Question 1 (5 points)
What's the role of the sun's gravity in the solar system?
A) Prevents the sun from falling into a black hole
B) Slowly pulls the planets toward the sun
C) Slowly pushes the planets away from the sun
D) Keeps the planets orbiting around the sun

Answer: B waterfall

Explanation: Waterfalls can't breathe lol. Plant are living things so the only thing on the list that isn't alive is water.

SORRY ITS WRONG B IS THE ANSWER.

The characteristics that indicate that an animal is Cnidarian are: muscle tissue, a nervous system, and stinging cells.

Cnidarians are the animals that belong to the phylum Cnidaria of kingdom Animalia. The phylum consists of mostly marine and a few freshwater animals. The beginning of nervous system is seen from this phylum. They have a tissue level of organization. The examples are Sea anemone, Jellyfish, Corals, Hydra, etc.

Stinging cells are the characteristic of phylum Cnidaria and they are called Cnidocytes. The role of these cells is to help in capturing the prey. These cnidocytes also contain an organelle called nematocysts that contain some poisonous fluid.

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Answer:

D

Explanation:

This is because circulation is blood,respiration and competition have no relation to changing the DNA of an organism

Here is an analysis of the changes in vegetation and species diversity based on the data:

In the first years after logging, the area was dominated by grasses, with 32 species present after 1 year. Shrubs and trees were initially absent. This indicates that grasses rapidly colonized the disturbed area after logging.

Over time, the number of grass species declined as shrubs and trees became established. Shrubs first appeared after 5 years and gradually increased, with 18 species present after 45 years. Trees were absent for the first 15 years but then increased to 24 species after 45 years.

The total number of species showed a steady increase over the 45 years, from 32 species initially to a maximum of 77 species after 45 years. This indicates that species diversity was low immediately following the disturbance but gradually recovered and surpassed the original diversity levels.

The pattern of changes suggests that after the initial disturbance of logging, grasses were the first vegetation to recover and colonize the open area. Then over time, shrubs and trees established and the plant community transitioned from grasses to shrubs to trees. This successional progression from early to later species resulted in an overall increase in species diversity as different types of plants colonized the area.

In summary, the key conclusions supported by the data are:

Answer:

Metamorphic rock is marble type of rock

Explanation:

When a mutation alters a protein that plays a critical role in the body, it can disrupt normal development or cause a medical condition. A condition caused by mutations in one or more genes is called a genetic disorder. In some cases, gene mutations are so severe that they prevent an embryo from surviving until birth.

Answer:

. Positive change to the organism

. Negative change to the organism

Explanation:

Answer:

The theories are: 1. The Chemical Coupling Theory 2. The Conformational Coupling Theory and 3. The Chemiosmotic Coupling Theory.

Explanation:

A sample suspected of containing Acanthamoeba species may be cultured by placing it on an agar plate overlaid with E. coli?

Acanthamoeba is a genus of amoeba commonly obtained from soil, freshwater, and other habitats. Acanthamoeba has two evolved forms: metabolically active trophozoites and quiescent, stress-tolerant cysts. Acanthamoeba can cause granulomatous encephalitis (GAE); a severe usually fatal, brain and spinal cord infection.

Acanthamoeba skin infections that have not spread to the CNS (central nervous system) can be successfully treated. Because the infection is serious and infected people generally have weakened immune systems, early diagnosis increases the chances of recovery.

Acanthamoeba is distributed in air, soil, lakes and seas. Most infections originate from fresh water such as tap water, pools, hot tubs, showers, and sewage systems.

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Answer:

I'm pretty sure it is b because CD4 cells are the cells that are a glycoprotein

Explanation:

Answer: D. esophagus

Explanation: Because esophagus uses muscles and does not use enzymes to digest. It only transports food to the stomach and then goes further into the digestive system.

Why not your mouth because it uses the enzyme Amylase, which helps break down complex carbohydrates. It is also produced by the mouth. Lipase, which breaks down fats. Protease is a protein-breaking enzyme that breaks down proteins.

Your stomach also uses enzymes as your intestine.

I hope I helped!

Degradation of nucleotides, such as the nitrogen-containing bases adenine and thymine, produces Uric acid. If blood concentrations of this compound are too high, crystals may precipitate out and collect in the joints, producing a painful ailment called Gout.

Uric acid is a waste product of the body generated in the metabolism of purines which is well known to be part of nucleotide metabolism (i.e.,  adenine and thymine) and they are heterocyclic organic compounds that consist of two rings, and generates goat when it is not excreted properly.

Therefore, with this data, we can see that Uric acid is generated by the body as a waste produced in the metabolism of adenine and thymine.

Complete question:

Fill in the blank. Degradation of nucleotides, such as the nitrogen-containing bases adenine and thymine, produces ____________ . If blood concentrations of this compound are too high, crystals may precipitate out and collect in the joints, producing a painful ailment called.

