The word porous is related to the pores of skin. Skin which has small openings in the skin are called as porous skin.
What is Porous skin?Pores are the small openings which are present at the top of hair follicles that covers the entire body surface. The pores release sebum, the body’s natural oil, to naturally moisturize the skin to help keep it supple and smooth. Although the large pores on the skin can be frustrating, pores are necessary for the maintaining healthy skin.
Usually, genetics determine the larger pores. However, the oily skin, sun damage and aging can be other factors which make the body pores look bigger.
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How does the shape of an ice cube affect the time it takes the ice cube to melt
A scientific theory is a well-tested explanation for a wide range of observations or experimental results. A hypothesis is a possible answer to a question. When does a hypothesis become a scientific theory? A. after the hypothesis is first formed by a scientist B. after a hypothesis is shown to be correct in one experiment C. after a competing hypothesis has failed testing D. after the hypothesis has been confirmed through extensive testing
What is a potential impact of replication errors on the cell cycle
Answer:
underreplication or overeplication of the genome and can produce a large array of human genetic diseases, including cancer, birth defects, and many developmental abnormalities
Explanation:
Mayra's maternal grandfather and two maternal uncles died of heart attacks and her mother has high blood-pressure. Which answer best explains what this means for Mayra?
Mayra should be put on preventative medication immediately.
Mayra should not worry as most of her affected relatives were male.
Mayra should begin restricting her activities right away.
Mayra should be checked regularly for heart-related problems.
Answer: Mayra should checked regularly for heart-related problems.
Explanation:
The disease like hypertention may be passed on from parents to offsprings.
As it is mentioned that the disease is being related with the maternal lineage of Mayra. Therefore, it may be inherited by Mayra. Therefore, she should make a check for heart related issues regularly.
Which of the following is a way Earth's life (biosphere) can be directly affected by pollution? A. acid rain B. precipitation C. climate change D. global warming
I took this quiz already and the answer was a
which statement best explains why muscle cells and skin cells do not look and act the same?
1.) The two types of cells have different genes
2.) There is no similarity in the chromosomes of the two types of cells
3.) All of the same genes are being expressed in both types of cells
4.) The genes in each type of cell are being expressed differently
Answer: Option 4 The genes in each type of cell are being expressed differently
Explanation:
Both skin cells and muscle cells are somatic cells i.e the cells that make up the body parts.Since, both of them are somatic cells they both contain the same number of chromosomes which in case of humans is 23 pairs.The set of genes present in each type of cell in the body is the same and therefore, both muscle cell and skin cells have the same genes.The reason why muscle cells and skin cells do not look and act the same is that even though these cells contain the same genes, there is differential expression of genes in these cells.Differential expression of genes basically means that different combination of genes are activated in a cell which plays a role of defining the purpose of the cell. This means that the set of genes that are activated in the skin cells are different from that of the muscle cells.As the genes are being expressed differently in the muscle and skin cells, both these cells acquire different characteristics and thus, look different and perform different functions.So out of all the options, option 4 is the correct one.
If you stained both, onion cells and cheek cells what would stain the quickest and why?
Onion cells would stain quicker due to their thick cellulose wall that binds readily to stains, unlike the delicate plasma membrane of cheek cells.
Explanation:If you stain both, onion cells and cheek cells, the onion cells would stain quicker. This is largely due to the fact that onion cells have a thick and rigid cell wall made of cellulose, which readily binds to stains.
On the other hand, cheek cells are animal cells and have a thinner, more delicate plasma membrane, which can make staining more difficult and time-consuming.
This is especially evident when using a common biological stain like iodine. Iodine stains cellulose in the onion cell wall quickly, turning it a dark color that's easy to see under a microscope. In contrast, cheek cells, lacking cellulose walls, take longer to show reaction with the stain.
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Carbohydrates are complex polymers that are broken down by the body and utilized for energy. Any carbs not immediately used, are stored in longs chains called glycogen. This glycogen is stored in the liver and saved for when the body needs sources of energy. Based on this information, you can conclude that
A. it is not necessary for living organisms to store large polymers for later use.
B. complex organic molecules must combine with inorganic carbon molecules before they are stored.
C. simple molecules are capable of being stored as larger units for later use.
D. complex organic molecules do not contain more than one carbon atom.
Answer:
C. simple molecules are capable of being stored as larger units for later use.
Explanation:
Let's look first at the primary question which is technically:
Based on this information, you can conclude that
According to the paragraph, it talks about the use of carbohydrates and what happens to it in the body. Looking at the choices, only letter C is related to the excerpt.
The excerpt does not talk about how it is essential to living organisms, how they combine, nor the carbon content. So using the excerpt or the information given, you cannot assume the other choices.
Now here's something about carbohydrates:
Carbs are energy sources that we use for immediate sources of energy. When it is not needed, we it is stored as glycogen in the liver. In an even where we use up the carbs readily available, the stored glycogen will be used as a source of energy through anabolic means.
