The amount of protein a woman should get each day depends not just on age and weight. Her activity level must also be considered. A 135-pound woman who is 38 years old and assuming not pregnant needs (b) 49 grams/day if she is not very active or (d) 110 grams/day if she is very active.
The correct answer is option (B) 49grams/day.The recommended daily protein intake for a 135-pound woman is approximately 49 grams per day, based on the standard equation for protein needs. This aligns with option b from the provided choices.
To determine the recommended protein intake for a 135-pound woman who is 38 years old, we can use the equation provided.
(Weight in lbs. : 2.2 lb/kg)0.8 g/kg
First, convert the woman's weight from pounds to kilograms:
135 lbs. × 2.2 lb/kg = 61.36 kg
Next, multiply the weight in kilograms by the recommended amount of protein per kilogram:
61.36 kg imes 0.8 g/kg = 49.09 grams/day
Therefore, the average protein requirement for this woman would be approximately 49 grams per day, which aligns with option b. However, individual requirements may vary based on factors such as activity level, overall health, and specific dietary needs.
Evidence suggests a weak association between emotions and physical health.
a. True
b. False
What section of the large intestine is associated with the appendix?
The reduction in the body's response to a drug which may accompany drug use is called
What is a likely outcome of a moderate disturbance, such as a severe thunderstorm? select all that apply. select all that apply. reduced species diversity within a community loss of an equilibrium state of balance, leading to a less healthy community patches of different habitats within the landscape?
Answer: Patches of different habitats within the landscape
Explanation: "Small-scale disturbances can create patches of different habitats across a landscape, which can help maintain diversity in a community. Read about the intermediate disturbance hypothesis." (Mastering Biology)
At the end of the light reactions of photosynthesis, the cell does not have a net gain of _____________.
List of muscles innervated by median nerve
What protein components reside on the rbc membrane determining blood type?
Final answer:
The protein components determining blood type on RBC membranes are antigens made of glycoproteins and glycolipids, specifically those involved in the ABO and Rh systems. The ABO blood type is determined by the presence or absence of A and B antigens, dictated by specific inherited enzymes. The O blood type lacks these enzymes, revealing the genetic basis for blood type determination.
Explanation:
The protein components that reside on the red blood cell (RBC) membrane and determine blood type are antigens made of glycoproteins and glycolipids. The most significant in terms of blood typing are ABO and Rh antigens. All four ABO blood types share a common protein receptor molecule on the RBC membrane, but it is the addition of specific carbohydrates to these protein receptors that determines the A, B, and AB blood types. This addition is facilitated by enzymes that are encoded by the genes inherited for the A, B, and AB blood types. Individuals with O blood type have the protein receptor but lack the enzymes to add the carbohydrates that would denote their RBCs as type A, B, or AB.
More than 50 antigens have been identified on erythrocyte membranes, but the ABO and Rh groups are most significant for their potential to cause harm during blood transfusions. The presence of A or B antigens (or both for AB type, and neither for O type) on the erythrocyte membrane surface denotes a person's ABO blood type. These antigens, along with the Rh factor, which is another antigenic component on the RBC surface, play a critical role in determining an individual's complete blood type and compatibility for blood transfusions.
Mitotic cell division is initiated in the ?
Why do plants need to perform photosynthesis?
Question 1 options:
to make their food
to keep them green
to make flowers
to reproduce
Explain how you can tell the sex of a person by looking at that person’s karyotype.
According to the text, what is the most important prenatal phase of development for organ formation
What is the minimum dose that results in reddening of the skin?
Which enzyme in
e. coli is responsible for relieving the tension ahead of the fork that results when the dna unwinds to form the replication "bubble" or "eye"?
The eukaryotic cell cycle is controlled at several points; which of these statements is not true?
Why does the cell membrane of the tube worm stop the flow of excess salt into its body?
To maintain a stable environment
The cell membrane of tube worm cells is selectively permeable, preventing minerals in the water from flowing into the cells. The cell membrane thus protects the cell from osmotic damage. By selectively preventing these minerals, the cell's environment is kept stable.
What is cell membrane ?The cell membrane, also known as the plasma membrane, is found in all cells and serves to separate the cell's interior from the outside environment. The cell membrane is made up of a semipermeable lipid bilayer. The cell membrane controls the transport of materials into and out of the cell.
The ease with which a molecule can pass through the cell membrane is referred to as the cell membrane's permeability. It also refers to the rate of passive diffusion through the cell membrane.
