most enzymes in the human body work best at neutral ph. select the reasons why changing the ph of the fluid in which a human enzyme is dissolved (for example to a ph of 3) will affect the enzyme's ability to function.

chlorophylls, bacteriochlorophylls, accessory pigments, reaction-center pigments, and antennae pigments are all components of the photosystem that helps to capture radiant energy in plants and organisms such as bacteria.

Chlorophyll: In a plant, chlorophyll's function is to absorb light, often sunlight. Two types of energy-storing molecules receive the light energy that is absorbed.

Bacteriochlorophyll: Anoxygenic (don't produce O2) photosynthetic bacteria include bacteriochlorophylls, which absorb wavelengths that chlorophylls do not, enabling the bacteria to grow in environments where other photosynthetic organisms cannot.

Accessory pigments: absorbing wavelengths that the other pigments are unable to absorb, accessory pigments improve the efficiency of light capture.

Teaction center pigment: In the photosynthetic process, reaction-center pigments serve as electron donors.

Antennae pigments: A complex of pigments called the antennae serves as a funnel, collecting light energy, and transmitting it to a pigment called the response center.

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The cell is the most basic structure that exhibits the characteristics of an organism and meets the challenges of the environment.

Living things have many common traits i.e. Cellular organization, the ability to reproduce cells, growth & development, energy use, homeostasis, response to their environment, and the ability to adapt. Living things will show all of these traits. All living organism's cells share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and cell energy processing. Characteristics are the distinguishing features or qualities of something. You might like to think of cell characteristics as those qualities that make a person or a thing different from others.

So we can conclude that the majority of cells share several characteristics i.e. plasma membrane, cytoplasm, DNA, and ribosomes

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Answer:

Laws, as demonstrated by a mathematical equation, specify what will occur in a specific circumstance, whereas theories explain how the phenomena occurs.

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Answer:

A 3 base sequence of mRNA is called a codon. Each codon specifies a particular amino acid

Explanation:

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Answer:

Second no.. is a right answer.

Chromatids of homologous chromosomes exchange corresponding segments.

The long-established standard medication for ovulation induction, clomiphene citrate (CC), is still regarded as the first-line treatment for PCOS women. Clomiphene does, however, have some clear drawbacks.

Ovulation and pregnancy rates differ after receiving CC treatment (60–85%; 10–20%). The rate of miscarriages is higher than that of the general population[6,7], and 20–25% of PCOS women are clomiphene resistant. The endometrial growth and development as well as the quantity and quality of cervical mucus are negatively impacted by the anti-estrogenic effect of CC, which results in a protracted depletion of estrogen receptors.

An oral aromatase inhibitor with a strong potential for ovulation induction is letrozole. This chemical has been investigated as a potential ovulation inducer by numerous researchers, and it has been in use for a few years now. In women with PCOS who are clomiphene citrate-resistant, letrozole has been demonstrated to have an excellent ovulation rate.

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Topoisomerase inhibits the tightly bonded double-stranded DNA, primase synthesizes RNA during DNA replication, and DNA polymerase 1 is used to initiate the DNA replication process.

By catalyzing the formation of phosphodiester bonds between double-stranded DNA fragments with juxtaposed 5'-phosphate termini and 3'-hydroxyl termini in the presence of the NAD cofactor, E. coli DNA Ligase is a ligation enzyme that can be used to connect DNA fragments.

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Quadriceps, hamstrings, and glutes muscle groups are used during riding, squats, push ups, planks, mountain climbers, trunk rotation, overhead press, lunges, arm extension.

Your hamstring muscles are essential for walking, running, bending your knees, and extending your legs. However, these muscles are also quite prone to damage, particularly if you play football or soccer or engage in other activities that include many pauses and starts.

Hamstring weakness can exacerbate knee pain and raise the risk of hamstring strain. Many people say they frequently stretch their hamstrings yet they never seem to get more flexible.

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Answer:

According to genomics, a gene's promoter is the area of DNA upstream of it where important proteins, such RNA polymerase and transcription factors, bind to start the gene's transcription. A molecule of RNA is created as a result of the transcription (such as mRNA).

Explanation:

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According to genomics, a gene's promoter is the area of DNA upstream of it where important proteins, such RNA polymerase and transcription factors, bind to start the gene's transcription.

An area of DNA known as a promoter is where RNA polymerase starts to transcribe a gene. Promoter sequences are often found upstream of the transcription initiation site or at its 5′ terminus.

