humans derive no energy from the cellulose molecules in brussels sprouts. does this imply that cellulose molecules, and brussels sprouts in general, are low in chemical energy?

After Pavlov had conditioned his dogs to salivate to the bell, repeatedly presenting the bell without presenting the food would result in the process of extinction. Therefore, the answer is d. Extinction.

Pavlov's classical conditioning experiment involved pairing a neutral stimulus (a bell) with a biologically significant stimulus (food) until the neutral stimulus alone became associated with the response (salivation) that was previously only elicited by the biologically significant stimulus (food). After conditioning, the bell alone was able to elicit salivation in the dogs.

To investigate the process of extinction in classical conditioning, Pavlov repeatedly presented the bell (neutral stimulus) without presenting the food (biologically significant stimulus). Over time, the dogs learned that the bell no longer predicted the arrival of food, and the association between the bell and salivation weakened. This process of weakening of the conditioned response due to the repeated presentation of the conditioned stimulus without the unconditioned stimulus is called extinction.

In summary, extinction is the process of weakening the conditioned response by repeatedly presenting the conditioned stimulus without the unconditioned stimulus. Therefore, in Pavlov's experiment, the presentation of the bell without food resulted in extinction of the conditioned response, which was salivation in dogs.

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Answer:

Explanation:

Calcination is a process in which ore is heated in the absence of air or air might be supplied in limited quantity. Roasting involves heating of ore lower than its melting point in the presence of air or oxygen. Calcination involves thermal decomposition of carbonate ores.

Answer:

A phenomenon of polarization and depolarization through which the abnormal acticity of a fibre spreads through a nerve.

Explanation:

Answer:

F is the answer

your welcome

oddysey the answer is F

Answer:

food is heated in microwave ovens, airplanes are guided by radar waves, television sets receive electromagnetic waves transmitted by broadcasting stations, and infrared waves from heaters provide warmth.

Explanation:

Hope this helped Mark BRAINLEST!!

Answer:

Primary producers like plants make their own food by doing something called photosynthesis. ... Leaves of plants absorb light from the sun. Leaves of plants also absorb the air that people breathe out, called carbon dioxide. Leaves of plants also absorb water.

Explanation:

something called photosynthesis

Answer:

A?

Explanation:

a

I believe the answer is A. Strands of DNA wrapped around proteins.

Answer:

It Considered to be a high mass star

Explanation:

High mass stars go through a similar process to low mass stars in the beginning, except that it all happens much faster. Then unlike low mass stars, they have enough mass that gravity contracts the core raising the temperature and carbon can fuse into neon, then neon into oxygen, then oxygen into silicon, then iron.

Answer:

B

Explanation:

the begin to unwind because of the amino acid

Polycistronic mRNA - Bacterial mRNA can contain multiple coding regions (cistrons), allowing for the synthesis of several proteins from a single mRNA molecule.

Bacterial Protein Synthesis:
1. Shine-Dalgarno sequence - This sequence is found in bacterial mRNA and helps with the binding of the ribosome to the mRNA.
2. 70S ribosome - Bacterial ribosomes are smaller, with a total size of 70S.
3. Simultaneous transcription and translation possible - In bacteria, transcription and translation can occur simultaneously in the cytoplasm.
4. Polycistronic mRNA - Bacterial mRNA can contain multiple coding regions (cistrons), allowing for the synthesis of several proteins from a single mRNA molecule.

Eukaryotic Protein Synthesis:
1. First AUG initiates translation - In eukaryotes, the first AUG codon signals the start of translation.
2. 80S ribosome - Eukaryotic ribosomes are larger, with a total size of 80S.
3. Spatial separation of transcription and translation - In eukaryotes, transcription occurs in the nucleus, while translation occurs in the cytoplasm, creating a spatial separation.
4. Monocistronic mRNA - Eukaryotic mRNA typically contains a single coding region, allowing for the synthesis of only one protein per mRNA molecule.

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A genetic mutation preventing the production of the enzyme tyrosinase would result in the condition known as Oculocutaneous albinism

Oculocutaneous albinism (OCA) is an uncommon genetic illness characterized by a decrease or complete absence of melanin pigment in the skin, hair, and eyes. Mutations in certain genes required for the generation of melanin pigment in specialized cells called melanocytes cause these diseases.

Oculocutaneous albinism is a type of albinism that affects the eyes (oculo-), skin (-cutaneous), and hair. Oculocutaneous albinism affects around one in every 20,000 people worldwide.

OCA is caused by abnormalities in many genes that govern melanin synthesis within melanocytes.

There are seven kinds of oculocutaneous albinism, all of which are caused by a breakdown in melanin synthesis and are all autosomal recessive illnesses.

