Answer:
The correct term matching to its definition is given below:
Explanation:
1. Transcription : the transfer of genetic code from DNA to an RNA.
2. Monohybrid cross: the breeding of two organisms which differ in a single trait.
3. Translation: converting the genetic code into the language of proteins.
4. Incomplete dominance : when genes are neither dominant nor recessive and display a blending of traits in the phenotype
5. Sex-linked genes: genes that are carried on the X chromosome
If your blood sugar is low from skipping lunch, what reaction will occur in yout liver cells
If a person skipped lunch is could cause a low blood sugar level and this will likely affect the liver cells in having it to react in which glycogenolysis occurs. This process in the liver cells is a way of breaking down glycogen in a way to fuel the body as it turns into glucose.
" each molecule of hemoglobin, when fully saturated, carries _______ molecule(s) of oxygen."
A plant heterozygous for yellow pod color (Yy) is crossed with a plant homozygous for green pod color (yy). Which trait is dominant? green pod color yellow pod color They are both recessive.
Answer: The correct answer is- Yellow pod color.
Dominant trait is an inherited characteristic in an organism that is expressed even when the organism has single copy of the allele for that trait. In other words it is expressed even when present in a hetrozygous state (like Yy in this case is for yellow pod color). Dominant trait is depicted by capital letter like Y for yellow pod color.
On the contrary, recessive trait is expressed only when present in a homozygous state (like yy for green pod color). The allele for this trait is depicted by small letter (like y for green pod).
As the allele for yellow pod color is Y and it is expressed in heterozygous state also (Yy), therefore, yellow pod color is a dominant trait.
Answer:
B
Explanation:
Pure water contains only water molecules that interact strongly with each other due to their , which are graphically depicted as δ+ and δ−.
Water molecules interact due to their polar nature, with the oxygen atom having a partial negative charge and the hydrogen atoms a partial positive charge. This creates a dipolar molecule that forms strong hydrogen bonds, significantly affecting the physical properties of water and making it a crucial solvent.
Explanation:Pure water consists of water molecules that interact strongly with each other, which is mainly due to their polar nature. A water molecule, H₂O, is considered a polar molecule because it has an uneven distribution of electron density. This leads to part of the molecule having a slight positive charge, while the other part has a slight negative charge, denoted as δ+ (delta positive) and δ- (delta negative), respectively.
The oxygen atom in a water molecule is more electronegative than the hydrogen atoms, meaning it attracts electrons more closely. This causes the oxygen atom to have a higher electron density, resulting in a partial negative charge. Conversely, because the oxygen atom attracts the shared electrons more strongly, the hydrogen atoms end up with a partial positive charge. The representation of these charges within a molecule by δ+ and δ- symbols helps to understand why water molecules have a dipole moment and can form hydrogen bonds with each other, which are stronger than conventional dipole-dipole interactions.
These hydrogen bonds immensely influence the physical properties of water, making it a unique solvent which is vital in many biological and chemical processes. The highly polar nature of water molecules facilitates interactions with other polar substances, playing a crucial role in human physiology and the behavior of many compounds.
. What led to the collapse of the Atlantic Cod fishery? A) the lack of understanding regarding ocean food webs B) ocean floor trawling C) construction of modern fishing fleets D) consumption of fish and chips E) all of the above
Answer:
E) All of the above
Explanation:
got it right on edge
what happens as a chemical bond forms between two identical atoms
List examples of biological macromolecules that rely on hydrogen bonding
Answer:
DNA, RNA and proteins.
Explanation:
Hydrogen bonds are the most intense type of intermolecular force that occurs between permanent dipoles of molecules, where the positive pole is always hydrogen, and the negative pole can be fluorine, oxygen or nitrogen, because these elements are very electronegative, that is, they attract the electrons of the double bond more strongly and have a negative partial charge.
Hydrogen bonds are very important to maintain the structure and function of many biomolecules, among which we can mention: DNA and RNA (hydrogen bonds unite the nitrogenous bases responsible for the formation of DNA and RNA strands), and proteins ( hydrogen bonds allow proteins to assume their three-dimensional structure.)
Predict how a glucose test strip and iodine would react to grapes, tomatoes, summer squash, oranges, and bell peppers
Answer:
Glucose test strip:To check or analyze the level of sugar or glucose inside the blood medium.The glucose test strip is taken into consideration in order to execute the function or operation for the medical purpose. Now there are different elements which are present inside the blood medium. As we have the glucose molecules inside the molecules of grapes, tomatoes, summer squash and the oranges and bell pepper. So, we will get the following results from the given test.
