The exchange of genetic material that occurs during the development of germ cells is referred to as crossing over. The illustration that best illustrates crossing over is as follows:
The exchange of genetic material that occurs during the development of germ cells is referred to as crossing over. The illustration that best illustrates crossing over is as follows:
The process of genetic material switching during the development of reproductive cells is known as crossing over. The process of crossing over is crucial because it results in distinct combinations and variation in the daughter cells. Between prophase I and metaphase I, the procedure takes place.
Incorrect response causes:
A) The table that is provided shows the cross between two heterozygous genes.
B) The chromosomes are oriented at the equator plate during the metaphase of cell division, which is represented by the image.
D) The displayed graphic depicts DNA replication.
Consequently, the transition takes place during meiosis.
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atp is considered a high-energy molecule. when atp undergoes hydrolysis to adp, how much energy is produced?
One ATP molecule hydrolyzes to release 7.3 kcal/mol of energy (energy release rate G = 7.3 kcal/mol).
An example of hydrolysisA hydrolysis process involves the dissolution of a salt of a weak acid or base in water. You can hydrolyze even strong acids. Hydronium and bisulfate are produced, for instance, when sulfuric acid is dissolved in water.
The removal of water during hydrolysisWater is added during hydrolysis, which destroys polymer bonds. On the other hand, dehydration synthesis, which builds up the monomers into a polymer, is also a possibility. Dehydration synthesis is the process of removing water from compounds that bind monomers together to create polymers.
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what kind of instructions does each specialized cell in an animal's body use?
A. the entire set of instructions on a complete copy of DNA
B. the set of instructions from every gene in a every chromosome
C. a subset of instructions on a complete copy of DNA
D. a set of instructions on incomplete chromosomes
Answer: a subset of instructions on a complete copy of DNA
Explanation:
specialized cell in an animal's body uses the entire set of instructions on a complete copy of DNA. option (A) is correct
what are specialized cells?Specialized cells are those created specifically to perform a specific function in the body, such as red blood cells that are made to transport oxygen. In accordance with the exact task you require them to perform, nerve cells assist in either the contraction or the relaxation of muscles.
what is DNA?Deoxyribonucleic acid is a polymer made of two polynucleotide chains that form a double helix around one another. All known living things, including many viruses, have genetic material in their polymers that direct how they should function, grow, and reproduce. Nucleic acids include ribonucleic acid and DNA.
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Most of the energy released in citric acid cycle reactions is conserved in ________.
Most of the energy released in citric acid cycle reactions is conserved in NADH.
Tricarboxylic acid (TCA) cycle or Krebs cycle, is the main source of energy for cells and most important part in aerobic respiration. The cycle converts the available chemical energy of acetyl coenzyme A (acetyl CoA) into the reducing power of nicotinamide adenine dinucleotide or NADH.
Citric acid cycle also captures the energy stored in the chemical bonds of acetyl CoA in a step-by-step process, that traps them from an high-energy intermediate molecules.
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Karyotypes can be studied to determine an organism’s chromosomal makeup and to detect genetic defects. Turner syndrome occurs when a female has an incomplete set of sex chromosomes. Symptoms of Turner syndrome include swollen hands and feet, short stature, and infertility. Which type of chromosomal mutation is responsible for causing Turner syndrome?
polyploidy
tetraploidy
aneuploidy
trisomy
Turner Syndrome is Aneuploidy of the X chromosome. Someone who has Turner syndrome only has one X chromosome (in their 23rd pair) instead of 2.
what are examples of types of chemical markers associated with dna that determines when, where and by how much genes are expressed in each cell?
The type of chemical marker associated with DNA is Epigenetic.
Epigenetics is the study of how changes in your environment and behavior can have an impact on how your genes function. While epigenetic changes can alter how your body interprets a DNA sequence, they are reversible and do not alter your DNA sequence as genetic changes do.
The field of epigenetics is concerned with stable phenotypic changes that do not result from changes in the DNA sequence. Epigenetics, which derives its name from the Greek prefix epi-, refers to traits that are "on top of" or "in addition to" the conventional genetic basis for heredity.
Individual differences in physiology, cognition, behavior, and appearance—collectively known as phenotypes—are produced by epigenetic processes.
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How does cholesterol help stabilize the plasma membrane in hot and cold temperatures.
