It causes muscular irritability which can lead to cramps and twitching of facial muscles.
Final answer:
A drastic decrease in calcium production can lead to hypocalcemia, impacting muscle contractions and causing symptoms such as cramps, spasms, or tetany. Neurons can also be affected, leading to increased excitability and convulsions. Hypoparathyroidism, a common cause of low blood calcium, can severely disrupt neuromuscular function.
Explanation:
When there is a drastic decrease in calcium production in the body, it leads to a condition called hypocalcemia. This condition can negatively impact various systems within the body, including the muscular system. Without sufficient calcium, muscle contractions become impaired, which might lead to muscle cramps, spasms, or even prolonged contractions known as tetany. For neurons, low blood calcium can increase membrane permeability to sodium, which can result in muscle twitching and severe cases may lead to convulsions or paralysis, including respiratory muscles, and can prove to be fatal.
In the case of hypoparathyroidism, which is an underproduction of parathyroid hormone (PTH), there can be extremely low levels of blood calcium. As PTH helps regulate calcium levels in the blood, its deficiency can cause acute symptoms in muscle contractions and overall neuromuscular function. Muscle function impairment and tetany are common outcomes of severe hypocalcemia due to hypoparathyroidism.
The discovery of the structure and make-up of DNA was very competitive, even dishonest at times, between scientists
of various countries. Therefore, the Human Genome Project was a monumental accomplishment because the project _______
A.) discovered DNA structure and profiling
B.) developed a database to catch criminals across the world
C.) brought the world's research together and made it available to
D.) found the cause of many genetic diseases
Answer:
C
Explanation:
Human genome project remains the world's largest collaborative biological project that determined the sequence of human genome and the genes that it contains. The sequencing holds benefits for many fields, for example human evolution, molecular medicine etc. This project through its sequencing helped to understand diseases including identification of mutations linked to different forms for cancer, advancement in forensic applied sciences, agriculture , bioprocessing etc.
why do we see different phases of the Moon
During the lunar month, the Moon goes through all its phases. You can see the phases drawn in the image below. Just like the Earth, half of the Moon is lit by the Sun while the other half is in darkness. The phases we see result from the angle the Moon makes with the Sun as viewed from Earth.
hope this helps :)
Moon is the natural satellite of the Earth, which rotates and revolves around the Earth. The moon reflects the sunlight, which makes it visible to the Earth.
The different phases of the moon are seen due to the revolution of the moon around the earth. It can be explained as:
1. The moon does not have its own light, such that it reflects the sun's light.
2. When the moon revolves around the Earth, it can reflect some portion of the light. The different portions of the illuminated moon result in different phases.
3. The phases of the moon are crescent, gibbous, full moon, waning, and waxing moon.
Thus, the moon when orbits around the Earth and gets reflected at some portions will give rise to different phases.
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What is not an example of negative feedback
Blood clotting
Shivering
Sweating
Digestion
Blood clotting is a positive feedback.
Explanation:All the physiological process occurring in the body are monitored by two types of mechanism called negative feedback and positive feedback.
Positive feedback is the reaction which occurs with the feedback from the actions the system has performed. The blood clot occurs with palette formation which is regulated with the blood lose (continuous feedback).
Negative feedback is a reaction that is the invert of the change distinguished, meaning it capacities to decrease the change. A change is recognized by a receptor and an effector is made to incite a contrary impact which facilitates further reaction.
The physiological process such as shivering, sweating and digestion are examples of negative feedback.
What is photosynthesis?
Answer:
photosynthesis is the process that plants go through using energy from the sun to make food for themselves that get passed to the rest of the ecosystem
Which two words describe an organism that eats organisms as food
Carnivore, consumer
The two words that describe organisms that eat other organisms as food are 'consumer' for those who rely on others for energy and 'decomposer' for those who break down waste materials and dead organisms.
Explanation:The two words that describe an organism that eats other organisms as food are consumer and decomposer. Consumers are organisms that cannot produce their own food and rely on other organisms for energy. They include animals, some bacteria, and a few plants such as the pitcher plant. Consumers can be further divided into herbivores (like rabbits that eat plants), carnivores (like lions that eat other animals), omnivores (like humans that eat both plants and animals), and scavengers (like hyenas that eat dead animals). On the other hand, decomposers play a role in breaking down dead organisms and waste materials, thereby releasing nutrients back into the ecosystem. Examples of decomposers include fungi and certain bacteria.
what is the second step of protein synthesis?