The glucose strip is of yellow color when no glucose is detected. And in case of the presence of any sugar molecules present it will turn into shades of green.As it will determine the presence of glucose molecules. So, the more the color gets darker the higher will be the concentration of glucose being placed on the strip for measurement purposes.In order to beat, the heart needs three types of cells. describe the cells and their function.
What difficulty may result if a chromatographic column is not placed in a vertical position?
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
how do cells tissues organs and organ systems work together in a multicellular organism
In a multicellular organism, cells of similar types form tissues. Various tissues working in unison form an organ and several organs functioning together make up an organ system. All organ systems work collectively to form a complete, functioning organism.
Explanation:In a multicellular organism, cells, tissues, organs, and organ systems work together harmoniously to ensure the survival and well-being of the organism. Starting at the smallest level, cells of a similar type join together to perform shared functions, forming a tissue. An example of this is muscle tissue, which is made up of multiple muscle cells.
When several tissues work together to perform a complex function, they form an organ. A good example of this is the heart, which contains muscle tissue, connective tissue, and nervous tissue. Several organs functioning together for a larger role create an organ system. For instance, the heart and blood vessels work together to form the circulatory system.
Finally, all of the organ systems of a multicellular organism work together, each performing their necessary functions, to create a complete, functioning organism. This whole-organism level of organization allows each part to contribute to the life and health of the organism, creating a complex but coordinated entity that can react to stimuli and maintain its own life processes.
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Max weber argued that we need to understand the meanings that people give to their actions and ideas. do you agree or disagree with weber? why?
A species of rose (plants) lacks thorns. how would biologists explain how a species of rose lacking thorns evolved from an ancestral rose species with thorns?
A thornless rose species likely evolved due to natural selection where thornless variants had an advantage, leading to increased prevalence of this trait over time.
Biologists would explain the evolution of a species of rose without thorns as a process influenced by natural selection and genetic mutations. Thorns are mechanical defenses that protect roses from herbivores, but in some environments, thorns may not be necessary, or their costs may outweigh their benefits. A mutation might arise that results in a rose without thorns. If the environment favors thornless roses due to decreased pressure from herbivores or energy savings, these thornless roses would have a selective advantage.
Over generations, the frequency of the thornless trait would increase in the population, leading to a new species of thornless roses through the process of evolutionary adaptation.
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.
What organelles in a human cheek cell are visible using a compound light microscope?
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 is dark matter and why are scientists looking for it?
We are much more certain what dark matter is not than we are what it is. First, it is dark, meaning that it is not in the form of stars and planets that we see. Observations show that there is far too little visible matter in the universe to make up the 27% required by the observations.
The main purpose is to gain an understanding of the matter that comprises 85 percent of the universe. Once we directly determine how dark matter interacts with normal matter in a nongravitational way, we will also gain an understanding about the larger-scale structures that we see in the universe.
Dark matter refers to a hypothetical form of matter that does not interact with light or other electromagnetic radiation. It does not emit, absorb, or reflect light, making it invisible and difficult to detect directly. Scientists believe that dark matter makes up a significant portion of the universe's total mass, but its exact nature remains a mystery.
There are several reasons why scientists are actively searching for dark matter:
1. Galactic Rotation Curves: The first evidence for dark matter came from observations of the rotation curves of galaxies. The rotation curves of galaxies indicate that there is more mass in the galaxy than can be accounted for by visible matter such as stars and gas. Dark matter is believed to provide the extra mass necessary to explain these observations.
2. Gravitational Lensing: Dark matter also affects the bending of light, known as gravitational lensing. By studying the distortion of light from distant objects, scientists can indirectly infer the presence of dark matter.
3. Structure Formation: Dark matter plays a crucial role in the formation of large-scale structures in the universe, such as galaxies and galaxy clusters. The distribution of dark matter helps explain how galaxies cluster together and form structures observed in the universe.
4. Cosmic Microwave Background Radiation: The cosmic microwave background radiation (CMB) is the residual radiation from the Big Bang. By studying the CMB, scientists can gain insights into the early universe. The distribution and properties of dark matter influence the patterns seen in the CMB.
5. Particle Physics: Scientists are also looking for dark matter particles through various experiments, such as underground detectors or colliders. These experiments aim to directly detect the elusive dark matter particles and determine their properties.