Natural selection. Darwin hypothesized that there requisites for natural selection to occur and that there are definite steps to natural selection. Note the two models seen here. Both of the models illustrate an important requisite for natural selection. That is:
Answer:
In a population of bacteria, variations exist due to mutation. The bacteria are subjected to antibiotics. Some bacteria die; others survive and reproduce. Eventually, the bacteria a resistant to the antibiotics.
Explanation:
Which element in Period 5 is the most active metal
Answer:
Rubidium is most active metal in period 5
Explanation:
There are total 18 elements in the fifth period of element table. There are total 18 elements in this period out of which rubidium is the smallest and lies at the starting of the fifth period. Unlike other elements of its group , rubidium is an alkali metal and has an oxidation state of +1 which makes it highly reactive. It reacts violently in air and water.
What is the number in a chemical formula that tells the number of specific atoms in the molecule?
How do you think the amount of light affects how plants grow
The amount of light greatly affects how plants grow through photosynthesis. Insufficient or excessive light can have negative effects on plant growth. Different plants have different light requirements.
Explanation:In biology, the amount of light greatly affects how plants grow through the process of photosynthesis. Photosynthesis is the process by which plants convert light energy into chemical energy, in the form of glucose, which is used for growth and development. Light provides the energy needed for this process to occur. Plants need a certain amount of light to thrive and grow properly.
For example, insufficient light can lead to weak, spindly stems and pale, small leaves, while excessive light can cause leaf burn and other damage. Plants have different light requirements depending on the species. Some plants, like cacti, can survive and grow in low light conditions, while others, like sunflowers, require full sun to thrive. Understanding a plant's light needs is important for successful cultivation.
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Which best describes the result of Mendel's work with pea plants? A. He showed that pea plants do not pass traits to their offspring. B. He discovered the scientific method. C. He figured out the best way to grow pea plants. D. He showed how traits are passed between generations
Answer: He showed how traits are passed between generations
Explanation: Apex 8/14/19
In order to make new nucleic acids, your body needs food that contains
Answer:
The correct answer will be- food containing nitrogen and phosphorus elements.
Explanation:
Nucleic acids are the macromolecules which are made up of monomer unit called nucleotides. The two nucleic acids are DNA and RNA present inside us.
Each nucleotide is made up of a five-carbon sugar, a phosphate group and four types of nitrogenous bases (adenine, guanine, cytosine and thymine). So the food should contain these elements mainly nitrogen and phosphorus to make nucleic acids.
The good source of food products which supply phosphorus is - Whole Grains, Chicken, Turkey, Pork, nuts and many more. The food products rich in purines and pyrimidines are sardines, mussels, crab, shrimp and many others.
Thus, food containing nitrogen and phosphorus elements is the correct answer.
which pair of elements is found in only one of the four types of macromolecules
carbohydrates, lipids, proteins and nucleic acidssssssss
what is the energy released during cell respiration
what is the difference between a reactant and a product?
A reactant is a starting material in a chemical reaction, while a product is a substance formed by the reaction.
What is a reactant and a product?In a chemical reaction, a reactant is a substance that undergoes a chemical change, while a product is a substance that is formed as a result of the chemical change. Reactants are the starting materials of a chemical reaction, and products are the end result.
Reactants are usually listed on the left side of a chemical equation, while products are listed on the right side. The arrow in the middle of the equation indicates the direction of the reaction, with reactants being converted into products.
Reactants can be elements, compounds, or ions, and they can be either solid, liquid, or gas. Products can also be elements, compounds, or ions, and their physical state may be different from that of the reactants.
The mass of the reactants in a chemical reaction is equal to the mass of the products, according to the law of conservation of mass. This means that no atoms are created or destroyed in a chemical reaction, only rearranged to form new substances.
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use the diagram below to match the letter with the name of the layer.
1. inner core
2. outer core
3. mantle
4. crust
Earth is made up of different layers as shown in the given diagram. Here, A is inner core, B is outer core, C is mantle and D is crust.
What are the different layers of the Earth?The Earth consists of three layers, namely:
The crust.The mantle.The core.The crust is the outermost layer of the Earth mantle is the middle and core is the innermost layer of the Earth.
Thus, in the give diagram, A is inner core, B is outer core, C is mantle and D is crust.
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Robin holds a handful of damp soil in her hand. She rubs some of the soil between her fingers. The soil feels very soft and a lot like flour. It is not sticky. Her soil is MOST LIKELY
Robin holds a handful of damp soil in her hand. She rubs some of the soil between her fingers. The soil feels very soft and a lot like flour. It is not sticky. Her soil is MOST LIKELY
A) clay
B) loam
C) sand
D) silt
the answer is ( D ) silt
How is over-irrigation damaging to soil? a. It reduces the amount of organic material in soil. b. It results in the accumulation of salt near the soil surface. c. It increases the acidity of soil. d. It removes water from the water table. Please select the best answer from the choices provided A B C D
it is B.
It results in the accumulation of salt near the soil surface. hope this helps
Over irrigation is a mistake made by farmers which results in the accumulation of salt near the soil surface. Therefore, option (B) is correct.
