Cellulose could provide an abundant and cheap form of glucose for humans. why is cellulose not a source of nutrients for humans?

In photosynthesis, energy is transferred from pigment to pigment within the light-harvesting complex without the transfer of electrons. Only when this energy reaches the reaction center does a special chlorophyll a molecule give up an excited electron. Thus, one electron at a time is passed between pigment molecules in the light-harvesting complexes of photosystems.

In the process of photosynthesis, pigments within the photosynthetic membranes are organized into photosystems. Each photosystem consists of a light-harvesting complex and a reaction center. The light-harvesting complex is made up of numerous proteins and pigments that each may absorb light energy and thus, become excited. The energy is transferred from one pigment molecule to another within this complex, but up to this point, only energy, not electrons, has been transferred.

Pigments in the light-harvesting complex pass the light energy to one or two special chlorophyll a molecules located in the reaction center. Upon excitement from light energy absorption, these molecules give up an electron, which is passed to the primary electron acceptor. This is the point in photosynthesis where light energy is converted into an excited electron. Therefore, only one electron at a time is passed between the pigment molecules in the light-harvesting complex of each photosystem.

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The second option, Photosynthesis makes the glucose that is broken down by cellular respiration.

The relationship between photosynthesis and cellular respiration is that photosynthesis makes the glucose that is broken down by cellular respiration.

photosynthesis refers to a process used by algae, plant or photosynthetic organisms to capture energy from sunlight to produce chemical energy.

During photosynthesis, the oxygen generated by plants is what animals and humans breathe in for blood to move to the body cells for respiration

However, there are processes involved in photosynthesis.

The two processes include:

The principles involved in both photosynthetic processes are very similar but the most common process is oxygenic photosynthesis. oxygenic photosynthesis is seen in cyanobacteria, algae, and plants.

During photosynthesis, the light is captured from the sun and used to transformed carbon dioxide, water and mineral into energy-rich compounds and oxygen.

photosynthesis is very important in the maintenance of life because if the process of photosynthesis stops, there will be a shortage of foods and the presence of organic matter on earth will reduce drastically.

Most organisms will no longer exist and there would be less oxygen and more carbon dioxide in the atmosphere.

However, while photosynthesis required the use of energy from the sunlight, water and carbon dioxide to generate oxygen and glucose, cellular respiration involves the use of oxygen and glucose to generate water and carbon dioxide.

Plants and animals, even human rely on photosynthesis and cellular respiration to survive.

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The first law of thermodynamics states that energy can neither be created nor destroyed, but it can change from one form to another.

answer:B

Answer:The correct answer is 38

Explanation:

The type of microscope that requires a nonmetal sample to be prepared for viewing by coating it with a thin layer of a conductive material is the Scanning Electron Microscope (SEM).

A scanning electron microscope (SEM) is a type of microscope that uses electrons to image the surface of a sample. It provides high-resolution, three-dimensional images of the sample's surface topography and composition.

In an SEM, a focused beam of electrons is scanned across the sample surface. When the electrons interact with the atoms on the sample, various signals are generated. These signals, including secondary electrons, backscattered electrons, and characteristic X-rays, are detected and used to create an image.

The electron beam in an SEM is typically generated by an electron gun and focused using electromagnetic lenses. The scanning coils direct the beam in a raster pattern across the sample. By adjusting the beam intensity and scanning parameters, detailed images with high magnification can be obtained.

SEM is widely used in various scientific fields, such as materials science, biology, geology, and nanotechnology. It allows for the visualization and analysis of the surface features, morphology, and elemental composition of a wide range of samples, providing valuable insights into their microstructure and properties.

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Answer:

Tonia is a very expressive person, while Robert is more reserved.

Explanation:

Tonia is very easy to express what she is feeling. She makes her emotions very clear, because she can externalize them so quickly. Therefore, by looking at Tonia we are able to identify that she likes Robert, and we are able to identify any other feelings she may be feeling. Tonia is very expressive.

On the other hand, Robert is a more reserved person. He has difficulty expressing his feelings, although he can develop strong and impactful feelings. Robert likes tonia, but unlike her, he can't externalize his emotions, so we can't know what he's feeling when we look at him.

The correct answer is A. Release of adrenaline by the adrenal glands

Explanation:

The "fight or flight" response is a natural response to a possible threat or attack. During this, the endocrine system and more specifically the adrenal glands react by releasing substances such as adrenaline, noradrenaline, and other hormones. These substances make the body to be alert and prepare to either scape and avoid the threat (flight) or face it (fight). Additionally, this response has also multiple effects in the body that includes the dilatation of the pupils, an increase in the heart and breath rate, and trembling; however, once the threat disappears the body goes back to a normal state. According to this, during the "fight or flight" response in the endocrine system adrenaline is released by the adrenal glands.

The statement that would most likely cause a mutation is the insertion of a nucleotide into DNA. Thus, the correct option for this question is B.

A Mutation may be defined as the process through which sudden, stable, and inheritable changes have been occured within the DNA sequence of an organism. The organism which undergoes mutation is known as a Mutant. The agents of mutation are known as Mutagens.

A Mutation is of two types. Gene mutation and Chromosomal mutation. Gene mutations are again subdivided into point mutation and frameshift mutation. While chromosomal mutations are structural variations and numerical variations.

This insertion of any nucleotide is facilitated by the action of any mutagen such as UV radiation, any chemical like ethidium bromide, etc.

Therefore, the insertion of a nucleotide into DNA is the statement that would most likely cause a mutation. Thus, the correct option for this question is B.

