HURRY !!! Which best describes the structure of the molecules that make up proteins?
O
A. Carbon + hydrogen + oxygen
B. Phosphate + sugar ring + nucleotide base
O
C. Hemoglobin + oxygen + iron
O
D. Carboxyl group + amino group + side chain

Answer:

your not being specific enough

Explanation: what is active transport? be more specific so i can answer this for you.

Answer:

'Genetics in Swedish forestry practice' -- subject(s): Afforestation, Forests and forestry, Genetics

'Den oligarchs astringency och partaken' -- subject(s): Afforestation, Forests and forestry, Genetics, Trees

Explanation:

Bacteria can cause diseases in humans and other organisms, and not all bacteria are susceptible to antibiotics. The impact of bacterial diseases can be serious.

Bacteria are responsible for causing diseases in humans and other organisms. While there are some archaea that can be harmful, the majority of known pathogens are bacteria. Antibiotics can be used to treat bacterial infections, but not all bacteria are susceptible to antibiotics. Additionally, diseases caused by bacteria can be very serious and have a significant impact on human populations.

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Reflex movements are involuntary, quick responses to stimuli carried out by the spinal cord, bypassing brain control. They serve a protective function for the body and are crucial for understanding the health and development of the nervous system.

Reflex movements are triggered when sensory information is powerful enough to reach a threshold, and the interneurons in the spinal cord act to send a message back through the motor neurons, bypassing the brain's conscious control. For example, when you touch a hot stove and immediately pull your hand back, it's your reflexes in your spinal cord ordering the appropriate response before your brain processes what is happening. This demonstrates the reflex arc, which is fundamental for protecting the body from harm.

Answer:

Protons are positively charged, Electrons are negatively charged, and Neutrons are neutrally charged as in no charge positive or negative.

Protons and neutrons are in the middle (nucleus) of the Atom while the electrons are in shells or orbitals that surround the nucleus of an atom.

Protons have +1 mass, electrons have -1 mass, and neutrons have 0 mass.

- Que

Protons (+1 charge, 1 amu) and neutrons (no charge, 1 amu) are located in the nucleus, while electrons (-1 charge, approx. 0 amu) orbit the nucleus. The mass of protons and neutrons is about 1836 times greater than the mass of an electron. These subatomic particles define the properties and chemical behavior of elements.

Protons, neutrons, and electrons are the three main subatomic particles that make up an atom. Protons have a positive charge of +1 and, along with neutrons, are found in the atom's nucleus. Neutrons are electrically neutral and have no charge. Both protons and neutrons have a mass of approximately 1 atomic mass unit (amu). The mass of protons and neutrons is nearly the same, and they constitute the bulk of an atom's mass. Electrons, on the other hand, orbit the nucleus in orbital clouds and have a negative charge of -1. They have a negligible mass, approximately 0 amu, which is about 1/1836 times the mass of a proton.

The differences in their location within the atom, electric charge, and mass define many properties of elements and their chemical behavior. While protons determine the element's identity and its positive charge balances the negative charge of electrons, neutrons provide stability to the nucleus, and electrons are involved in chemical bonding and reactions.

Answer:

CO2 and H2O is correct and now I just have to fill space sooooo

Answer:

A

Explanation:

Promoter region on DNA is the point on DNA where polymerase enzyme attaches so it can begin the translation of genes/operon downstream. Terminator region on the DNA is the point that causes the polymerase to terminate transcription. For example, the terminator regions may cause the transcribed nascent mRNA to form a hairpin structure at the terminator sequence hence causing  the polymerase enzyme to detaches from the DNA strand.

Promoter sequence initiates transcription, while the terminator sequence ends it in DNA. Correct answer is 1. Promoter sequence begins transcription, while terminator sequence ends it.

Promoter sequence: A DNA sequence where RNA polymerase binds to initiate transcription. It determines when and where transcription starts. Consists of specific nucleotide segments recognized by RNA polymerase or regulatory proteins.

Terminator sequence: A DNA sequence indicating where transcription should end. It helps in the release of RNA polymerase and stops the addition of nucleotides to the RNA strand.

In summary, the promoter sequence begins transcription by providing a binding site for RNA polymerase, while the terminator sequence ends transcription by signalling the enzyme to detach.

complete question:

What are the functions of the promoter sequence and the terminator sequence in DNA?

Answer:

Natural Selection is an evolutionary process that caused the increment of dark-coloured Biston betularia moths in England. It happened due to increase of air pollution in the industries. The bark of the trees became darker because of the deposition of pollutants.

