Explain what the vertical bars on a climate diagram show
Which of these two genera has the most prominent mucilaginous sheath?
What products of digestion are transported by the lymphatic system and enter the blood circulation without passing through the liver?
Iaia is the notation used to describe one possible genotype. how many blood type genotypes are possible?
With open-choice mate selection, the ensuing marriages are totally subservient to:
When we say that something gives us “energy”, what does that mean? what is a biological definition of energy?
Which statements are true? Check all that apply. In eukaryotes, DNA is found in the cytoplasm of the cell. RNA is the nucleic acid that helps build proteins. DNA is the nucleic acid that carries genetic information. The structure of proteins is determined by DNA. A chromosome is made of RNA.
Genetic material is the factor that is responsible for transfer of traits from parent to offspring. Options B, C, and D are correct. DNA is the genetic material while RNA builds protein.
DNA:
DNA is the genetic material for all living organisms. It is the polymer of nucleotides. In Eukaryotes it is found inside the nucleus.
DNA is condensed to form chromosomes.DNA code for mRNA via the process of transcription.The mRNA has codons that code for amino acids (Protein) via the process of translation.Hence, Options A and E are incorrect.
Therefore, DNA carries the genetic information and is responsible for the structure of proteins.
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A heterogeneous mixture is a
Some native peoples of south america use the drug curare to poison the tips of their hunting arrows. when an animal is struck by the arrow, it goes limp and quickly suffocates. why?
The reason why the animal that has been struck by the arrow goes limp and quickly suffocates because the acetylcholine receptor sites are blocked and this was made possible because of the drug curare they use in poisoning the top of the arrows.
If a person experiences rapid breathing, muscle twitches, and perspiration when trying to quit using illegal opiates, he or she has probably developed _____.
Why? from the smallest single celled organism to the tallest tree, all life model 1?
At what age is a baby able to grasp with its thumb and fingers?
The ability to grasp objects with the thumb and fingers, known as the pincer grasp, typically develops around nine months of age. Before this, infants use a palmer grasp. Hence, the correct answer is around nine months. Option a is correct.
The ability to grasp objects with the thumb and fingers, is a significant developmental milestone for infants. This skill typically develops around nine months of age. Before this, infants use a palmer grasp, which involves using the whole hand to pick up objects. By nine to twelve months, infants refine their fine motor skills further, enabling them to pick up smaller objects using their thumb and index finger.Complete question as follows:
At what age is a baby able to grasp with its thumb and fingers?
a. around nine months
b. around 6 month
c. around 1 year
Visible light represents a very small portion of the electromagnetic spectrum. Radiation to the left in the image, such as microwaves, has a longer wavelength than visible light. Radiation to the right has a shorter wavelength than is observable. Which radiation has a higher frequency than visible light?
The right answer is Ultraviolet, X-ray and gamma radiations.
The relation between the wavelength and the frequency is thus:
λ = c / f
Previous relationship involves that the wavelength is inversely proportional to the frequency, and therefore that it is even higher than the frequency is weak, and vice versa.
High frequency (low wavelength) waves correspond to Ultraviolet, X-ray and gamma radiations.
Why do all macromolecules have in common with eachother they all act as catalyst
Imagine yourself in a dark classroom reading PowerPoint slides. If an audience member were to check the internet using her cell phone and causing her screen to light up, chances are that many people would notice the change in illumination in the classroom. However, if the same thing happened in a brightly lit classroom during a discussion, very few people would notice. The cell phone brightness does not change, but its ability to be detected as a change in illumination varies dramatically between the two contexts. This is an example of ________.
The scenario described is an example of Weber's Law. The ability to detect a change in a stimulus is proportional to the strength of the initial stimulus, according to Weber's Law, a psychophysical principle.
According to Weber's Law, a psychophysical principle, the ability to detect a change in a stimulus is proportional to the strength of the initial stimulus. In the example, the mobile phone screen's continual change in illumination is more obvious in the dark classroom due to the lower initial luminance.
Given that the relative change is more obvious in the darker setting, this illustrates Weber's Law. The same change is less obvious in a well-lit classroom since the relative change is smaller and the initial illumination level is higher. Weber's Law explains how the context and the stimulus's initial intensity affect how we perceive changes in stimuli.
