Answer:
Edrophonium is a drug used for the treatment of myasthenia gravis, a long-term neuromuscular disease that leads to varying degrees of skeletal muscle weakness, which results from antibodies that block or destroy nicotinic receptors at the junction between the nerve and muscle. By blocking cholinesterase, an enzyme which demolish acetylcholine, it increases the amount of acetylcholine in the neuromuscular junction improving the muscle weakness
It improves Annie's muscle function as a result of the acetylcholine not
being able to be broken down in the muscles.
Acetylcholine is a neurotransmitter that sends signals to the brain and other
parts of the body in the activation of the skeletal muscles.
The drug known as Edrophonium which blocks cholinesterase breaking
down acetylcholine in the muscles will thereby lead to more presence of
acetylcholine and a corresponding increase in the muscle functions.
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An oceanographer discovered a deep underwater opening as shown in the illustration. The scientist classifies this as a mid-ocean ridge. Is the scientist correct or incorrect and why or why not?
the Oceanic Crust slipping below the Continental Crust.
© 2016, University of Wisconsin Board of Regents
He is incorrect. Mid-ocean ridges are sites of frequent volcanic activity.
He is incorrect. Mid-ocean ridges are sites of divergent oceanic plates.
He is correct. Mid-ocean ridges are flat areas at the foot of continental shelves.
He is correct. Mid-ocean ridges are ancient volcanoes whose tops have eroded away.
A.He is incorrect. Mid-ocean ridges are sites of frequent volcanic activity.
B.He is incorrect. Mid-ocean ridges are sites of divergent oceanic plates.
C.He is correct. Mid-ocean ridges are flat areas at the foot of continental shelves.
D.He is correct. Mid-ocean ridges are ancient volcanoes whose tops have eroded away.
The correct option is D.
Mid ocean ridges refers to an underwater mountain system that is formed by plate tectonic.Mid ocean ridges are formed when convention current arise in the mantle under the oceanic crust and from a magma,where two tectonic plates come together at aboundary
hope it helps,
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Answer: He is correct. Mid-ocean ridges are ancient volcanoes whose tops have eroded away
Explanation:
What do hormones and neurotransmitters have in common? how do they differ?
Answer:
The main difference between hormones and neurotransmitters is that hormones are produced in endocrine glands and are released into the blood stream where they find their targets of action at some distance from its origin whereas neurotransmitters are released into the synaptic gap by a terminal of a stimulated ...
I’ll really appreciate it if you help me out with these 2 questions .
Answer:
8. C
9. Im sorry I don't know
Greg Developed and Ear infection. His doctor gave him an antibiotic. The antibiotic killed all the bacteria in his body. What other effect could the antibiotic have
Some of the antibiotics doctors prescribe to treat an ear infection such as amoxicillin, cortisporin (neomycin/hydrocortisone) solution or suspension.
What is infection?The infection is invasion and growth of germs in the body. The germs can be bacteria, viruses, yeast, fungi, or other microorganisms. Infections can begin anywhere in the body and may spread all through it.
Antibiotics can have side effects as when children take antibiotics at the first sign of an ear infection, they are more likely to have vomiting, diarrhea, and allergic reactions because of the medicine. Also, antibiotics can kill “friendly” germs in the body and cause other problems like diarrhea.
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What type of cat would be the best control to compare with Calix?
Answer: black male
Explanation:
It would let us see the difference between Calix and a normal male cat
Answer:
black male is correct
Explanation:
doing the gizmo right now and it was correct.
What are some examples of climatic conditions that support certain species and inhibit others?
Answer:
The cold temperatures, snow and ice, lack of daylight in winter and lack of darkness in winter, make good conditions for the survival of polar bears, seals, caribou, etc., but seriously prohibit the survival of mosquitoes and most other insects.
Explanation: Here's your answer, hopefully this will be help!
The examples of the climatic conditions that support certain species and inhibit others involved the snow, ice, etc.
Examples of the climate conditions:The cold temperature, snow, and ice, absence of daylight in the winter season, and absence of darkness in winter seasons resulted from the polar bears survival.
But at the same time, it restricts the mosquitoes and other insects survival.
So the above are the examples.
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a student mixed a sample of urine from a person with benedict's solution and heated ,the colour changed to Orange. (b)what did the student conclude on the health status of the person
Answer:
The person has high blood sugar.
Explanation:
Because benedict's solution tests for reducing agents, and since it changed its colour, reducing sugars(like glucose) is present.
Bombardier beetles release a burst of hot chemical spray with a popping sound. The chemical is sprayed from a structure present under the belly of the beetles. Which is the likely advantage of such a behavior?
Answer:It allows beetles to escape from predators.
Explanation:
Which of the following statements about nucleic acids is true?
A. Nucleotides are made of a 5-carbon sugar, a nitrogen base, and a lipid.
B. DNA and RNA are examples of nucleic acids that are rarely seen in living things.
O C. Nucleic acids are made of repeating units called lipids.
O D. Nucleic acids store important information about cell division and the manufacturing of proteins and genetic information.
Answer:
D
Explanation:
nucleic acids( DNA &RNA). the DNA contains the genetic information of an organism while some RNA are used as messager within the cell. mRNA is usually sent to the nuclueoi to synthesis ribosomes, and ribosomes is the site of protein production in the cell.
______ Nucleus ______ Mitochondrion ______ Chloroplast ______ Cytoplasm ______ DNA ______ Ribosomes ______ Cell Wall ______ Cell Membrane a) Makes proteins for the cell b) Converts sugar to a usable form of energy c) Liquid plasma in the cell that holds the organelles d) Contains genetic material to make proteins e) Site of transcription f) Converts sunlight to sugar g) Separates the inside of the cell from the outside of the cell h) Provides structure for the cell
Answer:
Answer: The role of the nucleus of a eukaryotic cell is to control the cell. Because it contains most of the cell's DNA, which is encoded with genetic instructions, the nucleus controls which proteins the cell makes.
