Answer:
SIMILARITIES:
1. They are both made up of cells.
2. Both cells are eukaryotic
DIFFERENCES:
1. Leaf cell possess chloroplast while arm cells don't.
2. Leaf cells have a cell wall while arm cells do not.
Explanation:
According to this question, a comparison is being made between the plant's leaf and a human arm. A leaf belongs to a plant while the arm belongs to a human cell. They are similar and different in the following ways:
SIMILARITIES:
- Both of these organisms are said to be living and every living things is said to be made up of cells. Hence, both leaf and human cells are made up of CELLS.
- Both the leaf and arm cells have a membrane-bound nucleus, hence, they are said to be EUKARYOTIC CELLS.
DIFFERENCES:
- Since the leaf cells belong to that of a plant, they contain CHLOROPLAST organelle with which they perform photosynthesis. The cells of the human arm lacks this organelle.
- Likewise, the cells of a leaf possess CELL WALL in addition to their cell membrane while the arm cells lack cell wall.
To study water transport in their biology class , a group of students designed a lab in which they soaked decalcified eggs in different solutions and observed how water moved across the membrane of the cell . Which type of passive transport did the students observe ? *
A. Diffusion
B. Osmosis
C. Facilitated Diffusion
D. Active Transport
with regard to primates, the "paradox of sociality" means what?
The "paradox of sociality" in primates refers to the fact that living in social groups can be both beneficial and costly for individuals.
On the one hand, sociality can provide advantages such as increased protection from predators, improved foraging efficiency, and opportunities for cooperation and learning. On the other hand, sociality can also entail costs such as increased competition for resources, heightened risk of disease transmission, and greater susceptibility to social stress.
Primates, as a taxonomic group, are particularly interesting in this regard because they exhibit a wide range of social structures and behaviors. Some species, such as orangutans, are relatively solitary, whereas others, such as chimpanzees and bonobos, live in large, complex societies.
Understanding the paradox of sociality in primates involves examining the selective pressures that have shaped their social behaviors and the trade-offs that individuals must make in order to reap the benefits of living in a group while minimizing the costs.
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If you were a subject in a scientific study measuring body fatness, the scientists might assess your body composition using any of a variety of anthropometric measurements. Click and drag to match each measurement technique to its description.
Any of a number of anthropometric measurements may be used to evaluate your body composition if you were a participant in a scientific study to determine your body fatness. The location of extra body fat can significantly impact health.
What is anthropometrics and why is it significant?Anthropometrics is the process of measuring the human body and offers designers with categorized data they may use. Anthropometrics aids designers in gathering useful data, such as head circumferences when building a safety.
which are the human body and offers categorized data?Anthropometrics is the process of measuring the human body and offers designers with categorized data they may use. Anthropometrics assists designers in gathering useful data, such as head circumferences for creating a safety helmet.
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Any of a number of anthropometric measurements may be used to evaluate your body composition if you were a participant in a scientific study to determine your body fatness. The location of extra body fat can significantly impact health.
What is anthropometrics and why is it significant?Anthropometrics is the process of measuring the human body and offers designers with categorized data they may use. Anthropometrics aids designers in gathering useful data, such as head circumferences when building a safety.
Which are the human body and offers categorized data?Anthropometrics is the process of measuring the human body and offers designers with categorized data they may use. Anthropometrics assists designers in gathering useful data, such as head circumferences for creating a safety helmet.
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Mutations arise from A) mistakes in copying DNA from a parent when eggs or sperm are made. B) exchanging of proteins during fertilization. C) encoding of ribosomes during DNA generation. D) faulty functioning of amino acid
Mutations arise from mistakes in copying DNA from a parent when eggs or sperm are made. Mutations refer to changes in the genetic material (DNA) of an organism that can be passed on to future generations. Mistakes can occur during DNA replication when cells divide or when eggs and sperm are formed during sexual reproduction.
The process of DNA replication, which is the basis of cell division, involves the copying of the genetic information in one strand of DNA to a new strand of DNA. During this process, errors can occur, and these errors can lead to mutations. Some of these mutations can be harmful, while others may have no effect or even be beneficial.Some mutations may also be caused by exposure to radiation or chemicals.
For example, exposure to ultraviolet radiation from the sun can cause mutations that increase the risk of skin cancer. Chemicals such as benzene and asbestos can also cause mutations that can lead to cancer or other diseases. Mutations can also arise from faulty functioning of amino acids. Amino acids are the building blocks of proteins, which are essential for many biological processes in the body.
