Answers
Answer:
All living things are composed of cells.
Cells are the basic units of structure and function for living things.
All cells come from pre-existing cells. Also, organisms grow by “adding on more cells” NOT by increasing the size of their cells.
Explanation:
Related Questions
Give an example of a situation where gene expression without regulation could potentially harm an organism.
Answers
An example of a situation where gene expression without regulation could potentially harm an organism is in the development of cancer.
Cancer is often caused by mutations in genes that control cell growth and division. These mutations can cause these genes to be expressed in an unregulated manner, leading to uncontrolled cell growth and the formation of tumors.
Without regulation of gene expression, the cell can continue to divide and grow out of control, eventually leading to the development of cancer. Gene regulation mechanisms, such as DNA methylation, histone modification, and microRNA, are critical in preventing the uncontrolled expression of genes that can lead to cancer.
Thus, the regulation of gene expression is essential for maintaining normal cellular function and preventing the development of diseases like cancer.
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When females go through meiosis to create gametes it is very different than males. Explain what happens
during oogenesis, be sure to include polar bodies in your explanation.
Answers
Oogenesis results in the production of one functional egg and several polar bodies that are eventually discarded, ensuring the preservation of cytoplasmic resources in the egg for successful fertilization and early embryonic development.
During oogenesis, the process of producing female gametes or eggs, the primary difference compared to males is the uneven division of cytoplasm. In humans, oogenesis begins during fetal development and continues throughout a woman's reproductive life.
In the ovary, oogonia (diploid cells) undergo mitosis to increase their number. One of the resulting cells becomes the primary oocyte, which enters meiosis I but pauses in prophase I until puberty. Each month after puberty, one primary oocyte resumes meiosis I and divides asymmetrically. The division produces a secondary oocyte and a small polar body, which contains a minimal amount of cytoplasm. The secondary oocyte then enters meiosis II but pauses again in metaphase II.
If fertilization occurs, the secondary oocyte completes meiosis II, yielding a mature egg (ovum) and another polar body. The mature egg contains the bulk of the cytoplasm and organelles necessary for embryonic development. The polar bodies, though non-functional, ensure that the cytoplasm is concentrated in the egg and help preserve the genetic material.
Overall, oogenesis results in the production of one functional egg and several polar bodies that are eventually discarded, ensuring the preservation of cytoplasmic resources in the egg for successful fertilization and early embryonic development.
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question in the picture let me know please & thank you <3
Answers
Answer:
The Third Option! :)
Explanation:
A glider is a motorless airplane. In addition to size, which would be the main things to consider when designing a glider to cover a large distance?
Select one:
a.
environmental impact and mass
b.
cost and environmental impact
c.
strength and cost
d.
mass and strength
Answers
D. mass and strength. Early gliders were mostly built of wood, with metal stays, fasteners, control cables. For strength, lightness, later wings made of wood, fabric were coupled with steel tubes in fabric as fuselage.
Since then, performance has been improved by using new materials including carbon fibre, fibre glass, and Kevlar. Due to its strong strength to weight ratio and capacity to provide a smooth outside surface to reduce drag, this material is still utilised today. Improved aerodynamics and retractable undercarriages have also reduced drag. Some gliders have wings with flaps attached to the trailing edges to maximise lift and drag at a variety of speeds. The performance of gliders has been better with each new generation of materials and with advances in aerodynamics.
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what are important of some natural things
Answers
Answer:
Because it helps us by different ways.Like forests helps us by taking carbon dioxide and by throwing out Oxygen. Water helps us in different types of household works like cooking,bathing, e.t.c
Answer:
mostly natural things are the base for our man made stuff..so without natural things no made made things would exist
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what do you call the very fine particles that you formed after pounding the pieces of rocks with a hammer
Answers
Answer:
fine particles (silt and clay) are moved to areas of still water (off-shore settings). the majority of these particles are made up of clay minerals, which are weathering products of feldspars and ferro-magnesian minerals.
Answer:
You call them minerals
Explanation:
EOS evolution review answers
Answers
EOS lip balms stand out due to their innovative design, natural ingredients, variety of flavours, long-lasting formula, and commitment to quality and user satisfaction.
