what kind of molecular information is commonly used to study phylogeny among photosynthetic organisms that diverged from a common ancestor relatively long ago?
Answers
DNA sequencing was developed several years before molecular phylogenetics. It is developed from Linnaeus's extensive use of the conventional approach of classifying species based on their similarities and differences in the 18th century.
The branch of phylogeny known as molecular phylogenetics examines genetic, hereditary molecular variations, primarily in DNA sequences, to learn more about the evolutionary relationships of organisms. These investigations allow for the identification of the mechanisms that have led to species diversity. Phylogenetic trees are used to represent the findings of molecular phylogenetic analyses. One component of molecular systematics is molecular phylogenetics.
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Related Questions
The sheets of connective tissue that hold the abdominal viscera in place are called:_______
Answers
The sheets of connective tissue that hold the abdominal viscera in place are called mesenteries.
What is connective tissue?Connective tissue is a type of tissue that connects various body parts and offers structural support. Together with epithelial, muscular, and nerve tissue, it is one of the body's four primary tissue types.
The peritoneum, the serous membrane that lines the abdominal cavity and covers the abdominal organs, is the structure that forms the double-layered mesenteries. The abdominal organs are suspended from the posterior abdominal wall by the mesenteries, which also support and shield the organs while allowing for movement and shifting during digestion and other body processes.
The lymphatics, nerves, and blood arteries that nourish and drain the abdominal organs travel along the mesenteries. They have a large number of blood arteries that carry nutrition and oxygen to the organs, as well as lymphatic vessels that remove waste materials and extra fluid. The abdominal organs' sensory and motor innervation, which allows them to interact with the central nervous system and react to varied stimuli, is likewise provided by the mesenteries' nerves.
Overall, the mesenteries are crucial for preserving the shape and functionality of the abdominal viscera and making sure they are working properly inside the body.
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Which step in transcription occurs first?
Answers
Answer:
mth
Explanation:
858nf9
Sorry if I am wrong, let me know if there are any choices, but if I am right, can I get brainliest please?
A state reached when particles continue to move but in equal amounts in and out of the cell.
Choose matching term
Isotonic
Diffusion
Facilitated diffusion
Dynamic equilibrium
Answers
The question is about a state reached when particles continue to move but in equal amounts in and out of the cell. The matching term for this description is "dynamic equilibrium."
In dynamic equilibrium, the rate of movement of particles into and out of the cell is equal, maintaining a constant concentration on both sides of the cell membrane.
In a biological system, homeostasis is a state of dynamic equilibrium where an organism maintains a stable internal environment through a continuous exchange of materials with the external environment.
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When you crack the back of a minion and then shake, they will glow like a glow stick. Kevin was wondering if temperature has any effect on how brightly they can glow. To test this, he will place one glowing minion in a walk-in refrigerator, one in the living room, and one in a sauna. He will then observe the brightness of each glowing minion. What is the independent or manipulated variable?
A. temp
B. brightness
C. shaking time
D. cracking the back of the minion
Answers
When I collect the copepods I study from different places along the California coast, they often differ in size. I think the differences are genetic, but my fiend says it is just due to differences in the environment (maybe colder temperatures result in larger copepods). What experiment would you do to assess the role of genetics vs environment
Answers
You may carry up a controlled breeding experiment to compare the influence of genetics and environment on the size variation of copepods gathered throughout the Californian coast.
Copepods should first be collected from several sites along the shore and stored in separate containers. Keep track of each population's average size. After that, choose a representative person from each demographic and store them in a separate container with the best possible environmental circumstances (such as food, temperature, etc.).
Over the course of a few weeks or months, note each person's size at regular intervals. You may analyse the data to see whether there is a noticeable difference in size between the populations after you have data on the size variation of the individuals in each group over time.
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Write instructions for a specific task that you would like to teach someone.
Answers
According to what you wish to educate them. You must keep in mind who you are speaking of. When trying to teach somebody about whatever it is you are trying to teach them, walk with easy so as not to harm their feelings. The said person may not be able to grasp readily or may not be able to do what you want to teach them. Never lose your temper and insult this individual or claim you are incapable of learning. Everyone has the capacity to learn, even if they suffer from a condition that makes them go more slowly than others.