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Give one advantage of using enzymes in industrial manufacturing processes
If you wanted to study climate change which fossil would be most useful? a fossil of an organism that is
Plant fossils would be most useful to study climate change. They are analyzed by paleobotanists to understand the climate at different periods in the Earth's history. Analysis of the evolution and fossil preservation of these plants provides clues about ancient climates and how they responded to environmental changes.
Explanation:If you wanted to study climate change, the most useful fossil would likely be that of an ancient plant, or paleobotany. Paleobotanists use plant fossils, or paleobotanical evidences, as a tool to understand the climate at different periods in Earth's history. This is because plants are very sensitive to climatic conditions and variations in their morphology and distribution can reflect changes in the climate.
Scientists can look in the fossil record to find ancient plants' most recent common ancestor and check other geological markers to see if the common ancestor is still present.
Fossils provide invaluable evidence of evolution with details of changes in organisms over millions of years. Understanding the evolution of such organisms, particularly plants, can offer clues about ancient climates and can help in predicting future climatic scenarios.
Through the study of evolution and fossil preservation, scientists can gain insights into how organisms adapted to their environment over time - this can include changes due to fluctuations in the climate. The careful study of these fossils can reveal details of the past environment and biome, further assisting in our understanding of past climate and ecosystems.
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why is it important to keep a microscope at least 10 cm from the edge of thr table?
Keeping a microscope at least 10 cm from the edge of the table is essential in order to prevent accidental damage from falls, which can impair the device's ability to produce high-quality, magnified images. The delicate lenses and components of microscopes need to be protected and maintained properly, a factor which extends to the microscope's table positioning.
Explanation:The importance of keeping a microscope at least 10 cm away from a table edge lies in the delicate nature of the instrument's construction. Microscopes are comprised of delicate components like lenses and bulbs that can be easily damaged if the microscope falls or is knocked over. A fall can scratch or break the lenses, which are carefully designed to refract light, and subsequently degrade the quality of the image produced.
A microscope's purpose is to create magnified images of small objects for easy viewing and understanding. A damaged lens could inhibit the microscope's ability to effectively magnify an image, altering the final image represented to the observer. Thus, keeping the microscope away from the edge helps protect it from accidental falls and damage.
Additionally, proper microscope maintenance involves practices that protect it from damage. These include cleaning the lenses, avoiding rapid changes in focus, not pushing an objective into a slide, and storing the microscope in a safe location when not in use. Thus, the position of the microscope on the table is an important aspect of caring for the device.
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Keeping a microscope at least 10 cm from the edge of the table is crucial to prevent accidental falls or damage to the equipment.
Placing the microscope too close to the edge increases the risk of it being knocked over, potentially causing costly damage or injury. Additionally, microscopes are delicate instruments that require stability to function properly.
Placing them too close to the edge of the table increases the likelihood of vibrations or disturbances, which can affect the accuracy of observations.
Therefore, maintaining a safe distance from the table's edge ensures the microscope remains stable and secure during use, enhancing both safety and the longevity of the equipment.
what does DNA stand for? also what does RNA stand for?
all lipids share what characteristics?
Final answer:
Lipids are hydrophobic and nonpolar molecules that do not dissolve in water. They include triglycerides, fatty acids, phospholipids, waxes, and sterols. Lipids serve multiple roles in cells, such as storing energy and forming cell membranes.
Explanation:
Lipids are a diverse group of compounds that share certain characteristics. They are hydrophobic (water-fearing) and do not dissolve in water. This is because they consist of nonpolar molecules, such as hydrocarbons that only have nonpolar carbon-carbon or carbon-hydrogen bonds. Examples of lipids include triglycerides, fatty acids, phospholipids, waxes, and sterols. Lipids have various functions in cells, including energy storage, insulation, and the building blocks of hormones.
Tascha is on a medication that increases the pH of the stomach and makes it alkaline. What is the effect of this medication?
the answer is e on Plato
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If a cell membrane were composed of only a phospholipid bilayer what properties would it have
Which is the most accurate description of ionic and covalent bonding
A. Both bonds happen when valence electrons are shared between atoms
B. Both bonds happen when valence electrons are transferred between ions
C. ionic bonds happen when valence electrons are transferred between ions
D. ionic bonds happen when valence electrons are shared between atoms
Answer:
The correct answer is option C. "ionic bonds happen when valence electrons are transferred between ions".