EOS (Evolution of Smooth) lip balms have introduced several key advancements and improvements compared to traditional lip balms. Here are some notable features:1. Unique Shape and Design: EOS lip balms come in a distinctive spherical shape, making them easy to apply and enhancing the user experience. The design allows for smooth and even coverage, while the shape makes it convenient to locate in bags or pockets.2. Natural and Nourishing Ingredients: EOS lip balms prioritize natural ingredients, such as shea butter, jojoba oil, and vitamin E, which provide deep hydration and nourishment for the lips. These ingredients help to keep the lips moisturized, soft, and healthy.3. Variety of Flavors: EOS offers a wide range of appealing flavors, allowing users to choose their preferred scent and taste. This variety adds a pleasant and enjoyable element to the lip balm experience.4. Long-lasting Formula: The formula of EOS lip balms is designed to provide long-lasting moisture, reducing the need for frequent reapplication. This feature is particularly beneficial in dry or harsh weather conditions.5. Gluten-Free and Dermatologist-Tested: EOS lip balms are often gluten-free and undergo dermatologist testing, ensuring that they are safe for use and suitable for individuals with specific sensitivities or preferences.Overall, EOS lip balms stand out due to their innovative design, natural ingredients, variety of flavors, long-lasting formula, and commitment to quality and user satisfaction.For more questions on Evolution
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Note: The correct question would be as
What are the key advancements and improvements in EOS (Evolution of Smooth) lip balms compared to traditional lip balms?
Which of the following scenarios will decrease the genetic variation of a population?
Answers
Answer:
population of birds suddenly decrease their frequency of sexual reproduction.
Explanation:
This is the answer to quiz accordingly.
What is the right answer
Answers
Answer: Full Moon
Explanation: The Earth blocks the sunlight radiated for the Moon, so parts of the moon would be shadowed by the earth as seen by people. You do actually, see the entire phase of the round ball during a Full Moon. It is during when the Earth's orbital plane is inclined, or angled, by a few degrees from the ecliptic plane, meaning the Earth doesn’t block its sunlight during this time.
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Which best describes the law of independent assortment?
A. The F2 generation will be identical to the F1 generation.
B. Traits can only be controlled by a single gene.
C. Alleles of a trait separate independently when gametes form.
D. The traits of an offspring are independent from the parents.
S
Answers
Answer:
Alleles of a trait separate independently when gametes form.
Explanation:
just answered it
The statement best describes the law of independent assortment is Alleles of a trait separate independently when gametes form.
What is the law of independent assortment?The law of independent assortment says that there are different alleles present for different genes. The allele received by one gene does not affect the allele received by another gene.
Thus, the correct option is C.
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which of these biomes has permanently forzen water in its soil? tundra chaparral savanna taiga
Answers
Answer:
these biomes has permanently frozen water in its soil is a tundra.
A bacterium called Salmonella can cause
food poisoning.which kingdom is it in?
Answers
Answer:
monera kingdom
Explanation:
Answer:
The kingdom is Monera Kingdom
Explanation:
An oven burns gas to cook food. What kind of energy transition is happening
in the oven?
A. Light energy to chemical energy
B. Chemical energy to heat energy
C. Sound energy to heat energy
D. Heat energy to light energy
Answers
Answer:
B. Chemical energy to heat energy
Explanation:
Which of the following predicts what would happen if glucose moved by facilitated diffusion instead?
Answers
Facilitated diffusion is a type of passive transport, which means that it does not require the expenditure of energy in order to move molecules across a membrane. Although it is a slower process, it still allows molecules such as glucose to move from areas of high concentration to areas of low concentration.
If glucose moved by facilitated diffusion instead of its normal active transport, it would still move from areas of high concentration to areas of low concentration, but the rate of this process would be much slower. This would mean that the cells of the body would not be able to obtain glucose as quickly as they normally do, leading to a decrease in the amount of energy available for their metabolic processes. This, in turn, could affect the rate of cell growth, as well as the rate of cell division.
In addition, the slower rate of glucose diffusion could cause a decrease in the amount of glucose available to the body’s organs and tissues, leading to a decrease in their overall functioning. This could have a wide range of implications, from impairing the immune system to causing fatigue and lethargy.
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Fireflies are a group of insects that possess a lantern organ composed of numerous light-producing cells (photocytes) in their abdomens. The light is produced by a chemical reaction involving the light-emitting organic compound luciferin. In each photocyte, luciferin is activated in an ATP-dependent reaction that is catalyzed by the enzyme luciferase. In the presence of oxygen, the activated luciferin emits light as it is converted to oxyluciferin. The flashes of light are controlled by neurons that innervate the lantern organ. Activated neurons stimulate the release of nitric oxide (NO), an inhibitor of the electron transport chain.
Required:
Identify the main source of the ATP used for activating luciferin
Answers
Answer:
The main source of the ATP used for activating luciferin are the mitochondria of the Photosite cells.
Explanation:
Fireflies are organisms that emit cold light by the process of bioluminescence. It is a chemical reaction of male individuals to attract the females that also respond by emitting light.