RNA polymerase and the required transcription factors bind to both promoters and transcription initiation sites. Promoter sequences identify the DNA strand that will be transcribed and describe the direction of transcription.

Promoters use the information RNA polymerase provides to them in these two steps to determine how lactase will be produced. Promoters can range in length from 100 to 1,000 base pairs.

Therefore, According to genomics, a gene's promoter is the area of DNA upstream of it where important proteins, such RNA polymerase and transcription factors, bind to start the gene's transcription.

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The answer is as follows:

The correct answer is as follows:

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Visking tubing is a partly permeable artificial membrane that allows smaller molecules such as water and glucose to flow through its minute gaps. Larger molecules, such as starch and sucrose, are unable to flow through it.

Water osmotically travels over the membrane from the rising water concentration (dilute solutions) in the beaker to the poor water content (concentrated solution) in the Visking tubing, increasing the amount of liquid in the Visking tubing and forcing liquid up the capillary tube.

When sugar dissolves in water, water and sucrose molecules create weak connections. These connections make it more challenging for water to osmotically exit the solution.

Starch molecules are too big to pass through the artificial selectively permeable membrane.

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Answer: The food making process by plant is called photosynthesis.

Explanation:

Answer:

It is the process by which plants make food for themselves. Carbon Dioxide, light(sun) and water is needed for this process. Chloroplast is the organelle which makes food for plants. It is carried out in the day and the by-product is oxygen

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Answer:

the answer is A

Explanation:

d talk about replicating and so does c

and b isn't clear so most likely the answer is A

The pёlagic zone is divided into different areas according to their depth. These zones are part of the photic and aphotic areas. Image and complete explanation attached.

Note: Due to technical problems, you will find the complete explanation in the attached files.

The ocean is divided into different zones or regions.

The pёlagic zone is one of the areas into which the oceanic zone is divided.

This zone is also divided into five areas according to depth.

Considering this information, we can complete the image by using all terms excepting for the pёlagic one.

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Light exposure therapy will be prescribed to Vitor who suffers from Seasonal Affective Disorder that causes sadness and hopelessness during the shorter winter days.

Light exposure therapy is also called as phototherapy. It involves the exposure of the patient to artificial bright light that is similar to the natural sunlight. This helps in healing the depressive or seasonal moods of the patient.

Seasonal Affective Disorder (SAD) is a mood disorder that occurs in a person as the season changes. The person becomes sad and gloomy. It can sometimes also be referred to as winter depression as it disease is more prevalent in winter season.

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Answer:

A. Light exposure therapy.

Explanation:

Took the test and got it right.

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Answer:

Explanation:

Because the matter turns into heat and ATP.

The ratio of phenotypes that would be expected in the offspring if the two genes show independent assortment is 1:1

The two parent genes are both homozygous recessives. Therefore, any crossing between them would yield a ration of 1 to 1 irrespective of independent assortment leading the offspring to have also homozygous recessive genes. According to Mendel's law of independent assortment, alleles from two (or more) distinct genes are sorted into gametes independently of one another.

In other words, the allele obtained by a gamete for one gene has no effect on the allele received for another gene. In the question, the allele from the two parents are the same hence the off springs expresses the same phenotypic traits.

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Explanation:

primary: protein structure: the sequence of amino acids in a polypetide chain

Secondary:a-helix and B-pleated sheet structures

Tetiary and Quaternary :Tetiary refers to the configuration of a protein subunit in three dimensional shape while quarternarystructure refers to the relationships of the four subunits have hemoglobin to each other

sorry I couldn't get the bonds

The correct answer is option D: The notion that our brain organization and anatomy can change is called plasticity.

The ability of the brain to change its connections in response to the environment and a person's experiences is known as brain plasticity. Neuronal connections are established beginning in the fetal stage. Some relationships are kept after birth while others vanish.

The rewiring of the neural circuits during an apprenticeship is a result of the brain's plasticity. During this time, some neuronal connections are strengthened (synapses). The brain is indeed malleable. On the contrary, it changes throughout time.

Undifferentiated cells, which can replace inadvertently killed neurons, also enable cerebral plasticity. For instance, in the rat, the removal of vibriosis (whiskers with a sensory function) alters the way that neurons are arranged in the brain. The disappearance of vibriosis leads to the reorganization of the somatosensory cortex.

