The statement 'if a follicle does not reach maturity during one ovarian cycle, it can finish maturing during the next cycle' is False.
What is a follicle?A follicle is a multicellular structure located in the ovaries that is able to release reproductive hormones during menstruation.
The ovarium follicle is fundamental during the menstrual cycle rate of a woman.
In conclusion, if a follicle does not mature during the ovarian cycle, then it won't continue the process during the next cycle and will become a structure known as corpus luteum.
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What evidence was discovered by British researchers in the 1960's to support Wegener's theory of Continental Drift?
A. The spinning of the liquid metal outer core of Earth.
B. Semi-liquid iron and silicon in the mantle layer.
C. Mid-ocean ridges with symmetrical magnetic variations that indicates seafloor spreading.
D. Seismic waves measured on the Richter scale.
The Mid-ocean ridges with symmetrical magnetic variations that indicate seafloor spreading supports Wegener's theory of Continental Drift (Option C).
What is seafloor spreading?The seafloor spreading is a geological phenomenon when tectonic plates separate at divergent boundaries in the ocean.
This natural phenomenon (seafloor spreading) was used as evidence of Wegener's theory of Continental Drift.
In conclusion, the Mid-ocean ridges with symmetrical magnetic variations that indicate seafloor spreading supports Wegener's theory of Continental Drift.
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If the synthesis of antiviral proteins begins after exposure of the host cell to interferons, what kind of genes are the antiviral protein genes likely to be
Answer:
The kind of antiviral proteins genes that are like to be are the induced ones.
Explanation:
An inducible gene is a gene that is expressed in the presence of a substance (an inducer) in the environment. This substance can control the expression of one or more genes (structural genes) involved in the metabolism of that substance.
When the cell is being exposed to interferon then only it starts synthesizing or producing antiviral protein. It means that the gene (antiviral protein synthesizing ) is induciblle. In other words the gene will start only expression (induced) when it will detect some signal (interferon). So, if there will be no signal (interferon) then the gene will not express. Inducible genes respond to environmental signals of to different growth stages.
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How could we make a pegasus anatomically possible?
A pegasus can be anatomically possible through the addition of features such as wings to a horse.
What is Anatomy?This is referred ti a branch of science which studies the body structures of organisms in the environment.
A pegasus is a winged horse which is why the addition of wings will make it anatomically possible.
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A food web. fox consumes shrew, mouse, and rabbit. shrew consumes grasshopper. mouse consumes grasshopper and grass. grasshopper consumes grass. rabbit consumes grass. snake consumes mouse. what would happen to the population of mice if grasses were lost to a forest fire? it would increase because there would be new plant growth. it would decrease because grass is the mice’s main source of food. it would not change because the mice have several other sources of food.
Answer:
they would decrease
Explanation:
as grasshoppers (there food source) would die out through lack of grass. so without there food source the pop. of mice would decrease
Answer:
It would decrease because grass is the mice’s main source of food.
Explanation:
If the optic nerve of a frog is cut and the eye is rotated 180 degrees, the frog will _______ that eye a few months later.
If the optic nerve of a frog is cut and the eye is rotated 180 degrees, the frog will have inverted vision with that eye a few months later.
The Chemoaffinity hypothesis was proposed by Roger Wolcott Sperry, and it states that the chemical signals produced by target-matching cells are differentially recognized by axons. In this manner, neurons only connect to particular cells or cell types.
Sperry concluded this hypothesis based on his experiments on the visual system of frogs. He cut the connection between the eye and optic nerve and rotated the eye 180 degrees before re-implanting it.
After a few months, it was found that the functional synapse was re-established by the regeneration of axons that were cut. He concluded that this was possible because of the neural specificity or chemical affinity between the retinal ganglionic cells and the tectum. The regeneration of the optic nerve restored the vision of that eye but it became inverted due to the rotation of the eye.
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3. Which of the following are abiotic factors that make up the climate of a terrestrial biome? (Choose all that apply)
temperature
sediments
moisture
sunlight
Temperature, moisture and sunlight are abiotic factors that make up the climate of a terrestrial biome.
What are abiotic factors?Abiotic factors are environmental conditions that form the ecosystem together biotic (life) factors.
Abiotic factors are variable according to the type of biome and they are fundamental to sustaining life.
In conclusion, temperature, moisture and sunlight are abiotic factors of a terrestrial biome.
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In some eukaryotic cells, cilia and flagella are motile cellular appendages that aid the cell in __________.
for why neiterkob is called the beginner of the earth
Answer:
Explanation:
Now, the rest of the tribe calls my father the "Beginner of the Earth" because he mediates between Enkai and our tribe, just as he did when the cattle returned from the sky.
Represents a single pathway through which energy and matter flow _____ 2. feeding positions in a food chain or web _____ 3. the living aspects of the environment _____ 4. the role of a species in its ecosystem _____ 5. consumes the soft tissues of dead animals _____ 6. the physical environment in which a species lives _____ 7. represents multiple pathways through which energy and matter flow _____ 8. states that two different species cannot occupy the same niche in the same place for very long _____ 9. the nonliving aspects of the environment _____ 10. the study of how living things interact wit
answer pls 100 points
Answer:
Hydroxyl: -OH, alcohol
Carboxyl: -COOH, carboxylic acid
Amino: -NH₂, amine
Phosphate: -PO₄, phosphate group*
Carbonyl: -CO, aldehyde or ketone
Sulfhydryl: -SH, thiol
*I have no idea what class of compound this would be. they are normally just referred to as phosphate groups.
**note that all of these groups are attached to a carbon
Answer:
This isn't a hundred points
Explanation:
What would the concentration of albumin be if the total protein value was 8.5 g/dL and the densitometer measured the albumin fraction as 55% of the total
Concentration of albumin = 4.675
How to calculate the concentration of albumin?
Multiple the amount of albumin in each of our tubes by 1,000 ug/mg to get the number of micrograms present. 0.1 mg/ml multiplied by 1000 ug/mg results in 100 ug/ml (the mg cancel out).
Given:
Total protein value = 8.5 g/dL
The densitometer measured the albumin fraction = 55%
Concentration of albumin =?
Formula:
Concentration of albumin = Total protein value x The densitometer measured the albumin fraction
Explanation:
Concentration of albumin = 8.5 g/dL * 55/100
= 8.5 x 0.55
= 4.675
So, The concentration of albumin is 4.675.
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By definition, if the DNA of a cell undergoes a spontaneous mutation, is was NOT due to _________. Multiple Choice errors in DNA replication insertion of transposons exposure to radiation spontaneous depurination of nucleotides
By definition, if the DNA of a cell undergoes a spontaneous mutation, is not due to exposure to radiation.
Spontaneous mutations are derived from various sources, which include mistakes made all through the replication of undamaged template DNA, mutagenic nucleotide substrates, and endogenous DNA lesions.
Spontaneous mutation, also referred to as background mutation can be defined as genetic modifications that arise inside the absence of mutagens and haven't any recognized reason.
It is able to result from sports of a normal cellular, including mistakes or errors during DNA replication.
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which of the following is an example of succession
Answer:
An example of succession in that After a disaster, small plants begin to grow in the affected area and are then replaced by larger plants. That is option D.
What is succession?
Succession is defined as the colonization of a disaster affected land by a new species.
For example, when small plants begin to grow in the affected area and are then replaced by larger plants.
Therefore, an example of succession in that After a disaster, small plants begin to grow in the affected area and are then replaced by larger plants.
A given organism has 46 chromosomes in its karyotype. Therefore, we can conclude that it must _____. A. be human B. be an animal C. reproduce sexually D. have gametes with 23 chromosomes
condition wherein the sperm of the male is weak, malformed, or is unable to join an egg cell is known as
The condition wherein the sperm of the male is weak, malformed, or is unable to join an egg cell is known as Asthenezoospermia.
What is Asthenoteratozoospermia?Asthenozoospermia or asthenospermia is the male condition that refers to sperm motility. In this sense, it is the situation in which the male reproductive cells do not have enough motility to reach the egg in the female body.
In this case, is called Asthenezoospermia the condition wherein the sperm of the male is weak, malformed, or is unable to join an egg cell.
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You have collected data on the observed genotype frequencies of the next generation. they are 60% ff, 30% ff, and 10% ff.
Yes, because the ratio of alleles is not following the Mendelian ratio.
According to Mendelian genetics, if there is a gene F at any locus then the possible phenotypes it can produce will be Ff, ff, and Ff in the ratio of 1:2:1, respectively. Out of all three FF and ff will be homozygous whereas Xx genotype will be heterozygous and if the phenotype of Ff resembles that of FF then it will be confirmed that F is dominant over f.
According to the given condition, the dominant trait (F) is increasing in the population and the recessive one is reducing. Thus, individuals with FF will be highest (60%), followed by Ff (30%). ff proportion in the population is lowest (10%). This makes the ratio as 6:3:1 which proves the evolution of the population with a high percentage of the dominant allele.
Note: The given question is incomplete but your expected question probably be like this, “Expected question: You have collected data on the observed genotype frequencies of the next generation. they are 60% FF, 30% Ff, and 10% ff. Based on these observations and your expectations, is this trait currently evolving in this population? Why or why not?”
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Biological membranes in cells are typically composed of 2 layers of phospholipids. Group of answer choices True False
Given statement: Biological membranes in cells are typically composed of 2 layers of phospholipids. This statement is absolutely true.
The biological membranes in cells are generally known as plasma membranes which consist of two layers of lipids, proteins, and carbohydrates. The exterior portion of the plasma membrane is a hydrophilic, polar head whereas the interior portion consists of a hydrophobic, non-polar tail.
Some proteins are attached to the surface of the membrane [peripheral proteins] whereas some proteins are found embedded in it [integral proteins]. Carbohydrates are found to be attached to the lipids or proteins on the extracellular side of the membrane, leading to the formation of glycolipids and glycoproteins.
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In this topic, you learned about the immune response and how vaccines are used to build immunity against certain diseases. You will further your understanding of vaccinations by creating an infographic illustrating how they work. An infographic (Information Graphic) is a visual representation of data or information that is intended to explain complex concepts quickly and clearly. Your infographic should include relevant icons, pictures, charts, and/or graphs with text-based information that communicates how vaccines work to build immunity against certain diseases. Visit the Center for Disease Control and Prevention (CDC) Global Health - Infographics resource library to view a variety of infographic examples
Vaccines are fundamental in preventing and avoiding the spreading of diseases by boosting the immune system against pathogenic microorganisms and viruses.
What is a vaccine?A vaccine is any formulation administered to the body with the aim of boosting the immune system again infections.
Vaccines may consist of nucleic acids (DNA or RNA) or proteins present in the pathogen in order to create immunologic memory by means of antibodies.
These antibodies are able to bind antigens in the pathogens and thus trigger a concomitant immune response.
In conclusion, vaccines can prevent diseases by boosting the immune system.
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how does nephron help in regulating fluid and electrolyte balance
68. potential
69. biodegradable
70. primary standards
71. inversion
72. criteria pollutant
73. pesticides
74. kinetic
A. energy in action
B. common pollutants regulated by EPA
C. chemical that kills unwanted animals; generally insects
D. protect health
E. warm air is trapped near the ground by cooler air
AB. stored energy
AC. capable of being broken down naturally
The matching given the accurate description of the terms is given below:
Energy in action ---> Kinetic energycommon pollutants regulated by EPA ----> criteria pollutantchemical that kills unwanted animals; generally insects ---> pesticidesprotect health --> primary standardswarm air is trapped near the ground by cooler air ---> inversionstored energy ---> potential energycapable of being broken down naturally ----> biodegradableWhat is the correct matching of the given terms?The given terms are to be matched to the correct descriptions.
The correct matches are given below:
Energy in action ---> Kinetic energycommon pollutants regulated by EPA ----> criteria pollutantchemical that kills unwanted animals; generally insects ---> pesticidesprotect health --> primary standardswarm air is trapped near the ground by cooler air ---> temperature inversionstored energy ---> potential energycapable of being broken down naturally ----> biodegradableIn conclusion, the correct matches gives the accurate description of the given terms.
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Which represents a strand of RNA bases?
The sequences that represent strands of RNA bases are those containing Uracil.
What is RNA?Ribonucleic acid (RNA) is a nucleic acid molecule composed of only one strand and it is the product of the transcription of DNA.
The nucleotide RNA nitrogen bases include Adenine, Guanine, Cytosine and Uracil (instead of Thymine as observed in DNA).
In conclusion, the sequences that represent strands of RNA bases are those containing Uracil.
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Answer: CAAGG U C U C or the third choice
Explanation: In an RNA strand, the bases would be Thymine, Uracil, Guanine and Cytosine
11 A housewife noticed that cucumber slices become soft when immersed in salt solution. Which process causes the softening of the cucumber slices?
A Water diffuses into the cucumber slices by osmosis
B Water diffuses out from the cucumber slices by osmosis
C Salt moves into the cucumber slices by active transport
D Salt moves out from the cucumber slices by active transport
Answer:
A
Explanation:
Water flows from area of low solute concentration (aka hypotonic solution) to an area of high solute concentration (aka hypertonic solution).
Prozac blocks this process of taking serotonin back into the releasing neuron:
action potential
O reuptake
Oreception
O neurotransmission
The two primary jobs of parenchyma cells are _____. flexibility photosynthesis support transport food storage
The two primary jobs of parenchyma cells are food storage and transport.
Parenchyma cells are cells that are living. These cells also have really thin-walls and a structure that is unspecialized. These cells can therefore perform a variety of functions. Parenchyma cells are present throughout a plant. These are present in the form of tissues which are homogenous. Parenchyma cells are present in both the stem and roots. This is the primary reason these cells are involved with the assimilation of nutrients and food. These cells are also present in the flesh of fruits and in seeds, and in the mesophyll of leaves which is why these cells can store food.
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Which of the following is NOT impacted due to mutations outside the coding sequence?