In order to save itself from predators, the species of Biston betularia evolved itself to a dark coloured species so that the predators gets confused between the bark of the tree and the Biston betularia.

Answer:

natural selection

Explanation:

gradpoint

Answer:

Penguins need thick skin and a lot of fat.

Explanation:

To keep warm in cold weather. They also huddle together with their friends to keep warm. And they need a colony to help protect each other and the young ones.

Answer:

1. Anne ate toast, but I ate pizza

2.Rob painted a portrait, and mary chiseled a statue

3. you can imitate another artist, or you can try to be original

4. our parents went out, so we watched television

Answer: in days

in minutes

over hundreds of years

Explanation:

The short term environmental changes are those changes which are caused by the catastrophic events. These changes remain for a short period of duration as they are temporary and the environment attains stability after these changes. These includes drought, flooding, volcanic eruption, pollution, blizzards, impact of asteroid or comet on earth and smog.  

The short term environmental changes can be seen in days, in minutes and over hundreds of years but as the environment receiver the effect of these changes also diminishes in the environment.

Answer:

A) IN DAYS

Explanation:

EDG 2020

Answer:

a mix of blue, green, and brown eye colors

Explanation:

Answer:

A mix of blue, green, and brown eye colors.

Explanation:

Polygenic inheritance may be defined as the type of inheritance that are controlled by the multiple genes. Different genes are involved for the expression of a particular trait.

Polygenic inhertance is measured in the different population. Different phenotypes are observed in the traits that are controlled by polygenic inheritance. The eye color is controlled by than three different genes and different eyes color (phenotype) like brown, blue and green are observed.

Thus, the correct answer is option (2).

You should face towards the water. Therefore, option (D) is correct.

The cool breeze comes from the direction of the water because of the temperature difference between the land and the water. During the day, the land heats up faster than the water due to its lower heat capacity. As the warm air above the land rises, cool air from the water is drawn in to replace it, resulting in a cool breeze blowing from the water towards the land.

Sea and land breezes are local winds that occur in coastal regions due to differences in temperature and pressure. During the day, the land heats up faster than the sea, causing the air above the land to warm and rise. This creates a low-pressure area over the land. At the same time, the air above the cooler sea remains relatively stable, creating a high-pressure area. The air flows from high pressure to low pressure, so cooler air from the sea moves towards the land, creating a sea breeze.

At night, the opposite occurs. The land cools down faster than the sea, creating a high-pressure area over the land and a low-pressure area over the sea. This causes air to move from the land to the sea, creating a land breeze. Sea and land breezes can affect the weather in coastal regions and can also impact local marine ecosystems.

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Answer:

The amount of UV light exposure.

Explanation:

The independent variable is the one variable that an individual must change during an experiment in order to investigate or test the dependent variable. Basically their relationship to the experiment or between themselves can be easily remembered through their names: The independent variable is the one that's controlled by the researcher and therefore does not depend on other variables from the experiment (amount of UV light), the dependent variable depends on the independent variable since its often the result from the latter's variations (cases where people developed skin cancer) and finally, the controlled variable is the one that's kept the same throughout the experiment (Time exposed to sunlight within group A or method through which patients were tested for skin cancer).

Answer:

reproduce asexually

Explanation:

Most living organisms such as animals etc reproduce sexually

Answer:

Asexual reproduction is not a characteristic of all living organisms.

Explanation:

Reproduction is a life process which is essential to sustain a population of an organism. Asexual reproduction is not the only form of reproduction. Organisms reproduce sexually or asexually.

All the other given options are characteristic features of organisms. Every living organism is composed of cells. Depending on the number of cells organisms can be unicellular or multi cellular.

Every organism is able to perform various functions because they have a metabolism. Organisms have different ways of responding to stimuli.

Answer:

Various structures in the human body are organized into levels, from cells to whole organisms. Each item listed is categorized as either a cell (C), tissue (T), organ (O), organ system (S), or whole organism (W) based on its role in the body's structure.

The organization of the human body can be categorized into cells, tissues, organs, organ systems, and organisms. Let's label each of the following according to these categories:

In summary, cells are the basic units of life, tissues are groups of similar cells that perform a common function, organs are composed of different types of tissues, and organ systems are composed of different organs that work together to perform complex functions. A whole organism comprises several organ systems working in harmony.

Neural signals from olfactory cilia are transmitted to the olfactory bulb and and then transmitted to the olfactory cortex and other areas of the brain.

Answer: Option B

Explanation:

All the signals that we receive through are body are sensed through the brain. The olfactory is an important center of the brain that is responsible for this activity.