Thanks,
Eddie
producers and microorganisms are able to use sulfur easiest if it is in what form? question 4 options: sulfide sulfhydryl group hydrogen sulfide sulfate
Answers
Producers and microorganisms are able to use sulfur the easiest if it is in sulfate form.
Producers, microbes, and sulfateProducers and microorganisms are able to use sulfur the easiest if it is in the form of sulfate. Sulfate is a stable and readily available form of sulfur in many environments.
Producers, such as plants, and various microorganisms have the ability to take up sulfate and utilize it in metabolic processes. Sulfate can be converted into organic compounds containing sulfur through enzymatic reactions within these organisms.
While other forms of sulfur like sulfide, sulfhydryl groups, and hydrogen sulfide may also be utilized by specific microorganisms in different contexts, sulfate is generally the most easily accessible and commonly utilized form of sulfur in biological systems.
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What enzyme in plants is discussed that is responsible for binding co2 out of the air for photosynthesis?.
Answers
Answer: Ribulose bisphosphate carboxylase/oxygenase (Rubisco) is a key enzyme in photosynthesis catalyzing carbon dioxide fixation.
Explanation:
How is phosphorus different from the other nutrient cycles?
Answers
There’s an explanation. I hope this helps!
body heat loss speeds up after 12 hours following death. True or False
Answers
The following statement “body heat loss speeds up after 12 hours following death. ” is False.
Body heat loss does not speed up after 12 hours following death. In fact, after death, the body undergoes a process called algor mortis, which refers to the gradual cooling of the body. The rate of body heat loss typically slows down over time rather than speeds up.
After death, the body's internal temperature begins to equilibrate with the surrounding environment. Initially, there may be a rapid decrease in body temperature as the body loses heat to the environment. However, this cooling process gradually slows down as the temperature of the body approaches the temperature of the surroundings.
It's important to note that the rate of body cooling can be influenced by various factors, including ambient temperature, clothing, body size, and the circumstances surrounding death. Therefore, the exact timeline and rate of body heat loss after death can vary. However, the general principle is that body heat loss slows down rather than speeds up after the first few hours following death.
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what is the term used for the high-energy species that is formed along the pathway of the enzyme-catalyzed conversion of substrate to product?
Answers
The term used for the high-energy species that is formed along the pathway of the enzyme-catalyzed conversion of substrate to product is transition state.
Transition state is a concept of a maximum in the energy landscape of a chemical reaction. It refers to the stage that precedes the formation of the products and follows the breakdown of the reactants. The transition state is the highest point in the energy pathway, and it determines the activation energy, which is the minimum amount of energy required to undergo a chemical reaction.
It is an essential concept in chemistry since it explains the mechanism of the reaction and the factors that affect it. The transition state is characterized by a specific structure, geometry, and energy content, and it is formed along the pathway of the enzyme-catalyzed conversion of substrate to product.
In conclusion, the term used for the high-energy species that is formed along the pathway of the enzyme-catalyzed conversion of substrate to product is transition state.
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4. Mr. McDermott yelled at Ms. Carmain when he found out that she had
eaten all his chocolate chip cookies.
a. Reproduction
b. Response to stimuli
c. Growth and development
d. Obtaining resources for energy
Answers
Answer:
D I'm pretty sure
Explanation:
should fracking be used to release natural gas and oil ?
Answers
Explanation:
Fracking is the introduction of substances into a formation in order to increase they pore pressure and to increase natural drive of hydrocarbons.
Fracking has several environmental issues associated with it;
Fracking leads to air pollution in case of blowout of gas pressure in formations, particles and dusts can become blasted into the environment. Proppants in fluids channeled into formations can lead to ground water contamination. In areas where fracking is done, there might be an exposure to harmful chemicals. Destruction of the natural habitats of animals.when the skin comes in contact with a irritant science
Answers
Itchy, blistering, dry, and cracked skin are symptoms of contact dermatitis. Darker skin can turn gray or dark brown, whereas lighter skin can turn red.
Why do I feel so scratchy?Examples include hives, eczema, psoriasis, scabies, parasites, scars from burns, and eczema and psoriasis. internal illnesses. Whole-body itching could be an indication of an underlying condition such liver disease, renal disease, malaria, diabetes, thyroid issues, or even some malignancies.
How does it feel to itch from diabetes?The itching that comes with diabetes can be severe. It's difficult to resist the want to scratch because of how grating the sensation is, yet doing so could make that itch worse. Nevertheless, if you have diabetic nerve damage, you may itch wherever.
