Nucleotides are composed of a sugar molecule, a phospate molecule and a nitrogen base. Which of the following is NOT one of the four different bases in a molecule of DNA?
Cytosine
Guanine
Adrenaline
Thymine

The economic system, the socio-political system, and the ecology are embedded within each other and then integrated through the governance system, which binds all the other systems in a valid way, according to the systems approach to sustainability that South Africa has embraced.

These objectives included addressing issues like social justice, water, sanitation, energy, the environment, gender equality, poverty, hunger, and climate change. Ensure that everyone has access to necessities including sustainable energy, water, and sanitation. Encourage the creation of possibilities for development through inclusive education and respectable employment. Encourage innovation and robust infrastructure to build towns and cities that can produce and consume things sustainably. Examples of Environmental Sustainability renewable energy sources include biomass, solar, wind, and hydroelectric power. recycling of minerals and metals like iron and steel. crop revolving.

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The given statement "Mangrove forests are named for the mangrove trees that inhabit them" is true. Mangrove forests are coastal wetlands that are mostly made up of mangrove trees.

These forests are found in tropical and subtropical regions in the intertidal zone, and are influenced by the tide. They are also known as tidal forests and salt marshes. These trees have adapted to live in the harsh and changeable environments found in this region. They can grow in saltwater, tolerate extreme tides, and have a special root system to support themselves in the wet mud. They are one of the most important coastal ecosystems on the planet, serving as a nursery for a wide range of marine species, protecting coastal communities from storms and erosion, and filtering pollutants from runoff water.

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Answer:

Epipelagic Zone

Explanation:

Answer:

algae. I just looked it up. algae are autotrophs meaning they make their own food. I hope this helps!

Answer:

algae is your answer

Explanation:

hope help yiu

Answer:

Mitosis is a type of cell division in which single haploid cell (n) or diploid cell (2n) divides into two haploid or diploid daughter cells that are same as the parent.

Mitosis occurs in somatic cells of plants and animals. In this cell division, the two daughter cells have the same number of chromosomes as that in the parent cells.

Mitosis consists of four basic phases: prophase, metaphase, anaphase, and telophase.

1.Prophase:-

It is the first visible stage in karyokinesis. The chromosomes appear as long coiled threads called chromatids. The chromatin becomes shorter, thicker and visible due to the condensation of DNA. The chromatins are now called chromosomes. Stainability of nucleus increase. Each chromosome starts to splits longitudinally into two sister chromatids. These sister chromatids are attached to each other at the centromere. The nuclear membrane and nucleolus start to disappear and by the end, it will be completely disappeared.

ii. Metaphase:-

Nuclear membrane and nucleolus completely disappears and simultaneously appearance of spindle fibers. Spindle fibers are attached to the centromere of a chromosome. The chromosomes are arranged on the equatorial plane. The process of gathering of chromosomes in equator is called congressional and plate formed is called metaphasic plate.

iii. Anaphase:-

The centromere of each chromosome splits into two sister chromatids and forms two daughter chromosomes. The daughter chromosomes are pulled towards the poles due to the contraction of spindle fibres and stretching of interzonal fibers. During polar movement, the chromosomes show different shapes i.e. J, U, V, L or I shaped in appearance. At the end of anaphase, each pole will get one set of daughter chromosomes. It is the shortest phase and is also known as a migratory phase.

iv. Telophase:-  The daughter chromosomes reach respective poles and uncoil and become thin, long and visible. The spindle fibres start disappearing and finally disappear. The nuclear membrane and the nucleolus reappear.

Two nuclei are formed at the end of telophase. Both the nuclei have the same number of chromosome as the parent cell. It is the last visible stage of karyokinetic and is also known as reorganization phase.

It is followed by cytokines or division of cytoplasm.

Explanation:

The correct option for this question is (d) substrate-level phosphorylation, being an integral part of the whole cycle of glycolysis.

One of the two processes for making ATP, substrate-level phosphorylation, is responsible for creating the ATP molecules generated during the energy payoff phase of glycolysis. When an organic molecule's phosphate group is removed during substrate-level phosphorylation, it is immediately transferred to an accessible ADP molecule, creating ATP.

The intermediate molecules' high-energy phosphate groups are combined with ADP during glycolysis to produce ATP. Two ATP molecules, two NADH molecules, and two pyruvate molecules are produced overall in this glycolysis process from the breakdown of a single glucose molecule.