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1. The ever-growing development of nations accelerates their impact on Earth, as they consume more resources and energy and heighten their industrial and urban expansion. It`s worth noting that even though developed countries have a greater environmental impact, developing countries also face substantial ecological hurdles as they aim for growth and expansion.

2. Biocapacity refers to the ability of an ecosystem or region to support human populations by providing resources such as food, water, and energy, as well as absorbing waste and pollution.

3. According to worldmapper.org, the highest level of poverty is found in sub-Saharan Africa, particularly in countries such as Niger, Central African Republic, and Chad. The highest population levels are found in Asia, particularly in China and India.

4. According to the video ‘‘Human Population Impacts‘‘ by Bozeman Science, the US has grown larger in size both in terms of population and resource use over time.

5. The impact of a large economy on the environment depends on how it is managed and regulated. While a large economy can provide opportunities for innovation and investment in sustainable technologies, it can also lead to increased consumption and production that can have negative environmental impacts.

discuss the role on how a school can help to remove social problem and evil . prepare a report.

Answer:

Explanation:

A completely shaded circle or square indicates that a person expresses the trait. A circle or square that is not shaded indicates that a person neither expresses the trait nor is a carrier of the trait.

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The lactose operon is like a group of genes that help break down lactose, which is a sugar found in milk. And if a bacterium wants to use lactose for energy, it needs to break it down first.

So, if scientists wanted to engineer a bacterium that could triple the digestion of lactose in the operon, they might add or subtract certain parts of the operon to make it more efficient at breaking down lactose. For example, they might add extra copies of genes that are responsible for breaking down lactose, or they might remove parts of the operon that are slowing down the digestion process.

But, like, to be honest, I'm not really sure exactly which parts they would add or subtract. I think it would depend on the specific bacterium they're working with and the specific genes in the lactose operon. And the scientists would need to do a lot of experiments and testing to figure out what works best.

Hope this helps!

Answer:

c. X: commensalism

Y: Parasitism

Z: Mutualism

Explanation:

X: commensalism

Rationale: in this type of relationship, only one organism benefits while the other does not benefit and is also not harmed in anyway. Whale doesn't benefits and it's not harmed by the Barnacles that benefits from the association.

Y: Parasitism

Rationale: in parasitism, one organism suffers while the other benefits in the relationship.

The fleas on warm-blooded animals is the organism that benefits solely from the association while the animals suffer.

Z: Mutualism

Rationale: in this relationship, both organisms benefit from the association and do not harm each other.

The Fungal and plant roots benefit each other.

Answer:

A. Catalyst

Explanation:

A catalyst is a substance that speeds up the chemical reaction but does not participate in the reaction.

Hope it helps!

Francesco Redi performed his experiment against the theory of spontaneous generation. In his experiment, he takes one glass jar and a piece of flesh and analyzes them in three different situations.

Francesco Redi performed his glass jar experiment in order to illustrate the evidence against the theory of spontaneous generation.

He demonstrate that dead maggots or flies would not generate new flies when positioned on rotting flesh in a sealed jar, whereas live maggots or flies would have the capability to grow some eggs of maggots.

This experiment discredited both the presence of some essential components in once-living organisms and the requirement of fresh air to induce living life.

The complete question is as follows:

Which choice best summarizes the outcome of Redi‘s experiment?

Therefore, the correct option is B, i.e. Evidence against the theory of spontaneous generation.

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The somatic motor system relays instructions to muscles more quickly because it involves only one motor neuron, whereas the ANS uses a two-neuron chain. Moreover, axons of somatic motor neurons are typically heavily myelinated, whereas preganglionic autonomic axons are lightly myelinated and postganglionic axons are non myelinated.

The lateral component of the somatic motor system controls the premotor interneurons and motoneurons of the distal muscles. This component consists of two pathways—the lateral corticospinal and the rubrospinal pathways. In humans, the lateral corticospinal pathway subserves the control of the independent movements of the extremities. It controls the motoneurons via direct projections as well as indirectly via strong projections to the laterally located premotor interneurons.

The motoneurons innervating the muscles of the distal limbs receive the strongest direct projections from the motor cortex. This descending system enables humans to make most refined and extremely complex movements, such as independent finger movements and speech, the most complicated motor performance. In most mammals, both the lateral corticospinal and the rubrospinal pathways are important, but in humans the rubrospinal pathway seems to be irrelevant. The somatic motor system relays instructions to muscles more quickly because it involves only one motor neuron, whereas the ANS uses a two-neuron chain. Moreover, axons of somatic motor neurons are typically heavily myelinated, whereas preganglionic autonomic axons are lightly myelinated and postganglionic axons are non myelinated.

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EOS lip balms stand out due to their innovative design, natural ingredients, variety of flavours, long-lasting formula, and commitment to quality and user satisfaction.