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ASAP PLS
Which organism has a distinct central nervous system? 1. starfish 2. jellyfish 3. crayfish 4. clam
Answers
A creature with a distinctive central nervous system is the crayfish. In crayfish, the intersegmental axon cables that connect the segmental ganglia form the central nervous system.
What does a human body's organism mean?Millions of minuscule living things, collectively known as the human microbiota, live inside each and every cell of the body. Microbes known as bacteria are most frequently found in the gut, nose, and mouth.
A living thing can it survive on its own?The interaction between different creatures and their surroundings is a topic of study in the ecology of organisms. An individual must rely on other living organisms and the underlying physical environment in order to survive; they cannot exist entirely in isolation from other similar species.
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How does the dissociation curve for fetal hemoglobin compare to that for maternal hemoglobin?.
Answers
Answer:
Shifted Left
Explanation:
Fetal Hb dissociation curve is shifted to the L reflecting higher O2 binding affinity of fetal Hb
Will a paper airplane with longer wings fly farther than shorter wings?
Answers
Answer:
yes
Explanation:
because pwede nya liparin hagang 10meters
Answer:
no .the shorter wings fly farther than longer wings
In humans, urea is synthesized in the
1.
liver
2.
alveolus
3.
large intestine
4.
small intestine
Answers
Which activity uses ATP to raise body temperature?
shivering
storing fats
panting
hibernating
Answers
Answer:
shivering it creates energy, 60% of which is wasted on heat
Shivering uses ATP to raise body temperature. So the correct option is A.
What is shivering?Without your conscious involvement, your body controls how it reacts to stress, illness, heat, cold, and other situations. When you are too hot, for instance, you sweat to cool the body, but you don't have to think about it. And you shiver naturally when you're chilly.
Your muscles quickly contract and release, which results in a shudder. Your body naturally tries to warm up as it becomes cooler, which is why you are experiencing this uncontrollable muscular activity.
The only reason you shiver, though, is in response to the cold. You may tremble and shiver due to a variety of factors, including illness. You could start to shiver as the temperature falls below what your body considers comfortable. Your body's surface heat production might increase by around 500% when you can see yourself shivering. However, shivering will only temporarily warm you up.
Your muscles will eventually run out of glucose (sugar) to use as fuel and become too exhausted to contract and relax after a few hours. The temperature during which shivering begins varies depending on the individual. Children, for instance, may shiver more readily in reaction to higher temperatures than an adult with greater body fat would.
Therefore the correct option is A.
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With the help of a labeled diagram, the process of photosynthesis in autotrophs
Answers
(diagram is in the picture) In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose. Glucose is a type of sugar that gives plants energy. Plants also use glucose to make cellulose, a substance they use to grow and build cell walls.
I hope this helps you! Happy to help, have a great day! :)
o ensure that all bacteria are removed from the puncture site for blood cultures, the site should be cleansed using friction for a minimum of
Answers
60 seconds
To ensure that all bacteria are removed from the puncture site for blood cultures, the site should be cleansed using friction for a minimum of 60 seconds.
Where exactly is the puncture site?The proper location must be cleansed and punctured with a lancet so that a drop of blood can be softly expressed before blood can be collected using a capillary tube.But what constitutes a suitable location? Finger: In both adults and children, the third or fourth finger is typically favored location as a puncture siteWhere on the body does a skin puncture most frequently occur?The most frequently used site is the distal end of the third or fourth finger. Because the bone is so close to the skin surface, there is a higher risk of puncturing the bone at the very tip of the finger.To learn more about puncture site visit:
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Describe classification by cladistics
Answers
Answer:
It is a system that involves the categorization of organisms based on shared traits.
Explanation:
organisms are typically grouped by how closely related they are, and thus clad is tics can be used to trace ancestry back to shared common ancestors.
identify the indentation that is inferiorolateral to the auricular surface.
Answers
In anatomy, an indentation is defined as a notch (i.e., a small hollow) of any body structure. The greater sciatic notch is an indentation in the ilium, which is one of the bones that form the pelvis.