The second step of protein synthesis is translation
Final answer:
The second step of protein synthesis is translation, where mRNA is read by a ribosome in the cytoplasm and tRNA molecules bring corresponding amino acids to form a polypeptide chain. The process consists of initiation, elongation, and termination stages.
Explanation:
The second step of protein synthesis is called translation. During translation, mRNA that has been transcribed from DNA is read by a ribosome to assemble a polypeptide chain. The ribosome facilitates the binding of transfer RNA (tRNA) molecules that have attached amino acids, corresponding to the codons on the mRNA. The tRNA transfers amino acids to the growing polypeptide chain in the correct sequence, contributing to the formation of a functional protein.
Steps of Translation:
Initiation: A ribosome binds to mRNA with the help of initiation factors and an initiator tRNA.Elongation: tRNA molecules bring amino acids to the ribosome, which adds them to the growing polypeptide chain.Termination: The process ends when a stop codon on the mRNA is reached, releasing the newly formed protein.Translation occurs in the cytoplasm of the cell where ribosomes are located and play a key role in assembling proteins.
Which part of a cell carries the genetic material?
Cell membrane
Cell wall
Chloroplast
Nucleus
The Nucleus of a cell carries the genetic material, organized into structures known as chromosomes. Each chromosome contains many genes, which are the main units of heredity.
Explanation:The part of a cell that carries the genetic material is the Nucleus. The nucleus contains most of the cell's genetic material in the form of multiple linear DNA molecules organized into structures called chromosomes. Each chromosome carries a lot of genes, the basic physical and functional units of heredity.
Genes are distinct sequences of nucleotides forming part of a chromosome, the order of which determines the order of amino acids within protein molecules. Cell membrane, cell wall and chloroplast do not carry genetic material.
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What gets passed from one cell to another in sexual reproduction? A. chromosomes B. individual genes C. individual bases of DNA D. pairs of DNA bases
It is A chromosomes
Tell me if the answer is wrong
Answer:
Chromosomes!! just did it on study island
Explanation:
Who is Charles darwin? What were some of his contributions to the theory of evolution
Charles Darwin:
Charles Darwin was an English biologist, naturalist and others. He contributed to science in many different way, but he's most regarded for his evolution theory which can be found in his famous book, On the Origin of Species.
Evolution, Darwinism:
When he first published his book many people thought he was crazy and that his theory was a total blasphemy, and they even created what we would now call a meme, as we can see in the first image. Turns out, the book was published in 1859, which meant he had enough evidence to prove his theory due to the fact that in 1831 he did his famous voyage in the HMS Beagle to the Galapagos, where he studied different species of finches.
But, going deeper in to the theory, he suggested that animals developed in tiny steps as natural selection went causing modifications to their genes so that they could be more competitive in their environment. That was also part of his proposal to how new species originated - at one point, so many changes would have occurred that the product of natural selection would be a total new species.
A visual way of representing his theory would be with the famous "monkey-scale" where we can see how our upright and non-hairy appearance originated, as we can see in the second image.
Hope it helped,
BiologiaMagister
what is a genotype and what is a phenotype?
A genotype is the set of genes in our DNA which is responsible for a particular trait. And a phenotype is the physical expression, or characteristics, of that trait. Like for example, two organisms that have even the minutest difference in their genes are said to have different genotypes.
Hope this helps:)
Phenotype is the term used to describe the morphological, physiological and behavioral characteristics of the individual that we can visualize and that arise through the interaction between the genotype and the environment. The phenotype can be motivated in some situations. For example, let's say your parents have black hair, and you have inherited this characteristic from them. This characteristic is something that we can visualize, that is, it is the phenotype. However, you can change the color of your hair, or your hair may appear lighter due to the action of the sun and the chlorine of the picina.
The genotype, on the other hand, is the term used to describe your genetic makeup based on the genes you have inherited from your country. For example, we can say that your father has black skin represented by the "AA" genes, however your mother has a white skin represented by the "aa" genes, you received a gene from your mother and one from your father, with the genetic makeup (genotype) the "Aa" alleles and the black skin phenotype.
mixing the compost to your soil helps _____ the soil increase essential nutrients
A. moisten
B. aerate
C. dry out
or D. clean
Answer:
ITS B: ( AERATE ) I TOOK THE TEST AND GOT IT WRONG BC I PICK MOISTEN
Explanation:
Which cell is more specialized?
-Nerve cell
-Cell from the morula
-Cell from the blastula
-Zygote
An increase of carbon dioxide in the tissues will result in:
A the bonding capacity of hemoglobin for O2 increasing.
B bicarbonate and hydrogen ion concentration increasing in the blood.
C pH of the blood increasing.
D less CO2 and water found in the plasma.
the answer is B. bicarbonate hydrogen ion concentration increasing in the blood.
An increase of carbon dioxide in the tissues will result in:pH of the blood increasing.
What will increase pH of the blood ?Blood pH increases when people ingest substances that contain or produce acid or when the lungs do not expel enough carbon dioxide.If the pH of blood get increased leads to nausea, vomiting, and fatigue and may breathe faster and deeper than normal.The lower the pH, the more acidic the blood. A variety of factors affect blood pH including what is ingested, vomiting, diarrhea, lung function, endocrine function, kidney function, and urinary tract infection. The normal blood pH is tightly regulated between 7.35 and 7.45.pH of the blood increase when carbon dioxide in the tissues increase.
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Organisms may contain up to five levels of organization within their bodies. Which level of organization is shown by the liver?
tissue
organ
organism
organ system
The level of organization shown by the liver is organ level as the liver is an organ. Thus, the correct option is B.
An organ is made up of multiple tissues that are joined together and perform specific functions that contribute to a major function of the body. For instance, liver, kidney, stomach, etc.
The liver is the second largest organ in the body and is a part of the digestive system. Liver is made up of several types of tissues which includes hepatic laminae, bile canaliculi, bile duct, hepatic ducts and hepatic sinusoids.
Liver carries out multiple functions related to metabolism and detoxification.
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What two things protect our brain from damage?
The brain is protected by the bones of the skull and by a covering of three thin membranes called meninges. The brain is also cushioned and protected by cerebrospinal fluid.
would the phases of the moon be affected if the moon did not make one rotation for each revolution of earth.
no, as the moon's phases are due to the relative position of the earth and the sun so you may see a different part of the moon but the phases will stay the same
Of the more than 35 animal phyla, the ____________ are considered the most successful of all animal groups.
Answer:
Of the more than 35 animal phyla, the arthropods are considered the most successful of all animal groups
Which activity uses water for both recreational and industrial purposes?
machinery cooling
waterskiing
irrigation
fishing
According to the United States Geological Survey (USGS), industrial water is used for fabricating, processing, washing, diluting, cooling, or transporting a product. Water is also used by smelting facilities, petroleum refineries, and industries producing chemical products, food, and paper products.
irrigation
The activity that uses water for both recreational and industrial purposes is fishing. Thus, option "D" is correct.
What is fishing?Fishing refers to an activity which typically involves catching fish for both recreational (sports or hobby) and industrial (feeding or sales) purposes.
In finishing, the fish are caught from water such as a pool, lake, river etc. through the use of fishing nets, rods and lines and fish hooks.
Basically, when fishing is done with family members, peers or even individuals such as on a vacation, sports competition and pleasure, it is mainly considered to be for recreational purposes.
However, when fishing is done on a commercial basis such as selling them to consumers, it is considered to be for industrial purposes.
Hence, fishing is an activity which uses water for both recreational and industrial purposes.
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An example of natural selection is the red color of a male cardinal. The females of the species choose mates based on the vibrant colors of the males’ feathers. If females begin using different criteria than feather color when they choose mates, what would most likely happen to the tails of peacocks over time?
If female’s species would chose their mates using different criteria other than feather, it may lead to decrease in variation in tail feather color because the only reason for the variation was selection pressure.
Explanation:
The opposite gender for mating are chosen based on specific criteria like color of feathers, eye color etc..The selection of opposite gender is the natural selection considering the red color of the male cardinal. This red color male cardinal which depends only on the sexual selection pressure will now reduce. As this was now neutralized it may lead to decreased variation.
Answer:
Decreased variation in the shades of red because no form of the trait is advantageous.
Explanation:
Natural selection may be defined as the differential reproduction and survival of the individual due to their differences in the phenotype. Natural selection acts as the main driving force for evolution.
The male cardinal red color gets change or may show variation as it is no longer used by them to attract the females. The red shade variation get decreases and may get changed over time. The red color trait is non advantageous and get extinct with time.
All living organisms have complex organization, they are able to grow and develop, they are able to reproduce and pass on genetic information to their offspring, they are able to acquire and release energy, and they are able to maintain stable internal environments.
Which of the following statements can be inferred from the above information?
A.
Living organisms only need to possess one of the above characteristics.
B.
Living organisms share certain characteristics.
C.
