Which of the following is evidence for the endosymbiosis theory?
Answer:
Mitochondria and chloroplast contain DNA similar to bacterial DNA
Explanation:
Both mitochondria and chloroplast have their own DNA, which by then was known to contain the hereditary material of organisms. Mitochondrial DNA has a simple circular structure, which is structurally similar to bacteria DNA and is more or less the same size.
Your answer is correct!
Sea anemones are predatory invertebrates with stinging tentacles that can paralyze many sea animals. The clownfish is immune to the sting of the sea anemone and actually lives among its tentacles. The relationship is mutually beneficial—the clownfish often lures meat-eating animals over to the anemone, and the anemone benefits from the meal. The clownfish often gets to eat leftovers from the anemone’s meal.
When the clown fish is ready to lay eggs, it lays them near a sea anemone. How’s this a reproductive strategy?
The clownfish's reproductive strategy of laying eggs near a sea anemone is a form of protection and survival for its offspring.
By laying their eggs in close proximity to the sea anemone, the clownfish provide their eggs with a safe place to develop. The sea anemone's tentacles are a powerful defense mechanism that can fend off potential predators that may try to harm or eat the eggs.
In addition to protection, the clownfish also benefit from the relationship with the sea anemone during the reproductive process. The anemone provides a clean surface on which the eggs can be attached and also helps to oxygenate the surrounding water, which is important for the development of the eggs.
The anemone's tentacles also help to keep the eggs free of harmful parasites and fungi. Overall, the clownfish's reproductive strategy of laying eggs near a sea anemone is a mutually beneficial relationship that helps to ensure the survival of the clownfish offspring.
The protection and benefits provided by the sea anemone help to increase the chances of the eggs hatching successfully, resulting in a higher survival rate for the next generation of clownfish.
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Make one qualitative observation about the picture above.
Explain why this is a qualitative observation.
Make one quantitative observation about the picture above.
Explain why this is a quantitative observation.
GIVING BRAINLIEST:)
during ecological succession the first organisms to enter an ecosystem for reestablishment are called pioneer species. Two examples of organisms that are pioneer species would be ____ and ____.
A. Miss and lichen
B. Shrubs and trees
C. Small animals and shrubs
Answer:
a
Explanation:
mosses and lichens.
Answer:
a
Explanation: Moss and lichen
According to Duckworth, when combined with talent, grit is the __________ that results in skill.
According to Duckworth, when combined with talent, grit is the "key ingredient" that results in skill. Grit is the combination of passion and perseverance for long-term goals. It is sticking to your future, day in and day out, not just for a week, month, or year, but for years, and working hard to make that future a reality.
The idea of grit is a recent development in psychology. Angela Duckworth, a psychologist at the University of Pennsylvania, has defined the idea of grit and how it is a key element in personal success. According to her research, when combined with talent, grit is the key ingredient that leads to skill.
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This is an trick question what is there but you can't see it
Y=2-x
Y=3x-1
Please help me with this qi
From the analysis of the 2 equations: X = 3/4 and Y = 5/4
Solving simultaneous equationsThe equations can be solved using subtracting one of the two equations from the other.
Let's label the two equations:
Y=3x-1 .................... equation 1
Y=2-X..................... equation 2
Equation 2 can be rearranged such that:
Y = -X+2
Subtracting equation 2 from 1:
Y=3x-1
Y = -X+2
0 = 4X -3
4X = 3
X = 3/4
Substitute X = 3/4 into any of equations 1 or 2 to determine Y.
Y = 3(3/4) - 1
= 9/4 - 1
= 5/4
Hence X = 3/4 and Y = 5/4
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Cytokinesis in plant cells is different than cytokinesis in animal cells.
a) Explain why it has to be different, and
b) briefly describe the processes in the two different cell types.
The differences in cytokinesis between plant and animal cells are driven by the contrasting cellular structures and the need to ensure proper division and maintenance of cell integrity in each cell type.
