If an organism feeds on a plant containing 3500 joules of energy,how much energy will the consumer be able to obtain? A.0.35 Joules B.3.5 Joules C.35Joules D.350 Joules ​

Answer:

A. Glucose:

As lactose is absent will follow the glucose metabolism, so the lac repressor will hold tightly with the operator which leads to the prevention of transcription as RNA polymerase can not bind to promoter so no lactose metabolism.

B. lactose:

In the case or wild mutant lactose metabolism will occur as lactose is present, allolactose binds to the lac repressor thus the operator and promoter are free so transcription starts.  The same result will be in all test except in the case of a mutant repressor.

C. glucose and lactose:

In this case, diauxic growth will occur. This growth takes place when two sugars are present in the media. The preferred sugar will be consumed first That is glucose. Then a lag phase will come which will be followed by the second sugar metabolism that is lactose.  the given two cases :

Lactose will be metabolized first, as operator site mutation prevents repressor protein binding and thus will lead to the constitutive synthesis of lac operon in test B.   The same thing will happen, as in this case also, constitutive synthesis of lac operon will happen in test C.

Cultures grown in the presence of both glucose and lactose are metabolizing lactose. In the test (b) and (c) will be responsible due to constitutive synthesis of lac operon will happen.

Answer:

Origin. 20 out of the 36 body plans originated in the Cambrian period, in the "Cambrian explosion", However, complete body plans of many phyla emerged much later, in the Palaeozoic or beyond.

Answer:

Explanation:

Al igual que la mitosis, la meiosis es una forma de división celular eucariota. Sin embargo, estos dos procesos distribuyen el material genético entre las células hijas resultantes de formas muy diferentes. La mitosis crea dos células hijas idénticas, cada una de las cuales contiene el mismo número de cromosomas que su célula madre.

According to the research, the correct option is A. The statement "Individuals evolve, not populations" is not a primary understanding of the theory of evolution.

It is a theory that explains the gradual and progressive process through which species are modified over time.

In this sense, species change over time and their survival depends on each one; and the variations over time and the degree of adaptation that each presented.

Therefore, we can conclude that according to the research, theory of evolution explains that an alteration in the genetics of a population that could lead to the adaptation of the species to a new habitat or the emergence of a different species.

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When the binding of one ligand strengthens the attraction between substrate molecules and other binding sites, this process is known as positive allosteric modulation (also called allosteric activation).

Modulation in the favor. When one ligand binds to many binding sites, a process known as positive allosteric modulation (also called allosteric activation) takes place.

activated allosterically. when an allosteric activator attaches to an enzyme's particular regulatory site, the enzyme's activity increases. inhibiting allosterically. An inhibitor's binding to an allosteric site causes the active site to change shape. This prevents the substrate from attaching to the active site.

Other substances that either boost or decrease the activity of an enzyme can regulate it. While compounds that inhibit an enzyme's activity are known as inhibitors, molecules that promote an enzyme's activity are referred to as activators.

Therefore, the answer is allosteric activation.

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Answer:

B

Explanation:

the plant can change its form

Answer: Plants need animals for seed dispersal and pollination. ... Some animals eat plants. Some animals eat other animals. When animals die and decompose, the plants use the nutrients that were deposited back into the soil from the decomposing organism.

Explanation:

Between the options in the question the one that if reduced will help slow down the fast rate of the Earth warming is the burning of fossil fuels. Being all the others options that must be increased to slow down the global warming.

Answer: A diverse population of bacteria that is treated repeatedly with the same antibiotic and not all of them die will eventually lead to the emergence of antibiotic-resistant bacteria that will thrive and become dominant. The population's antibiotic resistance level before being exposed to the antibiotic was low or non-existent. The "good" bacteria will die while the antibiotic-resistant bacteria will survive and reproduce. After antibiotic treatment, the population's antibiotic resistance level will be higher than before.

Explanation:

Answer:

The equation that is not necessarily true is D. ALD = BLD. This is because the line of reflection (L) does not necessarily bisect the triangle ABC, so the lengths of ALD and BLD may not be equal.

Explanation:

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starts with sunlight and photosynthesis if you are talking about plants

Answer:

Multicellular organisms such as plants, animals, and fungi are all eukaryotes. They are organisms with cells that possess a nucleus enclosed within the cell membrane, making up the three domains of life Eukaryota.

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The transported tissue that allows water to travel upward from the roots to the leaves is the xylem tissue in vascular plants such as in this case giant sequoia.

The function of the xylem tissue in trees and vascular plants is to transport water and dissolved solutes from the roots to the upper organs, i.e., the shoot and leaves.

Therefore, with this data, we can see that function of the xylem tissue in trees and vascular plants is based on water transport.

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Parasites that cause human disease can be classified into different groups based on their characteristics and the diseases they cause. Here are some examples:

1. Protozoa:

  - Example: Plasmodium falciparum

  - Disease: Malaria

  - Location in Host: Plasmodium parasites reside and multiply within red blood cells.

  - Mode of Transmission: Mosquitoes (Anopheles species) transmit the parasite to humans through their bites.