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Answer:

probably flood

:))

Explanation:

hehehe

Repressor is the molecule that would find bound to the operator if there is no transcription.

It involves preventing a certain gene from being expressed in order to control gene expression. Once connected to the operator, the repressor (a molecule that can prevent the expression of a gene) prevents the next stage of gene expression.

Gene expression is repressed by a process known as negative gene regulation. Factors at Play. By interacting with the promoter region, the activator or transcription factor exerts positive control. The repressor protein binds to the promoter or operator site of the genes to exert negative control.

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Answer:

A) Atoms are hard, solid balls of matter that are the smallest known particles.

When organisms in a community have a contest against each other for life requirements, they are engaging in competition. This can happen when resources such as food, water, and shelter are limited and multiple organisms need them to survive.

The organisms that are better adapted or more efficient at obtaining and utilizing the resources will have an advantage and be more likely to survive and reproduce, while those that are less successful will have a disadvantage and may not survive or reproduce as successfully.

Competition can be a driving force in natural selection, leading to the evolution of traits and behaviors that improve an organism's ability to compete and survive in a particular environment.

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Answer:

A. closest planet to the sun-

Explanation:

I just did the test lol

Answer:

Closest planet to the sun

Explanation:

Mercury is the closest planet to the sun

Answer:

Polarity causes water molecules that become attracted to each other. Cohesion is known for the attachment of two of the same substance.

Explanation:

Answer:

Approximately 100 to 150 mol/L of ATP are required daily

Explanation:

Basically, the human body turns over its weight in ATP daily.

Some of the programs and projects of the local government in your community that should be planned during dry season is development of water conservation policies and programs and wet season is develop flood control and construct new drainage systems

In most communities, both dry and wet seasons often present unique challenges that require the development of appropriate programs and projects by local government. Dry seasons are characterized by extreme temperatures and reduced precipitation while wet seasons are typified by increased rainfall, floods, and erosion. Therefore, the local government must plan programs and projects to address the needs of the people during each season.

Some of the programs and projects that the local government in my community should plan during dry seasons include the development of water conservation policies and programs, construction of new roads and bridges, planting of drought-resistant crops, and education programs on fire prevention, amongst others. During wet seasons, the local government should develop flood control programs, construct new drainage systems, offer relief services to affected residents, and engage in flood management education programs, among others.

These programs and projects are essential in ensuring that the needs of the people are met and that they can effectively navigate the different challenges presented by both dry and wet seasons. In conclusion, local government should plan programs and projects for both dry and wet seasons in order to address the different challenges that the community may face. The programs and projects are aimed at promoting resilience, adaptation, and survival.

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The polarity of water is a major factor that controls the rate of infiltration in soils. This phenomenon is primarily attributed to the unique properties of water molecules and their interactions with soil particles.

Water is a polar molecule, meaning it has a slight positive charge at one end (hydrogen) and a slight negative charge at the other end (oxygen). This polarity arises due to the unequal sharing of electrons between hydrogen and oxygen atoms within the molecule. As a result, water molecules exhibit an electric dipole, with the oxygen side being more electronegative and the hydrogen side being more electropositive.

When water comes into contact with soil particles, which may be composed of minerals or organic matter, the polarity of water plays a crucial role in infiltration. The surface of most soil particles carries a net negative charge (known as a negative surface charge). These charged particles attract the positively charged hydrogen ends of water molecules through electrostatic forces.

This attraction between water molecules and soil particles helps to overcome the force of gravity acting against infiltration. Water molecules bind to the soil particles and create a thin film of water around them. This process is known as adsorption. The adsorbed water molecules create a bridge between soil particles, reducing the friction between them and facilitating further infiltration.

Moreover, the polarity of water also contributes to its cohesive and adhesive properties. Cohesion refers to the tendency of water molecules to stick together, while adhesion refers to the ability of water molecules to adhere to other surfaces. These properties allow water to form continuous columns or chains, enhancing its movement through soil pores and facilitating infiltration.

Additionally, the polarity of water enables it to dissolve various substances. Soil particles often contain ions, organic compounds, and nutrients that are essential for plant growth. Water's ability to dissolve and transport these solutes further aids in nutrient uptake by plants during infiltration.

In summary, the polarity of water is a critical factor influencing the rate of infiltration in soils. Its ability to form hydrogen bonds with soil particles, reduce friction, and facilitate the movement of water through soil pores is essential for efficient water infiltration and nutrient transport in terrestrial ecosystems.

