The bacterial cytoskeleton contains a protein, named ftsz, that forms a contractile ring involved in bacterial cytokinesis. What eukaryotic cell function is this analogous to?.
Answers
Function is analogous to the cleavage furrow of eukaryotic animal cell
Animal cells are eukaryotic cells or cells with a membrane-bound nucleus. Unlike prokaryotic cells, DNA in animal cells is housed within the nucleus. In addition to having a nucleus, animal cells also contain other membrane-bound organelles, or tiny cellular structures, that carry out specific functions necessary for normal cellular operation. Organelles have a wide range of responsibilities that include everything from producing hormones and enzymes to providing energy for animal cells.
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Related Questions
You add a drop of carmine dye and water to a microscope slide, you observe the movement of the dye particles. Next, you place the slide in the refrigerator for 2 hours minutes. How do you expect the movement of the dye particles to be affected after being placed in the refrigerator
Answers
When you place the microscope slide with carmine dye and water in the refrigerator for 2 hours, the movement of the dye particles is expected to slow down or possibly cease altogether. This is because cooling the solution in the refrigerator would cause a decrease in temperature, which typically leads to a decrease in the kinetic energy of particles.
At higher temperatures, the kinetic energy of the dye particles is higher, leading to more rapid and random movement known as Brownian motion. However, as the temperature decreases, the kinetic energy decreases, resulting in a reduction in the movement of the dye particles. Eventually, at sufficiently low temperatures, the particles may become motionless or exhibit minimal movement.
It's important to note that the specific behavior of the dye particles in response to cooling can depend on various factors such as the concentration of the dye, the viscosity of the solution, and the size of the dye particles.
Nonetheless, in general, cooling the solution in the refrigerator is expected to slow down the movement of the dye particles compared to when they were at room temperature.
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Bacteria have____ cell(s) while humans and plants have ——— cell(s)
Answers
Answer: Bacteria has Animal cells while plants have plant cells :)
Explanation:
if all the producer on earth were wiped out which of the following result?
A.The primary consumers would be the only ones to die.
B.Only decomposers would survive.
C.All other species would die.
Answers
Answer:
C. All other species would die.
Explanation:
If producers were to die out, this would affect the primary consumers, since they feed on producers. And if primary consumers die out, then this would mpact secondary consumers, as secondary consumers eat primary consumers, and this process would keep going until there is nothing left. Without producers, all other species rely on each other to survive, and so, they would all die.
An athlete is running a race. The athlete’s body needs energy. Which type of organelle in the athlete’s cells supplies the energy for cellular function?.
Answers
An athlete is running a race. The athlete’s body needs energy. Mitochondria in the athlete’s cells supplies the energy for cellular function.
Mitochondria- The majority of the chemical energy required to drive a cell's metabolic operations is produced by mitochondria, that are membrane-bound cell organelles. Adenosine triphosphate (ATP), a tiny molecule, serves as a storage container for the chemical energy generated by the mitochondria (ATP).
ATP- A vital "energy molecule" present in all living things is adenosine 5′-triphosphate, also known as ATP and typically written without the 5′-. In particular, it is a coenzyme which transfers energy to the cells by releasing the phosphate groups when it interacts with enzymes like ATP triphosphatase.
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I WILL GIVE BRAINLIEST
Answers
Answer:
the angle of diffraction is directly proportional to the size of the wavelength. this is why red light (long wavelength) diffracts more than blue light (short wavelength). And radio waves (really long wavelength) diffract more than X-rays (really short wavelengths)
Which situation would be directly related to the science of ecology?
studying how the mayfly population affects the number of trout in a stream
uncovering the genetic makeup of the eastern cottontail rabbit
learning about foods that benefit the heart and blood vessels
developing strains of corn that can withstand a combination of drought and high winds
Answers
The correct answer is:
A.(studying how the mayfly population affects the number of trout in a stream)
I took the test, hope this helps!