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Answer:

A. Osmosis occurs through a semipermeable membrane. Diffusion occurs through a permeable membrane.

Explanation:

Diffusion is the transport of membrane permeable substances. These, in solution, can flow from the inside out of the cell or vice versa spontaneously. This process occurs from a region with higher particle concentration to one with lower concentrations. Gas exchange between blood and tissues is an example of this type of transport.

On the other hand, osmosis is a process of diffusion of water through a semipermeable membrane and occurs from the less concentrated to the most concentrated solution. This process is a type of passive transport because during osmosis the cell does not waste energy.

Based on this, we can say that what makes osmosis different from diffusion is that osmosis occurs through a semipermeable membrane, whereas diffusion occurs through a permeable membrane.

The psychiatric mental health nurse is working with a client who has been diagnosed with posttraumatic stress disorder (PTSD) because it would help the person who has it and it is an assessment.

You may have more PTSD symptoms when you're stressed in general, or when you come across reminders of what you went through. For example, you may hear a car backfire and relive combat experiences. Or you may see a report on the news about a sexual assault and feel overcome by memories of your own assault.

Triggers can include sights, sounds, smells, or thoughts that remind you of the traumatic event in some way. Some PTSD triggers are obvious, such as seeing a news report of an assault. Others are less clear. For example, if you were attacked on a sunny day, seeing a bright blue sky might make you upset.

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A psychiatric mental health nurse should prioritize a mental status assessment for a client with PTSD experiencing intrusion, to gauge the impact on daily functioning and to determine the client's coping mechanisms, triggers, support system, and potential risks.

When a psychiatric mental health nurse is working with a client who has been diagnosed with posttraumatic stress disorder (PTSD) and is experiencing frequent episodes of intrusion, the nurse should prioritize an assessment that focuses on the client's mental status. This includes evaluating the severity and impact of the intrusive thoughts, nightmares, or flashbacks on the client's daily functioning. Considering that PTSD symptoms can be triggered by various psychological and environmental factors, it is important to assess the client's coping mechanisms, triggers, and support system. The nurse should also explore the client's safety, any co-occurring conditions, and the overall risk to self or others, as these can influence the treatment plan.

The nursing process guides the nurse through this by beginning with a thorough assessment. During this process, the nurse gathers data on the patient's psychological and mental health. This assessment may include the use of validated tools such as the Minnesota Multiphasic Personal Inventory (MMPI-2) or projective tests. A thorough interview is also crucial to understand the patient's experiences and needs. The nurse may also obtain additional information from family members or other healthcare professionals regarding the client's background and functioning.

Treatment for psychological disorders like PTSD often begins with such assessments, which help in creating a comprehensive care approach tailored to the individual's specific needs. It is essential for the nurse to also consider the client's overall well-being, focusing on both their mental health and physical health, as these are often interconnected.

Final answer:

The advertisement for a feminine beauty product featuring a romantic couple and promising to make the woman more beautiful is tapping into the esteem needs on Maslow's hierarchy, which includes self-worth, achievement, and respect from others.

Explanation:

When an advertisement for a feminine beauty product features a romantic couple and promises to make the woman buying the product more beautiful, it is primarily tapping into the esteem needs on Maslow's hierarchy of needs. The esteem needs include the desire for self-worth, achievement, and respect from others, which this type of advertisement is directly addressing by implying that the product will enhance the buyer's beauty and potentially lead to greater social acceptance and self-confidence.

Maslow's hierarchy also includes the needs for love and belonging, which could be subtly influenced by the inclusion of a romantic couple in the advertisement, suggesting that the use of the product could enhance romantic relationships. However, the core message of the advertisement aligns more closely with the level of esteem needs, which is reflected in the promise of increased beauty and, by extension, an increase in the perception of one's own value.

Answer:

The correct abbreviatipon for Zinc is Zn

Explanation:

Z is the first letter taken from the elment Zink and the n taken from the n in Zink

Natural selection of organisms is affected by such factors as genetic differences, number of offspring, and death.

Natural selection is the process by which individuals who are better suited to its environment are selected naturally by environmental factors to survive.

Factors that affect natural selection include:

Genetic differences ensure that those organisms with better genetic makeup survive.

The higher the number of offspring produced, the more the chances of survival.

An increased death rate among species reduces the chances of survival and vice versa.

Therefore, natural selection of organisms is affected by such factors as genetic differences, number of offspring, and death.

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To complete the analogy, we would say the nucleus is to cell as the A. hormone is to gland. The nucleus directs the activities within the cell, and in a similar vein, glands control various functions by producing hormones.

The nucleus is the control center of the cell, directing the synthesis of ribosomes and proteins, just as a gland produces and releases hormones that regulate various bodily functions. In each case, the component mentioned plays a central role in the functioning of the whole.  In analogy parallels, cytoplasm is to cytosol as a swimming pool containing chlorine and flotation toys is to the water.

Cytoplasm includes both the cytosol, which is the intracellular fluid, and the organelles suspended within it, much like a swimming pool's water includes both the water itself and the items floating in it. Similarly, diffusion is to spread as endocytosis is to engulf. Diffusion involves the spread of particles from areas of high concentration to low concentration, while endocytosis is a process by which a cell envelops material from the outside environment, bringing it into the cell in a vesicle.

Answer:

The correct answer is Africa.

Explanation:

Any member of the biological family Hominidae is known as a hominid. These are considered as the great apes that have become extinct and are living. At present, there are chimpanzee, orangutans, humans, and gorillas. The hominids originated on the continent Africa, mainly in the Eastern parts of Africa. The hominids dispersed to other continents from Africa.