Luciferin is the molecule responsible for light emission. The chemical reaction involves the luciferin molecule, ATP molecule, enzyme luciferase, and oxygen molecule. Luciferin, the responsible molecule for light emission, is transformed into oxyluciferin by the enzyme luciferase. The enzyme consumes oxygen and ATP, which is the principal source of energy in living beings. Finally, a light of about 560 nm is released.
luciferin + ATP + luciferase + O₂ → oxyluciferin + AMP + CO₂+ luciferase + light
Almost the entire amount of energy involved in the reaction turns into luminous energy. ATP used for this light production process comes from the photosite´s mitochondrial electronic chain, responsible for the organism´s energy production.
Photosites are the cells responsible for light production, and many of their mitochondria are placed near the plasmatic membrane to catch oxygen.
Oxygen gets in the organisms through the lantern trachea. During the respiration process, photosites consume oxygen. Mitochondria placed in the cell periphery near the cell membrane catch the oxygen molecules and produce ATP. ATP produced by oxidative phosphorylation is involved in the production of oxyluciferin, turning into AMP.
Posteriorly, the oxyluciferin molecule is recycled back to luciferin. This process shows how chemical energy turns into luminous energy.
ATP comes from the breakdown of glucose in mitochondria of the cell in the process of aerobic respiration.
The main source of ATP that is used for the activation of luciferin comes from the breakdown of glucose molecules in the mitochondria which is also known as powerhouse of the cell. The fireflies or other insects do aerobic respiration which is responsible for the production of ATP molecules in the presence of oxygen.
A chemical reaction that occur inside fireflies enables them to light up through a process called bioluminescence. A glow is emitted when oxygen, calcium, adenosine triphosphate (ATP), and luciferin pigments combines in the presence of the enzyme luciferase so we can conclude that ATP comes from the breakdown of glucose in mitochondria of the cell in the process of aerobic respiration.
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Concentration of solutes in the cell is less than solutes in the surrounding fluid, the fluid outside the cell is said to be
Answers
Answer:
Hypertonic
Explanation:
There is a greater concentration of solutes outside the cell compared to inside the cell. This means the surrounding fluid is hypertonic to the solution inside the cell.
If the opposite were true, and there was a greater concentration of solutes inside the cell than outside, the outside solution would be hypotonic to the solution inside the cell.
If the concentration of solutes were the same inside and outside, the two solutions would be isotonic.
A good way to remember this is thinking about the term "hyper" - it is a prefix that means, "high". You find it in words like hyperactive and hyperventilate. If you remember that, then you will remember that a hypertonic solution has a higher concentration of solutes.
8. The amount of energy the producers in this energy pyramid provide the primary
consumers is 54,000 joules. From this amount, 540 joules are provided to the tertiary
consumers. Based on this model, how much of the energy was provided to secondary
consumers?
Answers
Answer:
Energy provided to secondary consumers = 5,400
Explanation:
Given:
Primary consumers = 54,000 joules
Tertiary consumers = 540 joules
Find:
Energy provided to secondary consumers
Computation:
10 % energy is transfer to next user
So,
Primary consumers used 54,000 joules
So,
Energy provided to secondary consumers = 54,000 × 10%
Energy provided to secondary consumers = 5,400
what makes the producer level of the food pyramid so important
Answers
Answer:
"Producers form the base of food chains and food webs, and the energy they capture from light or chemicals sustains all the other organisms in the community."
Some cells produce and secrete high levels of digestive proteins. Which organelles would you expect to be abundant in those cells, and why?
Answers
Which of the following processes occurs in the cytoplasm of a eukaryotic cell?
Answers
Answer:
In eukaryotic cells, DNA replication and transcription occur in the cytoplasm, but translation occurs in the cytoplasm.
Explanation:
The cytoplasm of a eukaryotic cell is where glycolysis and fermentation take place.
Glycolysis and fermentation:Glycolysis and fermentation events take place in the cytoplasm of eukaryotic cells. The mitochondria are responsible for the remaining processes, which begin with pyruvate oxidation. For respiration, most eukaryotic mitochondria can only employ oxygen as the terminal electron acceptor.
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Identifying the Parts of the Earth Syy
Warm-Up
Match each sphere of the Earth system with the corresponding feature.
lithosphere
oxygen
biosphere
glaciers
atmosphere
horse
hydrosphere
mountains
1) Intro
Answers
Answer:
Lithosphere = Mountains
Biosphere = Horse
Hydrosphere = Glaciers
Atmosphere = Oxygen
Explanation:
Answer:
Lithosphere = Mountains
Biosphere = Horse
Hydrosphere = Glaciers
Atmosphere = Oxygen
Explanation:
i took the test just now
Replicate the following (write the complementary DNA strand);
ATT ACG CGC
Answers
adenine and thymine
cytosine and guanine
So every A will be matched with a T and every C with a G.
