To activate the myofiber, neurons must pass through the endomysium structure. Skeletal muscle fiber's also require neurotransmitter from neurons in order to be activated.
Axon branches of somatic motor neurons also supply each muscle fibre in skeletal muscles, signaling each fibre to contract. Skeletal muscles cannot function without the nervous system's signaling, unlike cardiac and smooth muscles, which can. Muscle fiber's in the skeleton.
A thin layer of areolar connective tissue called the endomysium, which means "within the muscle," surrounds each individual muscle fibre or muscle cell. It also has nerves and capillaries. The sarcolemma is what lays on top of the cell membrane of the muscle fibre. The tiniest and most deeply seated part of muscle is the endomysium.
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Which of the following responses correctly lists the order of events in a generalized viral replicative cycle?
A) the virus enters the cell, enzymes transcribe the viral genome into mRNA, host enzymes replicate the viral genome
B) enzymes transcribe the viral genome into mRNA, the virus enters the cell, host enzymes replicate the viral genome
C) host enzymes replicate the viral genome, enzymes transcribe the viral genome into mRNA, the virus enters the cell
D) the virus enters the cell, host enzymes replicate the viral genome, enzymes transcribe the viral genome into mRNA
The correct order of events that happens during the generalized viral replicative cycle is the virus enters the cell, enzymes transcribe the viral genome into mRNA, host enzymes replicate the viral genome. Thus, the correct option is A.
What is generalized viral replicative cycle?Viruses does not have the machinery to replicate themselves hence, they require host for replication and division. There are two processes which are used by the viruses to replicate inside the host cell: the lytic cycle and lysogenic cycle. Some viruses can reproduce using the both methods, while others can only use the lytic cycle to reproduce. In the lytic cycle, virus attaches to the host cell and injects its DNA into the host DNA.
The virus replicative cycle could be divided into six steps which include: first, the attachment of virus into the cell, the virus penetrates host cell, uncoating, followed by the transcription of the mRNA of the viral genome i.e., gene expression and then host enzymes replicate the viral genome, assemble, and release the content.
Therefore, the correct option is A.
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Question 4 options:
A Red Blood Cell is place in a beaker in solution. The solution has a higher concentration of solutes than the cell. This is an example of a(n) [Hypotonic/Isotonic/ Hypertonic]
Solution.
If a Red Blood Cell is placed in a beaker in solution, the solution would have a higher concentration of solutes than the cell and this is an example of a hypertonic solution.
What is osmosis?Osmosis simply refers to a process that typically involves the movement of a solvent molecule such as nail polish or water through a selectively or permeable membrane, especially from a region of higher concentration to a region of lower concentration.
What is a hypertonic solution?In Science, a hypertonic solution can bed defined as a type of solution that contains a higher concentration of solutes such as water than the cell.
On the other hand, a hypotonic solution can bed defined as a type of solution that contains a lower concentration of solutes such as water than the cell.
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John has recently been diagnosed with high blood pressure. He also shares many family members
struggle with high blood pressure and he now realizes he needs to change his diet and reduce his
consumption of fast foods and other foods with high sodium content in order to improve his
health. Unfortunately he has not yet developed a plan or made any steps towards the changes he
desires. He is struggling to identify how he can really do this given his busy, work and school
scheduled. What Stage of Change is he in?
Answer:
preparation
Explanation:
please mark brainliest...
Answer: hello THIS IS THE ANSWER :)
Explanation:
It provides information that helps Americans make healthy choices for themselves and their families and discusses evidence-based, community-level interventions, In other words, if your mental health is poor, you may be at greater risk for ... Eating foods with less sodium can reduce your risk of high blood pressure.
1. Do you think earthquakes are causing changes in mountain elevation, or just correlated with the changes?
Answer:
Scientists have shown that earthquakes, not an ancient wetter climate as previously thought, are eroding the mountains in Peru.
Explanation:
Which component of a homeostatic system perceives changes in some parameter of the environment?.
A sensor or receptor in a homeostatic system detects alterations in an environmental parameter.
The act of maintaining a steady internal environment within an organism is described by what term?The upkeep of a constant interior environment is called homeostasis. An organism must maintain certain physical and chemical conditions for its component cells, tissues, organs, and organ systems to function correctly. This condition is known as homeostasis.
What part of the homeostatic control system perceives the environment?At least three interdependent parts make up homeostatic control mechanisms: a receptor, an integrating center, and an effector. Sensing environmental stimuli, the receptor transmits the data to the integrating center.