Answer:
Just answer to let u give brainlest to the other person
Explanation:
select any true statements describing carbohydrates: group of answer choices oligosaccharides are the heathiest carbohydrates found in our diets fibers are broken down in the human digestive tract and used as a source of energy glucose and fructose are simple carbohydrates starch is the storage form of glucose used by plants for energy glycogen is stored in animal muscle tissue complex carbohydrates are unhealthy because they are digested quickly and rapidly release large volumes of simple sugars into the blood
Answers
The true statements describing carbohydrates are glucose and fructose are simple carbohydrates, starch is the storage form of glucose used by plants for energy, and glycogen is stored in animal muscle tissue. Oligosaccharides are a type of carbohydrate, but they are not necessarily the healthiest.
Fibers are also a type of carbohydrate, but they are not broken down in the human digestive tract and used as a source of energy. Complex carbohydrates are not necessarily unhealthy, but they are digested more slowly than simple carbohydrates and do not rapidly release large volumes of sugars into the blood. Based on the terms you provided, here are the true statements describing carbohydrates Oligosaccharides are a type of carbohydrate that consists of a small number of simple sugars monosaccharides linked together. Glucose and fructose are simple carbohydrates, which are also known as monosaccharides. Starch is the storage form of glucose used by plants for energy. Glycogen is stored in animal muscle tissue and liver as an energy source for animals.
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3. Why are bats able to live much onger than
mice - even mice that have been
protected
their entire lives in a lab setting?
Answers
The scientists' findings suggest that these bats' cells have the ability to maintain and repair their telomeres. ... Based on its body size, a bat like the greater mouse-eared bat would be expected to live four years. But, these mammals have been found to live nearly 10 times longer than that.
Bats have a longer lifespan compared to mice, even when the mice are protected throughout their lives in a laboratory setting, due to a combination of genetic, physiological, and lifestyle factors.
Bats have a lower metabolic rate compared to mice. Generally, animals with lower metabolic rates tend to live longer. This is because a slower metabolism produces fewer metabolic byproducts, such as free radicals, which can cause damage to cells and tissues over time.
Bats have more efficient DNA repair mechanisms. DNA damage is one of the main factors contributing to aging and age-related diseases. Bats have evolved enhanced DNA repair mechanisms, which help them maintain the integrity of their genetic material for longer periods, reducing the accumulation of age-related damage.
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Which of the following cellular materials is solely composed of DNA and proteins?
Answers
Answer:
Chromosomes are thread-like structures in organisms, found primarily in the nucleus of the cell. These chromosomes contain genetic information and are involved in cell replication and reproduction. Along with DNA, chromosomes contain histones, which are proteins that keep the chromosome bound together.
the lung capacity that includes tidal volume, inspiratory reserve volume and expiratory reserve volume is called your
Answers
Answer:
Called your vital capacity or (VC)
Explanation:
At the zoo, you observe a small tree-dwelling primate with a long snout and a rhinarium (wet nose). It is most likely a
Answers
Observing a small tree-dwelling primate with a long snout and a rhinarium (wet nose) means it is most likely a strepsirrhines.
What is a Strepsirrhines?
This is a type of primate which include animals such as lemurs, bush babies etc.
They usually have characteristic long snout and a wet nose thereby making it the most appropriate choice.
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HURRY PLS HELP ASAP
Which substances compose the backbone of DNA?
sugars and lipids
phosphates and amino acids
sugars and phosphates
lipids and proteins
Answers
Answer:
sugars and phosphate compose backbone of dna
Answer:
sugars and phosphates
Explanation:
c
The oceans make up 70% of Earth's surface. They regulate the overall temperature of the earth by absorbing a great deal of solar energy and heating up slowly. What is true about the oceans' release of heat?
