which step of protein synthesis does not utilize a protein factor?
initiation complex fomation IRNA selection peptidc bond formaton translocallon termination

Answer:

B. attract pollen-gathering insects

Some flower species have marks visible only to insects with the ability to see waves of ultraviolet light, to attract pollen-gathering insects.

Ultraviolet flowering photography gives us a hint of what flowers look like to pollinators. Insects see the world very differently than humans do. They can't see red light like we can, but they can see ultraviolet wavelengths invisible to the human eye.

With this information, we can conclude that some flower species have marks visible only to insects with the ability to see waves of ultraviolet light, to attract pollen-gathering insects.

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Answer:

an arrow could represent the directions in which the force exerted moves towards

Part A

Answer: (A) Candida Albicans and Saccharomyces Cerevisiae

Explanation: They have the smallest difference in Cytochrome C

Part B

Answer: (B) The two species have high molecular homology

Explanation: Molecular homology means resemblances between species on the molecular level. Since the two species from the answer in Part A have the smallest difference in Cytochrome C it means they have high molecular similarities; this is due to evolving from the same common ancestor.

According to the diagram above, the layer where a green, crystalline igneous rock called peridotite is most likely to the found is D.

A rock can simply be defined as the solid minerals of the earth. There are different types of rocks, namely:

So therefore, according to the diagram above, the layer where a green, crystalline igneous rock called peridotite is most likely to the found is D.

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Matching each layer of the atmosphere with the appropriate description:

Troposphere: Almost all the weather occurs

Stratosphere: The atmosphere is protected

Exosphere: Living things are protected from dangerous radiation

Thermosphere: Solar activity such as auroras occur

The troposphere is the lowest layer of the atmosphere, extending from the Earth's surface up to an altitude of about 7-20 kilometers. It is where weather phenomena, such as clouds, rain, and storms, take place. The troposphere is characterized by decreasing temperature with increasing altitude.

The stratosphere is located above the troposphere, extending from about 20 to 50 kilometers above the Earth's surface. In this layer, the concentration of ozone is higher, forming the ozone layer. The ozone layer plays a crucial role in absorbing harmful ultraviolet (UV) radiation from the Sun, protecting life on Earth from the damaging effects of excessive UV radiation.

The exosphere is the outermost layer of the atmosphere, starting around 500 kilometers above the Earth's surface. It is a transitional region between Earth's atmosphere and outer space. In the exosphere, the atmosphere becomes extremely thin, consisting mainly of individual gas molecules and ions. This layer provides protection to living things from dangerous radiation, as the high altitude and low density of particles limit the absorption of harmful radiation.

The thermosphere is located above the mesosphere and extends up to about 600 kilometers or higher. It is characterized by high temperatures, reaching several thousand degrees Celsius, although the density of particles is very low. The thermosphere is where solar activity, such as the occurrence of auroras (northern and southern lights), takes place. The highly energetic particles from the Sun interact with the gases in this layer, resulting in the beautiful displays of auroras.

It's important to note that the layers of the atmosphere are not sharply defined boundaries but gradually transition into one another. The atmosphere is a complex system with interactions between the layers and various processes occurring throughout. Understanding the different layers and their characteristics helps us comprehend the dynamic nature of our atmosphere and its role in supporting life on Earth.

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Forest vegetation is any mix of trees, saplings, shrubs, and plants that coexist in an area under disturbed or undisturbed circumstances in different forested plant communities, hence option C is correct.

The quantity of fresh water and sediment reaching the shore has been altered as a result of dredging channels, diverting rivers, and erecting dams, which have an effect on natural ecosystems and landforms.

There are five main categories of vegetation regions: forest, grassland, tundra, desert, and ice sheet.

Kinds of plants may grow there depending on a variety of factors including climate, soil, water-holding capacity, and slope. Additionally, woods protect watersheds, stop soil erosion, and reduce climate change.

in the Inland South before the human occupation of forests, vegetation predominated, hence option C is correct.

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Answer:

Fertilization

Explanation:

Binary fission is when single parent cell doubles it’s DNA, then divides into two cells. (usually in bacteria).

Budding is the small growth on surface of parent breaks off, resulting in formation of two individuals. (ex: yeast)

Fragmentation is when organisms break into two or more fragments that develop into a new individual. (occurs in many plants and some animals like starfish)

Variation can be defined as the difference in the appearance of the individuals that belong to the same population.