A. Beta-globin gene
B. Promoter or enhancer
C. Sequence Termination signals
D. Ribosome binding sites
Noncoding sequences do not code for amino acids and proteins. The Beta-globin gene is not impacted by the mutations in the non-coding sequence. Thus, option A is correct.
What are non-coding sequences?
Non-coding sequences or regions are the components of the organisms' genetic material that does not encode proteins. They are referred to as introns and lacks the production of amino acid.
The promoter or enhancer, Sequence Termination signals, and Ribosome binding sites are the non-coding sequences involved in gene regulation. The Beta-globin gene is coded by the coding sequence or the exons.
Therefore, the Beta-globin gene is not impacted by the mutation in the non-coding region.
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Which of the following events happens after translocation?
A. A region of a chromosome breaks off and rejoins either the other end of the same chromosome or another non-homologous chromosome.
B. A region of a nucleotide rejoins and breaks off in different chromosomes in a non-homologous pair.
C. A region of a nucleotide rejoins and breaks off in different chromosomes in a homologous pair.
D. A region of a chromosome breaks off and rejoins in different chromosomes in a homologous pair.
Answer:
A. A region of chromosome breaks of And joins either end of same chromosome or another of non homologus chromosome.
Francesco redi took twelve jars and placed meat in all of the jars. he left four open, four covered with gauze and four were completely sealed. maggots developed in the open jars but did not develop in the other eight jars. experimental design francesco redi disproved i , the belief that living cells can arise from non-living material. unfortunately, this experiment did not change the scientific minds of his day. in 1859, ii finally disproved this theory with his experiment involving s-shaped flasks.
The theory that Francesco redi sought to disprove by his experiments was the theory of spontaneous generation.
What is the theory of spontaneous generation?The theory of spontaneous generation is the theory that living-things can arise spontaneously from non-living things.
Early scientists believed this theory. The experiments by Francesco Redi sought to disprove this theory.
However, it was only the experiment by Louis Pasteur that finally helped scientists at the time to reject the theory of spontaneous generation.
In conclusion, the experiments by Franceso redi was aimed at disproving the theory of spontaneous generation.
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Who is and who is not recommended to receive a flu vaccine? Why do these recommendations exist?
Why is it important for the CDC to update its flu vaccination recommendations each year?
A yearly flu shot is advised for everyone aged 6 months and older, with rare exceptions. People who are more likely to experience serious flu complications should receive vaccinations.
The following individuals should not receive a flu shot:
It is not recommended for infants under 6 months to receive a flu vaccine.People with severe, life-threatening sensitivities to any component (other than egg proteins) of the flu vaccine shouldn't receive it. Gelatin, antibiotics, and other substances might be included in this. The influenza vaccination should not be administered to anyone who has experienced a severe allergic reaction to it again, and they may also be ineligible to get subsequent doses of the vaccine. The flu vaccines may be modified from one season to the next to protect against the viruses that are anticipated to circulate more during the upcoming flu season due to the fact that flu viruses are continually evolving.Thus, it is necessary for the CDC to update its flu vaccination recommendations.
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A large grassy field had a large number of moles. the first sample pulled out 129 moles. a second sample pulled out a total of 137. seventy two of them had been marked. calculate the estimated population.
The estimated population size for the given question is 246 (approx.).
When it would be impracticable to count each individual in a population, the Mark-Recapture method is utilized to make an estimate of the size of the population. The fundamental strategy entails capturing a small sample size of individuals, applying a non-lethal mark on each of them, and then releasing them back into the general population. After some time has passed, we go after another small group and keep track of how many of them have a mark. When we have a small population, the likelihood of recapturing marked individuals is higher, but when we have a huge population, the likelihood of doing so is lower. The following equation can be used to provide a mathematical expression of this idea:
N = (M*C) / R
N = Number of individuals in the population
M = number of individuals captured and then Marked
C = total number captured the second time
R = the number of individuals that were recaptured (those with a mark)
According to the given question,
M = 129
C = 137
R = 72
N = (129 X 137) / 72
= 246 (approx)
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Which scientist's work with Streptococcus pneumoniae in the late 1920s provided early evidence that DNA was the genetic material of cells
Fred Griffith scientist's work with Streptococcus pneumoniae in the late 1920s provided early evidence that DNA was the genetic material of cells.
Who is Fred Griffith?Frederick Griffith was the first to identify bacterial transformation, in which a bacterium's structure and function change, in 1928 while working to create a pneumonia vaccine. He was researching both virulent and nonvirulent Streptococcus pneumoniae.
What is Fred Griffith experiment?In the pivotal experiment, Frederick Griffith (1928) combined live R and S that had been destroyed by heat; he then injected the mixture into mice; the animals perished. The tissues of the dead mouse contained living, smooth-coated bacteria resembling S.
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