The olfactory bulb receives the smell from the olfactory cilia, that then takes it to the cortex, then transfers it to the other parts of the brain and make us sense the smell.

Answer:

b. olfactory bulb . . . olfactory cortex

Explanation:

edge

Answer:

buoyancy

Explanation:

According to Google "Archimedes' principle states that the upward buoyant force that is exerted on a body immersed in a fluid"

I know a lot on this topic but I wanted to be sure my answer was to the point instead of rambling. If you need further help let me know!

Answer:

buoyancy

Explanation:

Answer: This model can show you how it works, But however it will not tell you how hot the lava is, And it won't react completely as a real one

Explanation: It says the purpose of this model is to help you understand, It will show you but it won't be an exact volcano

Answer:

The limitation of this model is that it does not accurately demonstrate the degree of dangerousness of the volcanoes.

Explanation:

The volcano is the natural phenomenon responsible for the release of magmatic material, ashes and gases from the Earth's interior to the surface. The eruption of a volcano has destructive consequences, especially in populated places. Among the losses are pollution of soil, water and air, destruction of vegetation and homes, in addition to deaths.

Although a volcano model demonstrates the shape and functioning of the volcano, these models do not accurately represent the danger that an active volcano represents as lava and all the smoke generated by volcanoes.

Answer:

The correct answer is B) Lipids contain fatty acids and glycerol.

Explanation:

Lipids are mostly found in the cell membrane, where its function is to make a barrier for protection and control. Therefore, its structure facilitates the formation of a bilayer with two different types of solubility, due to the glycerol heads (hydrophilic) and the tails made of fatty acids (hydrophobic) located in the exterior and interior face of the membrane and on the middle, respectively.

Answer:

Epidermis, in botany, outermost, protoderm-derived layer of cells covering the stem, root, leaf, flower, fruit, and seed parts of a plant. The epidermis and its waxy cuticle provide a protective barrier against mechanical injury, water loss, and infection.

Answer:

One of the ways that plant systems and tissues work together is in the transport of materials such as water, called transpiration. In transpiration, water is taken into the plant and then evaporates out of the leaves. First, water is taken in through pores in the dermal tissue of the roots and brought to the xylem of the vascular tissue. The vascular tissue then transports it up through the stem and into the leaves. Once in the parenchyma cells of the ground tissue of the leaves, photosynthesis and cellular respiration occur, using that water. The water is then released through guard cells of the dermal tissue into the atmosphere.

Explanation:

A quantity that might be measured in kilograms is mass. You can tell it is not length, because that is meters, and temperature is Celsius. It is not electrical current because that is measured in watts.

If you need more explanation, comment below and I'll do my best.

Answer:

The steps will be in order in the sequence 12,13,11,4 and 15

Explanation:

12. In glycolysis, glucose is converted into pyruvate. ATP and NADH ARE MADE.

13. Pyruvate is oxidized and converted into acetyl CoA in the mitochondria. Carbon dioxide and NADH are also made.

11. The acetyl CoA undergoes a series of changes and ATP, FADH2, NADH, and carbon dioxide are released.

4. NADH and FADH2 lose their electrons and get converted back into NAD+ and FAD.

15. Oxygen takes electrons and water is produced. 34 ATP molecules are released.

​

Answer:

In a global sense, Cellular respiration takes place with the following process: Glycolysis, Pyruvate oxidation, Citric acid cycle (Kreb's cycle) and finally the oxidative phosphorylation. This corresponds to 12, 13, 11, 14, and 15.

Explanation:

In a global sense, Cellular respiration takes place with the following process: Glycolysis, Pyruvate oxidation, Citric acid cycle (Kreb's cycle) and finally the oxidative phosphorylation. Now, we will organize the presented steps in order to achieve Cellular respiration as follows:

First step: 12. Glycolysis takes place in the cytoplasm and breaks down glucose to form two molecules of pyruvate. 2 ATP  are produced and NADH is saved for later.

Second step: 13. Two molecules of pyruvate move into the mitochondria where they are converted into Acetyl CoA. More  NADH is produced and CO2 is released.

Third step: 1 1. In the Citric Acid/Kreb's Cycle the carbons that are left from the initial glucose are oxidized releasing more  CO2. NADH and FADH2 and 2 ATP molecules are produced.  

Fourth step: 14. In the electron transport chain, the NADH and FADH2 give up electrons, energy is released and captured as it  moves from a high concentration to a low concentration.

Finally, 15. Energy is used to produce about 34 ATP. Oxygen is the terminal electron acceptor that combines with oxygen  to produce water

We can conclude that Cellular respiration takes place with the following process: Glycolysis, Pyruvate oxidation, Citric acid cycle (Kreb's cycle) and finally the oxidative phosphorylation. This corresponds to 12, 13, 11, 14, and 15.