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Answer:  The three types of ecological pyramids include the pyramid of number, which shows the number of individual organisms that exist at different trophic levels; the pyramid of biomass, which tell us the amount of living tissue or the total mass of organisms within each trophic level; and the pyramid of energy, which indicates the amount of energy at each trophic level and the actual role of each organisms in the process of energy transfer.

The three types of the ecological pyramid are-

Ecological pyramids show the different amounts of energy or matter present within each trophic level in a particular food chain or food web. The three different types are Pyramids of energy, biomass, and numbers.

Thus, the correct answer is - Pyramids of energy, biomass, and numbers.

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Answer:

Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel. These primary producers form the base of an ecosystem and fuel the next trophic levels.

Explanation:

Answer:

Their roots take up water and minerals from the ground and their leaves absorb a gas called carbon dioxide (CO2) from the air. They convert these ingredients into food by using energy from sunlight. This process is called photosynthesis, which means ‘making out of light’. The foods are called glucose and starch

In a town with a population of 14,000, we can expect approximately 0.014 individuals to carry the recessive allele for the rare lethal disease.

To calculate the number of individuals in a town of 14,000 who can be expected to carry the recessive allele for the rare lethal disease, we need to consider the frequency of the allele within the population.

Given that the frequency of the recessive allele is one in a million, we can calculate the expected number of carriers by multiplying the population size by the allele frequency.

Expected number of carriers = Population size * Allele frequency

Expected number of carriers = 14,000 * (1/1,000,000)

Expected number of carriers = 0.014

Therefore, in a town with a population of 14,000, we can expect approximately 0.014 individuals to carry the recessive allele for the rare lethal disease.To calculate the number of individuals in a town of 14,000 who can be expected to carry the recessive allele for the rare lethal disease, we need to consider the frequency of the allele within the population.

Given that the frequency of the recessive allele is one in a million, we can calculate the expected number of carriers by multiplying the population size by the allele frequency.

Expected number of carriers = Population size * Allele frequency

Expected number of carriers = 14,000 * (1/1,000,000)

Expected number of carriers = 0.014

Therefore, in a town with a population of 14,000, we can expect approximately 0.014 individuals to carry the recessive allele for the rare lethal disease.

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The enzyme does not have a high rate of reaction when the PH is very low in the the reaction medium.

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Answer: H

Explanation:

Answer:

Scientific models are based on a set of observations. Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made. ... Scientists utilize models for a variety of different purposes, but each type of scientific model has limitations.

Explanation:

thank me later

Answer:

Desert Niches

Adaptations include a species' selection of food, water and shelter as well as other facts of its behavior. Niches within desert ecosystems include open desert scrub, open grasslands, washes and sandy soils.

Explanation:

Human evolution depends on the variations in our DNA and on our capacity to pass on these genetic variations (i.e., our ability to reproduce).

The population should evolve as these distinctions grow more pronounced over time. A new species will emerge if the genetic changes are significant enough.

We'll probably live longer, grow taller, and get lighter constructed. We'll presumably be more amiable and less aggressive, but our brains will be smaller. We'll be happy and nice, a little like a golden retriever, but perhaps not all that intriguing. Human evolution depends on the variations in our DNA.

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Answer:

Selective breeding takes place over many generations. These are the main steps for both plants and animals involve:

Hope this answer helps you..!!

.

.

Select this answer as the BRAINLIEST!!

Answer:

I think the answer is Selective breeding takes place over many generations. These are the main steps for both plants and animals involve:

Decide which characteristics are important enough to select.

Choose parents that show these characteristics from a mixed population. They are bred together.

Choose the best offspring with the desired characteristics to produce the next generation.

Repeat the process continuously over many generations, until all offspring show the desired characteristics.

Hope this answer helps you ^^

The phylum of fungi that reproduces asexually by fragmentation is Zygomycota.

It is a type of fungi that have relatively simple structures and are typically found in soil or decaying organic matter. They are characterized by their ability to reproduce both sexually and asexually, with asexual reproduction occurring through fragmentation. Zygomycota fungi are commonly known as mold or mildew.

They are considered to be one of the earliest forms of fungi, with some species dating back over 500 million years. They are typically fast-growing, and their spores can be dispersed by air, water, or animals.

Zygomycota are known to cause diseases in plants and animals, including humans. One example is the genus Rhizopus, which can cause infections in humans, particularly those with weakened immune systems. In conclusion, Zygomycota is the phylum of fungi that reproduce asexually by fragmentation.

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The population, to the nearest whole number, of bacteria after 15 days is approximately 4,769 bacteria, The correct option is E, None of the above.