Mutations that affect the function of amino acids can lead to a variety of diseases, including cystic fibrosis, sickle cell anemia, and Huntington's disease. In conclusion, mutations can arise from a variety of causes, including mistakes in DNA replication, exposure to radiation or chemicals, and faulty functioning of amino acids. These mutations can have a range of effects, from harmful to beneficial or even neutral, and can be passed on to future generations.
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DNA and RNA both use the same types of nucleotides
Answer:
No
Explanation:
In the nucleotide of DNA and RNA only Phosphate that is similar to both nucleic acid, They have different sugar portion and Nitrogenous base.
DNA nucleotide include
- Phosphate
- deoxyribose sugar
- NB Adenine, Thymine, Guanine and Cytosine
RNA nucleotide include
- Phosphate
- Ribose sugar
- NB Adenine, Uracil, Guanine and Cytosine
Therefore They do not use the same types of nucleotides because DNA has 2 strand that are joined together by weak hygrogen bond and it is long. while RNA has 1 strand and it is a short thus not coiled or helical.
The bone that is situated next to the eardrum is called the __________; the bone that sits next to the oval window is called the __________.
The bone that is situated next to the eardrum is called the malleus.
The bone that sits next to the oval window is called the stapes.
Given,
The bone that is situated next to the eardrum is called the __________; the bone that sits next to the oval window is called the __________.
We need to fill in the blanks.
What are eardrums and their parts?The eardrum is a transparent gray membrane and there is a middle ear
bone called the malleus attached to the center part of the drum.
The space inside the ear drum is called the middle ear.
The three smallest bones of the body are found in the middle ear.
They are:
- The hammer (malleus)
It is attached to the eardrum.
- The anvil (incus)
It is in the middle of the chain of bones.
- The Stirrup (stapes)
It is attached to the membrane-covered opening that connects the middle ear with the inner ear (oval window)
Thus
The bone that is situated next to the eardrum is called the malleus.
The bone that sits next to the oval window is called the stapes.
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cientists tried inserting the jellyfish gene that codes for luminescence into bacteria. Not all bacteria where transformed. Which bacteria were transformed?
a Only the bacteria that glow in the dark were transformed.
b Both glowing and non-glowing bacteria were transformed.
c Only the bacteria that can now survive in the sea were transformed.
d Only the bacteria that do not glow in the dark were transformed.
Answer:
a. Only the bacteria that glow in the dark were transformed.
Explanation:
If the bacteria can now glow in the dark, they have been transformed. If not, they have not been transformed.
Increasing population sizes lead to increasing demand for food. Farmers use synthetic fertilizers to add necessary nutrients to the soil so crops can grow. What is the ultimate consequence of this fertilizer use?(1 point)
Responses
fertilizer runs off with rainwater
algal blooms grow rapidly
deoxygenated water bodies
death of aquatic organisms
The ultimate consequence of this fertilizer use is the death of aquatic organisms (option D).
What are fertilizers?Fertilizers are chemical substances that is used to make the ground more suitable for growing plants.
According to this question, increasing population sizes lead to increasing demand for food. Farmers use synthetic fertilizers to add necessary nutrients to the soil so crops can grow.
When this fertilizer from farmland gets washed in the rain to aquatic ecosystem, it causes eutrophication and subsequently algal bloom.
The overgrowth of algae consumes oxygen and blocks sunlight from underwater plants. When the algae eventually dies, the oxygen in the water is consumed. The lack of oxygen makes it impossible for aquatic life to survive.
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The range of beak depths for the non-surviving birds was between 7.25 mm and 11.25 mm, and more than half of the non-surviving birds had beak depths between 8.5 mm and 9.5 mm. The most common beak depths for the non-surviving birds were 8.5 mm and 9 mm.
Beak depth and range of beak depths: The beak depth refers to the thickness of the beak from the top to the bottom. For example, in a bird, the beak depth could be measured as the thickness of the beak from the top of the upper beak to the bottom of the lower beak.
The range of beak depths for the non-surviving birds was between 7.25 mm and 11.25 mm. Half of the non-surviving birds had beak depths between 8.5 mm and 9.5 mm.The beak depth is an important characteristic in birds as it helps them to obtain food. Birds with thicker beaks can crush harder seeds and nuts, while birds with thinner beaks can handle softer food. The most common beak depths for the non-surviving birds were 8.5 mm and 9 mm.
