Answer:
The scientific models specifically have a role in determining the outcomes in the circumstances where it would not be possible to perform experiments or treatments in order to obtain a result. These models utilize logical deduction and information in order to instigate some of the factors and formulate an outcome on the basis of the input. While these models are hypothetical, they rely upon the proven scientific information and can be close in determining the natural process.
what must obtain energy through their diets
Answer:
Heterotrophs
Explanation:
The organisms that can not make their own organic food obtain the energy and nutrition from the food they eat. These organisms that depend on plants or other organisms for their energy are called heterotrophs.
For example, the human can not carry out photosynthesis as plants do. So, human obtain their energy from the food derived from plant and/or animal sources they eat.
A geneticist is studying two genes. each gene can be either dominant or recessive. a sample of 100 individuals is categorized as follows. gene 1 gene 2 dominant recessive dominant 56 24 recessive 14 6 (a) what is the probability that a random sampled individual, gene 1 is dominant (b) what is the probability that a random sampled individual, gene 2 is dominant (c) given that gene 1 is dominant, what is the probability that gene 2 is dominant
The probability of a random individual having dominant gene 1 is 56%, the probability of having dominant gene 2 is 70%, and the probability of gene 2 being dominant given that gene 1 is dominant is 89.2%.
Explanation:To find the probability that a random sampled individual has a dominant gene for gene 1, we need to divide the number of individuals with dominant gene 1 by the total number of individuals. In this case, there are 56 individuals with dominant gene 1 out of a total of 100 individuals, so the probability is 56/100, which simplifies to 0.56 or 56%.
Similarly, to find the probability that a random sampled individual has a dominant gene for gene 2, we divide the number of individuals with dominant gene 2 by the total number of individuals. In this case, there are 70 individuals with dominant gene 2 out of a total of 100 individuals, so the probability is 70/100, which simplifies to 0.7 or 70%.
To find the probability that gene 2 is dominant given that gene 1 is dominant, we consider only the individuals with dominant gene 1. Out of the 56 individuals with dominant gene 1, 50 individuals also have dominant gene 2. So the probability that gene 2 is dominant given that gene 1 is dominant is 50/56, which simplifies to 0.892 or 89.2%.
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Where is most of a healthy person’s fat stored?
Option a) under the skin and around organs. Most of a healthy person's fat is stored under the skin as subcutaneous fat and around organs as visceral fat. Excess visceral fat poses health risks, making fat distribution an important health consideration.
The correct answer to where most of a healthy person's fat is stored is a) under the skin and around organs. Fat is stored as subcutaneous fat just under the skin, as well as visceral fat that is found deeper in the body surrounding vital organs. This fat plays a crucial role in protecting organs and providing energy when needed. However, an excess of visceral fat, especially around the abdominal area, is associated with increased health risks, such as cardiovascular disease and type 2 diabetes. Recognizing the distinction between these types of fat storage is important for understanding one's health and the implications associated with varying fat distribution patterns.
Complete Question:
Where is most of a healthy person’s fat stored?
a) under the skin and around organs
b) in muscle tissue and cartilage
c) inside organs and skin cells
d) in the stomach and liver
Which nursing interventions should be included in the plan of care while cora is in traction?
what happens as a chemical bond forms between two identical atoms
Josh finds that there definitely is a relationship between enzyme action and temperature and graphs his results. The enzyme functions as a biological catalyst and has its optimum effectiveness at A) 30 degrees. B) 39 degrees. C) 59 degrees. D) 60 degrees.
Answer:
B) 39 degrees
optimum means highest so the highest degree is 39 degrees.
Why is isopropanol miscible with cyclohexane?
Final answer:
Isopropanol is miscible with cyclohexane because it has a balance of polar and nonpolar characteristics, with its three carbon chain making it less polar, hence a better solvent for relatively nonpolar substances such as cyclohexanone. The 'like dissolves like' principle supports this miscibility.
Explanation:
Isopropanol is miscible with cyclohexane because it has a balance of polar and nonpolar characteristics which allows it to dissolve both polar and nonpolar substances. While isopropanol can form H-bonds with compounds like cyclohexanone due to its hydroxyl group, its three carbon chain imparts some nonpolarity, making it less polar compared to methanol. Hence, isopropanol is the better solvent for the relatively nonpolar cyclohexanone because like dissolves like; the nonpolar aspects of isopropanol are compatible with the nonpolar nature of cyclohexane.
The principle that 'like dissolves like' refers to the tendency for solvents to dissolve solutes that have similar intermolecular forces. Cyclohexane, being nonpolar, will better associate with isopropanol's nonpolar alkyl chain, resulting in strong solute-solvent interactions. This leads to a miscible mixture, as opposed to a mixture with a compound that has significantly different polarity, which might not be miscible.
On the other hand, compounds like ethanol and methanol have more extensive hydrogen bonding capacities due to their shorter alkyl chains and stronger polarity, which might not blend as well with the nonpolarity of cyclohexane, potentially leading to immiscibility.