Cholesterol is bidirectional regulator of membrane fluidity so at high temperatures it stabilizes the membrane and raises its melting point, in low temperatures it intercalates between the phospholipids and prevents them from clustering together .
Cholesterol has tetracyclic ring structure and also is trans conformation, that renders the molecule with rigid characteristics that increases membrane packing and contributes to the integrity and rigidity of cell membranes.
Hence, at low temperatures, cholesterol increases membrane fluidity by preventing membrane lipids from interacting close together. At high temperatures, cholesterol decreases membrane fluidity.
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8. Mr. Krabbs and his wife recently had a Lil' a Krabby, but it has not been a happy occasion for them. Mrs.
Krabbs has been upset since she first saw her new baby who had short eyeballs.
She claims that the hospital
goofed and mixed up her baby with someone else's baby. Mr. Krabbs is homozygous for his tall eyeballs, while
his wife is heterozygous for her tall eyeballs. Some members of her family have short eyes, which is the
recessive trait.
Create a Punnett square using T for the dominant gene and t for the recessive one.
A. List the possible genotypes and phenotypes for their children.
B. Did the hospital make a mistake? Explain your answer
(1) TT- 2 Tt-2 Tt-0 (2) Yes, as demonstrated by the Punnett Square, which indicates that it is impossible for them to conceive a baby with the short eyes trait. The shortened eyes trait (tt) is recessive.
What exactly is a Punnett square?
Predicting the changes and probabilities that can result from cross breeding is made easier with the use of a Punnett Square. This includes foreseeing the mating of different kinds of plants, animals, and even people. A Punnett square illustration for pea plants. Here, the flower colour gene is heterozygous for both parents (Pp).
Homozygous recessive (pp), homozygous dominant (PP), and heterozygous genotypes are the many varieties of genotypes (Pp).
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Hi!
What are the pros and cons of mitochondria keeping DNA in both the nucleus and in the cell itself?
This one is confusing. Thx!
There are so many pros and cons of mitochondria keeping DNA in both the nucleus and in the cell itself.
What is DNA?Deoxyribonucleic acid is the polymer composed of two by polynucleotide chains and that id coil around to each other to form a double by helix. The polymer and carries genetic instructions for the development, functioning, growth and reproduction of all known by organisms and many viruses. DNA and ribonucleic acid are nucleic acids.
Keeping those genes locally and internationally recognized in the mitochondria gives the cell a way to individually and as a control mitochondria," Johnston says, because pivotal proteins are created by the way in the mitochondria themselves.
Whereas the disadvantage of the is
The major disadvantage of the using mtDNA is the lower discrimination power by the compared to multiple nuclear DNA markers. In contrast to the nuclear of the genome, due to the uniparental (maternal) mode of inheritance, no individual has unique mtDNA
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how would you expect the rate of speciation of an allopatric case to compare to the rate of speciation of a sympatric case involving formation of allopolyploid offspring?
The rate of speciation of an allopatric case would occur at a much slower rate compare to the rate of speciation of a sympatric case involving formation of allopolyploid offspring.
Allopatric speciation occurs when groups of ancestral populations split into distinct species over time due to periods of geographical isolation. In sympatric speciation, populations of the same ancestral population split into different species until they are physically isolated from each other, making interbreeding impossible. Due to allopatric speciation, the emergence of new species takes a very long time.
Therefore, if a given sympatric species pairing rate is too high to be explained by possible combinations of allopatric and secondary Site speciation is preferred.
As such, sympatric velocities are 2 to 5 times faster than ectopic velocities, and are among the fastest for allotropic-symtopic pairs of species. Variances are expected even within these proportions, as species matings may differ with respect to specific evolutionary processes, population sizes, and genetic diversity of RI.
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a bomb calorimeter can provide a close approximation for the amount of energy that will be produced by the body through the process of metabolism.
The amount of energy the body produces during metabolic processes can be roughly estimated using a bomb calorimeter. The heat energy released when food burns.
Why is oxygen used in bomb calorimeters?High pressure oxygen is required to completely combust the sample in the bomber. Oxygen aids the combustion of the sample and ensures that the sample is completely combusted for accurate final results.
Why is it called a bomb calorimeter?A bomb calorimeter consists of a sturdy steel container (called a bomb) that can withstand the high pressures at which the material inside burns. Therefore, it is called a bomb calorimeter.