A. The oceans release heat rapidly and add to the greenhouse effect.
B. The oceans release heat more slowly than the land.
C. The oceans release heat more rapidly than the land.
D. The oceans release heat at the same rate as the land.
Answers
Love I think that the answer is B sorry I I was wrong
which one of the following statements about the proteins encoded by the major histocompatibility complex (mhc) is correct? a. antigens presented by class i mhc proteins enable cytotoxic t lymphocytes to detect virus-infected and cancerous cells. b. receptors on cytotoxic t lymphocytes bind to antigens presented by class ii mhc molecules. c. receptors on helper t lymphocytes bind to antigens presented by class i mhc molecules. d. all cells in the body except red blood cells express mhc ii proteins on their surfaces. e. mhc proteins stimulate the release of complement from macrophages.
Answers
The following assertions about the proteins that are encoded by the major histocompatibility complex (MHC) are accurate: Antigens given by class I MHC proteins enable cytotoxic T lymphocytes to detect virus-infected and cancerous cells. The correct answer is (A).
There are three categories of MHC-produced protein products: class I, class II, and class III molecules, both of which are involved in the presentation of antigens. The presentation of peptide antigen to the T-cell receptor is the primary function of Class I and II proteins, which are essential components of the immune system.
Since non-self, typically allogeneic organs from one person are transplanted into another, the function of MHC is particularly crucial in organ transplantation. Immunological rejection of transplants can take many forms when MHC presents an antigen.
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"
Final answer:MHC I and MHC II are major histocompatibility complex molecules that play crucial roles in the immune system. MHC I presents antigens derived from intracellular pathogens to CD8+ T cells, while MHC II presents antigens derived from extracellular pathogens to CD4+ T cells. The steps of extracellular antigen processing and presentation involve the uptake of pathogens by antigen-presenting cells, processing of antigens into peptides, and loading of peptides onto MHC II molecules. On the other hand, endogenous antigen processing and presentation involve the production of antigens within the cell, degradation of antigens into peptides, and loading of peptides onto MHC I molecules. These processes are essential for the activation of T cells and the initiation of an immune response.
Explanation:MHC I and MHC II: Roles in Immunity and Antigen Presentation
The Major Histocompatibility Complex (MHC) molecules, specifically MHC I and MHC II, play crucial roles in the immune system by presenting antigens to T cells. These molecules are involved in the recognition and activation of the immune response against pathogens.
MHC IMHC I molecules are found on the surface of all nucleated cells. They play a vital role in presenting antigens derived from intracellular pathogens, such as viruses and intracellular bacteria. The main function of MHC I molecules is to present peptides derived from these pathogens to CD8+ T cells, also known as cytotoxic T cells or killer T cells.
The process of MHC I antigen presentation involves several steps:
Intracellular pathogens are typically broken down into smaller protein fragments within the infected cell. These protein fragments, known as antigens, are transported into the endoplasmic reticulum (ER) of the cell. In the ER, the antigens are further processed and loaded onto MHC I molecules. The MHC I molecules, now presenting the antigenic peptides, are transported to the cell surface. CD8+ T cells recognize the antigenic peptides presented by MHC I molecules and initiate an immune response against the infected cell. MHC IIMHC II molecules are primarily found on antigen-presenting cells, including dendritic cells, macrophages, and B cells. They are responsible for presenting antigens derived from extracellular pathogens, such as bacteria and parasites. MHC II molecules present antigens to CD4+ T cells, also known as helper T cells.
The process of MHC II antigen presentation involves the following steps:
Extracellular pathogens are taken up by antigen-presenting cells through phagocytosis or endocytosis. Within the antigen-presenting cell, the pathogens are broken down into smaller protein fragments. These protein fragments, or antigens, are then loaded onto MHC II molecules in specialized compartments called MHC II compartments. The MHC II molecules, now presenting the antigenic peptides, are transported to the cell surface. CD4+ T cells recognize the antigenic peptides presented by MHC II molecules and initiate an immune response, activating other immune cells to eliminate the pathogen.Overall, MHC I and MHC II molecules play critical roles in the immune system by presenting antigens to T cells, which are essential for the activation of an immune response against intracellular and extracellular pathogens, respectively.