Cryptozoology is a field of study aimed at proving the existence of mystery animals such as Bigfoot and the Loch Ness monster. Why is cryptozoology not considered a true science?
Answer:
The answer is Cryptozoology is a pseudoscience that is incompatible with the scientific method
Explanation:
Cryptozoology is a practice that tries to prove the existence of extinct, mythological or folkloric animals. Cryptozoology is a pseudoscience, which is a belief or practice that is presented as scientific and factual, but is incompatible with the scientific method, since it is characterized by the use of vague, contradictory, exaggerated or infallible statements.
2. Many pathogenic bacteria species are becoming resistant to antibiotics. Explain how such adaptations can develop through the process of natural selection.
what is the answers at
What type of model is a computer game?
Identify and explain three major issues that cut across psychology
Time/Temperature Control for Safety Food (TCS)
Answer:
41-135 degrees
Explanation:
The rate at which a substance passes through a semipermeable membrane is determined
Final answer:
The rate at which a substance passes through a semipermeable membrane is influenced by molecule size, concentration gradients, and the substance's physical and chemical properties, illustrating the principles of hyper-, hypo-, and isotonic conditions.
Explanation:
The rate at which a substance passes through a semipermeable membrane is determined by several factors, related to the properties of the membrane and the substance itself. A semipermeable membrane is characterized by its selectivity, allowing certain molecules to pass through while blocking others. This selectivity is significantly influenced by the size of the molecules, the concentration gradient across the membrane, and the physical and chemical properties of the molecules in question.
The principles of hyper- (higher concentration), hypo- (lower concentration), and iso- (same concentration) are key to understanding how substances interact across a semipermeable membrane. The efficiency and direction of molecular movement across such membranes underscore the intricate balance necessary for cellular function and molecular transport in biological systems.
What are the characteristics of Science ?
Final answer:
Science is based on evidence and logic, open to revision, testable, and predictive.
Explanation:
Based on evidence and logic: Science relies on gathering evidence through systematic study and making logical conclusions based on that evidence.
Open to revision: Scientific ideas are open to revision and change as new evidence and information becomes available.
Testable: Scientific ideas can be tested through experiments or observations.
Predictive: Science can make predictions about natural phenomena based on established theories and principles.
Advantage of multicellular organisms
Final answer:
Multicellular organisms have specialized cells that enhance survival through division of labor, forming tissues, organs, and organ systems. Sexual reproduction in these organisms promotes genetic diversity, which is advantageous for adaptation. The complex organization of multicellular organisms allows for refined control of biological processes.
Explanation:
One critical advantage of multicellular organisms is their ability to undergo specialization. In these organisms, different cells perform specific functions, optimizing efficiency and survival. Specialized cells in multicellular organisms come together to form tissues, which organize into organs, and further into organ systems, allowing for advanced functions that single cells cannot accomplish alone.
For example, in human beings, there are muscle cells, nerve cells, blood cells, and many others, each designed for particular tasks. These cells form tissues like muscle tissue or nerve tissue, which then combine to make organs such as the heart or brain. Organ systems like the circulatory system transport nutrients and oxygen to these organs, facilitating division of labor within the organism. This compartmentalization enhances not only survival but also complex behaviors and adaptations.
Another advantage is the potential for sexual reproduction, which promotes genetic diversity. Most multicellular organisms reproduce sexually, yielding offspring with unique genetic combinations, which can be beneficial for adapting to changing environments or resisting diseases.
Signal transduction is a process that takes longer in multicellular organisms due to the complexity of their bodily structures. Yet, this complexity allows for precise control and regulation of biological processes, underscoring the sophistication of multicellular life forms.
The innermost, soft core of the hair shaft is the
The cortex, a layer of compressed, keratinized cells, surrounds the medulla, the central core of the hair, and the cuticle, an exterior layer of extremely hard, keratinized cells. A longitudinal cross-section of the hair follicle shows these layers.
What is the hair shaft?The visible portion of the hair that protrudes from the skin is called the shaft.
The hair root is located in the skin and extends into the skin's deeper layers. The hair follicle, which is encased in a sheath of connective tissue and skin, surrounds it and is joined to a sebaceous gland.
The portion of the hair shaft that is not attached to the follicle is largely exposed at the skin's surface.
The remainder of the hair, which is rooted in the follicle, is referred to as the hair root and is located underneath the skin's surface.
Therefore, the medulla is the innermost, soft core of the hair shaft.
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what kind of data would you need to collect to carry out this experiment to see if corn plant grow faster then peas plants
What organelle must temporarily break apart so that the dna can divide up?
The organelle that must temporarily break apart to allow DNA division (replication) to occur is the nuclear envelope. The nuclear envelope is a double membrane structure that surrounds the nucleus of eukaryotic cells.