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Explain how electrolytes in the body are essential to proper body function. What is a common electrolyte used by athletes and why is it used?.
The major electrolytes used by athletes are magnesium, sodium, calcium and potassium and they use it to sustain the body water level.
What are electrolytes and what electrolytes are used by athletes and why they use it?Electrolytes are the ions or the substances that are needed by the body to maintain the water level and blood level.There are various electrolytes found in blood like K+ a major component of the blood.So electrolytes are usually taken by athletes and the major of the electrolytes taken by them are magnesium, calcium and potassium.Athletes use electrolytes to make sure that the body water level does not drop below comfort level.So to sustain the water level they usually take electrolytes and also to maintain various hormone levels.To increase the cardiovascular activity also electrolytes are helpful for the athletes.To know more about electrolytes visit:
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This information, along with the discovery that rocks along the mid-Atlantic ridge were younger, was evidence for which of the following activities?
nswer
A
Seismic activity
B
Seafloor spreading
C
Gravitational pull
D
Volcanic activity
This information, along with the discovery that rocks along the mid-Atlantic ridge were younger, was evidence for Seafloor spreading.
What is seafloor spreading?
Seafloor spreading is the hypothesis that the ocean's crust develops along the mid-ocean ridge system's undersea mountain zones and spreads out laterally away from them. The theory of plate tectonics, which revolutionised geologic thought throughout the final quarter of the 20th century, was developed in large part as a result of this concept.
When the seafloor spreads, tectonic plates, which are huge portions of the Earth's lithosphere, split apart from one another. Seafloor spreading and other tectonic activity processes are caused by mantle convection. Mantle convection is the term for the mantle's slow, turbulent circulation.
Hence the correct option is B; seafloor spreading.
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What unusually biodiverse island is home to the dragon blood tree, which appears to bleed when cut?.
What unusually biodiverse island is home to the dragon blood tree,Socotra appears to bleed when cut.
A mysterious tree species known as dragon's blood tree has flourished for millennia on Socotra, a secluded island 200 miles off the coast of Yemen that is considered as the jewel of Arabia. The tree is indigenous to only that region and has a distinctive, umbrella-like appearance. The tree appears to shed bloody tears, but in reality, it only emits what is known as dragon blood—a red sap or resin.Socotra appears to bleed when cut Red resin will ooze out of any cuts made in this tree and appear to be bleeding. With an "upturned, densely packed crown having the shape of an uprightly held umbrella," the dragon blood tree has a singular and peculiar appearance. The dark red resin on this evergreen species, known as "dragon's blood," is the reason for its name.
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NEED HELP ASAP WILL MARK. BRAINLIEST
The following graph was constructed using data collected while growing E. coli on a large petri dish with unlimited food and after optimal temperature of 37 Celsius
Answer: See Below
Explanation:
1. E. coli growth is a logarithmic curve. It is characterized by a sudden increase in population. This is the point at which the cells are healthiest. The curve then tapers off due to limited amounts of space and food supply.
2. See Attached photo, death phase would occur. Limited nutrients will cause the cells to die off as it is used up.
3. In a larger container the growth curve and shape would remain the same however there would be an overall increase in the number of cells.
4. The bacteria would likely grow very quickly to fill the surrounding space and then growth would slow but be consistently upwards at a constant rate.
Experimental Question: How does the amount of sugar affect the amount of cellular respiration done by yeast?
Independent/Manipulated Variable (the variable we are changing):I
Dependent/Responding Variable (the variable we are measuring):
Controlled Variables (the variables we are keeping the same):
Experimental Control Group (what we know is going to happen that we use for comparison):
Independent variable is the variable that is changed or manipulated in a series of experiments. According to this question, the amount of sugar is the independent variable because it is changed.
Dependent variable is the outcome measured to see the effectiveness of the treatment. According to this question, the amount of respiration undergone by the yeast cell is measured.
Control variable is the variable that is kept constant throughout the experiment. In this experiment, the type of yeast is the constant.
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What is typical of cell reproduction when normal cells are reproduced in a petri dish from a tissue culture? check all that apply.
Only when there is space in the petri dish may cells reproduce (A, B, D). After one layer of cellular reproduction, cells stop.
What happens during mitosis in normal cells grown in tissue culture?Cell division, or mitosis (meiosis in germ cells), is a process that involves a number of dynamic processes and the coordinated interactions of numerous cellular parts. The DNA that has been copied condenses into chromosomes during mitosis and is then joined to what is known as the "mitotic spindle," a complicated structure.