Variation can also be explained as the extremes and diverse appearances and differences. There are various types of variations. Genetic variation is the alteration and the difference in the DNA sequence that separated an individual from a population. The examples of genetic variation can be the color of the eyes, texture of skin and hair. That variation can be observed in the germ cells and somatic cells. Environmental variation is the variation which are not inherited by the people from their genes but they are a result of their environment and surroundings.

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Answer:

A.

B.

E.

Explanation:

Aerobic respiration will yields 36 ATP molecules and starts with the process of glucose molecules.

The respiration in which glucose molecules produces energy in the form of ATP is called aerobic respiration.

The aerobic respiration produces 36 ATP molecules. Fermentation will produce lactic acid. Aerobic respiration consists of three stages such as glycolysis, ETC cycle.

The conversion of fuel, such as fats and sugars, into chemical energy is known as aerobic respiration. Anaerobic respiration, in contrast, doesn't require oxygen.

Therefore, Aerobic respiration will yields 36 ATP molecules and starts with the process of glucose molecules.

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Answer:

Natural selection and selective breeding can both cause changes in animals and plants. The difference between the two is that natural selection happens naturally, but selective breeding only occurs when humans intervene. For this reason, selective breeding is sometimes called artificial selection.

Explanation:

Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways. This variation means that some individuals have traits better suited to the environment than others.

Artificial selection is the identification by humans of desirable traits in plants and animals, and the steps taken to enhance and perpetuate those traits in future generations.

Ants and peony plants have a mutually beneficial relationship where ants assist in flower opening and pollination, while the peony plant provides food for the ants.

The statement describes a mutualistic relationship between ants and peony plants. Peony flowers have a unique characteristic where they require a certain amount of force to open fully. Ants, due to their size and weight, are able to exert the right amount of pressure on the petals, aiding in the opening of the flowers. This allows the peony plant to successfully reproduce by attracting pollinators.

In return for their assistance in flower opening, the peony plant provides a source of food for the ants. The plant may produce nectar or other sugary substances that serve as a reward for the ants. Additionally, as the ants move around the flowers, they inadvertently transfer pollen from one flower to another, facilitating pollination and ensuring the plant's reproductive success.

This mutualistic relationship between ants and peony plants is an example of how different species can interact and benefit each other in the natural world.

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Answer:

A. Copper.

Explanation:

Silver and Copper are the best conductors.

Answer:

c

Explanation: this is the correct answer

Answer:

Correct answer: c) it prevents minerals in the water from flowing into the cell

Giant tube worms are marine invertebrates , it can survive in a complete darkness at depth of 5.280 feet. They inhibit the areas near the hydrothermalvent that release extremely hot water filled with minerals, which help them to maintain a constant environment inside the cell.

Giant tube worm live in a symbiotic relationship with microorganism . Bacteria prepare food in return to accommodation. It do not have eye, leg and stomach.

Answer:

process by which green plants and certain other organisms transform light energy into chemical energy.

Explanation:

Answer:

Msg nhi jare aapko

Explanation:

Process by which green plants make their own food

Answer: hydrogen bonding in water molecules thus water molecules are held together by force making water surface appear like a net.

Explanation:

Answer:

adaptation

Explanation:

the roaches adapt to their small environment and get smaller due to evolution

A receptor is a sensor that monitors the environment and responds to changes by sending information along a pathway to a control center.

In the field of biology, a receptor can be described as the part of the body that detects a change in the external environment. Receptors are usually nerve endings present in the sensory organs of the body. For example, when your hand touches something hot, the nerve endings of the skin of your hand detect it.

The sensory receptors, after detecting changes in the external environment, send signals to the control center of the body. The control center is the central nervous system of which the brain and spinal cord are a part.

The control center interprets this information and sends a response through the effector motor neurons.

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Answer:

All land uses have an effect on water quality, whether positive or negative. ... In built-up areas with pavement and buildings, little rainfall soaks into the soil, causing high runoff, stream flows with high peaks and low flows in between, and poorer water quality.

Explanation:

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Answer:

Surface-Water Contamination and Land Use A variety of natural and human factors can affect the quality and use of streams, lakes, and rivers, known as surface water. One of the most important factors that can affect the quality of a surface-water body is the land use within its watershed.

Explanation:

Organisms may experience decreased growth and reproduction rates and Ecosystems may experience changes in food webs and trophic interactions. The correct option are A and C.

Ecosystem is short for ecological systems. Ecosystems are the subject of ecology. All the living creatures (plants, animals, and organisms) in a particular region that interact with one another and their non-living surroundings make up an ecosystem (weather, earth, sun, soil, climate, atmosphere).