What is the difference between a normal calorimeter and a bomb calorimeter?A bomb calorimeter works just like a coffee cup calorimeter, with one big difference. In a coffee cup calorimeter the reaction takes place in water. In a bomb calorimeter, the reaction takes place inside a bomb jar, which is a closed metal container. A bomb calorimeter can provide an accurate approximation of the amount of energy your body produces through metabolic processes.
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The map was made using data collected by satellite image equipment 
Which two statements best describe the sea surface temperature shown in the map
A. Region 4 is warmer than region 3
B. Region 1 is colder than region 2
C. region 3 is warmer than region 1
D. Region 2 is colder than region 4
Region 1 is colder than region 2 and region 3 is warmer than region 1 are the two statements best describe the sea surface temperature shown in the map.
The region 1 is north pole and region 4 is south pole , and both this regions are colder than the rest regions shown in map.The North Pole experiences yearly average temperatures of 32 F (0 C) in the summer and minus 40 F (-40 C) in the winter. The average temperatures in the South Pole, in contrast, are much colder, averaging minus 76 F (minus 60 C) in the winter and minus 18 F (minus 28.2 C) in the summer.The fact that the South Pole is perched on a massive ice sheet that is itself situated on a continent is what makes it so much colder than the North Pole. More than 9,000 feet, or more than a mile and a half above sea level, is the elevation of the ice sheet's surface at the South Pole.For more information on north and south pole kindly visit to
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What is the name of the scientist that developed the classification system we use today?.
The name of the scientist that developed the classification system we use today is Carl Linnaeus.
Carl Linnaeus is called the "father of modern taxonomy". He gave the binomial nomenclature system. Apart from it, he also classified all the organisms bases on their similarities and dissimilarities into various categories.
Classification system is the categorization of organisms into various groups on the basis of their similarities and dissimilarities. The widely used classification system was given by Carl Linnaeus. He divided all the living organisms into 7 hierarchical groups. These are: Kingdom, Phylum/Division, Class, Order, Family, Genus, and Species. Kingdom is the largest and Species is the smallest of all.
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If a solid line represents a covalent bond and a dotted line represents an intermolecular interaction, which choice shows a hydrogen bond?.
The sole hydrogen bond would be H3N—H-O-H since hydrogen bonds only happen when H is connected to N, O, or F. H is bound to O in H-O-H and to N in H3N in. Hydrogen bonding is therefore possible.
What distinguishes intramolecular and intermolecular hydrogen bonds?The main distinction between intramolecular and intermolecular hydrogen bonding is that intramolecular hydrogen bonding takes place within the molecule itself, whereas intermolecular hydrogen bonding occurs between two nearby molecules.
Are there covalent bonds in solid lines?Two hydrogen atoms that have one electron in each of their 1 s orbitals combine to form a hydrogen molecule. In the covalent bond, the two hydrogen atoms are drawn to the same pair of electrons. Either a solid line or a pair of "dots" are used to symbolize the link.
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Which shell adaptation did you choose for part two and why discuss the results and the effectiveness of the adaptation.
You'll need to choose one first, but the detachable variety keeps the snail attached to the ground or other shockproof items, while a thicker strategy shields it from predators that could try to damage it.
How would you define adaptations?The process of adapting involves modifying something or your behavior to suit a new environment or goal. When forced to, the majority of living things are able to adapt. Synonyms include familiarization, habituation, naturalization, and acclimatization. More alternatives to adaption.
What does evolution mean by adaptation?The process of evolution whereby an organism improves its capacity to survive in its area or habitats is known as adaptation. The degree which an organism can survive and procreate in a specific range of environments is known as its adaptation, or level of "adaptedness."
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Organisms that are closely related, but not direct members of the group being studied.
After 50 generations, the allele representing dark blue hair color approaches a fitness value of zero. The alternative trait, a hair color of light-sky blue, gets closer to a value of one. What can be stated of the fitness level for this gene that codes for hair color?
The following foot positions cause an S-I glide of the Tibiofibular joint with the supplementary anterior glide is inversion.
What is tibialis anterior muscle?The tibialis anterior muscle is found on the lateral surface of the shinbone of the leg. This bone arises from the upper lateral surface of the shinbone and the lateral condyle of the shinbone. It inserts into the first metatarsal bone and medial cuneiform of the foot.
The actions of tibialis anterior muscle include dorsiflexion and inversion of the foot. This bone arises from the upper lateral surface of the shinbone and the lateral condyle of the shinbone. It inserts into the first metatarsal bone and medial cuneiform of the foot.
Therefore,The following foot positions cause an S-I glide of the Tibiofibular joint with the supplementary anterior glide is inversion.
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Imagine a transmembrane molecule that lies in the plasma membrane and acts as a receptor for an extracellular signaling molecule. When the ligand-binding domain is inserted into the er during synthesis of this transmembrane molecule, will it lie on the lumen side of the er or the cytoplasm side?.
The ligand binding domain will be present in the lumen of ER.
The ER lumen will contain the ligand-binding domain, which will also travel through the Golgi in the same direction. The fusion protein-containing vesicle will leave the trans Golgi network in the last stage of transport and fuse with the plasma membrane, exposing the vesicle lumen to the outside of the cell. Additionally, given that glycosylation occurs in the ER and Golgi lumen, any oligosaccharide subunits that may have been added to the protein will be found on its extracellular domain.
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find the relation between the cramer-rao lower bound of the joint detection and that of each individual-channel detection
The combined detection's Cramer-Rao lower bound, 2joint, and each individual-channel detection's, 2i.
What is the purpose of Cramer-Rao lower bound?For a set of deterministic parameters, the estimate variances are limited by the Cramer-Rao lower bound (CRLB). We look at the CRLB as a practical indicator to assess our SBP algorithm's effectiveness and to immediately compare the highest resolution while looking into new detector designs.
What is the lower bound's formula?To determine a rounded number's upper and lower bounds: Determine the place value of the claimed level of accuracy. By two, multiply this place value. To determine the upper bound, multiply this amount by the given value.
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11.4.3 sketch the experimental setup with labels
Setup for an experiment you explain the experiment's methodology and a summary of the collected data in this section.
What is an experimental setup?Explain the process used to get the data. The process could be discussed in a separate section if the experiment is complicated.
In science, a control setup is similar to an experimental setup in that it makes use of the same tools and operating procedures, but there are no variables evaluated there. When there are individuals involved in the experiment, a control group may be used as part of the control setup.
Therefore, in setup for an experiment, you explain the experiment's methodology and a summary of the collected data in this section.
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which of these fuels would be the best to burn, if we must continue to burn fuel and why
A) gasoline (petrol)
B) hydrogen
C) wood
D) Coal
Answer:
C
Explanation:
Apparently, wood is regarded as the most ecologically benign fuel, and hence the most generally recommended. However, only dried wood should be used; as smokeless coal fuels will cause substantially less air pollution than ordinary house coal.
Which structure controls the movement of tube feet?
Select one:
a.
skin
b.
collagen
c.
ampulla
d.
sieve plate
Ampulla controls the movement of tube feet.
What do you mean by tube feet?
Tube feet are small active tubular projections on the oral face of an echinoderm, whether the arms of a starfish, or the undersides of sea urchins, sand dollars and sea cucumbers; they are more discreet though present on brittle stars, and have only a feeding function in feather stars.
Tube feet function in locomotion, feeding, and respiration. The tube feet in a starfish are arranged in grooves along the arms. They operate through hydraulic pressure. They are used to pass food to the oral mouth at the center, and can attach to surfaces.
In some species, the tube feet are specialized to form respiratory tube feet that are thin-walled and are extremely flattened to provide a larger surface area for the absorption and exchange of gaseous substances.
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Which laboratory activity involves a chemical change?
leaving a copper penny in vinegar until it turns green
boiling saltwater for several minutes until only solid salt remains
extracting iron filings from a sand mixture using a magnet
crushing a rock with a hammer to extract mineral deposits
Answer: Leaving a copper penny in vinegar until it turns green
Explanation: The copper changes the color making it a chemical change due to the chemical reaction with vinegar or acetic acid.
Answer:
leaving a copper penny in vinegar until it turns green
Explanation:
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Think about the organisms in your neighborhood. What are neighbors referring to when they talk about the dog population or the squirrel population? what do you think a population is based on?.
Population is based on the total number of individuals of a particular species living in a place.
Population What our neighbors refer to when talking about the dog or squirrel population in a town indirectly refers to the total number of dogs or squirrels in the town. There is a herd, and a species refers to a collection of organisms that can interbreed and produce fertile offspring. Dogs can only mate with dogs and squirrels with squirrels, so each forms its own population within the community. The population is likely to be increasing. Grey squirrels are the widely distributed throughout the England and the Wales and are edging their way into the Scotland and the Northern Ireland.
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What is the salinity of normal sea water? *
A. about 35 parts per thousand
B. about 40-45 parts per thousand
C. about 17 degrees Celcius
D. about 1.025 grams/ml
Answer:
Option (B)
Explanation:
Seawater, or salt water, is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of about 3.5% (35 g/l, 35 ppt, 600 mM). This means that every kilogram (roughly one liter by volume) of seawater has approximately 35 grams (1.2 oz) of dissolved salts (predominantly sodium (Na+
true or false food chains are the best way to model the many feeding relationships in nature explain
walk someone else through the carbon cycle. be sure to be able to verbally describe each step and potentially be able to sketch each step. why are photosynthesis
Carbon cycle describes the process in which carbon atoms travel from atmosphere to the Earth and then back into the atmosphere.
What is carbon cycle?Carbon in the atmosphere is absorbed by plants for photosynthesis and these plants are then consumed by animals and carbon gets bioaccumulated into their bodies. These animals and plants eventually die and carbon is released back into the atmosphere, on decomposing.
Steps of the carbon cycle are:
First carbon enters the atmosphere as CO2.Then, CO2 is absorbed by autotrophs such as green plants.Animals consume plants, thus, incorporating carbon into system.When animals and plants die, their bodies decompose and carbon is reabsorbed back into atmosphere.To know more about carbon cycle, refer
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neurons that carry signals from the CNS to skeletal muscle for contraction would be classified as what type of neuron?
Neurons that carry signals from the CNS to skeletal muscle for contraction would be classified as an efferent neuron.
What is Neuron?This is referred to as the structural and functional unit of the brain and nervous system and it is involved in the collection of sensory inputs from the environment and ensuring that the signals are relayed to the brain.
Efferent is also referred to as motor neuron and they are the nerve fibers responsible for carrying signals from the brain to the peripheral nervous system for an action to take place which involves the contraction of the skeletal muscles.
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Describe what matter and energy cycling is, and why they are important for the Earth as a system and for living things.
The term matter and energy cycling is seen as Ecosystem processes preserve materials and energy. Energy changes forms as it flows through an ecosystem, but no new energy is produced. Similar to how matter cycles throughout an environment, no new matter is created as atoms are rearranged into other molecules.
The reason why matter and energy cycling are important for the Earth as a system and for living things.
The sun provides the majority of the energy required to cycle matter through the systems of the world. the material cycle. Nutrients must be recycled in order to secure the survival of living things because there are only finite amounts of them available on the planet.Can energy and matter be cycled?Energy and matter are both conserved within natural processes. It follows that while energy and matter can adopt many forms, they cannot be generated or extinguished. Different types of matter and energy can interact, and energy and matter frequently cycle within a system.
Energy changes forms as it flows through an ecosystem, but no new energy is produced. Similar to how matter cycles throughout an environment, no new matter is created as atoms are rearranged into other molecules. As a result, energy and matter are preserved throughout all ecosystem processes.
Therefore, These cycles are powered by energy from the sun and the heat of the Earth. In these cycles, the matter moves between reservoirs where it is temporarily held. Bonds are broken and atoms are rearranged into new molecules as matter cycles.
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california has a unique geography and a diversity of ecosystems that supports a wide range of endemic plant life. for this reason, california is what?
Answer:
A biodiversity hotspot :)
Explanation:
California has a unique geography and a diversity of ecosystems that supports a wide range of endemic plant life. for this reason, california is biodiversity hot spot.
Why does California have so many species?California is the most populous state in the country and has the most variety of species and habitats of any state in the union. Although it is a hotspot for biodiversity worldwide, it is also losing biodiversity at one of the fastest rates. All Californians must take immediate action to buck this trend.California Biodiversity Day, an annual event started last year to honour the state's extraordinary biodiversity and urge efforts to maintain it, was first officially observed on September 7, 2019.As part of a biodiversity open house on September 7-8, 2019, California Natural Resources Secretary Wade Crowfoot urged all Californians to come outside and enjoy nature, including state parks, wildlife regions, and ecological reserves.
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Scientific research has led to the discovery of many types of bacteria and viruses that cause human diseases.
Which statement best describes the impact of this scientific research?
Answer: D
Explanation: I have my ways ;>