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Note: The correct question would be as

What are the key advancements and improvements in EOS (Evolution of Smooth) lip balms compared to traditional lip balms?

Thermohaline circulation would prevent ice caps and ice sheets from melting.

Thermohaline circulation is a component of large-scale ocean circulation caused by global density gradients caused by surface heat and freshwater fluxes. Deep water formation, spreading of deep waters partly through deep boundary currents, and upwelling and near-surface currents are all important features of the thermohaline circulation, resulting in a large-scale deep overturning motion of the oceans.

It constantly replaces deep seawater with surface water and gradually replaces surface water elsewhere with water rising from deeper depths. Despite its slowness, this process moves enormous amounts of water, which transports heat, nutrients, solids, and other materials over long distances.

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Answer:

greenhouse gases produce or a heat from the sun bringing about global warming

The mode of inheritance in this pedigree is Y-linked.Therefore, the correct option is 3.

The genes that are found on the Y chromosome can be inherited through a process known as Y-linked inheritance. The X and Y chromosomes are the sex chromosomes of male mammals like humans.

The Y chromosome has fewer genes than the X chromosome because it is smaller. In addition, they are also necessary for sperm formation, healthy hormone output, and other features unique to males.

The pedigree given here is the case of Y-linked inheritance because each male generation is of showing this inheritance and the same is being followed in the family 5.Hence, the correct option is 3.

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The mode of inheritance in this pedigree is Y-linked.Therefore, the correct option is 3.

Y-linked inheritance is a type of genetic inheritance that occurs exclusively through genes located on the Y chromosome. The Y chromosome is one of the two sex chromosomes in humans, and it is typically only present in males.

Since females do not have a Y chromosome, they cannot inherit traits that are exclusively Y-linked. In males, however, any genetic variation on the Y chromosome is passed on directly from father to son.

Y-linked inheritance is relatively rare compared to other types of inheritance because the Y chromosome is small and contains relatively few genes. Some examples of traits that are known to be Y-linked include male-specific infertility, hair loss, and some types of color blindness.

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Answer:

For Gregor Mendel, pea plants were fundamental in allowing him to understand the means by which traits are inherited between parent and offspring. He chose pea plants because they were easy to grow, could be bred rapidly, and had several observable characteristics, like petal color and pea color.

Explanation:

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The conversion of sunlight into electricity using photovoltaic cells (7 letters).

A greenhouse gas released from burning fossil fuels (6 letters).

The process of capturing and storing carbon dioxide emissions underground (10 letters).

The primary source of energy for the Earth (6 letters).

A renewable energy source that utilizes the force of moving water to generate electricity (8 letters).

The process of using nuclear reactions to release a large amount of energy (8 letters).

Down:

2. The phenomenon of the Earth's average temperature gradually increasing due to human activities (11 letters).

A device that converts mechanical energy into electrical energy (9 letters).

The practice of using less energy and being more mindful of energy consumption (8 letters).

The process of splitting atoms to release energy (9 letters).

Please note that these clues are based on common terms and concepts related to energy and global warming.

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Answer:

Most are unicellular and prokaryotic. Types of molecules that distinguish bacteria and archaea. Bacteria have a unique compound called peptidoglycan in cell walls. Archaea have unique phospholipids in their plasma membrane and hydrocarbon tails that contain isoprene.

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Explanation:

Since they take part in each of the cell's metabolic processes, proteins in this instance might be thought of as the "workers" of the cell. Recall that proteins are what make up enzymes, and that they catalyse

What exactly are macromolecules and what do they do?

a number of reactions to support the viability of the cell. For instance, the ATP synthase enzyme works in the mitochondria to make ATP.

Mitochondria: a component of the respiration process that produces ATP as a source of energy

DNA storage and transcription take place in the nucleus.

Ribosomes: the building block of proteins

Destroy unwanted proteins with the proteasome.

What use does a large protein molecule serve?

The replication and transcription of DNA, as well as the production, processing, and secretion of other proteins, are all activities that this broad class of macromolecules participates in. They regulate the passage of materials and data within and outside the body as well as cell division and metabolism.

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Since they take part in each of the cell's metabolic processes, proteins in this instance might be thought of as the "workers" of the cell. Recall that proteins are what make up enzymes, and that they catalyse

a number of reactions to support the viability of the cell. For instance, the ATP synthase enzyme works in the mitochondria to make ATP.

Mitochondria: a component of the respiration process that produces ATP as a source of energy

DNA storage and transcription take place in the nucleus.

Ribosomes: the building block of proteins

Destroy unwanted proteins with the proteasome.

The replication and transcription of DNA, as well as the production, processing, and secretion of other proteins, are all activities that this broad class of macromolecules participates in. They regulate the passage of materials and data within and outside the body as well as cell division and metabolism.

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