ln(5/2)/8

Now, we can find N(72):

N(72) = 20e^(72k)

N(72) = 20e^(9ln(5/2))

N(72) = 20(5/2)^9

N(72) = 15625

Therefore, there will be 15,625 bacteria after 72 hours.

2.1.2. The numbers and names of the places (regions) where Chlorophyll-containing cells occur are:

2.1.3. The mesophyll is the primary site of photosynthesis in plants. The mesophyll is a layer of cells that lies between the epidermis and the phloem. The mesophyll cells contain chlorophyll, which is the green pigment that captures sunlight and uses it to convert carbon dioxide and water into oxygen and glucose.

2.1.4. The mesophyll cells are structurally adapted for photosynthesis in several ways. First, the mesophyll cells are packed with chloroplasts, which contain chlorophyll. Second, the mesophyll cells have a large surface area, which allows them to absorb more sunlight. Third, the mesophyll cells have a thin layer of cytoplasm, which allows for the rapid diffusion of gases and nutrients.

2.1.5. Phloem

The phloem is a vascular tissue that transports food and nutrients throughout the plant. The phloem is made up of two types of cells: sieve tubes and companion cells. Sieve tubes are long, thin cells that are connected by small pores. Companion cells are smaller cells that are attached to sieve tubes. Companion cells help to provide energy and support for sieve tubes.

2.1.6. The components of the phloem tissue are:

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In contrast, catabolic reactions break down complex molecules into simpler ones, and are generally exergonic, meaning they release energy. For example, when glucose is broken down through cellular respiration

Through the process of cellular respiration, which involves combining oxygen with food molecules, organisms direct the chemical energy contained in these substances toward life-sustaining processes while excreting carbon dioxide and water as waste, they are able to maintain their own existence.

In order to release energy in the form of ATP, sugar must be broken down in the presence of oxygen within the mitochondria of organisms (both animals and plants). This process is known as cellular respiration. As waste products, this process emits water and carbon dioxide.

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Answer:

D

Explanation:

Metaphase is the stage the linesa up the center of the cell.

Mitosis is the final stage of cellular division, where the nucleus divides. The stage of mitosis where spindle fibers maneuver the chromosomes is metaphase. The correct option is D.

Mitosis is a process of cell division. This process occurs in all eukaryotic cells. The process completes in four stages. The process divides and grows the cell population.

The four stages of mitosis are:

Thus, the correct option is D. metaphase.

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The cyclist accelerates at a rate of 1 m/s^2.

Speed is a unit used to describe how quickly an object is moving in relation to a fixed point. The distance an object moves in a unit of time, commonly measured in meters per second (m/s) or kilometers per hour (km/h), is referred to as a scalar quantity.

This issue can be resolved using the acceleration formula. This is the equation for acceleration (a):

a=(vf - vi) / t

where t is the amount of time required, vi is the initial velocity, and vf is the final velocity.

In this instance, the time taken (t) is 10 seconds, the final velocity (vf) is 15 m/s, and the initial velocity (vi) is 5 m/s. When these values are added to the formula, we obtain:

(15 m/s - 5 m/s) / 10 s =a

a = 1 m/s^2

The cyclist's acceleration is 1 m/s^2.

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Most Shiga-toxin-producing Escherichia coli (STEC) strains implicated in severe diseases such as hemolytic uremic syndrome (HUS) carry the large enterohemolysin-encoding (ehxA) plasmid. B. pO157 and pO103 contributing to the clinical presentation of STEC.

The toxin is named after Kiyoshi Shiga, who first described the bacterial origin of dysentery caused by Shigella dysenteriae. Shiga toxin (Stx) is a protein exotoxin expressed by the Gram-negative bacterium Shigella dysenteriae serotype 1.

You can get STEC by eating products that are contaminated with the bacteria. The bacteria live in the intestines of healthy cows and can contaminate meat during slaughter. Infection is most commonly caused by consumption of contaminated food, especially raw or undercooked meat. occurs by

Shiga toxins are a family of related toxins with two major groups, Stx1 and Stx2, expressed by genes that are thought to be part of the lambdoid prophage genome.

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Hello user,

The answer is Protein Energy Malnutrition ( PEM )

hope it helps you ...

Answer: Container 1 is clear, bends easily, and quickly melts when near a flame. Container 2 is not clear, difficult to dent, and does not melt near a flame. Which container is most likely metal? Support your answer with evidence based on the given properties

Explanation: :D hope ligostsa

Answer:

Does water pH affect tadpoles

Answer:

if u can list it then list it :/

Explanation:

Environmental factors help cells and organisms mutate to get better results and less deaths in an ecosystem

ur welcome :)

brainliest please?

Answer: The concentration of carbon dioxide in Earth's atmosphere is currently at nearly 412 parts per million (ppm) and rising. This represents a 47 percent increase since the beginning of the Industrial Age, when the concentration was near 280 ppm, and an 11 percent increase since 2000, when it was near 370 ppm.

Answer: Epithelial tissue is the internal and external lining of the surfaces of organs. Connective tissue connects tissues and organs.

Explanation: Good Luck!

Answer:

1. A tissue which covers body surfaces such as lining of organs and skin, and tissue which plays role in secretion, protection and absorption is referred as Epithelial tissue.

A tissue which is composed of fibers, water, and adhesion proteins and which connects parts of body together, this is referred as Connective tissue.

2.It lines organ surfaces, the cavity, and blood vessels of the animal body.

It connects, and supports different organs and tissue in the body.

The layer that accounts for the action of the peristaltic waves is the muscularis. These muscles contract rhythmically, causing the peristaltic waves that propel the food through the digestive tract.

Correct option is, B. muscularis.