To find the population of bacteria after 15 days, we can use the formula for exponential growth:

N = N₀ * \((1 + r)^t\)

Where: N = Final population after time t N₀ = Initial population r = Growth rate per time period t = Time period

Given: N₀ = 500 bacteria r = 50% per day (or 0.5) t = 15 days

Plugging in the values, we have:

N = 500 * \((1 + 0.5)^{15\)

Calculating this expression:

N = 500 * \((1.5)^{15\) N

= 500 * 9.537 N

= 4,768.5

Thus, the correct option is E, None of the above.

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The question is inappropriate; the correct question is:

The initial population of a bacterial colony is observed to be 500 bacteria. The population shows a growth rate of 50% per day, and the carrying capacity of the surrounding area is estimated to be 2,000,000 bacteria. To the nearest whole number, find the population of bacteria after 15 days.

A.  165,822 bacteria

B.  622,707 bacteria

C.  903,430 bacteria

D.  2,000,000 bacteria

E.  None of the above

Answer:

2)

Explanation:

plants use oxygen for photosynthesis.

humans breathe out carbon dioxide

Cytokines are chemical messengers secreted by T cells that aid cells to kill antigens. These molecules play a crucial role in immune response by facilitating communication and coordination between immune cells to effectively eliminate harmful pathogens.

Small proteins known as cytokines are a large and nebulous class of molecules crucial to cell signalling. Since they are peptides, cytokines cannot penetrate the lipid bilayer of cells to reach the cytoplasm. Cytokines have been found to function as immunomodulating agents and to participate in autocrine, paracrine, and endocrine signalling.

Tumour necrosis factors, interferons, interleukins, lymphokines, and chemokines are examples of cytokines; hormones or growth factors are typically not included. Many different types of cells can create cytokines, including immune cells including macrophages, B lymphocytes, T lymphocytes, and mast cells as well as endothelial cells, fibroblasts, and other stromal cells; a given cytokine can be produced by more than one type of cell. They have a significant impact on the immune system and function through cell surface receptors;

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Answer:

Omnivores

Explanation:

Omnivores, which feed on both plants and animals, can be considered as being both primary and secondary consumers.

Answer:

An organism cannot serve as both a main consumer and a secondary consumer at the same time in an ecological food web.

Explanation:

A primary consumer, usually referred to as a herbivore, consumes other producers such as plants directly. In a food chain or web, they are located on the second trophic level.

While a secondary consumer feeds on primary consumers. In a food chain or web, they are located on the third trophic level.

Each creature normally resides in a certain trophic level, which indicates its place in the movement of nutrients and energy through the ecosystem. An organism cannot occupy the primary consumer and secondary consumer levels at the same time, even if it can travel up or down the food chain/web by consuming other creatures

So, no organism can serve as both primary consumer and secondary consumer.

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Protein should account for no more than 15%  of your total daily calories.

In healthy diet, it is considered that 20-30% of your total daily calories should come from protein. protein is needed for your body to growth, to maintain muscle and energy. Because Protein are mostly stored  in  muscles, and body converts 50- 60% of protein into glucose.

Hence , the  recommended protein for adult to prevent deficiency is about 0.8 grams per kilogram of body weight. so , you should select protein needs, with specific number of grams of protein to be consumed every day measurement can also be done using your weight, activity level, and body mass.

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Answer:    A conserved set of cyclin-dependent protein kinases (Cdks) initiate or regulate events through phosphorylation of intracellular proteins, thus controlling cell cycle progression, terminal differentiation, and apoptosis.

Explanation: Your welcome! ;D

Option C. 33 % Adenine (A) should you expect to find in the sample.

Adenine is a nucleobase. it's by far one of the four nucleobases in the nucleic acid of DNA which can be represented by way of the letters G–C–A–T. The 3 others are guanine, cytosine, and thymine.

A chemical compound is used to make one of the building blocks of DNA and RNA. it is also part of many substances inside the frame that supply strength to cells. Adenine is a kind of purine. A purine, adenine is produced from two carbon jewelry: a pyrimidine ring and an imidazole ring. while it's far a constituent of DNA, It's miles connected to the deoxyribose sugar by means of a covalent bond and is called adenine residue.

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Future high-resolution satellite imaging spectrometers will be tested on AVIRIS. 10 nm spectral & 20 m vertical resolutions are provided by AVIRIS.

In order to gather data with a high spectral as well as spatial resolution in advance of the launch of a room is available-based imaging spectrometer (HIRIS) in the middle of the 1990s. NASA initially developed the Airborne Visible/Infrared The use of imaging Spectrometer (AVIRIS) that the Jet Propulsion Laboratory, or JPL, in the late 1980s.

Future high-resolution satellite imaging spectrometers will be tested on AVIRIS (Airborne Visible-Infrared Mapping Spectrometer). 10 nm spectral & 20 m vertical resolutions are provided by AVIRIS.

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