Beak depth is an important characteristic in birds and can be influenced by various factors such as genetics, diet, and environmental conditions. The mentioned measurements indicate the range and distribution of beak depths among the birds that did not survive, suggesting that there may be a correlation between beak depth and survival in this particular population.
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What does the distribution of beak depths reveal about the survival rates of birds in the study?
name two species of staphylococcus that are part of our normal microbiota
Answer:
Staphylococcus aureus, and coagulase-negative staphylococci
Explanation:
Two species of staphylococcus that are part of our normal microbiota are Staphylococcus aureus, and coagulase-negative staphylococci.
Biodiversity and Succession in Environments (7.10 B & C)::Question 5
Woodpeckers live in forests, backyards and various other types of
habitats. Which would most likely cause a decrease in the number of
woodpeckers in an ecosystem?
Select one
building a road around a small forest
destroying all dead trees and stumps
plowing and planting meadows
draining a spring-fed pond
Answer:
Atherosclerosis increases resistance and decreases blood flow.
Explanation:
Just did the study Island
Answer:
Atherosclerosis increases resistance and decreases blood flow..
Explanation:
Just did the study Island.
describe and give an example how online shopping has impacted your life and purchasing behavior because of covid pandemic?
The COVID-19 pandemic has significantly accelerated the adoption and reliance on online shopping due to various factors such as lockdowns, social distancing measures, and the closure of physical stores.
Many individuals have turned to online platforms to fulfill their shopping needs, resulting in several notable impacts:
Convenience and Safety: Online shopping offers the convenience of browsing and purchasing products from the comfort of one's home, reducing the need to visit crowded physical stores. This has become particularly important during the pandemic as it minimizes the risk of exposure to the virus.
Expanded Product Selection: Online shopping provides access to a vast array of products from local and international retailers, allowing consumers to explore a wider range of options compared to what may be available in their local area. This has facilitated the discovery of unique or specialty items.
Shift in Purchasing Behavior: The pandemic has led to a shift in purchasing behavior, with consumers increasingly relying on online shopping for essential goods such as groceries, personal care items, and household supplies. Additionally, there has been a surge in the demand for home office equipment, fitness equipment, and entertainment products to accommodate remote work and leisure activities at home.
Increased Reliance on Reviews and Recommendations: With the inability to physically inspect products before purchasing, online shoppers have become more dependent on product reviews and recommendations from other buyers. This has influenced purchasing decisions and helped build trust in online transactions.
Evolution of Delivery Services: Online retailers and logistics companies have adapted to the increased demand by enhancing their delivery services. Expedited shipping, contactless delivery options, and improved tracking systems have become more prevalent to meet customer expectations.
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How does the body of a runner keep up with the demand for energy when cellular oxygen levels are low
please js help w one question ITS NUMBER FOURRRRR LM.AO i su.ck at pictures
Answer:
23.5 N and 23.5 S
Explanation:
Answer:
Tropical zone
Explanation:
It is closest to the equator and the maximum sun angle is also higher above the horizon. The sunlight going "through" the atmosphere strikes the surface at a more direct angle.
Hope this helps!
Which phrase describes a feature of chloroplasts that aids in the production
of sugar through photosynthesis?
OA. A rigid internal structure
B. Enzymes for breaking down proteins
C. A green pigment called chlorophyll
OD. A large network of membranes
C. A green pigment called chlorophyll
The chart describes four objects experiencing one or more frictional forces. A 1-column table labeled object with entries a bike being ridden down a hill, a sled going down a snowy hill, a braked motorcycle skidding, an elephant standing still. Which statement explains the type of friction acting on each object? The bike has rolling friction, the sled and the motorcycle have sliding friction, and the elephant has static friction. The bike and sled have sliding friction, and the motorcycle and elephant have static friction. The bike has static friction, the sled and elephant have sliding friction, and the motorcycle has rolling friction. The bike and motorcycle have rolling friction, the sled has static friction, and the elephant has sliding friction.
The statement that explains the type of friction acting on each object is option a. The bike has rolling friction, the sled and the motorcycle have sliding friction, and the elephant has static friction.
The rider and every part of the bike are drawn toward the earth by gravity, as it is with all masses. There are ground reaction forces with both horizontal and vertical components at each tire contact patch. The vertical elements largely oppose the pull of gravity.
Note that Gravity, the ground, friction, rolling resistance, and air resistance are the bike's main external forces.
Since the force that holds an object at rest is called static friction. The definition of static friction is: The resistance people feel when they attempt to move a stationary object across a surface without actually causing any relative motion between their body and the surface they are moving the object across.
Therefore, in the case above, the sled has static friction, the sled and motorcycle have rolling friction, and the elephant has sliding friction.
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Answer: A
Explanation:
i got it right on the test hope this helps
chicken genetics gizmo answers
what is the difference between eukaryotic and prokaryotic cells? (give 5 differences)
Answer:
Prokaryotes are always unicellular, while eukaryotes are often multi-celled organisms
eukaryotic cells are more than 100 to 10,000 times larger than prokaryotic cells
eukaryotic cells are more complex than prokaryotic cells
The DNA in eukaryotes is stored within the nucleus, while DNA is stored in the cytoplasm of prokaryotes
A Prokaryotic cell is surrounded by a single membrane layer but In the case of Eukaryotic, there are two surroundings 1. Plasma membrane 2. Nuclear membrane.
Explanation:
ANSWER ASAP PLEASE!!!!! 30 POINTS
Describe what occurs during the process of seed development.
In angiosperms, the process of seed growth begins with double fertilization and concerns the fusion of the egg and sperm nuclei into a zygote. The second part of this process is the fusion of the polar nuclei with a second sperm cell nucleus, thus forming a primary endosperm.
What happens during seed formation?When pollen anchors on the flower's stigma, it grows and develops a pollen tube, which then fast grows towards the plant's ovary. Once it sees an ovule, the pollen tube explosions to release sperm cells, which fertilize the ovule and start seed formation
Thus, double fertilization is part of seed development.
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I’ll really appreciate it if you could help me through this problem
Answer:
It’s 2 because radical 3 times radical 3 is 3 (rational) but pi times pi is irrational.
Aye yo anyone know this question?
Homologous structures - common ancestor, similar structure, different function
Hope this helps
Answer:
Homologous structures point to a similar origin and a common ancestor, analogous structures are when animals have similar structures with similar function, but they evolved separately. Examples include the wings on butterflies, bats, and birds. They're all used to fly, but the animals are not directly related.
Explanation:
I searched it lol.
Did the pink river dolphin go extinct?
Answer: No, they didnt go extinct
Explanation: But are only around in some places because of population, and contaninatiion. :) There are tens of thousands of Pink river Dolphins.
The pink river dolphin (Inia geoffrensis) has not become extinct, as far as I know (2021).
What is extinct?Extinction is the extinction of an organism or a group of organisms, generally a species. The death of the last individual of the species is widely regarded as the point of extinction, albeit the ability to procreate and recover may have been lost before this time. Extinct species are species that are no longer alive. Dinosaurs and the Dodo are two examples. Extinction is the full extinction of a species on Earth. Every year, species become extinct, although with a few exceptions, the typical pace of extinction has been fairly gradual.
Here,
No, as of my knowledge cutoff, the pink river dolphin (Inia geoffrensis) has not become extinct (2021). However, because of problems like as habitat degradation, entanglement in fishing gear, and poaching, it is classified a vulnerable species. Conservation initiatives are ongoing to help safeguard and assure the survival of this species.
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Why are invasive alien species a problem? Name one invasive
alien species and explain.
The question is related to geography.
Invasive alien species are a problem because they can cause significant ecological and economic damage to their new environments. They outcompete native species for resources, disrupt ecosystems, and reduce biodiversity. One example of an invasive alien species is the zebra mussel (Dreissena polymorpha).
The zebra mussel is native to the Caspian Sea and was accidentally introduced to North America in the ballast water of ships.
They have since spread to many water bodies across the continent.
Zebra mussels reproduce rapidly and form dense clusters, clogging pipes and damaging infrastructure.
They also filter large amounts of phytoplankton from the water, impacting the food chain and causing declines in native species.
In geography, invasive alien species are studied because they can have significant impacts on ecosystems and human activities.
Governments and organizations monitor and manage invasive species to mitigate their negative effects.
In summary, invasive alien species pose a problem due to their ability to disrupt ecosystems and cause economic harm.
The zebra mussel serves as an example of an invasive alien species that has had widespread negative impacts.
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Why does a solid change to liquid when heat is added?
A. The spacing between particles decreases.
Particles lose energy.
B.