Cell membranes function as both barriers and gatekeepers. They are semi-permeable, which means that some molecules can pass through but others cannot. Small hydrophobic molecules and gases, such as oxygen and carbon dioxide, rapidly cross membranes.
Thus, The cell membrane of tube worm cells is selectively permeable, preventing minerals in the water from flowing into the cells.
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Why is mri intrinsically insensitive technique?
"The correct explanation for why MRI is intrinsically insensitive is due to the low polarization of nuclear spins and the relatively small energy difference between the spin states.
Magnetic Resonance Imaging (MRI) relies on the magnetic properties of atomic nuclei, primarily hydrogen protons in the case of biological imaging. The sensitivity of MRI is fundamentally limited by the small population difference between the nuclear spin states, which is described by the Boltzmann distribution. At thermal equilibrium and in the presence of an external magnetic field, there is a slight excess of nuclei in the lower energy state compared to the higher energy state. This population difference is typically on the order of parts per million.
The energy difference between the spin states is proportional to the strength of the magnetic field and the magnetogyric ratio of the nuclei. For protons in a typical clinical MRI scanner, which operates at a magnetic field strength of around 1.5 to 3 Tesla, the energy difference is relatively small. This small energy difference results in a low level of polarization, which means that only a small fraction of the protons contribute to the net magnetization that is detected in MRI.
Furthermore, the energy associated with the transition between the spin states corresponds to radiofrequency (RF) photons, which are much lower in energy compared to the photons associated with transitions between electronic energy levels, as used in techniques like optical spectroscopy. The low energy of the RF photons means that the signal emitted by the nuclei when they return to the lower energy state is also weak.
To obtain a detectable signal, MRI systems use strong magnetic fields, sophisticated RF coils for signal detection, and signal averaging over many repetitions of the experiment. Despite these technical advances, MRI remains less sensitive than other imaging modalities that involve higher energy transitions, such as X-ray or gamma-ray based techniques.
In summary, the intrinsic insensitivity of MRI arises from the low polarization of nuclear spins due to the small energy difference between the spin states, which results in a small population difference at thermal equilibrium and a weak signal emitted during the relaxation process. This necessitates the use of high magnetic fields, sensitive detection coils, and signal averaging to achieve clinically useful images."
WHOS GOOD AT SCIENCE?! BRIANLIESTTT
1. During the process of cellular respiration, water becomes oxygen.
True
False
2. Which component is missing from the process of cellular respiration?
________ + Oxygen → Carbon Dioxide + Water + Energy
Sunlight
Sugar
Oxygen
Carbon
1. False
2. Sugar (glucose)
I took this test, and these were right ;)
Answer:
1-False
2-Sugar
Explanation:
1- During the process of cellular respiration, the glucose molecule is gradually consumed to form carbon dioxide and water.
2- Oxygen and glucose are the reactants in the process of cellular respiration. While the products of cellular respiration are carbon dioxide and water, which is subsequently transported out of your cell, to the red blood cells, and to the lungs to be exhaled.
Which energy conversion occurs during the process of photosynthesis?
In the process of photosynthesis, light energy is converted to chemical energy.
• The process by which green plants and some of the other organisms convert light energy into chemical energy is called photosynthesis.
• During the process of photosynthesis, the light energy is captivated and is utilized to transform carbon dioxide, water, and minerals into oxygen and other energy-rich organic compounds.
• In the absence of photosynthesis no synthesis of food will take place.
• The energy obtained by the process of photosynthesis is carried out by plants for millions of years and is accountable for the formation of fossil fuels used in industries.
Thus, during photosynthesis, light energy is converted to chemical energy.
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One of the structures that is unique to angiosperms
A patient exhibiting dermatitis, diarrhea, and dementia symptoms will most likely be lacking in which vitamin?
A patient with "the 4 D's" of dermatitis, diarrhea, and dementia and eventually death; is experiencing symptoms of lacking niacin (B3) and is suffering with is called Primary Pellagra. They are not getting enough niacin and tryptophan in their daily diet.
Secondary Pellagra is usually due to not being able to withstand niacin in a diet. Generally, alcoholism; severe diarrhea to the point of severe dehydration; and certain medications will cause this to happen.
In the diagram of the earths interior, which part causes the diffraction of P waves made by earthquakes?