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To determine whether an allele is completely dominant, codominant, or incompletely dominant to the other alleles in a multiple allelic series, we can perform a cross between individuals that carry different alleles for that gene and observe the phenotype of their offspring.

One such locus is the ABO blood group system in humans, which has three common alleles: A, B, and O. The A and B alleles are codominant to each other, meaning that when both are present, both phenotypes are expressed. The O allele, on the other hand, is recessive to both A and B alleles and does not produce any glycoproteins on the surface of red blood cells.

If an individual has two copies of the A allele (genotype AA), they will have type A blood. If an individual has two copies of the B allele (genotype BB), they will have type B blood. If an individual has one copy of each allele (genotype AB), they will have type AB blood. Finally, if an individual has two copies of the O allele (genotype OO), they will have type O blood.

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Using genetic engineering techniques the creation of proteins having only two conflicting signal sequences that specify different compartments will get signals for import into the nucleus and ER. thus option A is correct.

The endoplasmic reticulum (ER) is a large, dynamic structure that performs many functions in the cell including calcium storage, protein synthesis, and lipid metabolism. It is a network of tubules that helps in the movement of protein.

Types of ER:-there are basically two types of ER Rough endoplasmic reticulum in which ribosomes are present and Smooth endoplasmic reticulum in which ribosomes are at the surface of ER.

The main function of ER is the storage of calcium and other accessory materials and the formation of proteins and lipids.

Thus option A is correct.

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Answer:

Detritivores are an important part of ecosystems because they contribute to the decomposition and recycling of nutrients.

Explanation:

hope this helps

Answer:

why not

Explanation:

Answer:

D) Factories and Photosynthesis

Answer:

I think the answer is energy

The cell cycle is comprised of the following steps: Mitosis (prophase, metaphase, anaphase, telophase) and cytokinesis follow interphase (G1, S, G2). During interphase, the cell prepares to divide, organelles duplicate, and DNA replicates in the S phase.

The cell cycle is a four-stage process during which the cell grows (gap 1, or G1), replicates its DNA (synthesis, or S), prepares to divide (gap 2, or G2), and divides (mitosis, or M, stage).

The cell cycle is divided into four stages: gap 1 (G1), synthesis (S), gap 2 (G2), and mitosis (M). A single cell cycle takes about 24 hours for most human cells.

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Dr. Leary argues that muscle contraction occurs because muscle fibers undergo a physical process of shortening. His explanation is a Reduction .

Skeletal muscle fibers become shorter as a result of the interaction between dense and thin strands within sarcomeres, which shortens the sarcomere. Summation happens when multiple cues are combined to cause a stronger muscular contraction.

The combination of several spasms into one continuous movement is known as tetanus. Recruitment is the process by which the quantity of motor units triggered in a muscle grows as the number of motor neurons involved increases.

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Primary function of the plant’s stem is to extracts nutrients .

Primary functions of the stem is to help the leaves, helps to transport water and minerals to the leaves, and transport  products from the leaves to other parts of the plant, including the roots.

Photosynthesis is not a primary function of stem. Photosynthesis is consider as process by which leaves prepare their food in the presence of sunlight by using water and carbon dioxide . Therefore , the main function of stem is to produce leaves, branches and flowers to hold leaves up to the sunlight and also transportation of substances between roots and leaves.

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Explanation:

The brain, skin and bones are genetically related thru DNA.

Gene expression regulates differation of cells...

Answer: Integers are closed under multiplication.

Explanation:

Rational numbers are numbers of the form:

a/b

such that a and b are integers.

The axiom: " Integers are closed under multiplication. "

Says that if we have two integers, x and y, then:

x*y is also an integer.

So if we have two rational numbers,

a/b and c/d

Such that a, b, c and d are integers, and we multiply them, we have:

(a/b)*(c/d) = (a*c/b*d)

the numerator is a*c is the product of two integers, so this is an integer by the previous axiom.

the denominator is b*d, also a product of integers, so this is an integer.

then (a*d)/(b*d) is the quotient of two integers, then this is a rational number.

Answer:

the second one... Integers are closed under multiplication

Explanation:

Answer:

A.

Explanation:

Choice A states, "Human liver cells make proteins that promote homeostasis, and neurons do not." This statement supports that complex, multicellular organisms are composed of specialized cell types with different functions. First, humans are multicellular organisms. Next, Choice A points out the difference between liver and neuron cell function (liver cells can promote homeostasis while neurons do not), which means that the cells that compose a human are specialized with different functions.