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Cloudy Water would most likely cause ligt waves to be refracted or diffracted, thus failing to reach plants and phytoplanktons

Cloudy or turbid water can be caused by bacterial or algal bloom, sandstorm, calcium precipitate and other disturbances

As cloudy Water prevent sunlight from reaching inside the water, the rate of photosynthesis of aquatic plants is reduced and amount of oxygen is limited

This can lead to suffocation of fishes and other aquatic lives in the water

Also, sediment in water collected from the storm may absorb heat from sunlight and increase the temperature of the warm, further decreasing the amountsof dissolved oxygen

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Lyell’s argument about Earth’s land features and what it did to cause Darwin to question the mountains is some of Earth's features resulted from gradual processes acting over long time periods.

This is because the conventional knowledge about mountains was challenged by Lyell and this was a turning point as Darwin himself agreed that the formation of mountains was as a result of sediments that accumulated after a long time.

This refers to the landform that is elevated and has bedrock and is a feature of the earth's surface.

Hence, we can see that the argument is that mountains are formed from gradual processes acting over long time periods.

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Answer:

Since ecology looks at how different plants, animals, including humans, interact with their habitats, it helps us understand how our planet functions. As a result, it can forecast the consequences of pollution and climate change and instruct us on how to save habitats and biodiversity.

These intricate ecosystems and humans are linked, and if we continue to power our lives in the same manner, they will probably collapse. The world is currently experiencing unprecedented biodiversity loss, pollution, and climate change as a result of human overconsumption, overpopulation, and deforestation.

Explanation:

The above statement 'the fact that individuals who possess favorable traits are more likely to survive and reproduce than those who possess less favorable traits is the basis for natural selection is true.

Natural selection can be described as a theory that states that organisms that are best adaptable to survive in an environment are able to pass on their characteristics to their offspring.

Organisms that do not have adaptable characteristics tend to become extinct with time. This theory is referred to as natural selection because nature is the one that selects which organisms are fit enough to survive and reproduce in an environment.

The theory of natural selection was formulated by Charles Darwin after many experiments.

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It is false that  bulk flow is always an active and atp-expensive process and it is evident by the presence of a heartbeat in order for bulk flow to occur in animals.

Active transport is the transfer of dissolved molecules from a location of lower concentration to a region of higher concentration across the cell membrane. The particles use expensive energy released during breathing to move against the gradient of concentration. Organic substances release energy through respiration, a chemical mechanism that is independent of a heartbeat. Exergonic reactions convert the molecules into new ones. Energy is released via the breakdown of adenosine triphosphate (ATP) into adenosine diphosphate (ADP) and phosphoric acid (Pi).

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All of the organisms in question i.e. coccolithophores krill dinoflagellates photosynthetic bacteria diatoms are examples of microscopic algae.  

What are microscopic algae?
Planktonic algae, often known as microalgae, are aquatic organisms that are found in hundreds of different kinds worldwide. The most well-known microalgae species include coccolithophores, cryptomonads, golden algae, yellow-green algae, and euglenoids, but diatoms, dinoflagellates, and green algae are also present. Since there are so many diatoms floating around in the oceans, nearly half of the oxygen on Earth is created through photosynthetic activity. Despite the fact that diatoms and dinoflagellates are types of planktonic algae, they are sometimes mistaken for red or brown algae. Due to their inability to float freely, red and brown algae are not regarded as phytoplankton. Rarely single-celled, true red and brown algae stick to rocks or other surfaces rather than drifting at the surface. For the same reasons, multicellular green algae is not regarded as phytoplankton. Algae must be single-celled or colonial (a collection of single cells) and live and die in the water without being attached to any substrate in order to be classified as phytoplankton.

Following available literature, all of coccolithophores, krill dinoflagellates, photosynthetic bacteria, diatoms fall under microscopic algae.

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Compared with rods, cones are less sensitive to dim light and more sensitive to fine detail (Option 4).

The photoreceptor cells are specialized cells in the ey that are required to produce vision. The major photoreceptor cells include rod cells and once cells.

The rod cells are photoreceptors located at the eye retina capable of converting an image into neuronal chemical stimuli which are processed by the brain in order to form the final image. These cells are more sensitive to light when forming the image.

Conversely, the cone photoreceptor cells are more sensitive to colors and therefore these cells can efficiently work in bright light.

Therefore, we can conclude that the photoreceptor cells such as cone cells and rod cells have differential features associated with sensitivity to colors and light, which is fundamental to form the image in the brain.

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Bumble bee?

I hope that helps.