Answer:
answer on the image
Explanation:
The part of the Earth's interior that causes the diffraction of P waves made by earthquakes is the transition zone labeled B.
What is the transition zone?The transition zone of the Earth's interior causes the diffraction of P waves made by earthquakes. As seismic waves travel through different materials in the Earth's interior, they bend or refract, causing some seismic stations to receive the waves and others to be in shadows.
This bending or diffraction of P waves is due to the changes in density and composition of the materials in the transition zone.
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Typically, higher-order streams contain ________ water than lower-order streams.
This is the process of cell reproduction where cells are split into two daughter of cells
The answer is cell division.
Which of the reactions of photosynthesis require pigments absorbing solar energy?
Answer:
During photosynthesis, a green pigment called chlorophyll is required to absorb solar energy. The reaction in photosynthesis that requires pigments to absorb solar energy is called LIGHT REACTION.
Explanation:
Light reaction is considered to be the first stage or phase during photosynthesis and the key elements that is needed for the reaction to take place is- sunlight and chlorophyll. Chlorophyll is a pigment that makes the leaves of the plant appear green. There is also another important function of chlorophyll that is to trap solar energy during the process of photosynthesis to convert the trapped solar energy into chemical energy- ATP molecules. These ATP molecules then form glucose- food for the plant.
Please select the word from the list that best fits the definition The energy from the sun that warms your face is transferred by a process called ______.
convection
convection
radiation
The right answer is Radiation.
Radiation, refers to the process of emission or propagation of energy and momentum involving a wave, a particle.
Solar radiation is the set of electromagnetic waves emitted by the Sun.
It is made up of the full range of radiation, from far ultraviolet like gamma rays to radio waves and visible light. Solar radiation also contains cosmic rays of moving particles of extremely high speed and energy.
Sunlight is necessary for human health:
* the day-night cycle holds most human biological cycles;
* Solar UV is necessary for the synthesis of vitamin D;
* Solar UV also contributes to the destruction of some living or surviving microbes or those that have contaminated bathing waters or waters that can be used as drinking water or irrigation, with less efficiency in turbid waters, or made turbid by human activities.
Answer:
3/c radiation
Explanation:
What do all of the hexoses have in common? What makes them different?
An aldohexose is a hexose having an aldehyde functional group at carbon number one. A hexose is a monosaccharide with six carbons.
What are hexose sugars?Allose, Altrose, Glucose, Mannose, Gulose, Idose, Galactose, and Talose are a few examples of common aldohexoses.
Hexose sugars include galactose, fructose, and glucose as examples. Hexose sugars have six carbon atoms and are monosaccharides, which means that each of these sugars is made up of a single molecule.
Each of these sugars has a unique chemical formula, which will determine how many hydrogen and oxygen atoms are present in each sugar.
A sugar containing six carbons, glucose has the chemical formula C6H12O6. Thus, there are 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms in glucose.
Therefore, a hexose has an aldehyde functional group at carbon number one.
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In order for an inherited genetic mutation to result in a phenotypic change for a recessive trait, which of the following must occur? A:The mutation must be inherited on the x chromosome. B:The mutation must be inherited by both parents. C:The mutation must be inherited from the mother. D:The mutation must be inherited from the father.
Answer:
The correct answer will be option-B.
Explanation:
The mutations take place in the nucleotide base pairs due to the substitution, addition or deletion of the base in the sequence.
These mutations could prove harmful or useful to the organism depending on the niche it is living. These mutations become established in the population only after they are transferred from the parents to the offsprings through the chromosomes of the parents.
Thus, the mutation must be inherited through the chromosomes of both the parents and Option-B is the correct answer.
Most of the diversity in the rates of cell division in the adult body lies in variations in the time that each cell spends in
Arrange the stages of mitosis shown in the diagrams in sequential order. Use the ABCDE labels on the drawings to indicate the order.
A)
a - b - c -d - e
B)
c - d - e - b - a
C)
b - c - d - a -e
D)
b - e - c - a -d
During heart surgery, red blood cells are damaged. When the blood passes through the lymphatic system, these damaged red blood cells are trapped and broken down by macrophages. In which organ in the lymphatic system does the breakdown of damaged red blood cells take place?
The right answer is The spleen.
The spleen belongs to the lymphatic system, its role and to filter the blood and purify it. It works mainly on the destruction and recycling of spent red blood cells (iron is used again for example for the production of hemoglobin).
Like the liver, the spleen also serves as a store of blood for the body.