2. Helminths (Worms):

  - Example: Ascaris lumbricoides

  - Disease: Ascariasis

  - Location in Host: Adult worms reside in the small intestine.

  - Mode of Transmission: Ingestion of eggs present in contaminated food, water, or soil.

3. Nematodes (Roundworms):

  - Example: Enterobius vermicularis

  - Disease: Enterobiasis (Pinworm infection)

  - Location in Host: Adult worms inhabit the large intestine, while females migrate to the perianal area to lay eggs.

  - Mode of Transmission: Ingestion of infective eggs, which are usually transferred from contaminated surfaces or through direct contact with an infected person.

4. Trematodes (Flukes):

  - Example: Schistosoma mansoni

  - Disease: Schistosomiasis (Bilharzia)

  - Location in Host: Adult worms reside in the blood vessels surrounding the intestines and liver.

  - Mode of Transmission: Contact with water bodies infested with freshwater snails that release the parasite larvae, which can penetrate the skin of humans.

5. Cestodes (Tapeworms):

  - Example: Taenia solium

  - Disease: Taeniasis (Tapeworm infection)

  - Location in Host: Adult worms reside in the human intestine, where they attach to the intestinal wall.

  - Mode of Transmission: Consumption of undercooked or raw contaminated meat containing the larvae or ingestion of food or water contaminated with eggs.

It's important to note that this list provides only a few examples, and there are numerous other parasites that can cause diseases in humans. The diseases mentioned here represent a fraction of the many parasitic infections that can occur, and each parasite has its unique characteristics, geographical distribution, and mode of transmission. Proper diagnosis, treatment, and preventive measures are essential for managing these parasitic infections.

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Deforestation and the burning of fossil fuels such as coal and oil, are the two main causes of higher concentrations of carbon dioxide in the atmosphere.

The statement "Deforestation and the burning of fossil fuels such as coal and oil have led to higher concentrations of carbon dioxide in the atmosphere" refers to the fact that human activities have significantly increased the amount of carbon dioxide in the atmosphere, leading to a rise in global temperatures and climate change.

Deforestation contributes to this problem by reducing the amount of trees that absorb carbon dioxide during photosynthesis, while the burning of fossil fuels releases stored carbon into the atmosphere. These actions have negative impacts on the environment, including increased global temperatures, rising sea levels, and more frequent extreme weather events.

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--The complete question is, Deforestation and the burning of ___________ such as coal and oil, are the two main causes of higher concentrations of carbon dioxide in the atmosphere.--

Answer:

The correct answer is "identify the order in which rock units formed".

Explanation:

Relative dating methods are experimental approaches that allow to identify the relative order of past events. Instead of determining the absolute age of samples such as rocks or fossils, relative dating methods correlate which samples are older. Therefore, relative dating methods help scientists to identify the order in which rock units formed.

Plants have the fewest similarities with the other two groups of organisms.

Plants generally comprise all living organisms that have chlorophyll and are able to manufacture their own foods by photosynthesis.

Animals, on the other hand, are living organisms that cannot manufacture their foods and are mobile. Animals are either vertebrates or invertebrates.

Plants qualify as living organisms because they are able to feed, excrete, reproduce, grow, respond to stimuli, die, and carry out other basic characteristics of living organisms.

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(Work together to make you who you are)

DNA, genes and chromosomes work together to make you who you are. Chromosomes carry DNA in cells. DNA is responsible for building and maintaining your human structure. Genes are segments of your DNA, which give you physical characteristics that make you unique.

Methionine (AUG)Amino acids can be abbreviated using the first three letters of their name.

Methionine can be abbreviated as Met.

The given RNA sequence is AUGUAACGAUGCGUCGUGGCAUCAUGCUGCGUCAGCGGCGAGUCUGACCCGUCUCUAACAGGACGGCCGGGCGUUGUCGUUGA.

We can use the codon chart to determine the amino acid sequence.

The codon chart is used to determine which amino acid is coded by a particular codon in a strand of DNA/RNA.A codon is a sequence of three nucleotides in DNA or RNA that encodes for a specific amino acid.

Each codon codes for a different amino acid.

For example, the codon AUG codes for the amino acid methionine.

To determine the amino acid sequence, we start reading the RNA strand from the start codon AUG and continue reading until we reach a stop codon (UGA, UAA, or UAG).

Then we write down the amino acid sequence for the codons we read, using the codon chart.

Here, the sequence starts with AUG, which codes for methionine.

After that, the next codon is UAA which is a stop codon, so we can stop.

The amino acid sequence is therefore Methionine. So, the answer would be Methionine (Met).

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Answer:

B. Cellular respiration breaks down glucose, while photosynthesis produces glucose.

Photosynthesis and cellular respiration are complementary processes that are interconnected and interdependent in the living world. Photosynthesis is the process by which plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose and oxygen. This process occurs in the chloroplasts of plant cells.

Explanation:

Answer: The A, B, and Rh antigens are located on the surface of red blood cells.

Explanation:

Answer:

observation

Explanation:

Answer:

This is an observation

Explanation:

An inference is an educated guess. As you used a measurement tool, you observed the temperature today. Observations are data.

