The purpose of treating the radish seeds for the lab "Radical Radishes" with radioactive cobalt-607 is to hybridize normal radish DNA with a radioactive DNA probe. Thus, the correct option is B.
What are Probes?Probes may be characterized as a single-stranded sequence of DNA or RNA manipulated to explore its complementary sequence in a sample genome.
The radioactive elements in the research are used for hybridizing the radioactive probes that are labeled in the genome sample which is under investigation.
Therefore, the correct option is B.
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Summation that results from the cumulative effect of multiple synapses at multiple places on the neuron is designated.
Summation that results from the cumulative effect of multiple synapses at multiple places on the neuron is designated spatial summation.
A strategy for generating an action potential in a neuron using input from several presynaptic cells is called spatial summation. It is the algebraic addition of potentials from various input regions, typically dendrites.This process, known as spatial summation, occurs when inputs from several neurons combine to cause an action potential. These potentials, which are often from dendrites, are combined to produce the spatial summation.The likelihood that a potential will reach the threshold level required to trigger an action potential increases with the amount of excitatory postsynaptic potentials. Similar to this, the likelihood of attaining the threshold potential to trigger an action potential decreases as the number of inhibitory postsynaptic potentials increases.
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How long are Capillary sites generally warmed?
Capillary sites generally should be warmed within 3 minutes.
What is Capillary site?
Parts of the body such as the finger or heels are regarded as capillary sites in which blood is usually collected.
Heating this site within three minutes will ensure that blood flow within that area is enhanced or increased.
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The conduction system contains pacemaker cells, nodes, the __, and the __.
The conduction system contains pacemaker cells, nodes, the Purkinje fibers, and the bundle of His.
What is the conduction system of the heart?The conduction system of the heart refers to the the system of cells and fibers which enables conduction of nerve impulse which enables the contraction of the heart.
The conduction system of the heart consists of:
Sinoatrial nodeAtrioventricular nodeAtrioventricular bundle (bundle of His)Purkinje fibersTherefore, the conduction system of the heart coordinates the contraction of the heart.
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Halophilic bacteria possess a pigment related to ____________ that absorbs solar energy to pump chloride ions, keeping them alive under such saline conditions.
Halophilic bacteria possess a pigment related to the plant's chlorophyll.
Halophilic bacteriaThey are bacteria that live in high salt environments. They have a certain feature that enables them to pump out salts in order to maintain normal osmotic conditions in their bodies.
Halophilic bacteria are equipped with bacteriorhodopsin and halorhodopsin. These enable them to photosynthesize like plants. and generate the much-needed ATP for pumping out salts.
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What do centrioles help animal cells
with?
A. cell digestion
B. cell motility
C. cell division
D. cell defense
Answer:
cell motility
Explanation:
Answer: C. cell division
Explanation:
Which cells are present during acute inflammation?
Neutrophils are the cells which are present during acute inflammation.
What is Neutrophil?These cells are referred to as granulocytes and make up of majority of the white blood cells.
When inflammation occurs, the neutrophils go to the site and destroy the micro-organisms through ingestion or releasing enzymes so as to keep the body safe.
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The list shows some of the livestock being raised in South Dakota.
Annual Livestock Inventory in South Dakota
•
3.7 million cattle and calves
1.4 million hogs and pigs
91,000 dairy cows
•
285,000 sheep and lambs
38,000 bison
D
Based on these data, which type of livestock is least likely to be raised in
large-scale industrial livestock production in South Dakota?
O A. Beef cows
• B. Bison
• c. Sheep and lambs
• D. Dairy cows
As per the given data, Beef cows a type of livestock is least likely to be raised in large-scale industrial livestock production in South Dakota. The correct option is A.
What is livestock?With the exception of poultry, livestock refers to farm animals. Cattle, sheep, pigs, goats, horses, donkeys, and mules predominate in Western countries; other animals, such as buffalo, oxen, llamas, or camels, may predominate in other areas' agriculture.
As per the given data, Beef cows a type of livestock is least likely to be raised in large-scale industrial livestock production in South Dakota.
Thus, the correct option is A.
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Relative time of divergence from a common ancestor can be estimated by:.
The relative time of divergence from a common ancestor can be estimated by comparing the nucleotide/protein sequence.
What is sequence homo-logy?In molecular biology, sequence homo-logy means the degree of similarity between sequences due to a common ancestor.
A sequence is a given fragment of a single DNA strand where nucleotides are arranged in a specific linear order.
Divergence or separation between lineages is directly proportional to the level of sequence homo-logy.
In conclusion, the relative time of divergence from a common ancestor can be estimated by comparing the nucleotide/protein sequence.
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The scientific evidence that scientists use in supporting or critiquing the conclusions of experiments usually consists of
A) raw data
B) outlier data
C) precise data
D) summarized data
Answer:
The answer is A raw data i think I'm not sure
Water in central taxis comes from the Edwards aquifer tends to be hard which of the following would you expect to find in this water
The hard water from Edwards aquifer will likely contain dissolved calcium trioxocarbonate (iv) or magnesium and calcium tetraoxosulphates (iv).
What is hard water?Hard water refers to water that contains dissolved minerals in it.
The hardness of water may be temporary or permanent hardness.
Temporary harness is caused by trioxocarbonates of calcium in water.
Permanent hardness is caused by magnesium and calcium tetraoxosulphates.
Thus, the hard water from Edwards aquifer will likely contain dissolved calcium trioxocarbonate (iv) or magnesium and calcium tetraoxosulphates (iv).
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Females who lift weights are not going to develop large, bulky muscles because __________.
Females who lift weights are not going to develop large, bulky muscles because they have lower testosterone levels than men.
What is testosterone?Testosterone is defined as the main sex hormone of the males that are produced in the testicles.
The functions of Testosterone include
bone mass, fat distribution, muscle mass and strength, and the production of red blood cells and sperm.This hormone is produced in small quantities in females therefore, females who lift weights are not going to develop large, bulky muscles.
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The geographic isolation of a population from other members of the species and the subsequent evolution of reproductive barriers between it and the parent species describes ________ speciation. Group of answer choices sympatric
Answer:
allopatric speciation.
Explanation:
For Labrador retrievers, black fur is dominant over yellow. Could a golden yellow
Labrador be obtained by crossing two black ones? Explain. (3 marks)
Answer:
it could
Explanation:
the recessive genes of the golden fur is still in the gene pool and maybe one black lab has the dominate black fur gene but has the golden recessive gene still accessible. so it could happen
Hello people ~
Which of these is not a process that can cause speciation?
A. Seasonal migration
B. Asexual reproduction
C. Mate selection
D. Genetic damage
Answer:
I believe it's D. asexual reproduction
What activates neutrophils?
Neutrophils are activated by chemokines such as pathogen molecules or cell damage–associated proteins.
What are Neutrophils?
These are granulocytes and comprise of majority of the white blood cells found in the body.
They are usually activated by chemokines which are usually in the form of pathogen molecules or cell damage–associated proteins to ensure the body is adequately protected.
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Beverly and Carl are in a race. Their graphs show the data.
A graph with horizontal axis time (seconds) and vertical axis velocity (meters per second). An orange line labeled Beverly starts at 0 seconds 0 meters and goes straight to 10 seconds 15 meters and then to 50 seconds 35 meters. A blue line labeled starts at 0 seconds 0 meters and goes straight to 10 seconds 10 meters and then to 50 seconds 30 meters.
Which best describes the race?
Even though for a majority of the race they accelerated at the same rate, Beverly won because hethe r initial acceleration was greater than Carl’s.
How, explain your answer?The given parameters are listed as follows:
For Beverly: initial time of motion, t₁ = 10 s
initial velocity, u = 15 m/s
final time of motion, t₂ = 50 s
final velocity, v = 35 m/s
For Carl: initial time of motion, t₁ = 10 s
initial velocity, u = 10 m/s
final time of motion, t₂ = 50 s
final velocity, v = 30 m/s
In summary, Beverly and Carly had the same average acceleration for the majority of the race but the initial acceleration of Beverly was higher than that of Carl, hence Beverly won the race.
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Answer: c
Explanation: Even though for a majority of the race they accelerated at the same rate, Beverly won because her initial acceleration was greater than Carl’s.
Describe the genetic code and its relationship to polypeptides and proteins
The genetic code is directly related to polypeptides and proteins in the sense that genes are decoded to synthesize proteins.
What is the genetic code?Genetic code is the set of rules by which the sequence of bases in DNA are translated into the amino acid sequence of proteins.
The genetic code is unique for living organisms and is used to synthesize the proteins that is responsible for various activities in living organisms.
The genes in the genetic code are first transcribed into mRNA, which is then translated into proteins (polypeptides).
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When HUMAN BEINGS drown in the ocean and cannot survive, animals such as WHALE and SHARK can. Explain why.
Answer:
Because a whale and a shark are water animals and have special gills for breathing under water and humans are land animals
Explanation:
Answer:
Whales And Sharks have biological features (Gills and etc.) that give them the ability to "breathe" underwater. Humans do not.
Explanation:
Humans don't have the biological features necessary to breathe underwater (without man-made equipment)
Organisms with the most beneficial traits will survive. This is commonly known as.
Answer:
O Ecosystem which is survival of the fittest.
Explanation:
Answer:
Natural selection
Explanation:
Which of the following is TRUE about the role of organisms in biogeochemical cycles?
A. Materials follow a cyclic path in the ecosystem.
B. The end part of every food chain is decomposers.
C. Primary consumers take more energy than Secondary consumers
D. Biotic factors bring back the essential materials to the environment through respiration or decomposition.
Answer:
C.
Explanation:
C. Primary consumers take more energy than Secondary consumers
1. What observations made in the 1600s and 1700s led some people to believe that there was a
"vital force" in the air?.
Microscopical observations show the presence of simple in structure, abundant, and pervasive microorganisms. Researchers at the time came to the conclusion that there was a life force in the air.
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Root hair cells absorb MINERALS from the soil by the process of…
Answer:
oot hair cells
Plants absorb water from the soil by osmosis. They absorb mineral ions by active transport, against the concentration gradient.
Explanation:
Choose all the answers that apply.
Asteroids:
only orbit planets
take millions of years to orbit the sun
are made of frozen gas and ice
sometimes come very close to Earth
only orbit the sun
Asteroids sometimes come very close to Earth and take millions of years to orbit the sun. Thus, the correct options are B and D.
What are Asteroids?Asteroids may be defined as nominal planets which can neither be classified either as a planet or as a comet that orbit the sun as well as planets.
An asteroid is a name we allocate to the enormous number of small bodies that orbit the sun, here in the internal solar system. These small bodies orbit planets as well as the sun and take a significant time in orbiting.
Therefore, the correct options are B and D.
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What does the light red layer between the white lumen and blue lamina propria consist of?
The light red layer between the white lumen and blue lamina propria consist of epithelium cells.
What is a lamina propria?
A lamina propria is a type of connective tissue that is present and found under the thin layer of tissues covering a mucous membrane.
Characteristics of the lamina propriaIt is a very large layer of connective tissueIt divides the innermost layer from a layer of smooth muscle tissue.it is a light red layer barrier located between the white lumen and blue lamina.It is made up of epithelium cells.It is also found in the respiratory tract, the Gastrointestinal tract, and the urogenital tract.Thus, the light red layer between the white lumen and blue lamina propria consist of epithelium cells.
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Explain how an arteriole can reduce the blood flow into capillaries
The arteriole can reduce the blood flow into capillaries because the pressure difference between two ends.
What is the function of arterioles?
Arterioles are final branches of the arterial system. Arterioles regulate the distribution of blood in different capillary beds by vasoconstriction and vasodilation in localized regions, because their walls contain circularly arranged smooth muscle fibers.
So the flow through a blood vessel is entirely determined by the pressure difference between the two ends of the vessel, which is the force pushing blood forward through the vessel, and the obstacle to flow.
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The most powerful fmri tests suggest that the language areas of the cortex are:
The most powerful fmri tests suggest that the language areas of the cortex are patchy, widespread, and variable.
What is a cortex?It should be noted that a cortex is the outer or the superficial part of an organ.
In this case, the most powerful fmri tests suggest that the language areas of the cortex are patchy, widespread, and variable.
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What is pasteurization, and how is it used?
Answer:
pasteurization is when any dairy product has each milk particle heating up above a certain amount. Pasteurization successfully removes any possible bacteria in the milk products effectively preventing Illness
Elephantiasis is caused by _____.
Cnidarians: jellyfish
Platyhelminthes: flat worms
Nemotoda: round worms
Mollusca: mollusks
Annelida: segmented worms
Answer:
Elephantiasis is caused by nematodes (roundworms).
What is elephantiasis?
A chronic filarial disease resulting in lymphatic obstruction, characterized by marked enlargement of the parts affected, especially the legs and scrotum, transmitted by mosquitos.
Elephantiasis is caused by nematodes (round worms). Round worms are any nematode, especially Ascaris lumbricoides, that infests the intestine of humans and other mammals.
Some prevention to take against elephantiasis:
Mosquito nets, insect repellentVoodoo healing techniquesElevate and exercise affected body partSkin treatment
Wash area twice dailyAntibacterial creamCDP
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___________ synthesizes carbohydrates and puts finishing touches on proteins synthesized at
The Golgi complex synthesizes carbohydrates and puts finishing touches on proteins synthesized at rough endoplasmic reticulum.
What is cell organelles?The cell organelles are the membrane bound structures found within the cells which has different specific functions.
Example of cell organelles include:
Golgi complex: These organelles specializes in protein modification and exportation.Endoplasmic reticulum: These organelles are specialized for protein production for export out of the cell.Learn more about cell here:
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Muscles that guard entrances and exits of internal passageways are ________ muscles.
The answer to the given question will be that the muscles that guard the entrances and exits of the internal passage are known as sphincter (circular muscles).
Due to their structure and controllability, skeletal circular muscles differ from their smooth muscle counterparts.The muscularis mucosa, which is mostly found in the stomach, is composed of smooth muscle. The longitudinal layer shortens the tract while the circular muscle layer in the muscularis externa prevents food from moving backward.The human body contains at least 50 or 60 different types of sphincters. Some are quite small, like the many precapillary sphincters that line the circulatory system's blood vessels.Lower esophageal sphincter (LES), pyloric sphincter (PS), ileocecal sphincter (ICS), and internal sphincter are the four different smooth muscle sphincters found in the GI system (IAS).Hence, the answer is that the muscles that guard the entrances and exits of the internal passage are known as sphincter (circular muscles).
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