Why are there different normal values for hemoglobin levels and rbc count in males and females?
Differences in normal values for hemoglobin and red blood cell counts in males and females are due to physiological differences between the genders. These differences can lead to conditions like anemia, when these levels are deficient, or polycythemia, when there's an overproduction of red blood cells.
Explanation:Hemoglobin levels and red blood cell counts have different normal values in males and females due to physiological differences between genders. Hemoglobin is a molecule present in erythrocytes (red blood cells) that carries oxygen, and a deficiency in its number or in the number of RBCs can result in a condition called anemia.
The volume of erythrocytes (also known as the packed cell volume or PCV) tends to differ in males and females. In normal conditions, erythrocytes make up about 45 percent of a blood sample. For females, hematocrit ranges from 37 to 47 percent and for males, hematocrit ranges from 42 to 52 percent. The gender-dependent difference in these hematocrit values accounts for the different normal values for RBC counts and hemoglobin levels in males and females.
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Water and soil pollution from oil and gas drilling is primarily what type of concern?
Which one of the following statements is accurate?
A. The green revolution was instrumental in the increase of the world's food supply B. Wheat, corn, soybeans, and cabbage are the main four plants responsible for
providing food to people in the world.
C. Gymnosperms provide humans with the most food.
D. Agriculture has been challenged by the use of selective breeding.
Which is not an age-related change that alters the integument? which is not an age-related change that alters the integument? reduction in dermal blood supply increased activity of merocrine sweat glands decreased epidermal production of vitamin d3 decrease in the number of dendritic cells?
What happens to the body when cirrhosis develops?
the liver fills with fat
______ tissue is part of rigid body structures, such as bone and cartilage.
Separation of the chromatids at the end of metaphase leads into the next phase, which is: select one:
a. interphase.
b. postmetaphase.
c. prophase.
d. anaphase.
e. telophase.
Why have PCBs been so hard to clean up in Puget Sound and connected rivers?
Exposure to light affects the body's production of _____, which helps regulate the sleep-wake cycle.
Looking into a microscope, you notice cells swimming, propelled by a long tail. what cell structure must these cells have in order to be mobile: ribosomes cytoplasm flagella peroxisomes smooth er
When might an increase in biodiversity lead to a decrease in the stability of an ecosystem?
Blood enters the pulmonary vein with close to ____________ of the binding sites for oxygen saturated.
The innermost layer of the eye, which contains the vision receptors, is the:
The innermost layer of the eye is the retina, which holds the vision receptors known as rods and cones. It is part of the neural tunic, which also includes the ganglionic and bipolar cells necessary for processing visual information.
The innermost layer of the eye, which contains the vision receptors, is the retina. This neural layer is essential for photoreception and consists of a complex multilayered structure, where light-sensitive cells known as rods and cones are located. The retina's role is to convert light that enters the eye into electrical impulses that can be interpreted by the brain. It rests upon the choroid coat and transforms the visual information into nervous signals through a complex arrangement of photoreceptors, bipolar cells, and ganglionic cells.
To understand this better, light must first travel through the fibrous tunic, the eye's outermost layer. The fibrous tunic is composed primarily of the sclera and cornea. Then, it moves through the vascular tunic, which includes the choroid, ciliary body, and iris, before reaching the neural tunic or retina. Here, in the fovea, the area of highest visual acuity, the light stimuli are focused. Within the retina, light is detected by the rods, which are highly sensitive in dim light, and the cones, which are sensitive to different colors of light.
Two weeks after conception, the developing individual has a heart, a brain, and other organs, and it is now called a(n) ______________.
If a plant cell contains more solutes than its surrounding environment, what will happen?
3. What types of cells does the cell theory apply to?
According to ppaca, what is a health benefits exchange?
A health benefits exchange is a marketplace established by states where individuals without health insurance and businesses that do not provide it for their employees can shop for different insurance plans. These exchanges were created to increase competition in insurance markets and lower policy prices.
Explanation:A health benefits exchange, according to the PPACA (the Patient Protection and Affordable Care Act), is a marketplace established by states where individuals without health insurance and businesses that do not provide it for their employees can shop for different insurance plans. These exchanges were created to increase competition in insurance markets and lower policy prices. The goal of these exchanges is to improve competition in the market for health insurance by allowing individuals and businesses to compare and choose from a variety of insurance options.
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Lastly, darwin noticed that islands species are ____________ related to species on nearby islands compared to the mainland.
Answer:
descent with modification
Explanation:
Using corn for energy is an example of _______.
Answer:
Biomass
Explanation:
i got it right on my test
Using corn for energy is an example of bioenergy or biofuel.