Understanding dark matter is essential for a comprehensive understanding of the universe's composition and evolution. It could potentially answer fundamental questions about the nature of matter, gravity, and the structure of the universe. By continuing to search for dark matter, scientists hope to unlock the mysteries of our universe and expand our knowledge of the fundamental laws that govern it.
Dark matter is a hypothetical type of matter that scientists believe exists in the universe. It has not been directly observed, but its presence is inferred from its gravitational effects on visible matter and light. Scientists are looking for dark matter because its existence would help explain certain phenomena that cannot be explained by the presence of ordinary matter alone.
One of the reasons scientists are interested in dark matter is because it appears to make up a significant portion of the total mass of the universe. Observations of the rotation of galaxies and the movement of galaxy clusters suggest that there is more mass present than can be accounted for by visible matter. Dark matter is believed to make up about 85% of the total matter in the universe.
Another reason scientists are searching for dark matter is to better understand the formation and evolution of galaxies. The gravitational pull of dark matter is thought to have played a crucial role in the formation of large-scale cosmic structures, such as galaxies and galaxy clusters. By studying dark matter, scientists hope to gain insights into the processes that have shaped our universe.
While the exact nature of dark matter remains a mystery, scientists are using various methods to detect and study it. These include direct detection experiments, where sensitive detectors are used to look for interactions between dark matter particles and ordinary matter, as well as indirect detection methods that involve looking for the products of dark matter annihilation or decay.
In conclusion, scientists are searching for dark matter because its presence would provide a solution to some of the unanswered questions in astrophysics. Understanding dark matter is important for our understanding of the structure and evolution of the universe.
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
You are looking at very lightly stained cells under the microscope, and you want to increase the contrast so that you can see them "better." you ________ the iris diaphragm to ________ the light.
To enhance the contrast of lightly stained cells under a microscope, one needs to close the iris diaphragm to decrease the light. This change improves visibility by heightening the contrast but remember to find a balance because too much or too little light can obscure the details.
Explanation:When observing very lightly stained cells under a microscope and seeking to improve contrast, you should close the iris diaphragm to decrease the light.
The iris diaphragm is a part that manages the amount of light reaching the specimen. By reducing the light that comes through, you heighten the contrast, thus making the cells more visible. A key thing to remember when using the microscope is that both too much and too little light can wash out the details of the specimen, so finding the right balance is crucial.
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The part of the brain whose anatomy is most similar to the spinal cord is the _______.
Corn lacks the essential amino acids isoleucine and lysine. beans lack the essential amino acids tryptophan and methionine. soy contains all the essential amino acids. why do many traditional diets combine corn (e.g., tortillas) with beans? a. to provide additional micronutrients b. to provide all the essential fats c. to provide all the essential amino acids d. to act as a multivitamin e. all of the above are reasons.
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
A drug that reduces inflammation is most likely affecting which type of organic biochemical
Which of these organism is most likely 50 meters in size
Answer: tree
Explanation:
"what is total volume of the gas-exchanging region of the lungs?"
What device can be used to make measurements globally?
A satellite can be used to make measurements globally.
A satellite (it allows us to see large areas of Earth at one time). It also can collect more data, more quickly, than any instruments on the ground. A satellite can send different kinds of signals to different locations on Earth and improve global communication (measurements). It is an object in space that orbits around a bigger object. This question is related to artificial satellites. The first artificial satellite was the Sputnik.
Sugar dissolves readily in water because it is a(n) ____ substance
Answer:
The answer that fits the blank space is hydrophilic.
Explanation:
A hydrophilic substance is basically a substance with a very high polarity. If something has a high polarity, it's needed to know where is this polarity, because remember, a polar substance can have non polar and polar bonds, it depends on lots of factors. After stablishing that, we can check the hydrogen bonds, with that, we can confirm that this substance (sugar) will easily dissolve in water.
"what is the function of the lipid bilayer in a cell membrane"
The lipid bilayer work as cell membrane which check the flow of molecules in and out of the cell. It work like selectively semipermeable membrane.
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Which monosaccharide is the monomer that forms glycogen and starch
Answer:
A monosaccharide found in the blood is the monomer that forms glycogen and starch is Glucose.
Glucose is a six-carbon molecule (classed as a hexose) sugar with having formula C6H12O6, where 5 hydroxyl groups are arranged in a way along with 6 carbon molecules back. It is the most abundant monosaccharide (a subcategory of carbohydrates). Glucose is mainly synthesized by plants and most algae during the photosynthesis process from water and carbon dioxide, using energy comes from sunlight.