This means your replicated sequence should be:
TAA TGC GCG
Which organ(s) belong in the Root System?Stem
Stem
Flower
Fruit
Leaf
Root
Answers
Answer: Root
Explanation: The root system includes those parts of the plant below ground, such as the roots, tubers, and rhizomes. Plant cells are formed at meristems, and then develop into cell types which are grouped into tissues.
Which of the following groups belong to the subphylum Vertebrata?
bony fish, cartilaginous fish, amphibians, nematodes
tunicates, reptiles, bony fish, amphibians
jawless fish, tunicates, reptiles, mammals
cartilaginous fish, reptiles, birds, mammals
Answers
Cartilaginous fish, reptiles, birds, and mammals belong to the subphylum Vertebrata, which forms part of the Phylum Chordata (Option D).
What is the subphylum Vertebrata?The subphylum Vertebrata refers to a taxonomic group composed of animals that exhibit backbones, gills and central nervous system during the latest first stage of development.
Therefore, with this data, we can see that the subphylum Vertebrata is composed of animals such as fish, reptiles, birds, and mammals, which contain backbones, gills, and a well-developed central nervous system that emerged during the last first phase of embryo development.
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What type of plants commonly grows in the lower biomes of a mountain? (1 Punto)
Answers
Answer:
Alpines, Mosses, Lichens etc
Explanation:
These type of plants survive in very harsh conditions in which the mountain regions are associated with.
The conditions include a higher degree of temperature, little or no amount of soil particles, dryness and a very low degree of nutrients available to them which makes their growth usually stunted when compared to plants in other regions.
How does adenosine triphosphate (ATP) become adenosine diphosphate (ADP)?
ATP stores energy as a phosphate bond is formed.
ATP releases energy as a phosphate bond is formed.
ATP releases energy as a phosphate bond is broken.
ATP stores energy as a phosphate bond is broken.
Answers
The correct answer is ATP releases energy as a phosphate bond is broken.
ATP (adenosine triphosphate) is converted into ADP (adenosine diphosphate) when a phosphate group is removed from ATP, resulting in the release of energy. This process is known as hydrolysis, where water molecules are used to break the bond between the terminal phosphate group and the rest of the molecule.
During cellular metabolism, ATP serves as the primary energy currency of the cell. When energy is required for various cellular processes, the phosphate bond in ATP is broken by an enzyme called ATPase. This enzymatic hydrolysis reaction cleaves off one of the phosphate groups, resulting in the formation of ADP and an inorganic phosphate molecule (Pi). The released phosphate group is then available to be used in other cellular reactions.
The conversion of ATP to ADP is an essential part of energy metabolism in cells. The energy released during this process is utilized to drive various cellular activities, such as muscle contraction, active transport of molecules across cell membranes, and synthesis of macromolecules. Once ATP is converted to ADP, it can be further hydrolyzed to AMP (adenosine monophosphate) if more energy is needed. Ultimately, the energy stored in ATP is released when the phosphate bond is broken, allowing cells to perform their vital functions.
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Where are the anti-biotics the least concentrated?
Answers
Answer:
In medcation I'm pretty sure
Explanation:
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can somebody help me with my science test say yes if you can help plsss i need somebody to help me theres no question yet but i will put it when someone gonna help me
Answers
Answer:
i can help you but it depends on the subject of science because i suck at science lol
Explanation:
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Explain symbiotic relationship with examples.
Answers
Answer:
the first thing that came to mind for me was marriage between a husband and his wife. they take care or each other. if one is sick, the other helps them to feel better. if one needs attention, the other when possible will give it to their spouse. in the long-run, the husband will be able to help his wife, and likewise, the wife will be able to help her husband.
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Cholesterol helps maintain the rigidness of the _____
membrane because it's an amphipathic molecule.
Answers
Answer:
Why a bilayer?
What's on the inside of the cell and on the outside? Mostly water. As you can see here, the water-based interior of the cell has lots of components. These need to be kept inside the cell. And it is the nature of the phospholipid bilayer to keep the inside of the cell separate from the outside.
Explanation:
Cholesterol helps in maintaining the rigidness of the cell membrane.
• The plasma membrane of the cell is a fluid combination of cholesterol, phospholipids, and proteins. The cholesterol helps in maintaining the membrane of the cell firm and stability over a different range of temperatures.
• Cholesterol is an amphipathic molecule, which comprises a tetracyclic ring composition and holds a trans conformation. This helps the molecule to exhibit a rigid and planar feature that enhances the packing of the membrane, and also contributes to the rigidity and integrity of the cell membranes.
Thus, the given blank can be filled with cell.
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