What is over-irrigation?Farmers frequently overirrigate their fields, especially when soil moisture monitoring equipment is not being used.
Regular irrigation with too much water raises the groundwater level and produces more solvent salts. Salts from saline groundwater evaporate and condense on the soil's surface. Additionally, irrigation water becomes more salted as a result of canal water seepage.
Your soil's aeration and salinity are both impacted by excessive irrigation. It implies that your plants' roots will lose important nitrogen and absorb more salt. Your plants' and flowers' growth may be hampered by the fact that most plants dislike growing in saline soil.
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How do the organisms' traits help them survive in Madagascar?
Why aren’t cheek cells all the same shape on the slide?
All cells, whether they come from plants or animals, are expected to combine into sizable clusters.
What are cheek cells?Additionally, with a total magnification of 400X, the majority of the main organelles will be visible through a microscope. Last but not least, each cell will have a length/diameter of about 0.05mm.
We noted that the onion skin cells developed a brick-like shape and that tiny spots (the nuclei) can be seen inside the cells.
Since the microscope's total magnification was 40X when we initially looked inside, there were around a hundred rows of rectangular cells.
All cells, whether they come from plants or animals, are expected to combine into sizable clusters.
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Plates move apart at ____ boundaries. a. convergent c. divergent b. stable d. transform
Plates move apart at divergent boundaries. Divergent boundaries are locations where tectonic plates are pulling away from each other.
The correct option is C.
At divergent boundaries, tectonic plates move apart from each other. This movement is driven by the underlying forces of mantle convection and the upwelling of molten material from the Earth's mantle.
Divergent boundaries are commonly found along mid-ocean ridges, where new oceanic crust is formed. The process of seafloor spreading occurs as two tectonic plates move in opposite directions, creating a gap or rift between them. Magma from the underlying mantle rises to fill the gap, solidifies upon contact with the cold seawater, and forms new crust. This continuous upwelling and solidification of magma along the divergent boundary leads to the widening of the seafloor and the creation of new oceanic crust.
Hence , C is the correct option
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it is impossible for humans to be at the bottom of the food chain.
a. True, because plants do not undergo cell respiration
b. False, because humans are omnivores
c. True, because humans are not producers
d. False, because humans carry out photosynthesis
Answer:
i believe the answer is c.true, because humans are not producers
Explanation:
Which of the following best describes the long-term impact of using a nonrenewable energy source?
A: Geothermal energy can disrupt the water table and harm water supplies.
B: Nuclear power damages the atmosphere by producing air pollution.
C: Burning biomass to produce energy releases greenhouse gases.
D: Coal mining can pollute water supplies and kill fish and aquatic plants.
I'm torn between C and D :/
The right option is; D: Coal mining can pollute water supplies and kill fish and aquatic plants.
A non-renewable energy source is an energy source that is at a limited supply, can be depleted with use and cannot be replenished. Most sources of non-renewable energy are fossil fuels which include coal, petroleum, and natural gas. Coal mining and processing contaminates water bodies such as ground water, seas, and rivers by the release of pollutants such as heavy metals and other toxins which pollutes water supplies resulting in negative health and environmental effects including killing of aquatic organisms.
This rock, known as balanced rock sits on a thin spike of rock in s canyon in Idaho explain the forces that keep the rock balanced on its time pedestal
What would happen to the respiratory system if the muscular system stopped working?
Explain the differences between internal and external fertilization and the advantages
and disadvantages of each reproductive strategy.
Which of the following best describes an advantage of genetic engineering?
A. Can reduce long-term health problems among consumers of GMO
B. Increases regulation of sale and consumption of healthy food
C. Reduces harmful impact on natural ecosystem in the future
D. Can produce crops having high level of nutrition
Answer: D. Because crops produces a good level or nutrition giving it the advantage that genetic engineering has made.
plz comment below if this is correct hope i helped :)
Explanation:
The alteration of the natural gene sequence for better outcomes is called genetic engineering.
The tools which are used in genetic engineering is as follows:-
PlasmidDNA ligaseNucleaseVectorGenetic engineering is used to treat genetic diseases, help to make the plant free from diseases resistant and pest resistant. It also helps to increase the yield of the plant.
According to the question, the correct option is D that is Can produce crops having a high level of nutrition.
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Why do the young barn owls need feathers
Young barn Owls use their feathers regulate temperature because they are tender and have little hair, they need the temperature to keep them warm.
Their feathers is also use to provide camouflage in order to catch prey and protect them.
What are Young barn Owls?Young barn Owls are nocturnal animals that is they are very active in the night and are found almost everywhere.
They are predators and have feathered.
They are adapted for hunting.
They feed on insects, rats, mice and so on.
The owls' feathers are very soft and are use for quiet flight.
The flight feathers have a thin hair-like structure that cover it and is use to traps air within the feather surface.
This helps to maintain adequate air-flow across the wings.
Therefore, Young barn Owls use their feathers regulate temperature because they are tender and have little hair, they need the temperature to keep them warm.
Their feathers is also use to provide camouflage in order to catch prey and protect them.
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