It could serve as a home for untamed animals and flora. It encourages different food webs or food chains. It preserves both life and essential ecological processes. helped the abiotic components to distribute nutrients.

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The complete question is -

How might a drop in free energy availability affect organisms, populations, and/or ecosystems? Select all that apply.

A. Organisms may experience decreased growth and reproduction rates.

B. Populations may decline due to increased competition for limited resources.

C. Ecosystems may experience changes in food webs and trophic interactions.

D. Organisms may adapt and evolve to cope with the changes in energy availability.

E. Populations may become more diverse in order to exploit new energy sources.

Answer:

i think it is B .

Answer:The answer is D, because there would not be enough DNA, and that could lead to self-destruction, B is wrong

Among the frequent contributors of water contamination include sewage disposal, industrial chemical spills, agricultural runoff, etc.

A secondary pollutant is created when other pollutants (primary pollutants) react with the atmosphere, rather than being directly released as such.

The primary reasons of water pollution are microorganisms, parasites, insecticides, pharmaceuticals, plastics, fecal matter, radioactive matters, fertilizers, and pesticides.

Therefore, Pollutants, both primary and secondary. A primary pollutant is a substance that is released into the air directly from a source.

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Answer:

These cells are Eukaryotic and are autotrophic

Explanation:

These are the cells of onion. An oinion is a plant and because it is a plant it is autotrophic meaning they make their own food. Also plants are eukaryotic which means they have a nucleus.

The respiratory system helps to control acid-base balance by regulating the level of carbon dioxide in the blood, which in turn affects the blood pH.


The respiratory system plays a significant role in maintaining acid-base balance in the body. It helps regulate blood pH by controlling the levels of carbon dioxide (CO₂) in the blood. When we breathe in air, oxygen enters the lungs and is transferred to the blood. When we exhale, CO₂ is removed from the body. The lungs regulate CO₂ by increasing or decreasing the rate of breathing.

If the blood pH is too acidic, the respiratory system increases the rate of breathing to get rid of more CO₂, which helps to make the blood more basic. On the other hand, if the blood pH is too basic, the respiratory system slows down the rate of breathing, which allows more CO₂ to build up in the blood, making it more acidic.

Overall, the respiratory system's ability to control CO₂ levels in the blood is a key factor in regulating the body's acid-base balance.

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Answer:

DNA replication

The pattern of shared bones in all the tetrapods is "one bone, two bones, many and then digits".

The humerus in the arm and the femur in the leg are two bones that articulate with a series of tiny blobs that link with the fingers or toes. All limb architecture is based on this design. In this manner, all the tetrapods share a common skeletal architecture.

The four limbs of tetrapods serve as an illustration of homologous features. Mice, crocodiles, birds, bats, and bats all have four limbs. Bony fish and sharks don't. Tetrapods evolved four limbs, and their offspring have retained this trait. Having four limbs is therefore a homology.

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Because of a random confluence of circumstances including a volcanic eruption, a downpour, and further ashfall, the Laetoli footprints were created and preserved.

These findings support the idea that significant evolutionary changes to hominin bipedalism occurred within the last 3.66 million years, as the Laetoli footprints offer a clear snapshot of an early hominin bipedal gait that likely involved limb posture that was slightly but significantly different from our own. Myr

Seven million years ago, the oldest known human forebears were discovered there. In 1978, the oldest known biped was discovered there.

The earliest stone tools were created by Homo habilis during the early Stone Age, often known as the Lower Paleolithic.

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The term for pertaining to pancreatic islet cells is "islet" or "islets of Langerhans".

The term "islets of Langerhans" refers to clusters of cells in the pancreas that secrete hormones that regulate blood sugar levels. These cells are named after Paul Langerhans, a German pathologist who discovered them in 1869. The islets of Langerhans are composed of five types of cells, each of which produces a different hormone. The alpha cells produce glucagon, the beta cells produce insulin, the delta cells produce somatostatin, the PP cells produce pancreatic polypeptide, and the epsilon cells produce ghrelin.

Insulin and glucagon are the two primary hormones produced by the pancreas. Insulin is released when blood sugar levels are high, and it stimulates cells to take up glucose from the blood. Glucagon is released when blood sugar levels are low, and it stimulates the liver to release glucose into the blood. Somatostatin is a hormone that inhibits the secretion of insulin and glucagon, while pancreatic polypeptide and ghrelin have other functions in the body. The dysfunction of islet cells can lead to a variety of health problems, including diabetes mellitus. Diabetes is a metabolic disorder that is characterized by high blood sugar levels, which can cause damage to various organs and tissues in the body.

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