Bioenergy refers to the use of renewable biological resources, such as plants or plant-derived materials, to generate heat, electricity, or other forms of energy. In the case of corn, it can be converted into biofuels like ethanol, which can be used as a substitute for gasoline in vehicles.
Corn-based biofuels are considered renewable energy sources because the corn plants absorb carbon dioxide during their growth, offsetting the emissions produced when the biofuels are burned. This makes corn-based bioenergy a potentially sustainable alternative to fossil fuels for meeting energy needs.
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What's the connection between codon and specific amino acids?
A codon is a sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid or stop signal during protein synthesis.
Amino acids play central roles both as building blocks of proteins and as intermediates in metabolism.
The genetic code is traditionally represented as an RNA codon table because, when proteins are made in a cell by ribosomes, it is mRNA that directs protein synthesis. The mRNA sequence is determined by the sequence of genomic DNA. With the rise of computational biology and genomics, most genes are now discovered at the DNA level, so a DNA codon table is becoming increasingly useful
What type of organism would recycle a dead tree in a forest
Answer:a
Explanation:i dont lie
The nursing supervisor assigns a nurse to care for five clients in the intensive care unit (icu). the nurse notes that all the clients in the icu are at a risk of developing serious complications at any time. what course of action should the nurse take to handle the situation
A) State what type of cells each cell division type produces.Mitosis and Meiosis
B) State if the cells before each type of cell division are haploid or diploid. Mitosis and Meiosis
C) State if the cells after each type of cell division are haploid or diploid. Mitosis and Meiosis
How are recombinant plasmids used to treat diseases?
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Yoko ono often utilizes to complete her atrworks suchas wish tree
What is the priority nursing intervention for a client experiencing a dysrhythmia that continues to deteriorate and requires converting?
The nurse should reassure the patient will receive the best care in keeping with his written directives Cardiac dysrhythmias associated with altered myocardial automaticity, conductivity or contractility can effect cardiac output. Reduced cardiac output increases the risk of ineffective tissue perfusion. If the dysrhythmia is a life-threatening type, encourage the family unit to calmly formulate a plan of action.
What ph and temperature does a lactase enzyme supplement encounter?
A lactase enzyme supplement would experience a pH of about 4.5 in the stomach and a pH of 6 to 7.4 in the small intestine. The temperature would be the body's internal temperature of approximately 37°C (98.6°F). The performance of enzymes like lactase depends on these environmental factors, with extreme temperatures and pH levels potentially causing them to denature and lose functionality.
Explanation:A lactase enzyme supplement, when consumed, will first encounter the conditions of the stomach before reaching the small intestine. The stomach's environment is highly acidic, with a pH around 4.5. However, the environment in the small intestine, where lactase enzymes function optimally, is less acidic, with a pH from 6 to 7.4. Human body temperature, at approximately 37°C (or 98.6°F), is the temperature the lactase enzyme supplement will encounter.
The function of an enzyme is heavily influenced by its environmental conditions. For enzyme-catalyzed reactions, an optimal range of temperature and pH ensures the highest rate of reaction. Outside of this optimal range, both high temperature and extreme pH can cause enzymes to denature, lose their third-dimensional structure, and thereby lose their function. Specifically, enzymes have active site residues that have unique acidic or basic properties optimal for catalytic activities and are sensitive to changes in pH.
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A nurse hired to work in a metropolitan hospital provides services for a culturally diverse population. one of the nurses on the unit says it is the nurses' responsibility to discourage "these people" from bringing all that "home medicine stuff" to their family members. which response by the recently hired nurse is most appropriate?
which is the site of the most ATP production during cell respirationa A nucleus B model chondria C cytoplasm or D chloroplast
Answer:
The answer is mitochondria.
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do the protein polymers in our food have the same structure as the proteins polymers in our body
Proteins in our food and body have a similar structure, consisting of amino acids linked by peptide bonds. However, the specific arrangement and sequence of amino acids may differ.
Explanation:Proteins are polymers made up of nitrogen-containing monomers called amino acids. These monomers are linked together by amide bonds, also known as peptide bonds, via a condensation reaction. The proteins in our food and in our body have the same basic structure, consisting of a central carbon atom bonded to an amino group, a carboxyl group, and a variable side chain.
For example, in both our food and our body, proteins are made up of the same 20 amino acids. These amino acids form long chains held together by peptide bonds, which give proteins their unique structure and function.
Therefore, the protein polymers in our food have a similar structure to the protein polymers in our body. However, the specific arrangement and sequence of amino acids may differ, resulting in different types of proteins with unique functions.