Understanding Cytokinesis in Plant and Animal Cellsa) The main reason cytokinesis in plant cells is different from cytokinesis in animal cells is due to the structural differences between their cell walls. Plant cells have rigid cell walls made of cellulose, while animal cells lack a cell wall and instead have a flexible plasma membrane. This structural distinction necessitates different mechanisms for cytokinesis in these two cell types.
b) Processes in the two different cell types
In animal cells, cytokinesis occurs through a process called cleavage furrowing. During late stages of mitosis, a contractile ring composed of actin and myosin filaments forms around the equator of the cell. The contractile ring contracts, causing the plasma membrane to be pulled inward, forming a cleavage furrow. The furrow deepens until it pinches the cell into two daughter cells.
In plant cells, cytokinesis involves the formation of a cell plate. During late stages of mitosis, vesicles containing cell wall materials accumulate at the equator of the cell. These vesicles fuse together, forming a cell plate that extends across the cell. The cell plate gradually develops into a new cell wall that divides the parent cell into two daughter cells. The new cell wall is reinforced with additional layers of cellulose and other components, eventually becoming the primary cell wall of each daughter cell.
The process of cytokinesis in plant cells is more complex than in animal cells due to the requirement of building a new cell wall. This process allows plant cells to maintain their structural integrity and provide support for the entire plant structure.
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How to define mental illness or psychopathology ?
Giving away 15 points
Answer:
mental illness is a disease or illness that affects the way you think process and act this can make everyday life and everyday things difficult to do.
Psychopathology is basically the study of mental disorders for example the study would be relating to their causes, the development, course, classification, and treatment.
Explanation:
Well-known persistent organic pollutants (POPs) such as Aldrin, DDT, and PCBs are all __________.
a.
banned in the United States
b.
commonly used herbicides in the United States
c.
restricted in the United States
d.
by-products of acid rain
e.
none of the above
Answer:
A, banned in the United States
Explanation:
I looked up "Is Aldrin banned in the US?", "Are PCBs banned in the US?", etc. They're all banned.
Compare and contrast the three types of solutions.
Answer:
Hypotonic, isotonic and hypertonic solutions (tonicity). Seeing the effect of various types of solution on the direction of osmosis.
Explanation:
2. What is the FFA Mission?
FFA provides the next generation of leaders who will change the world. FFA makes a positive difference in the lives of students by developing their potential for premier leadership, personal growth and career success through agricultural
Answer:
FFA's soul purpose is to making a positive difference in the lives of their students by developing their learning for premier leadership, personal growth and career success through agricultural education.
Explanation:
As a member I believe that all together FFA's purpose is to prepare there children for the real world. and to establish that there are some bit's of fun that can come out of it as well.
With asexual reproduction is the genetic information the same or different?
Answer:
same
Explanation:
Asexual reproduction gives rise to two physically and genetically identical daughter cells. Thus, the genetic information remains the same.
In asexual reproduction, the daughter cells divide through the process of mitosis, which results in two daughter cells from one parent cell.
In mitosis, the chromosomes which are duplicated segregate into the two emerging cells around which then a nuclear membrane forms. In this case, there is no recombination by crossing-over or chiasmata formation that happens in the case of meiosis.
It is the recombination by crossing-over or chiasmata formation that results in varying genetic information.
Thus, as these processes do not happen in mitosis, genetic information remains the same.
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Match the description with the term to demonstrate your understanding of temperature classifications. (Click to select) 1. These organisms are likely to inhabit a compost pile that is actively composting. (Click to select) 4 2. The bacteria that grow in and on the human body are in this group. (Click to select) 3. These organisms might grow in the superheated water near hydrothermal vents in the ocean floor. 4. These organisms might be isolated from water pools on the surface of a glacier. (Click to select) hyperthermophile psychrophile mesophile thermophile A bacterial isolate is subcultured to two blood agar plates, one of which is incubated in an anaerobe jar, and the other is incubated on a shelf in the incubator. After incubation, growth is observed on the plate from the anaerobe jar, but there is no growth on the plate incubated on the incubator shelf. Based on these results, how would this organism be categorized? Multiple Choice aerotolerant anaerobe obligate aerobe obligate anaerobe facultative anaerobe
The correct matches are as follows:
1. These organisms are likely to inhabit a compost pile that is actively composting. - Thermophile
2. The bacteria that grow in and on the human body are in this group. - Mesophile
3. These organisms might grow in the superheated water near hydrothermal vents in the ocean floor. - Hyperthermophile
4. These organisms might be isolated from water pools on the surface of a glacier. - Psychrophile
Based on the given information, the bacterial isolate would be categorized as an obligate anaerobe.
Psychrophiles are creatures that grow in cold habitats such as glaciers and polar areas at low temperatures, often between -20°C and 10°C. These creatures might have been isolated from water puddles on the surface of a glacier.
Mesophile bacteria are those that grow in and on the human body. Mesophiles are creatures that grow at moderate temperatures, often between 20°C and 45°C, and are commonly found in habitats with temperatures comparable to those of the human body.
Hyperthermophiles are creatures that thrive in extremely hot conditions such as hydrothermal vents and hot springs. These creatures might flourish in superheated water near hydrothermal vents on the ocean floor.
Thermophile: These organisms are most likely to live in an active compost pile. Thermophiles are organisms that thrive in hot conditions, often between 45°C and 80°C, and are commonly found in compost piles, hot springs, and geothermal locations.
The bacterial isolate would be categorized as an obligate anaerobe because growth was observed on the plate incubated in the anaerobe jar but not on the plate incubated on the shelf in the incubator, indicating that the organism requires an oxygen-free environment to grow.
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Quagga mussels, an invasive species of mollusk originally from
Russia, have been introduced to the lake after being carried in on
the hulls of boats. An assessment of the size of the quagga
mussel problem is needed, along with suggestions to curb their
population growth.
what field of science is this?
This is a problem in the field of ecology.
The problem of quagga mussels in the lake is an ecological issue that requires scientific assessment and management.
It falls under the discipline of ecology, which studies the relationships between organisms and their environment.
Ecologists investigate the impacts of invasive species on the ecosystem and devise strategies to control their spread and minimize their effects.
In this case, scientists will need to examine the size of the quagga mussel population, their distribution, and their ecological interactions with native species.
They will also need to recommend measures to prevent further introduction of quagga mussels and to manage their population growth, such as using chemical treatments or biological controls.
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All tissues within a plant are capable of photosynthesis as all plant cells contain
chloroplasts.
True
False
How can humans reduce the number of landfills?
Explanation:
not pollute duh it's like common sence
Answer:
produce less trash
Explanation:
took the test already
Which correctly lists three planets that have rings?
O Jupiter, Mars, Saturn
O Mars, Jupiter, Mercury
Mercury, Mars, Venus
O Neptune, Uranus, Jupiter
The minor Deimos Ring, as mentioned earlier, but it is not comparable to the extensive ring systems of Saturn or Jupiter Mercury does not have any known rings the correct combination is "Jupiter, Mars, Saturn" when referring to planets that have rings.
Out of the four options provided, the only combination that consists of three planets with rings is "Jupiter, Mars, Saturn."
Jupiter: Jupiter is the largest planet in our solar system and is well-known for its impressive ring system.
Although not as prominent as Saturn's rings, Jupiter's rings are made up of fine dust particles and are relatively faint compared to those of Saturn.
Mars: Mars is the fourth planet from the Sun and is often referred to as the "Red Planet."
While it doesn't possess a large, visible ring system like Saturn or Jupiter, it does have a thin dust ring called the Deimos Ring.
This ring is composed of dust particles kicked up by the Martian moon Deimos as it orbits the planet.
Saturn: Saturn is renowned for its spectacular and prominent ring system. It is composed of countless icy particles ranging in size from micrometers to meters.
Saturn's rings are one of the most iconic features in our solar system and are visible even from small telescopes.
The other options listed do not accurately represent planets with ring systems:
Mars, Jupiter, Mercury: While Jupiter is included, neither Mars nor Mercury have prominent ring systems.
Mars has the minor Deimos Ring, as mentioned earlier, but it is not comparable to the extensive ring systems of Saturn or Jupiter. Mercury does not have any known rings.
Mercury, Mars, Venus: None of these three planets have significant ring systems.
Mercury and Venus do not possess any rings, and Mars has only the minor Deimos Ring.
Neptune, Uranus, Jupiter: Neptune and Uranus both have ring systems, but Jupiter does not.
Therefore, this option does not accurately list three planets with ring systems.
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The minor Deimos Ring, as mentioned earlier, but it is not comparable to the extensive ring systems of Saturn or Jupiter Mercury does not have any known rings the correct combination is "Jupiter, Mars, Saturn" when referring to planets that have rings.
Out of the four options provided, the only combination that consists of three planets with rings is "Jupiter, Mars, Saturn."
Jupiter: Jupiter is the largest planet in our solar system and is well-known for its impressive ring system.
Although not as prominent as Saturn's rings, Jupiter's rings are made up of fine dust particles and are relatively faint compared to those of Saturn.
Mars: Mars is the fourth planet from the Sun and is often referred to as the "Red Planet."
While it doesn't possess a large, visible ring system like Saturn or Jupiter, it does have a thin dust ring called the Deimos Ring.
This ring is composed of dust particles kicked up by the Martian moon Deimos as it orbits the planet.
Saturn: Saturn is renowned for its spectacular and prominent ring system. It is composed of countless icy particles ranging in size from micrometers to meters.
Saturn's rings are one of the most iconic features in our solar system and are visible even from small telescopes.
The other options listed do not accurately represent planets with ring systems:
Mars, Jupiter, Mercury: While Jupiter is included, neither Mars nor Mercury have prominent ring systems.
Mars has the minor Deimos Ring, as mentioned earlier, but it is not comparable to the extensive ring systems of Saturn or Jupiter. Mercury does not have any known rings.
Mercury, Mars, Venus: None of these three planets have significant ring systems.
Mercury and Venus do not possess any rings, and Mars has only the minor Deimos Ring.
Neptune, Uranus, Jupiter: Neptune and Uranus both have ring systems, but Jupiter does not.
Therefore, this option does not accurately list three planets with ring systems.
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Select the correct answer.
What is Earth’s current axial tilt?
A. 21.5 degrees
B. 22.0 degrees
C. 22.5 degrees
D. 23.5 degrees
E. 24.5 degrees
which one of the following is the transport of the nutrients around the body to where they"re needed?
Answer:
Well..we kinda need a picture though.
but the one that transports nutrients around the body is
The circulatory system
Explanation:
The Moon goes through many phases each month. These phase-changes provide evidence that the Moon revolves around Earth, similar to how the planets orbit the Sun. This constant motion is mainly controlled by-
The moon rotates around Earth, this continuous motion is mainly controlled by the gravitational attraction between the Earth-Moon.
What is gravitational force?It is the force of gravity that pulls objects having mass towards each other, due to this force our body keeps on the ground.
The gravitational attraction keeps them in orbit inside the Earth–Moon system approximately the common center of mass, a point approximately, 4670 km from the center of the Earth.
Therefore, due to gravitational attraction, constant motion is mainly controlled.
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Ian is an 18-year-old gymnast training at a private gym with many other male and female gymnasts. he is competing at an advanced level and is likely to make the next Olympic team. Lately, he has found that some of his balance and strength moves on the rings and parallel bars have become more difficult. He has gone through a bit of a growth spurt and gained approximately 5 pounds over the last year. He suspects the weight gain is causing his performance difficulties. He decides to try a weight-loss program that will help him lose weight before his next big competition in 6 weeks. He is not sure how many calories to consume and therefore arbitrarily decides to eat 1,500 calories per day.
1. Which assessments are required to determine whether Ian needs to lose weight?
2. What type of diet and exercise plan would you recommend for Ian?
3. What additional concerns do you have for Ian's health and sport performance?
Answer:
Explanation:
(1.)
Assessments needed to reduce Ian’s body weight:
A weight-loss program should allow the loss of weight should be fat loss, and the increase of weight should be body muscle mass. Weight reduction should be accompanied by an acceptable exercise regimen (both strength and conditioning). A well-balanced diet with sufficient energy (calories), carbohydrates, protein, and fat should be part of every weight-loss regimen. Excessive exercise resulted in weight loss. Using anorexic medications, laxatives, insulin, diet tablets, stimulants, diuretics, dietary products, or any lawful or illicit drugs and/or nicotine should be banned at all levels.
(2)
type of Diet:
Every day, Ian must eat three meals and just a snack. A fiber-rich cereal with skim milk and fresh fruit can be a better way to start the day.
After that, have a bologna sandwich on the whole bread with fruit or a big vegetable-rich salad together with a small turkey sandwich in addition to a cup of skim milk for lunch.
Poultry hen should be served with potatoes (baked), mixed vegetables, and skim milk for dinner. An early workout snack of a small butter muffin or yogurt combined with cereal should also be included.
Exercise Plan:
i) Bodyweight fat recovery can be supported by proper and secure aerobic activity.
ii) The right kind of aerobic exercise is extremely beneficial for weight loss.
3. Gymnastics is a visually appealing discipline that necessitates speed, strength, and coordination. Most high-level gymnasts eat less than the recommended amount of calories and certain nutrients for their age and training load, according to dietary tests. Young gymnasts, in particular, must absorb enough energy and nutrients to satisfy the demands of growth, exercise, performance, and tissue conservation. Poor energy supply, disordered eating habits, and eating disorders are all factors that can damage a gymnast's long and short-term health. Some gymnasts cross the line into extreme, treatable eating disorders by dieting and using infective weight-loss strategies.
In light of these considerations, Ian should pay attention to his health and diet. Ian should limit his consumption of added sugar intake and increase his fiber intake to help him achieve his body fat targets. Gymnasts can consume at least 1.4–1.8 grams of carbohydrates each pound (3–4 g/kg) per day. Increased protein consumption helps to reduce the amount of muscle lost over a weight-loss cycle. Per day, gymnasts can eat 0.8–1.2 g/lb (1.8–2.7 g/kg) of protein.
Ian would be able to shed weight and prevent an eating disorder in this manner.
what components make up the backbone of a dna molecule
The sides of the backbone of DNA are made of the other two molecules, 1. Sugar
2. Phosphate.
The DNA backbone and the DNA bases are the two basic structural regions of a DNA molecule. Recall that nucleotides are the building blocks of all DNA molecules. A DNA molecule's one nucleotide is made up of a phosphate group, the pentose sugar deoxyribose (which has five carbons), and a nitrogenous base (adenine, thymine, guanine, cytosine). A DNA molecule is made up of a number of these nucleotide monomers that are connected by phosphodiester linkages. The base region of a DNA molecule is made up of nitrogenous bases, but the backbone of a DNA molecule is made up of phosphate groups and deoxyribose sugars; as a result, the backbone of DNA is made up of pentose sugars. The base portion of the molecule includes adenine. There are no hexose (six-carbon) sugars in DNA. Each nucleotide molecule has one nitrogen base, one sugar group, and one phosphate group.
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The trait “hairy ear rims” is thought to be controlled by a gene on the Y chromosomes. State with what frequency a man affected with “hairy ear rims” passes the trait onto his sons.
have fun with to the bus for me and you know what I do to you and your mom is influenced and I don't know how to the summar
How are salt marshes and mangrove swamps alike? How are they different?
Similarities: both salt marshes and mangrove swamps are areas dominated by plants and close to the coast. They both can tolerate periodic floods of salt water and are referred as coastal wetlands, being influenced by tide.
Differences: marshes are dominated by low shrubby or herbaceous vegetation, while mangroves are dominated by trees. Salt marshes can be found in colder coastlines, but mangroves don't because it suffers damage from freeze events.
The diagram shows two cats sitting on a bookshelf. Both cats weigh 5 lbs. Cat A is 1 foot off of the floor. Cat B is sitting 6 feet off of the floor. How can you describe the potential energy of the two cats? Question 15 options: Both cats have the same potential energy Cat B has greater potential energy than Cat A Neither cat has potential energy Cat A has greater potential energy than Cat B
cat B has greater potentiioal energy than cat A
Answer:
Cat B has greater potential energy then cat A.
Sort these letters to compare and contrast terms population, community and ecosystem. !!DUE IN AN HOUR PLS HELP AND QUICKLY!!
Answer:
Hey, just wanted to tell what those terms means:
Population - Group of one type of organism (ex. 15 bees)
Community - Group of multiple types of organism (15 bees, 10 birds, 11 ants)
Ecosystem - Community and abiotic thing interacting (sun and animals), interacting means changing of energy from predator to prey because things get eaten
Explanation:
following are the types of functions performed by proteins in the human body
Storage
Support
Regulation
Defence
Select the appropriate type of function of proteins for each of the given descriptions
Description Type of Function
1. Recognition of foreign molecules ????
2. Receptors of extracelluar signals ????
Answer:
1. Recognition of foreign molecules - Defense
2. Receptors of extracellular signals - Regulation
Explanation:
The formation of the many kinds of body cells that make up an embryo begins with
The formation of multicellular organisms commences with a single-celled zygote, which divides rapidly to form the blastula. Cleavage refers to the rapid, multiple shots of cell division.
What is an embryo?Following conception, the baby enters the embryonic stage, a period of radical shift.
This stage lasts from the fifth to the tenth week of pregnancy. During a certain stage, the baby is referred to as an embryo. Several changes take place even during embryonic stage.
The primary distinction between an egg and an embryo is that an embryo is formed after the gametes are fertilized, whereas an egg is extracted from the ovary and stored in a freezer prior to fertilization.
Thus, multicellular organisms begin with a single-celled zygote that divides speedily to form the blastula. Cleavage is a term that refers to rapid, multiple strikes of cell division.
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Answer:2
Explanation:because lk
the goal of antimicrobial treatment is to kill or inhibit the growth of microbes without damaging the host. this is referred to as selective toxicity. to achieve selective toxicity, antimicrobial drugs generally target bacterial cell structures, enzymes, or processes that are unique to the microbe and not found in host cells. in seeking targets that are unique to the microbes, developers of antimicrobial drugs must consider the differences between prokaryotic and eukaryotic cells. those structures that are exclusive to or distinctly different in prokaryotic cells are likely targets for antibacterial drugs.
The aim of antimicrobial treatment is to kill or inhibit the infecting organism without damaging the host; this is known as selective toxicity.
What is antimicrobial treatment ?
Antimicrobial treatment is the use of antimicrobial drugs to treat bacterial, fungal, or viral infections. Antimicrobial drugs are used to kill or stop the growth of microorganisms, including bacteria, fungi, and viruses. These drugs work by either killing the microorganisms directly or by inhibiting their growth.
What is selective toxicity?
Selective toxicity is the ability of a chemical or biological agent to target a specific organism or cell type while leaving other organisms or cells unharmed. It is an important concept in the development of drugs, pesticides, and other treatments. Selective toxicity is desirable because it means that the agent can be used without causing harm to other organisms in the environment.
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