How do your cells multiply when you suffer a paper cut?The explanation is that new cells are created during mitosis whenever we suffer an injury. A parent cell divides into two daughter cells with an equal number of chromosomes during the mitotic phase.
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The you looking for
What is typical of cell reproduction when normal cells are reproduced in a Petri dish from a tissue culture? check all that apply
1.cells reproduce only when there is room in the Petri dish
2.cells reproduce one layer thick and then stop reproducing
3.cells undergo unlimited reproduction by mitosis
4.when a cell dies or is damaged, a new one is created to fill the empty spot
When in a complex with ________, the cap protein binds to the cap site and ________ the expression of the lac operon.
There is a binding site for a protein called the protein degradation activator protein proximal of the transcription (CAP).
The binding of something like the CAP protein bending the DNA as well as facilitates RNA polymerase attachment, which dramatically improves the transcription of both the lac operon.With the help of coupled CAP, RNA polymerase may connect to the lac operon promoter. Whenever lactose has been available, the operator would activate the lac repressor This makes it possible for RNA polymerase to continue transcription of something like the operon on the DNA. Catabolite activator protein (CAP) should indeed connect to cAMP for RNA polymerase to start transcription of either the lac operon.The DNA located 61.5 kb forward of the transcription start point is where the protein degradation gene activator-cyclic AMP combination (CAP) interacts and positively controls the lactose (lac) operon promoter.
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Which of these are the
REACTANTS involved in the
photosynthesis equation?
A: glucose and oxygen
B: carbon dioxide and water
Answer:
B
Explanation:
carbon dioxide + water ---> glucose + oxygen
What is the sequence of the 5’ end of the mrna transcribed from this prokaryotic gene?.
UAGA is the sequence of the 5’ end of the mRNA transcribed from the prokaryotic gene.
mRNA is type of RNA found in cells . These mRNA molecules carry the genetic information that make proteins. They use to transfer the Information from the DNA in the nucleus of the cell to the cytoplasm where the proteins are made.
Important role of mRNA is to carry protein information from DNA info cell nucleus to cell cytoplasm. At this junction protein making machinery makes reads the information from mRNA and translate it into three base Condon that corresponds to the Animo acid in the growing chain.
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In this illustration, the small blue spheres represent water molecules. Sections A and B are divided by a membrane, with section A containing fewer water molecules than section B. In which direction will water molecules move across the membrane? Sections A and B are divided by a membrane, with section A containing fewer water molecules than section B Question 9 options: Water will move from A to B There will be no net movement of water. Water will move from B to A.
Through an osmotic process, water can freely go from a more diluted solution to a less diluted one. It follows its concentration gradient and does not need energy. Option 3 (or C) Water will move from B to A.
What is osmosis?
Osmosis is a simple passive transport process through which water molecules move from one side to the other of the membrane.
Water follows its concentration gradient, so it does not need energy to be transported. Water moves from the most diluted side to the more concentrated one.
When dilutions have different concentrations, there is a difference in the number of water molecules moving from one side to the other.
Solutions reach a dinamic equilibrium when concentrations at each side of the membrane are the same.
In the exposed example, sections A and B are separated by a semi-permeable membrane, and A contains fewer water molecules than B.
Water will move from A to B ⇒ NOThere will be no net movement of water ⇒ NOWater will move from B to A ⇒ YES
Water moves from B to A because in section B there is a greater concentration of water than in A. So water follows its concentration gradient and moves forward to A.
Option 3 is correct.
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I don’t know the answers to this questions
This above picture of punnet square helps you
After the oil spill, marine microbes consumed the oil under the surface but also removed ________ from the water, killing both plants and animals and creating dead zones.
After the oil spill, marine microbes consumed the oil under the surface but also removed oxygen from the water, killing both plants and animals and creating dead zones.
What 3 impacts do oil spills have?Oil spills can endanger marine life, disrupt a day at the beach, and make fish unfit for consumption. Sound science is required to remove the oil, assess the effects of contamination, and aid in the ocean's recovery.
What harm does oil cause to the environment?Oil spills damage the soil and water and can result in disastrous fires and explosions. To limit the possibility of accidents and spills and to clean up spills when they do happen, the federal government and business are creating standards, laws, and procedures.
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What should be done about lion-
fish ownership in hyme & Commercial/
education aquariums?