The indentation inferolateral to the auricular surface is the greater sciatic notch.The greater sciatic notch is a bony depression (indentation) in the pelvis localized above the ischial spine.The auricular surface of the ilium is an ear-shaped surface that articulates with the sacrum in order to form the sacroiliac joint.Learn more in:
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What do mitochondrial and thylakoid membranes have in common?
Answers
Answer:
Both membranes contain ATP Synthase Proteins.
solve it according to the question please.
the subject is petroleum, so please solve it regardibg
this.
F- Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)
Answers
During the Cretaceous period, high temperatures and abundant vegetation resulted in increased \(CO_2\) levels, leading to the accumulation of organic matter and the formation of good source rocks for oil and gas.
During the Cretaceous period, spanning from approximately 145 to 66 million years ago, the global carbon-climate cycle played a crucial role in the development of favorable conditions for the formation of good source rocks. The period was characterized by high global temperatures and abundant vegetation, resulting in increased carbon dioxide \((CO_2)\) levels in the atmosphere.
The elevated \(CO_2\) levels fueled vigorous photosynthesis, leading to the accumulation of organic matter in marine and terrestrial ecosystems. As this organic matter was buried and subjected to heat and pressure over millions of years, it transformed into oil and gas, creating potential source rocks. The warm climate and prolific vegetation during the Cretaceous, along with the subsequent geological processes, contributed to the formation of the rich hydrocarbon reserves that are vital to our energy resources today.
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The correct question is:
Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)
The process of glycolysis produces 4 ATP total, but we say that the net ATP production is 2 ATP. What happened to the two other ATP molecules
Answers
Mammals produce heat by using the endogenous uncoupling agent:A) the protein cytochrome c.B) the protein thermogenin.C) a modified form of the F0F1 ATPase.D) the small molecule 2,4-nitrophenol synthesized by the cell.E) the protein thioredoxin.
Answers
Mammals produce heat by using the endogenous uncoupling agent of the protein thermogenin. The correct answer is B.
Thermogenin, also known as uncoupling protein 1 (UCP1), is a unique protein found in brown adipose tissue (BAT) of mammals. Its primary function is to facilitate heat production, or thermogenesis, by uncoupling the oxidative phosphorylation process within the mitochondria.Here's a step-by-step explanation of how thermogenin works to produce heat:Thermogenin is activated by cold temperatures or other stimuli, such as norepinephrine released in response to cold exposure.Upon activation, thermogenin is inserted into the inner mitochondrial membrane, where it forms a channel for protons (H+).The flow of protons through this channel allows them to bypass the ATP synthase complex (F0F1 ATPase), which is responsible for generating ATP during oxidative phosphorylation.By bypassing the ATP synthase complex, the energy derived from the electron transport chain is released as heat instead of being used to synthesize ATP.This increase in heat production helps to maintain body temperature and protect against hypothermia.In conclusion, the endogenous uncoupling agent responsible for heat production in mammals is the protein thermogenin, which works by disrupting the normal process of oxidative phosphorylation and releasing energy as heat instead of ATP. This mechanism is essential for maintaining body temperature and adapting to cold environments.For more such question on thermogenin
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Which of the following explains biodiversity?
Answers
Answer:
The right option is; B) the total variety of organisms on Earth
Explanation:
The absolute assortment of living beings on Earth clarifies biodiversity
Biodiversity is the assortment and inconstancy all things considered (various plants, river creatures, and microorganisms) from all sources (marine, earthbound, and other sea-going biological systems) on earth or inside a specific area. Biodiversity includes hereditary assorted variety, species decent variety, and biological system decent variety which all capacities together to frame the unpredictability of life on earth.
What is one of the outcomes of the death of a star? *
Answers
Answer:After puffing off its outer layers, the star collapses to form a very dense white dwarf. One teaspoon of material from a white dwarf would weigh up to 100 tonnes. Over billions of years, the white dwarf cools and becomes invisible.
Explanation: googel hope it helps
Gel electrophoresis allows molecules to migrate along the gel at different rates by using:
Answers
Answer:
Agarose gel or Pores in the gel
Explanation:
This question could have multiple answers because the gel has pores in it that allow smaller fragments of DNA to move faster through the pores because they're not getting stuck in the gel. Larger fragments of DNA get stuck in the gel as they try to fit through the large pores.
So, you could either say the agarose gel itslef or you could say the pores in the agarose gel allow the molecules to move at different rates.
Answer:
electrical fields
Explanation: