The species that are least closely related according to evolutionists would be the pair with the highest number of amino acid differences between them, that pair would be Species 1&2, last potion.
What is evolution?The change in heritable traits of biological populations over successive generations is referred to as evolution. Evolutionary processes generate diversity at all levels of biological organization. The last universal ancestor is the common ancestor of all life on Earth.
Because a protein's amino acid sequence is determined by its DNA sequence, a gene shared by two closely related organisms should have similar, if not identical, amino acid sequences. This is because closely related species most likely diverged relatively recently in the evolutionary timeline.
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Match the following terms with their definition.
Which of the following best describes Recombinant DNA?
A. DNA that has been copied into an mRNA strand.
B. A plasmid and restriction enzyme.
C. A bacterial gene with a target plasmid inside it.
D. A bacterial plasmid with a target gene inside it
Answer: D. A bacterial plasmid with a target gene inside it best describes Recombinant DNA.
Explanation: Recombinant DNA is formed by inserting a target gene of interest into a plasmid, which is a circular piece of DNA that can replicate independently in a bacterial cell. This results in a bacterial plasmid with the target gene inside it. The recombinant DNA can then be used for various purposes such as producing proteins, testing gene function, and more.
Question 2 of 10
In a controlled experiment, which group experiences the test?
OA Measurements and observations
B. Instruments and equipment
C. Control group
D. Experimental group
SUB
Answer:
A is the correct answer
Explanation:
I choose A because There will just watch, measure and observe the test.
Then pen in a squid is believed to have come from what:
A evolution: the squid lost its other bones
Bevolution: the squid lost its tail
Csquids do not have pens
B evolution: the squid lost its shell
Answer:A evolution: the squid lost its other bones
Explanation:The pen, a stiff, rod-like structure found in the body of some species of squid, is believed to have evolved from the remnants of a once more extensive skeleton that the animal no longer needed. Over time, as the squid evolved, it lost many of its bones, including those in the tail, leaving only the pen as a remnant of its evolutionary history. This is known as a process of reduction, in which an organism reduces its overall skeletal structure as it adapts to its environment and changes in behavior or anatomy.
Take a look at the information pertaining to the loss of biodiversity in North America (above) between 1970 and 2016. Which driver had the most negative impact on biodiversity? List and describe 3 factors that could lead to this impact.
Land use change (mainly for large-scale food production), which is responsible for 30% of the global biodiversity decline, is the primary direct cause of biodiversity loss.
What is biodiversity?The variety of animals, plants, fungi, and even microorganisms like bacteria that make up our natural environment are all included in what is known as biodiversity.
The greatest direct source of biodiversity loss is land use change, which accounts for 30% of the worldwide decline in biodiversity (mostly due to large-scale food production).
The second major factor, accounting for 20%, is overexploitation (overfishing, overhunting, and overharvesting) for goods including food, medicine, and timber.
Thus, this is the main negative impact on biodiversity.
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Which action will help preserve the environment for future generations?
A. Clear-cutting an area for urbanization
B. Introducing invasive species to more ecosystems
C. Increasing fishing in declining habitats
D. Passing laws for sustainable development
Which factor distinguishes the experimental group from control group?
Answer:
The independent value or the independent variable
Why do scientist hypothesize that earth is about 4.5 billion years old  hypothesize
Answer:
Scientists hypothesize that the Earth is about 4.5 billion years old due to a variety of evidence, including radiometric dating of meteorites and other extraterrestrial objects, as well as radiometric dating of rocks found on Earth. Additionally, the age of Earth is also estimated based on the age of the solar system, which is believed to have formed around the same time. Finally, the age of Earth is also estimated based on the age of the Moon, which is believed to have formed around 4.5 billion years ago.
Answer:
Scientists estimate the age of the Earth to be approximately 4.5 billion years old based on several lines of evidence. This includes radiometric dating of rocks, which uses the decay of isotopes of certain elements to determine the age of the rock. Meteorites, which are believed to have formed at the same time as the solar system, also provide age information. Additionally, the ages of moon rocks brought back by the Apollo missions provide independent confirmation of the Earth's age. Other lines of evidence, such as the ages of the oldest minerals on Earth and the time it took for the Earth's magnetic field to stabilize, also support this age estimate. The convergence of all these lines of evidence leads scientists to conclude that the Earth is about 4.5 billion years old.
Knowing the age of the Earth is important for understanding the evolution of our planet and its place in the solar system. By determining the age of the Earth, scientists can also study the processes that have shaped and changed the Earth over time, such as mountain building, plate tectonics, and the evolution of life. The age of the Earth also has implications for broader scientific questions, such as the origin of the solar system and the evolution of the universe. In addition, understanding the age of the Earth allows scientists to put events in Earth's history, such as mass extinctions and the evolution of life, into a chronological framework. All these reasons make it important for scientists to determine the age of the Earth.
Can new brain cells be created
1. Compare the consequences of a gene deletion that occurs during
mitosis and meiosis. Which individuals (parents or progeny
experience the phenotypic effect of the gene loss in each case
Deletions in the genetic sequence during mitosis and meiosis result into frameshift and change in the reading frame of the DNA molecule.
What is Gene deletion?Gene deletion is the loss of all or a part of a gene. There may also be a change in the sequence of RNA and the protein which are made from that mutated gene.
Deletions in the gene can be caused by the errors in chromosomal crossover which takes place during meiosis, which causes several serious genetic diseases in the organisms. Deletions which do not occur in multiples of three bases can cause a frameshift of the sequence by changing the 3-nucleotide protein reading frame of the genetic sequence of the DNA.
Mitotic errors lead to DNA damage. Mitotic errors have long been recognized to be one of the major source of whole-chromosomal aneuploidy, however the recent evidence has also found to be linked with chromosome segregation errors to the generation of DNA damage which promotes structural alterations in the chromosomes.
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How does a thunderstorm break apart and disappear?
Answer: When the downdrafts in the cloud become stronger than the updrafts, the storm starts to weaken. Since warm moist air can no longer rise, cloud droplets can no longer form. The storm dies out with light rain as the cloud disappears from bottom to top. The whole process takes about one hour for an ordinary thunderstorm.
Explanation:
macro and micro pores
Micropores are those pores most responsible for holding water. Water drains through the macropores, and settles into micropores.
Do macros and micropores explain?Macropores drain openly by gravity and allow easy movement of water and air. They give a habitat for soil organisms and plant roots can grow into them. With diameters less than 0.08 mm, micropores are tiny soil pores normally found within structural aggregates. Suction is needed to remove water from micropores.
Micropores are those pores most in charge of holding water. Macropores are those responsible for maintaining air. Water drains through the macropores, and resolves into micropores where the water is held very tightly.
So we can conclude that Examples involve zeolites, AlPO4, metal-organic frameworks (MOFs), clays, carbon, etc. Zeolites are the most well-known group of microporous matter.
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PLEASE HELP
9. Which arrow or arrows indicate a process that cycles carbon from living or nonliving organisms? Describe the process or processes you selected.
10. Which arrow or arrows represent reactions that demonstrate the conservation of mass and energy? Explain your answer.
Answer:
9. In an ecosystem shown, arrow D indicates a process that cycles carbon from living or nonliving organisms. The process is evaporation.
10. All arrows represent the conservation of mass and energy.
Explanation:
Hope it helps:)
Pls tell me if I got it wrong:)
give any two reasons why phylogenetic classification is not always possible
You have a 2 gram/mL stock solution of protein. To make 10mL of 10 mg/mL solution, add ______ of stock then add ______ of water to make the final volume ______ mL (HINT: Convert units)
You have a 2 gram/mL stock solution of protein. To make 10 mL of 1 mg/mL solution, add 0.05 mL of stock and 24.95 mL of water for a final volume of 25 mL.
What are measurements?In this case, the new solution is expressed in milligrams per mL (mg/mL) while the stock solution is expressed in grams per mL. Let's only utilize mg/mL for the computations.
By assuming that the amount of protein in the new solution is equal to the amount we would remove from the stock solution, we can obtain an equation.
Therefore, you have a 2 gram/mL stock solution of protein. To make 10 mL of 1 mg/mL solution, add 0.05 mL of stock and 24.95 mL of water for a final volume of 25 mL.
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which substance is reactant in aerobic cellular respiration
The substance that is a reactant in aerobic cellular respiration is glucose and oxygen.
What is aerobic cellular respiration?In the presence of oxygen gas, cells undergo cellular respiration, which is how energy from food is produced. ATP, carbon dioxide and water are the end products of aerobic respiration, which starts with oxygen and glucose as reactants.
ATP, carbon dioxide and water are the end products of aerobic respiration, which starts with oxygen and glucose as reactants.
Therefore, glucose and oxygen are the substances that are a reactant in aerobic cellular respiration.
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Select all the examples of the function of proteins
1 lactase is an enzyme that is responsible for breaking down lactose into unstable sugars within the stomach
2. ATP provides chemical energy for cells
3 keratin makes up hair skin and nails providing them with strength and support
4 estrogen and testosterone are sex hormones produced in the ovaries
5 hemoglobin transports oxygen within the body
"Lactase is an enzyme that is responsible for breaking down lactose into unstable sugars within the stomach, keratin makes up hair skin and nails providing them with strength and support and hemoglobin transports oxygen within the body" are all examples of the function of proteins.
What are proteins?Proteins are substantial biomolecules and macromolecules made up of one or more extended chains of amino acid residues.
Among the many tasks that proteins carry out in living things include catalyzing metabolic processes, replicating DNA, reacting to stimuli, giving cells and organisms structure, and moving molecules from one place to another. The primary way that proteins differ from one another is in the order of their amino acids, which is determined by the nucleotide sequence of their genes and typically causes a protein to fold into a certain 3D structure that controls its activity.
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Underground mining removes minerals from deep in the earth. Miners use blasting to separate the "waste" from the mineral deposit. Which statement best describes an environmental consequence of this process? (3 points)
Underground mining activities often cause noise pollution.
Acid mine drainage kills plants and animals around the mine.
High salinity of wastewater reduces soil fertility and vegetation.
Soil is removed by the force and pressure of the drilling process.
Answer:
Explanation: Acid mine drainage kills plants and animals around the mine is the statement that best describes an environmental consequence of underground mining. Acid mine drainage is a byproduct of the mining process that occurs when water reacts with minerals in the rock, creating acidic and toxic conditions. This can have a significant impact on the local ecosystem, killing plants and animals that live in and around the mine, and contaminating water sources. It is important for mining companies to manage and mitigate the impact of acid mine drainage to minimize its environmental consequences.
How is cancer defined, meaning how
do doctors decide what type of
cancer patients have?
A. by where it ends
B. by where it spreads
C. by where it starts
Why does a thunderstorm get more severe rather than losing energy and disappearing?
Radioactive dating has allowed scientists to estimate the Earth's age. This technique relies on measuring the rate of radioactive decay of_____
A.stable parent elements
B.unstable parent elements
C.unstable daughter products
D.stable daughter products
I need a help
Answer: B.unstable parent elements
Explanation:
Mini was helping her mother in the kitchen when she observed that some of the potatoes started to sprout from their notched areas.How does a new potato plant sprout from this potato itself? Name any two plants which can reproduce in the same way
Through vegetative propagation, the potato plant carries out asexual reproduction. The process of creating new plant progeny from the vegetative components of the parent plant.
What is vegetative propagation?Plants can reproduce asexually by vegetative propagation, which takes place in their leaves, roots, and stems.
This may happen as a result of the fragmentation and regeneration of particular vegetative plant components.
Vegetative methods are mostly used to propagate potatoes (cloning). There are nodes or eyeballs in potato tubers where new growth sprouts.
Sprouts are the new stems that are emerging from each eye and are what give life to a new plant.
Examples of vegetative proliferation through leaves include begonia and bryophyllum.
Vegetative propagation is used to grow food crops like cassava, sweet potatoes, sugarcane, pineapple, bananas, onions, etc.
Thus, this way, a new potato plant sprout from this potato itself.
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In 1997 a team of scientists discovered three fossilized skulls and other artifacts at a dig site in Ethiopia, Africa. Since it is difficult to determine the age of once living organisms, the scientists used radioactive dating on the igneous rocks that surrounded the remains to determine their age. Why would scientists use radioactive dating in order to determine the age of the fossil they discovered? 1)Radioactive dating gives an estimated age of the igneous rocks, while the law of superposition will only reveal which is younger or older 2)Radioactive dating is an easier and less expensive method than applying the law of superposition for estimating the age of igneous rocks
3)Radioactive dating is specific and gives the exact date that a rock was formed while the law of superposition gives an estimate of ages
4)Radioactive dating determines whether the igneous rocks are older or younger than deeper stratas of rocks, while using the law of superposition depends on tectonic events
Radioactive dating is specific and gives the exact date that a rock was formed, which is why scientists use it to determine the age of the fossil they discovered. Option 3) "Radioactive dating is specific and gives the exact date that a rock was formed while the law of superposition gives an estimate of ages" is the correct reason.
Meiosis is a form of which of the following cell divisions?
Can human reproduce without cells
Why or Why not?
please hurry
answer ASAP PLEASE
Humans can't reproduce without cells because the process of fertilization requires the fusion of the sperm and egg cells.
What is Reproduction?This is referred to as the biological process by which new individual organisms which are called offspring are produced from their parents through different techniques.
It usually involves the fusion of the male and female gametes which are composed of cells and contain the required DNA which are passed to the offspring. Scientific studies have made artificial embryos but there has been cases of malformations which is why it isn't feasible.
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What are left over pieces of our Solar Systems early formation called?
*
1 point
Planetesimals
Comets
Asteroids
Nuclei
frequency of the dominant allele
1)Q
2) P
3) 2PQ
4)p + q = 1
Who observed comets and proved that the planets are NOT in celestial spheres?
*
1 point
Ptolemy
Galileo
Newton
Brahe
What is lightning and thunder?
Lightning is a discharge of electricity. A single stroke of lightning can heat the air around it to 30,000°C (54,000°F)! This extreme heating causes the air to expand explosively fast. The expansion creates a shock wave that turns into a booming sound wave, known as thunder.
How can genetic engineering be used to help people with genetic disabilities?
Answer:
Fixing mutated genes.
Mutated genes that cause disease could be turned off so that they no longer promote disease, or healthy genes that help prevent disease could be turned on so that they could inhibit the disease.
Explanation:
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