Lionfish co-promotes the eradication of invasive and invasive lionfish through lionfish hunter education outreach and direct hunting campaigns.
Invasive lionfish are a threat to native fish and the environment in the Atlantic waters of the United States. Invasive species can lead to the extinction of native flora and fauna, reduce biodiversity, compete with native species for limited resources, and alter habitats.
Participating in the Lionfish Derby helps reduce populations in certain areas and dive sites. Ordering something like a lionfish on your menu when you go out for lunch or dinner can also be very helpful as it creates an incentive and economic reason for more divers to catch more of this particular species. Lionfish colonies are edible and considered a delicacy so control methods should include harvesting lionfish colonies.
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question is in photo below!
The answer of the query is the 3 laws of inheritance proposed through Mendel encompass: regulation of Dominance, regulation of Segregation, law of independent collection.
Whilst an organism makes gametes, every gamete gets simply one gene reproduction, which is chosen randomly. that is referred to as the regulation of segregation. A Punnett rectangular can be used to predict genotypes and phenotypes of offspring from genetic crosses.
Mendel's law of unbiased assortment states that the alleles of extraordinary genes get taken care of into gametes independently of each other. In different words, the allele a gamete gets for one gene does not have an effect on the allele obtained for every other gene.
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Which of the following diagnostic procedures would be best to diagnose osteoporosis?
a. a blood test
b. a standard X-ray
c. a DEXA scan
d. a gene-expression test
This is my question.
Answer:
I believe the answer is C. a DEXA scan because medical experts consider DEXA scans to be the most useful, easy, and inexpensive test for helping to diagnose osteoporosis.
Explanation:
The diagnostic procedures that would be best to diagnose osteoporosis is: (c) a DEXA scan.
A DEXA (Dual-energy X-ray absorptiometry) scan is a specialized type of X-ray that measures bone mineral density, providing valuable information about bone health and the risk of osteoporosis. DEXA scans are said to be the gold standard for the diagnosis.
Osteoporosis is a medical condition characterized by a progressive loss of bone density and strength, leading to increased bone fragility and a higher risk of fractures. In osteoporosis, bones become porous and less dense, making them more susceptible to fractures, even with minor falls or injuries. The condition is more common in postmenopausal women due to hormonal changes that occur after menopause.
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What’s the correct answer answer asap for brainlist
Answer:
C is the answer
Explanation:
Scientific laws or laws of science are statements, based on repeated experiments or observations, that describe or predict a range of natural phenomena.
Answer:
C. A statement based on repeated experiments and observation that can predict what will happen.
What’s the correct answer answer asap for brainlist
Answer: the amount of shared DNA between species
Explanation:
Use the following table to answer the question:
Codons Found in Messenger RNA
Second Base
First Base U C A G Third Base
U Phe
Phe
Leu
Leu Ser
Ser
Ser
Ser Tyr
Tyr
Stop
Stop Cys
Cys
Stop
Trp U
C
A
G
C Leu
Leu
Leu
Leu Pro
Pro
Pro
Pro His
His
Gln
Gln Arg
Arg
Arg
Arg U
C
A
G
A Ile
Ile
Ile
Met Thr
Thr
Thr
Thr Asn
Asn
Lys
Lys Ser
Ser
Arg
Arg U
C
A
G
G Val
Val
Val
Val Ala
Ala
Ala
Ala Asp
Asp
Glu
Glu Gly
Gly
Gly
Gly U
C
A
G
This table shows the codons found in messenger RNA. Using this information, what sequence of nucleotides in the template strand of DNA could code for the polypeptide sequence Phe-Ser-Gln?
UUC-UCU-CAA
AAG-AGA-GTT
TTC-TCT-CAA
AAG-AGA-GUU
Option A. UUC - UCU - CAA sequence of nucleotides in the template strand of DNA could code for the polypeptide sequence Phe-Ser-Gln.
Nucleotides are natural molecules together with a nucleoside and a phosphate. They function as monomeric units of the nucleic acid polymers deoxyribonucleic acid and ribonucleic acid, both of which might be vital biomolecules within all existing forms on the planet.
A nucleotide is the primary building block of nucleic acids (RNA and DNA). A nucleotide includes a sugar molecule (either ribose in RNA or deoxyribose in DNA) attached to a phosphate institution and a nitrogen-containing base. The bases utilized in DNA are adenine (A), cytosine (C), guanine (G), and thymine (T).