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the amount of light reaching the retinas is controlled by two donut-shaped bands of contractile tissue called the
Answers
The amount of light reaching the retinas is controlled by two donut-shaped bands of contractile tissue called the Iris.
The iris is a circular, contractile diaphragm that controls the size of the pupil, thereby determining the amount of light entering the eye. The iris is made up of two circular muscles: the pupillary sphincter and the pupillary dilator. These muscles control the size of the pupil, allowing more or less light to reach the retina.
The iris is a crucial part of the eye since it regulates the amount of light that enters the eye to keep it healthy and well-functioning. The iris is located in front of the eye's lens, just behind the cornea. It is a delicate, thin structure with a thickness of only a few millimeters, yet it serves several important functions in the eye.
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A postpartum woman is developing a thrombophlebitis in her right leg. which assessments would the nurse make to detect this?
Answers
The assessments that the nurse could make to detect this is assess for pedal edema.
What is pedal edema?Pedal edema is a classic symptom of congestive heart failure, but it may also be caused by other regional or systemic conditions.
It can also be caused by chronic kidney disease, liver disease, thyroid disorders, venous insufficiency, and venous thrombosis.
Swelling in the ankles, feet, and legs is frequently caused by oedema, or a buildup of fluid in these areas.
Oedema is usually caused by standing or sitting in the same position for an extended period of time.
Thus, in the given scenario the nurse should access for pedal edema.
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WHEN GRAPHING, THE MANIPULATED VARIABLE ALWAYS GOES ON THE X AXIS.
True
False
Answers
Answer:
True.
Explanation:
Always label the manipulated variable on the x- axis and the responding variable on the y-axis.
From a classification standpoint, which of these organisms shares the LEAST similarities with humans?
Answers
Answer:
hair
Explanation:
All animals have hair, not only that one
The hormone calcitonin is produced by the __________ cells of the thyroid.
Answers
How long dos it take for carbon to become a fossil fuel? how many steps are involved?
Answers
It takes more than 100 million years for carbon to become a fossil fuel. The fossil fuel formation process comprises of several steps, which include the following:
Step 1: Formation of Organic MatterThe first step in the formation of fossil fuels is the accumulation of dead organic matter. The organic matter can be animal or plant debris, such as algae, plankton, leaves, and other organisms.Step 2: Burial of Organic MatterThe second step is the burial of organic matter. As dead organic matter settles to the bottom of the ocean or a lake, it becomes buried under sediment. The sediment protects the organic matter from oxidation or decomposition by microorganisms.
Step 3: Heat and PressureThe third step involves the transformation of organic matter into fossil fuels by heat and pressure. When organic matter gets buried, the heat and pressure begin to increase. The weight of the overlying sediment causes the temperature and pressure to increase steadily. This process drives off the volatile compounds from the organic matter, leaving behind carbon-rich fossil fuels.Step 4: Formation of Fossil FuelsThe final step is the formation of fossil fuels. The transformation of organic matter into fossil fuels may take several hundred thousand to several million years, depending on the temperature, pressure, and chemical composition of the organic matter. When organic matter gets transformed into fossil fuels, it becomes coal, oil, or natural gas.
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What body systems are interacting to produce this work of art? Name the body system and describe its role in performing the task.
Answers
The piece of artwork is the result of the skeletal system working.
What is the skeletal system?The skeletal system serves as the body's framework and facilitates movement when our muscles contract. When the body requires certain minerals, including calcium and phosphorus, they are released from storage and enter the body.
Additionally, the skeletal system makes blood cells and shields interior organs. This skeleton system's interactions are what led to the creation of this piece of art.
Therefore, the skeletal system's operation produced the piece of art.
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What can be inferred from observed similarities in the forelimbs of humans, dogs and bats?A. These organisms share a common ancestor.
B. The animals share a similar ancestor.
C. The similarities in their body structures
D. Pig and human
Answers
Answer: answer is A
Explanation:
15. Sarah is a biologist who is studying a species of crab. In the wild, crabs with larger
pincers will have greater reproductive success than those with smaller pincers. To
investigate this further, she placed 50 crabs with small pincers and 50 crabs with large
pincers together in an isolated area that closely resembled their natural environment.
She observed several generations of the crabs over the next ten years. If her
experimental setup replicates the natural selection process in the wild, which result is
most likely to be observed?
A.the crabs born with small claws would develop larger claws and pass this trait to their offspring
B.The percentage of crab as with large claws would increase.
C.The percentage of crabs with small claws would increase.
D.the DNA in crabs with small claws would mutate in order to produce larger claws.
Answers
The correct answer is B. The percentage of crabs with large claws would increase.
Explanation:
Crabs with large claws have more chances to survive and reproduce; this biological advantage will make most of these crabs to successfully reproduce through generations and pass this feature to their offspring. On the opposite, crabs with smaller pincers do not have this reproductive or survival advantage, this implies many crabs with small pincers will not survive a long time or will not reproduce, and therefore this trait will not past to their offspring. Moreover, this situation will cause after many generations the large claws trait prevails, while the small claws trait decreases because crabs with larger claws are more suitable. According to this, it is expected the percentage of crabs with large claws would increase.
how did the occurrence of the different traits change over the 30-year period? use evidence from the graph to support your answer. using what you know about natural selection and adaptation, what generalization can you make based on these changes?
Answers
Answer:
You didn't show the graph
Explanation:
Answer:
Darwin was a British naturalist UN agency planned the idea of biological evolution by survival of the fittest.
Explanation:
What things affect the shape of a protein?
Answers
Answer:
not sure all of them, but i know one, and its kinda obv but what protein it is
Explanation:
Answer: determined by its primary structure
Explanation: sequence of amino acids
I need this answered asap, please
Answers
Answer: i can’t see the question
Explanation:
A species of worm is active at night, and comes to the top of the soil only when it is dark outside. In the daytime, the members of the species stay burrowed several inches beneath the soil. Which of these explanations BEST describes how this nocturnal behavior evolved in the species of worm?A)The worms have a predator with keen night vision.B)The worms have a predator that is active during the day.C)The worms rely on solar energy to increase their body temperature.D)The worms have increased mating opportunities at the surface that require visual cues.
Answers
We noticed that the exercise provides us with the following information:
• The animal is ,active at night, and only goes to the surface at night;
,• He stays during the day underground.
Analyzing the alternatives, we can say that:
• A) is incorrect. The animal goes to the top of the ground at night and this allows us to say that this time is "safe" for it. Therefore, your ,predator ,must be active during the day.
,• B) is correct. As mentioned in alternative "A", the predator is active during the day.
• C) is incorrect, as it remains buried during the day, so animals do not depend on solar energy.
• D) is incorrect, he increased his mating opportunities at night times.
Answer: B.
the semimembranosus __________ the thigh at the hip and __________ the leg at the knee.
Answers
The semimembranosus extends the thigh at the hip and flexes the leg at the knee.
The semimembranosus is found at the posterior thigh and comprises of
muscles which run from the thighs to the knee. This muscle acts primarily on
the knee and hip joints.
It is used to extend the thigh at the hip region and also flexes and used to
perform internal rotation in the knee region in which both are found in the leg.
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What kind of vegetation would you most likely expect to find in the chaparral biome?
a.
deciduous trees
b.
tall grasses
c.
hardy shrubs
d.
tall pine trees
Answers
Hardy shrubs is the kind of vegetation would you most likely expect to find in the chaparral biome.
What is Chaparral biome?This type of biome is characterized by hot and dry summers and mild winter period.
It is composed of mostly hardy shrubs and is susceptible to fire during late summer period.
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Answer:
C. hardly shrubs
Source:
trust me bro
Do plant cells always have cell walls
Answers
Answer: no they don’t they only have one
Explanation: