what is the definition of homozygous

Prokaryotic and eukaryotic cells have different structures. Prokaryotic cells, found in organisms like bacteria, are simpler and lack a nucleus and other membrane-bound organelles. Eukaryotic cells, found in animals, plants, fungi, and protists, are more complex with a true nucleus and various membrane-bound organelles.

Prokaryotic and eukaryotic are two types of cells that are distinct in their structures. Prokaryotic cells are simpler and they are typically found in microorganisms like bacteria. Some unique characteristics include the lack of a nucleus and other membrane-bound organelles. They have a singular circular chromosome that is housed in the nucleoid region of the cell. On the other hand, eukaryotic cells are more complex and are found in animals, plants, fungi, and protists. They have a true nucleus that houses multiple, linear chromosomes and a variety of other organelles like the mitochondria, endoplasmic reticulum, golgi bodies and more that are all encapsulated within membranes. Thus, not all cells have the same structure because it varies depending on whether the cell is prokaryotic or eukaryotic.

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Final answer:

Lipids are generally hydrophobic due to their long hydrocarbon chains, which make them water-insoluble. However, compounds like phospholipids have amphipathic properties with both hydrophobic and hydrophilic regions.

Explanation:

The chemical property shared by lipids, which includes a range of biological molecules such as triglycerides, phospholipids, steroids, and prostaglandins, is their hydrophobic nature. This refers to the tendency of lipid molecules' long hydrocarbon chains to be unattracted to water and, therefore, insoluble in aqueous environments. However, some lipids, like phospholipids, display an amphipathic character due to the presence of both hydrophobic (the fatty acid tails) and hydrophilic (the phosphate group head) regions within the same molecule.

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.

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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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.

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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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.

Answer;

The date that frozen preparation-needed foods are to be consumed.

Explanation;

-According to the Food Code, proper food labels should NOT contain the date that frozen preparation-needed foods are to be consumed.

-Food labels are important as they can help limit the amount of fat, sugar and cholesterol in ones diet by making it easy for them to compare one food item with another and choose the one with lower amounts.

-Proper food labels should include; what the product is , when the food should be consumed by and also the best way to store the food item.

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.

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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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.

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.

which best describes technology?

your answer is: A. The creative use of science to solve problems

The somatic nervous system in conjugation with the central nervous system is responsible for sensing the knee pain and sending the signal to the brain to stop running and rest. These systems work together to control voluntary actions and perceive pain.

In the scenario where a person's knee hurt while running, the part of the nervous system responsible for notifying the person to stop running and rest is the somatic nervous system working in conjugation with the central nervous system. The somatic nervous system controls the voluntary movements of the body, including running. This system via peripheral nerves in the leg detects the soreness in the knee and relays this pain signal to the central nervous system, which involves the brain and the spinal cord. The brain perceives the pain and decision to stop running and rest is made. Similarly, conditions such as 'Runner's knee' are detected by this unique interaction of the somatic and central nervous systems.

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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.

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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the answer is e on Plato

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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.