Explanation:
Answer: The role of the nucleus of a eukaryotic cell is to control the cell. Because it contains most of the cell's DNA, which is encoded with genetic instructions, the nucleus controls which proteins the cell makes.
Which of the following are not correctly paired?
Answer:
um where are the answer choices?
Explanation:
i'll try to answer in the comments if i am able to!! if not, huge sorry..
may someone help me with this
Answer:
2. Phenotype
3. Genotype
4.Genotype
6. Phenotype
7. Phenotype
8. Genotype
a phenotype refers to the physical characteristics: can be observed
a genotype refers to the genetic characteristics: can't be seen
Which of the following is formed when a group of tissues works together to perform a common function ?
A. Body
B. Organ
C. Organ system
D. Braun
Answer: The answer is A
Explanation: Research and Edu labs
29. A teacher presented the two models below to the dass. The models represent a eukaryote and prokaryote cell. The teacher asked the students to label the structure of each cell that contains the genetic code and
tell where it is located.
structure C, located in the cytoplasm in Cell A and structure C, located in the cytoplasm in Cell B
structure H, located in the cytoplasm in Cell A and structure A, located in the nucleus in Cell B
structure C, located in the nucleus in Cell A and structure C, located in the cytoplasm in Cell B
structure H, located in the cytoplasm in Cell A and structure A, located in the cytoplasm in Cell B
Answer:
C. structure C, located in the nucleus in Cell A and structure C, located in the cytoplasm in Cell B
Explanation:
This question contains images that depicts an eukaryotic cell (animal) and a prokaryotic cell (bacteria). According to the question, a teacher asked the students to label the structure of each cell that contains the genetic code (DNA) and tell where it is located.
In an eukaryotic cell, the genetic material (DNA) which contains the genetic code is located inside a well defined membranous structure called NUCLEUS while the genetic material in a prokaryotic cell is found naked in a region of the cytoplasm called NUCLEOID as they lack a membrane-bound nucleus. Based on this explanation;
- Structure C is the genetic material (DNA) which contains the genetic code of cell A (eukaryotic cell), hence, the genetic code of cell A is found in structure C, which in turn is located in the centrally-placed NUCLEUS.
- Structure C is the genetic material containing the genetic code of cell B (prokaryotic cell), hence, the genetic code of cell B is found in structure C, which in turn is located in the CYTOPLASM.
what general type of mutation has the greatest effect on the protein produce
Answer: The most serious of these mutations will be the insertion of 2 bases. Becasue the genetic code is read in triplets, a 2 base insetion will alter the reading frame of the code causing a frameshift mutation meaning every amino acid after the site of the mutation will be incorrect.
If the organisms were put in a dichotomous key for dassification, what would makethe organisms in the diagram different
from organisms that fall under the taxonomic group Bacteria?
A The organisms in the diagram are autotrophs.
B. The organisms in the diagram are unicellular.
C The organisms in the diagram are mobile and move with flagella,
OD The organisms in the diagram contain membrane-bound organelles,
Type here to search
Answer:
98.9% sure it's B. as far as I know
Calculate the population density for 30 an area of 3 km
Answer:
10 people per Km
Explanation:
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What is the best description of the chromosomes by the end of metaphase of mitosis?
The chromosomes reach opposite sides of the cell and begin to be incorporated into two new nuclei.
The chromosome pairs collect in a line across the middle of the cell.
The chromosomes separate at the centromere and begin to move apart.
The chromosomes have coiled and become more compact.
Answer:
The chromosome pairs collect in a line across the middle of the cell.
Explaination: i have a whole slide show i had to make for science i looked at that
Urgent! please answer this, the photo in attached, thankyou!!
Bone marrow stem cells differentiate into any type of cell. true or false?
Answer:
True
Explanation:
Bone marrow mesenchymal stem cells have pluripotent potential and mainly into osteoblasts into the skeleton, but its unbalanced.
Answer:
True
Explanation:
Stem cells from bone marrow are pluripotent which can differentiate from signaling mechanisms.
How does water change the shape of Earth's surface?
I
Answer:
water can dissolve rocks and cement thru a process called erosion
Explanation:
Answer:
Without the oceans the Earth would look like it had dents in it. It wouldn't have the round smooth-ish appearance it has with the water.
Is it hazard or risk
Answer:
1. Risk
2. Hazard
3. Risk
4. Risk
5. Hazard
6. Hazard
7. Hazard
8. Hazard
9. Risk
10. Hazard
:)
The middle of the DNA ladder is made up of __?__.
Answer:
The sugar and phosphate group make up the backbone of the DNA double helix, while the bases are located in the middle.
Explanation:
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Describe the difference between a scientific law and a scientific theory.
Answer:A scientific law describes an observed pattern found in nature without explaining it. The theory is the explanation well tested explanation for a set of observations or experimental results.
Explanation:
which cell organelle is the site of cellular respiration in most types of living things?
What causes Earth's seasons?
Animal that live in water is also called as _____?
Answer:
aquatic animals......hope it will help you
After cytokinesis, how many cells have been formed from the parent cell?
Answer:
During cytokinesis, a single cell divides into two daughter cells.
Explanation:
Answer: Mitosis = 2 genetically identical daughter cells,
Meiosis = 4 genetically different daughter cells
Excess exposure to the sun can lead to skin cancer due to mutations in the DNA of your skin cells. Which of the following explains why this type of cancer cannot be inherited by the offspring of someone with skin cancer?
Answer:
The mutation occurred due to the environment
What is the chemical symbol of Hydrogen?
Answer:
the symbol for hydrogen is H