Peristaltic waves are waves of muscular contractions that propel the food through the digestive tract. These waves occur in the layer of the digestive tract known as the muscularis. The muscularis is composed of two layers of smooth muscle, an inner circular layer, and an outer longitudinal layer.

The other layers of the intestine are: Serosa, Submucosa, and Mucous: Serosa: It is the outermost layer of the intestine and is made up of connective tissue and epithelial cells. Submucosa: The submucosa is a layer of tissue beneath the mucous membrane of the digestive tract. It contains blood vessels, nerves, and glands. Mucous: It is the innermost layer of the intestine. It secretes mucus which lubricates the walls of the intestine and protects it from damage.

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Answer:

Centrosome

Explanation:

Diagram I and are II are single cells. Diagram I is an animal cell, Diagram II is a plant cell (can see the cell wall and the central vacuole).

G is the centrosome. The centrosome is made up of two cylindrical structures called centrioles. They are the microtubule organising centres (MTOCs) in cells. They regulate the assembly of microtubules during the cell cycle

When distinct proteins are produced as a result of cells creating various forms of nitrogenous bases, cell differentiation may take place.

Cell differentiation results from changes in gene expression. This occurs when various signaling molecules from the environment either activate or repress specific transcription factors that are necessary for the expression of specific genes in the DNA. DNA is organized into chromosomes inside of cells.

The process of cell differentiation results in many cell types. Cell differentiation is caused by the selective creation of particular proteins by cells, as modern molecular biology research has shown.

During cell differentiation, unspecialized cells become and develop into cells with a specific function. Additionally, changes in their morphology, cell wall, protoplasm, etc. cause this to occur.

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Answer:

That the lager frog population is better adapted to survive.

Explanation:

Here is an example: If you have to types of Polar Bears. Type 1 has long fur and type 2 has short fur. Which Polar Bear Type is more likely to survive in the north pole? Type 1, obviosity. The same goes for these frogs. Because one frog population is better adapted to survive than the other, it will allow the population to grow faster than the less adapted frogs.

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Answer:

32.5 %

Explanation:

Since the scientist starts adding water at 1:30 P.M and stops at 3:40 P.M, the time elapsed is 3:40 P.M - 1:30 P.M = 2:10. So the time elapsed is 2 hours and 10 minutes = 2 × 60 minutes + 10 minutes = 120 minutes + 10 minutes = 130 minutes.

Also, the scientist adds 0.75 milliliters of water every 10 minutes. We need to find the number of times the scientists pours water in 130 minutes.

number of times = 130 min/10 min = 13 times

So, the total volume of water added after 130 minutes or 13 times is 0.75 ml × 130 min/10 min = 0.75 ml × 13 = 9.75 ml

Now, the total volume of water and chemical is thus 9.75 ml + 20.25 ml = 30 ml.

So, the percentage of water in the mixture by 3:40 P.M = volume of water/total volume of mixture × 100 %

= 9.75 ml/30 ml × 100 %

= 0.325 × 100 %

= 32.5 %

Answer:

For A it would be 8.25 and for the second part, it would be 33%.

Explanation:

Answer: Felipe is wrong.

Explanation:

In diagram A, we can see that the light comes from the left, it first impacts on the Earth, and then we have the Moon.

Now, you can model this situation with a flashlight (the Sun) a basketball (the Earth) and a tennis ball (the Moon)

When you point with the flashlight at the basketball, the basketball will look bright, but it will cast a shadow behind it. This shadow will cover the tennis ball, and almost no light will reach the tennis ball, so it will not look bright.

This phenomenon is called a lunar eclipse, and this happens when the Earth is in between the Sun and the Moon. When this happens, we see the moon a bit darker and more reddish.

Felipe is incorrect, as it will not be possible to see the moon if it is in the position shown in the diagram.

We can come to this answer because:

Therefore, it will not be possible to see the moon, as Felipe said.

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The percentages of various genotypes that are anticipated to be present in the children of two parents may be calculated using a Punnett square.

The overall number of squares in each Punnett Square should be counted. You are then provided with the estimated total number of offspring. Subtract the (phenotype's prevalence in the population) from (the total number of offspring). To get your %, multiply the value given step 4 by 100. Punnett squares can be used to predict the proportions of phenotypes that known genotypes will produce in a cross's offspring. Based on other genotypes included in the cross, a missing genotype can be identified using a Punnett square. Because two heterozygous parents were crossbred, the F2 generation is much more varied. The genotype pattern of the F2 generation is as follows: 50% heterozygous, 25% homozygous recessive, and 25% homozygous dominant.

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Answer:

Pollution

Explanation:

Much of the Phosphorus in the earth has been depleted by pollution so if your looking for an answer that is the most common way the phosphorus depletion is pollution.  So the answer is pollution. :D

The following five steps are 1. The DNA is transcribed.2. The mRNA is transported through the nuclear pore to the cytoplasm.3. The mRNA is translated.4. The protein folds.5. The protein moves through the pore into the nucleus.

DNA is the primary genetic information source that controls and governs the operation of living cells. DNA comprises all of the genes of an organism, which determine its structure, function, development, and evolution. Nuclear protein is synthesized in the nucleus and transported to the cytoplasm, where it is integrated into the appropriate subcellular compartment.

In the cytoplasm, the process of translation takes place on ribosomes attached to the endoplasmic reticulum (ER), and the protein is further modified in the ER and the Golgi apparatus. The mRNA is transported through the nuclear pore to the cytoplasm, where it is translated. Once the protein is synthesized, it must fold correctly to become functional. Chaperones or folding enzymes may assist in this folding process.

Finally, nuclear proteins move back into the nucleus through nuclear pores, where they regulate gene expression, maintain the chromosome architecture, or perform other essential functions.

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