C. The spacing between particles increases.
D. The temperature decreases.
Rese
Answer:
C. The spacing between particle increases.
Explanation:
The particles are given more energy and begin to vibrate faster when a solid is heated. As the atoms vibrate faster, spacing in between particle increases.
if sodium hydroxide is left alone what state would it turn into ?
Answer:
It will react with the carbon dioxide that is in the air
Explanation:
When it reacts it will turn to sodium carbonate
Hope this Helps
Name two carbon compounds that can be found in the atmosphere?
Answer:
These include the carbon oxides, hydrocarbons, and halocarbons (molecules with carbon bonded to F, Cl, Br, or I).
Explanation:
Which of the following explanations best describes how mass is
conserved in the process above?
A.Matter is consumed and used by individual cells to grow
following mitosis
B.Matter is consumed and used by individual cells to grow
following meiosis
C.Matter is created by individual cells to grow following mitosis
D.Matter is created by individual cells to grow following meiosis
Following mitosis, each individual cell uses matter to grow. Individual cells produce matter to expand after mitosis.
How does photosynthesis maintain mass?Six carbon atoms, twelve hydrogen atoms, and eighteen oxygen atoms are reorganized in this process from one configuration in the reactants to another configuration in the products using the energy of the sun. Because the same atoms are present on both sides of the reaction, mass is conserved.
What does photosynthesis's mass mean?A tree's main component by weight is carbon. Carbon is derived from carbon dioxide, which is used in photosynthesis. Plants use photosynthesis to transform solar energy into chemical energy, which is stored in the bonds of carbon molecules made of water and carbon dioxide from the atmosphere.
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Which parent combination(s) yield a mixture of black and white offspring?
Answer:
Explanation:
When considering the inheritance of traits such as coat color in animals, there are several ways in which black and white offspring can be produced. One possible scenario involves a cross between two individuals with heterozygous genotypes for coat color, meaning that each parent carries both a dominant and recessive allele for coat color. In this case, the offspring have a 25% chance of inheriting two dominant alleles and being completely black, a 50% chance of inheriting one dominant and one recessive allele and having a black and white spotted coat, and a 25% chance of inheriting two recessive alleles and being completely white. Other combinations of parental genotypes can also result in a mixture of black and white offspring, depending on the specific genetic inheritance pattern involved.
which of these characteristics does not describe the beta sheet? a) amino acid side chains are located both above and below the sheet. b) beta sheets have a pleated edge-on appearance. c) they can exist in either parallel or antiparallel configurations. d) the sheets contain as few as two and as many as 22 polypeptide chains. e) parallel b eta sheets containing fewer than five chains are the most common.
Beta sheets typically contain between 2 and 10 polypeptide chains, with 5 being the most common number. 22 polypeptide chains would be too many to fit into a beta sheet. The correct option is D.
A beta sheet is a common motif of the regular protein secondary structure. Beta sheets consist of beta strands (β-strands) connected laterally by at least two or three backbone hydrogen bonds, forming a generally twisted, pleated sheet.
A β-strand is a stretch of polypeptide chain typically 3 to 10 amino acids long with backbone in an extended conformation. The supramolecular association of β-sheets has been implicated in the formation of the fibrils and protein aggregates observed in amyloidosis, notably Alzheimer's disease.
β-sheets can be open, meaning that they have two edge strands (as in the flavodoxin fold or the immunoglobulin fold) or they can be closed β-barrels (such as the TIM barrel).
β-Barrels are often described by their stagger or shear. Some open β-sheets are very curved and fold over on themselves (as in the SH3 domain) or form horseshoe shapes (as in the ribonuclease inhibitor).
Open β-sheets can assemble face-to-face (such as the β-propeller domain or immunoglobulin fold) or edge-to-edge, forming one big β-sheet.
Therefore, the correct option is D, the sheets contain as few as two and as many as 22 polypeptide chains.
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the rumbling noise caused by the movement of gas in the intestine is known as _____.
The rumbling noise caused by the movement of gas in the intestine is known as stomach rumble.
A stomach rumble, additionally called a bowel sound or peristaltic sound, is a rumbling, growling or gurgling noise produced with the aid of using motion of the contents of the gastro-intestinal tract as they're propelled via the small gut with the aid of using a sequence of muscle contractions known as peristalsis. Your belly simply made a growling sound known as borborygmus. That's due to the fact while the muscle groups for your digestive device circulate food, liquid, and gas via your belly and small gut, it produces a rumbling sound.
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