Explanation:
Ionic and covalent bonding are among the most common chemical bonds that take place to form molecules in nature. One important difference between these two types of bondings are that ionic bonds happen when valence electrons are transferred between ions, while in covalent bonds the valence electrons are shared instead of transferred. This difference makes ionic bonds weaker than covalent bonding.
____ can be metabolized for atp production.
Final answer:
Glucose, lipids, and glutamine can be metabolized to produce ATP, the main source of energy in cells. Glucose metabolism involves glycolysis and the Krebs cycle, lipids undergo β-oxidation, and glutamine feeds into the Krebs cycle. These processes are essential for cellular energy and biosynthesis.
Explanation:
Glucose, lipids, and glutamine can be metabolized for ATP production. Glucose is metabolized via glycolysis and oxidative phosphorylation (OxPhos), where each molecule of glucose can eventually lead to the generation of up to 34 ATP molecules. Glycolysis occurs in the cytosol and produces two molecules of ATP, while OxPhos takes place in the mitochondria, creating additional ATP by utilizing electrons from reduced cofactors like NADH and FADH2 which are produced during the Krebs cycle.
Lipid catabolism involves the process known as β-oxidation, which generates acetyl-CoA and reduced cofactors NADH and FADH2 that also contribute to ATP production through OxPhos. Glycerol, which stems from triglycerides breakdown, enters glycolysis as glyceraldehyde 3-phosphate. Lastly, glutamine can enter the Krebs cycle after being converted to α-ketoglutarate, participating in anabolic and catabolic reactions that eventually lead to ATP synthesis.
Which lists the three major groups of primates in the proper order from earliest to most recent?
Why do you think discoveries in genetics have been recognized with so many nobel prizes?
Final answer:
Discoveries in genetics have been recognized with many Nobel Prizes due to their impact on our understanding of inheritance, evolution, and human health.
Explanation:
Discoveries in genetics have been recognized with many Nobel Prizes due to the significant impact they have had on our understanding of inheritance, evolution, and human health. These discoveries have advanced our knowledge of how traits are passed down from one generation to another, the role of DNA in storing genetic information, and the mechanisms of genetic diseases. For example, the discovery of the structure of DNA by Watson, Crick, and Wilkins led to a better understanding of how DNA replication and protein synthesis occur, which revolutionized the field of genetics.
According to endosymbiosis theory, what is the most likely explanation for the origin of the two mitochondrial membranes
The endosymbiotic theory designates how a large host cell and consumed bacteria could simply become dependent on one different for survival, thus resulting in a permanent relationship. The explanation behind the origin of the two mitochondrial membranes is the inner membrane was derived from folding of the prokaryotic plasma membrane and the outer from folding in of the eukaryotic plasma membrane.
According to endosymbiosis theory, the most likely explanation for the origin of the two mitochondrial membranes is that mitochondria were derived from one cell engulfing another cell.
Explanation:The most likely explanation for the origin of the two mitochondrial membranes according to endosymbiosis theory is that mitochondria were derived from one cell engulfing another cell. The inner membrane of mitochondria is bacterial in nature, while the outer membrane is eukaryotic. This supports the idea that one membrane-bound organism was engulfed by another membrane-bound organism.
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Stitching of the large tissue that acts as a tendon and attaches muscles to bone is called
What would happen if you placed a slice of cucumber in distilled water hint distilled water is purer than
What is the role of the ozone?
Answer:
It protects earths surface from dangerous radiation is the correct answer.
Explanation:
ozone absorbs the ultraviolet rays and prevents the rays from reaching the earth's atmosphere.
ozone is present in the stratosphere region and the ozone present in this region is called the ozone layer and the about 10 percent ozone is present in the below region of the atmosphere called troposphere.
ultraviolet radiation is very harmful as it can cause cancer, damage to the crops and destroy some types of aquatic life.
ozone absorbs the ultraviolet rays and prevents the rays from reaching the earth's atmosphere.
ozone plays an important role in protecting the living things present on the earth as it acts as a guard to protect the earth from the harmful ultraviolet rays.