Developed Calculus -

Gottfried Wilhelm Leibniz

Around the 1670s, two great men — Sir Isaac Newton of England and Gottfried Wilhelm Leibniz of Germany — discovered and developed calculus independently from each other.

Who was the first to study the heavens through a telescope  -

Galileo Galilei

Galileo Galilei (1564-1642) was part of a small group of astronomers who turned telescopes towards the heavens.

Who developed a model of the universe with the Sun at the center

Nicolai Copernicus

The Earth-centered Universe of Aristotle and Ptolemy held sway on Western thinking for almost 2000 years. Then, in the 16th century a "new" (but remember Aristarchus) idea was proposed by the Polish astronomer Nicolai Copernicus (1473-1543).

Answer:

newton was the first one who developed calculus.

Explanation:

The organelles known as the 'power plants' of the cell are the mitochondria. They convert the chemical energy from food into compounds the cell can use, through a process called cellular respiration.

In biology, the organelles that are referred to as the 'power plants' of the cell are the mitochondria. These organelles are responsible for the critical task of producing energy for the cell. This process works by converting chemical energy found in the food we consume into compounds that the cell can use. This is achieved through a process known as cellular respiration. Other organelles, such as ribosomes, lysosomes, and vacuoles, each serve their unique functions, with ribosomes responsible for protein synthesis, lysosomes for waste disposal, and vacuoles for storage, but it's only the mitochondria that does the work of a cell's energy 'power plant'.

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Explanation:

Assimilation, or cultural assimilation, is the process by which different cultural groups become more and more alike. Assimilation is most often discussed in terms of minority immigrant groups coming to adopt the culture of the majority and thus becoming like them in terms of values, ideology, behavior, and practices.

Answer:

Option B, that distinct groups blend into a single group with common cultures and identities

Explanation:

Assimilation is a process by which different cultures mix with each other, share their customs, practices, traditions, views and beliefs and become a part of each other in a way that it lead to origin of a common culture for all.

The cultural assimilation if beneficial to the small religion sects and group of people (such as immigrants) with in a society to gel up with large social groups and thus lead to a common culture.

Hence, option B is correct

Answer:

B i hope this help

Explanation:

The cell membrane consists primarily of a thin layer of phospholipids which spontaneously arrange so that the hydrophobic "tail" regions are shielded from the surrounding polar fluid, causing the more hydrophilic "head" regions to associate with the cytosolic and extracellular faces of the resulting bilayer. This forms a continuous, spherical lipid bilayer approximately 7 nm thick, barely discernible with a transmission electron microscope.

The arrangement of hydrophilic and hydrophobic heads of the lipid bilayer prevent polar solutes (e.g. amino acids, nucleic acids, carbohydrates, proteins, and ions) from diffusing across the membrane, but generally allows for the passive diffusion of hydrophobic molecules. This affords the cell the ability to control the movement of these substances via transmembrane protein complexes such as pores and gates.

Phospholipids are particularly suited to serving as membranes because they create a selectively impermeable membrane, as option B shows.

Phospholipids are molecules formed by fatty acids and alcohol. Fatty acids form the tail of these molecules and it is a hydrophobic structure that does not allow mixing with aqueous substances.

These tails are able to form a semipermeable structure that is very useful to maintain the selectivity of biological membranes, and controlling the entry and exit of elements.

All this can be seen in option B.

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Answer:

A

Explanation:i beleive its a because it needs to be active

Active transport is the process that requires cellular energy to move molecules across the cell membrane from a region of lower concentration to a region of higher concentration. It works against the natural flow of substances and requires energy, typically in the form of ATP, to facilitate this movement. Examples include the sodium-potassium pump and the transport of larger molecules.

The process that requires cellular energy to move molecules across the cell membrane from a region of lower concentration to a region of higher concentration is known as active transport. Active transport mechanisms require the use of the cell's energy, typically in the form of adenosine triphosphate (ATP), to move substances against the concentration gradient. For instance, proteins within the cell membrane may act as 'pumps', using cellular energy to facilitate the movement of substances. Unlike passive diffusion and osmosis, which rely on the natural movement of substances from an area of higher concentration to a lower concentration, active transport must work against this natural flow, requiring energy.

Examples of active transport include the sodium-potassium pump, where sodium is pumped out of the cells and potassium is pumped into cells, both moving against their concentration gradients. Another example can involve the transport of larger molecules or ions through the cell membrane against their concentration gradient, which also requires ATP.

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