The nuclear envelope is a double membrane structure that surrounds the nucleus of eukaryotic cells. It separates the cell's genetic material (DNA) from the cytoplasm, where most of the cell's activities take place. During DNA replication and cell division (such as mitosis and meiosis), the nuclear envelope needs to be disassembled to allow the DNA to be accessed and replicated. In preparation for cell division, the nuclear envelope disassembles to allow the DNA to be replicated and divided into daughter cells.
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During prophase, the nuclear envelope dissociates into small vesicles and organelles like the Golgi complex and endoplasmic reticulum fragment and disperses toward the periphery of the cell. This process enables the division of DNA.
Explanation:During prophase, the nuclear envelope starts to dissociate into small vesicles, and the membranous organelles (such as the Golgi complex or Golgi apparatus, and endoplasmic reticulum), fragment and disperse toward the periphery of the cell. The nucleolus disappears (disperses). The centrosomes begin to move to opposite poles of the cell. Microtubules that will form the mitotic spindle extend between the centrosomes, pushing them farther apart as the microtubule fibers lengthen. The sister chromatids begin to coil more tightly with the aid of condensin proteins and become visible under a light microscope.
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During a client interview, a client diagnosed with delusional disorder states, "i know my spouse is being unfaithful to me with a colleague from work."the nurse interprets the client's statements as suggesting which type of delusion?
What shape of fiber is wool?
Answer:
The wool fiber is cylindrical in shape, resembling a flat tube.
Explanation:
The natural hair coat of sheep commonly called sheep, sheep, lambs or lambs is called wool. The wool hairs grow from the epidermis of the animal and are more or less short, thin and wavy. These are the characteristics that will define the quality of the wool type.
The shape of the wool fiber is more or less cylindrical, resembling a flat tube. Each fiber consists of a point, a shaft and a root. The tip only exists in first shearing fibers. The root consists of a bulb that is softer than the stem and where the cells are developing.
Water molecules are____due to____bonding. This property helps water molecules to stick to each other and allows for the movement of water from plant roots up to plant leaves
which of the following animals exhibits bilateral symmetry
Answer:the answer is D(the seahorse
Explanation: From source
Light is passed through a solution with a light path of 1 cm and the absorbance is recorded as 0.30. If light is passed through the same solution at the same wavelength and the light path is increased to 2 cm, the absorbance should be
The red blood cell liposomes are more hypertonic relative to water than the frog egg liposomes.
The red blood cell liposomes are more hypertonic relative to water than the frog egg liposomes.
True, because they contain more ion channels which provide higher concentrations of ions.
True, because the concentrations of Na and Ca ions in red blood cells liposomes are higher than those of the frog egg liposomes.
False, because the interior solution in both sets of liposomes is the same.
False, because the concentrations of Na and Cl ions in red blood cells liposomes are lower than those of the frog egg liposomes.
The hypertonicity of red blood cell liposomes and frog egg liposomes would depend on the respective concentrations of solutes, notably ions, within each. Carrying out measurements of these concentrations is crucial for a definitive comparison. Ion channels do not directly influence hypertonicity.
Explanation:Whether the red blood cell liposomes are more hypertonic relative to water than the frog egg liposomes depends on a few factors. To determine this, we would need to measure the concentrations of various ions in both types of liposomes.
In general, a solution is considered hypertonic if it has a higher concentration of solutes. Therefore, if the concentration of ions, particularly Na and Ca ions, in the red blood cell liposomes, is higher than the frog egg liposomes, then they would be more hypertonic. However, without specific concentrations, we cannot definitively say one is more hypertonic than the other.
It's also important to note that the presence of ion channels doesn't necessarily make a solution more hypertonic, as the hypertonicity is influenced by the concentration of solutes within the solution, not the pathways for solute movement.
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The red blood cell liposomes contain more aquaporins than the frog egg liposomes true or false
Julie discussed wanting to become pregnant with her gynecologist. that doctor required julie to have a thorough physical examination by her internist, including ensuring all vaccinations were up to date before becoming pregnant. once the gynecologist received the internist's report that julie's medical examination was normal, he referred her to another physician in his practice, an obstetrician. an obstetrician is a _____.
An obstetrician is a doctor who specializes in caring for women during pregnancy and childbirth, within the field of obstetrics and gynecology.
An obstetrician is a doctor who specializes in the care of women during pregnancy and childbirth. Obstetrics and gynecology (OB/GYN) is a branch of medicine focusing on the diagnosis, treatment, and management of the female reproductive system, including during the prenatal period.
Reproductive endocrinologists further specialize within this field, requiring additional training and board certification to practice.
At which site on the ribosome does the transfer rna dock initially during elongation?
Which dna sequences are complementary to 5’ catggacta 3’?
Daily rhythms of sleep and wakefulness are regulated by the _____, which is found in the _____.
How and why can virtually all organisms-plants, animal, and bacteria- use the exact same energy molecule, ATP?