The occipital lobe in the left hemisphere of the brain receives visual information from the  

b. right side of the visual field of both eyes.

This phenomenon is known as contralateral processing, where the left hemisphere receives information from the right side of the body and vice versa. The right visual field is processed by the left occipital lobe, while the left visual field is processed by the right occipital lobe. This is because visual information from each eye is transmitted to both hemispheres of the brain, with each hemisphere processing information from the opposite visual field. The occipital lobe is responsible for processing visual information, such as recognizing shapes, colors, and objects, and creating a coherent visual perception of the environment. Therefore, the left occipital lobe plays a crucial role in the processing of visual information from the right visual field.

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Mass is measured by balance and weight is measured by balance.

Two pans are located on either side of a lever in the pan balancing scale. To achieve balance and determine the weight of the other thing, weights are placed on one side of the object and on the other side. Typically, the mass is expressed in grammes or kilogrammes.

Because of its practicality and accuracy, comparative weighing is frequently used to compare two things' masses rather than their absolute values. When preparing reagents and stock solutions, a top pan balance is typically used for rough weighing because minor weight differences do not significantly affect the outcome of analysis.

Two pans are integrated into this particular laboratory scale on either side of a lever. It has two separate applications. 

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When Thing 1: It has a mass measured by a pan balance. Thing 2: It takes the shape of a container. Then Both objects are matter statement is true.

Any substance with mass and which has volume is considered matter because it occupies space.

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Discussing a hypothetical choice, the Preferred Provider Organization (PPO) plan, which is a type of managed care health insurance plan.

Here are the reasons why one might choose a PPO plan:

While PPO plans have their advantages, there are also some drawbacks to consider:

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Explanation:

A trophic level refers to the position of an organism in a food chain, based on what it eats and what eats it. The first trophic level consists of primary producers, such as plants, that convert energy from the sun into organic matter through photosynthesis. The second trophic level consists of herbivores that feed on primary producers, while the third trophic level consists of carnivores that feed on herbivores, and so on.

The size of a population at a particular trophic level can be influenced by a variety of factors, such as the availability of food, the presence of predators, competition for resources, and environmental conditions. For example, if the population of primary producers in an ecosystem is large and healthy, this can support a larger population of herbivores that feed on them. Similarly, if the population of herbivores is large and healthy, this can support a larger population of carnivores that feed on them.

the relationship between trophic level and population size is complex and can be influenced by a variety of factors. The size of a population at a particular trophic level is dependent on the availability of resources and environmental conditions, as well as the interactions between different species in the ecosystem.

Explanation:

I think you mean - Trophic Level not 'tropic level'

In general, as you move up the trophic levels, there tends to be a decrease in population size. This is because each level of the food chain supports a smaller number of organisms than the level below it, due to the transfer of energy and nutrients from one level to the next.

See in the pyramid below, energy is lost in this transfer between trophic levels (usually around 90%).  

Answer: Many Genes, Many Proteins. The expression of a multitude of genes is required for the characteristic known as skin color. This expression results in a continuous palette of skin color. The skin pigments, eumelanin and pheomelanin are synthesized in melanosomes, which form in melanocytes.

Explanation:

Two important reasons are listed here:

- Pre-australopithecines show evidence of bipedalism but they lived in forested areas  

- Ardipithecus ramidus is a human ancestor that lived in a wooded environment approximately 4.2 to 4.5 million years ago

The savanna hypothesis states that early hominid traits were selected in response to increased aridity conditions and the emergence of savanna landscapes (i.e., open grasslands), as forests receded. This hypothesis enables us to understand better the evolution of bipedalism.

Pre-Australopithecines represent the oldest hominids that date from at least ​7 to 4.4 million years ago (mya), depending on the species. Pre-australopithecines show evidence of bipedalism (and/or dentition similar to the later hominins who exhibit bipedalism), but it has been shown that they lived in forested areas. Therefore, this observation contradicts the savanna hypothesis which states that bipedalism evolved as an adaptation to the savanna.

Ardipithecus ramidus is a human ancestor dating to between 4.5 and 4.2 mya. The Ardipithecus ramidus fossils were discovered in Ethiopia alongside faunal remains, thereby indicating they lived in a wooded environment. In consequence, Ardipithecus ramidus fossils contradict the open savanna explanation for the origin of bipedalism.

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Answer:

The main function of the RB protein is to inhibit the transition from the G1 to S phase. Its activity depends on its phosphorylation state: if RB is not phosphorylated (active state), it is bound to the transcription factor E2F, preventing its translocation to the nucleus and the activation of genes necessary for DNA synthesis; and if it is phosphorylated, by cyclin-CDK complexes, E2F is released and cell proliferation occurs.

Explanation:

Retinoblastoma (Rb) was the first tumor suppressor described and, as we know today, mutations in its structure determine a large number of cancers. Structurally, we speak of a large and multifunctional protein; which is organized in different domains. The activity of this protein is regulated, mainly, by phosphorylation at multiple sites described over the years and is involved in control mechanisms of the cell cycle, apoptosis and senescence.

Answer:

19th century They were extinct do to Hunting

Explanation:

They were extinct do to Hunting