A nucleotide is an organic molecule with a primary component of a nitrogenous base, pentose sugar, and phosphate. DNA and RNA are polynucleotides, which contain a chain of nucleotide monomers with extraordinary nitrogenous bases. Nucleotides are important for carrying out metabolic and physiological sports.
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A group of cells is assayed for dna content immediately following mitosis and is found to have an average of 12 picograms of dna per nucleus. How many picograms of dna would be found in a nucleus at the end of g1 and the end of g2?.
A nucleus would contain 24 picograms of DNA at the ends of g1 and g2.
What percentage of DNA is present at each stage of mitosis?Presently, each chromosome consists of a connected pair of identical sister chromatids. Sister chromatids split off during mitosis and go to the opposing ends of the dividing cell. With 2 identical cells that each contain 2X DNA and 2N chromosomes, mitosis comes to an end.
Which cell phase contains the most DNA?A cell in the G1 phase has 2N (N is the number of chromosomes), also known as diploid DNA, whereas a cell in the G2 phase has 4N (the number of chromosomes). Depending on the stage of cell replication, a cell's S phase DNA content ranges from 2N to 4N.
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I don’t know how to do this
The normal human cell contains a single pair of chromosome Option B.
This is because in the human evolutionary lineage two monkey chromosomes fused at the telomere to create the human chromosome 2. As a result, he has one less pair of human chromosomes. A gamete is a haploid cell containing 23 chromosomes, each chromosome being one of a pair of chromosomes present in a diploid cell.
The number of chromosomes in one set is denoted as n, also known as the haploid number. An abnormal chromosome 22 containing part of chromosome 9 and a fusion gene is commonly known as the Philadelphia chromosome. Translocations are acquired throughout life and are present only in abnormal blood cells. This type of genetic change, called a somatic mutation, is not inherited.
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After the oil spill, marine microbes consumed the oil under the surface but also removed ________ from the water, killing both plants and animals and creating dead zones.
Microbes consume the oil under the surface but also remove oxygen.
How microbes clean oil spill?Bacteria can break down oil into carbon dioxide and water. However, no single organism can degrade all the components of crude oil and refined fuels that enter the environment. The tens of thousands of different compounds that make up petroleum can only be biodegraded by groups of microorganisms acting in concert.
Pseudomonas putida, also known as oil eater, is a Gram-negative, rod-shaped saprophytic bacterium patented by Ananda Mohan Chakravarti for the bacterium's ability to biodegrade oil.
Many genera of plants, microorganisms and fungi exhibit oil-cleansing properties. Such as Spartina, Haloscarcia, Rhizophora, Nocardioides, Dietzia, and Microbacterium.
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2. Which of the following are organs or organ systems of a rotifer? (Choose all that apply) a digestive tract a respiratory system. a rudimentary nervous system sensory organs
A rudimentary nervous system, a digestive tract, and sensory organs.
Explanation:
I took the test and it was correct. I hope this helps! :)
Rudimentary nervous system, a digestive tract, and sensory organs.
Explanation:
I posted on the wrong account. I hope this helps out a bit! :)
Possible phenotypes
Fast/Red____: Fast/Grey ____ : Slow/Red ____ : Slow/Grey
Answer: Fast/Red : 8, Fast/Grey : 0, Slow/Red : 8, Slow/Grey : 0
Explanation:
Complete a punnet square.
Which of these is believed to be a cognitive process? A. Sociocultural Theory B. Social Learning C. Theory of Psychosocial Development D. Attachment Theory
Perceptions are a cognitive process because we often consciously and unconsciously interpret information gained through our perceptions, forming thoughts, opinions and emotional reactions. For instance, the smell of a particular flower may remind you of a specific person and bring back a pleasant memory.
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One kind of plasmid in bacteria is called an r plasmid. What kinds of genes are typically present on such plasmids?.
genes for antibiotic resistance. Bacteria store genes for heavy metal tolerance on r plasmids.
What are R plasmids, exactly?An extrachromosomal genetic component called plasmids is found in many bacterial strains. These little, spherical DNA molecules replicate independently of the bacterial chromosomes. The main hosts of plasmids are bacteria, Achaea, and other multicellular creatures.
What are plasmids R and F?The fertility element needed for conjugation is present in the F plasmid. The R plasmid contains a gene or factor that confers resistance to antibiotics. There is a fertility factor F. It has a resistance factor, abbreviated R. Through conjugation, it can transmit genetic information and produce sex pilus.
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