Nonliving organisms are similar to living organisms.
D.
Nonliving organisms cannot possess any of the above characteristics.
living things share certain characteristics.(B)
All living things have certain traits in common that enable them to endure and flourish in their surroundings.
What does these qualities include ?These qualities include a complex organisational structure, the capacity for growth and development, the capacity for reproduction and the transmission of genetic material to progeny, the capacity for the storage and mobilisation of energy, and the capacity for the maintenance of a constant internal environment.
The right response is B since it can be deduced from this information that living things share a few traits. A further implication is that none of the qualities mentioned above are shared by nonliving entities, which is answer D.
Nonliving things can't reproduce, grow and develop, get and use energy, or keep their internal environment stable. Answer A is untrue since living things require Answer A is untrue because all of the qualities listed are necessary for living things to survive and flourish in their surroundings.
Answer C is also erroneous because nonliving objects lack all of the qualities mentioned above.
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6. A farmer has a ten-acre plot to feed his family. What is the most efficient way to use the plot? Explain why you chose your answer.
a. grow corn and feed it to his family
b. grow corn and feed it to several cows, using the milk and meat from the cows to feed the family
The most efficient way to use the plot IS TO GROW CORN AND FEED IT TO SEVERAL COWS TO FEED THE FAMILY.
By growing corns and feeding it to several cows the farmer will be able to feed the cows adequately and they in turn will provide him and his family with enough milk and meat. Apart from this, the farmer will be able to sell the excess milk and meat for money and use the money to buy other things that his family need.
In addition, the wastes from the cow can be used as compost to maintain the fertility of his farm land, thus, he will not have to spend money on fertilizers and the land will serve him for a long period of time.
Which is not a characteristic of Marine West Coast climates
what are the answer choices?
Answer:
strong winter rainfall maximum
Explanation:
During which era did life begin transitioning from ocean to land?
Paleozoic
Mesozoic
Neoproterozoic
Eoarchaean
Answer:
Paleozoic
Explanation:
It is during the late Paleozoic era, in the Carboniferous and Permian Periods, approximately 300 million years ago, that this transition occurred. During this period, there were higher global temperatures and tropical swamps dominated land on the Earth. This allowed amphibians to move farther inland. Later, synapsids and diapsids now dominated the land.
During the Paleozoic era, life began transitioning from the oceans to land. This era was a time of significant evolutionary change, with the emergence of plants and many types of animals onto the terrestrial landscape. So the correct answer to the multiple-choice question is Paleozoic.
The Paleozoic era, which is a part of the Phanerozoic Eon, extended from about 541 million to 252 million years ago and is known for the proliferation of life. Within this era, there was a great diversification of life forms, specifically during the Cambrian period where we see the 'Cambrian explosion' of diverse multicellular organisms. Moreover, it is during the later periods of the Paleozoic era that we observe life-first ventures onto land—evidenced by the earliest land plants and animals like amphibians and insects. Sedimentation, tectonics, and evolutionary evidence found in the fossil records all support this crucial transition period. The Mesozoic and Cenozoic eras followed the Paleozoic, with the Mesozoic known for the era of dinosaurs, and the Cenozoic characterized by mammalian evolution and the rise of modern ecosystems.
Temperature can be used to measure a particle's
chemical energy.
ionic energy.
kinetic energy.
potiental energy.
deforestation is the process of people moving to city areas. true or false?
False
Deforestation is the process of loss or destruction of naturally occurring forests.
In what way did the point mutation affect the protein?
Answer:
Point mutations can have several effects on the behavior and reproduction of a protein depending on where the mutation occurs in the amino acid sequence of the protein. If the mutation occurs in the region of the gene that is responsible for coding for the protein, the amino acid may be altered.
Explanation:
what has maximum atp production, Aerobic respiration or Anaerobic respiration?
Anaerobic respiration makes a total of 2 ATP. Aerobic respiration is much more efficient and can produce up to 38 ATP with a single molecule of glucose.
how was the sun created ?
The sun was formed by a rotating cloud of gas and a bunch of dust called the solar nebula.
The sun is not a planet it is a star so how is a star created there are 3 Types of stars Blue,Red and yellow dome are made by star Collision
Which of the following strategies can reduce urban spraw
Answer:
-
Explanation:
I dont see anything.
In humans _______ of the DNA is the same.
a. 50%
b. 25%
c. 0%
d. 99.9%
The correct answer is (D) 99.9%
Explanation:Deoxyribonucleic acid, more commonly known as DNA, is a complex molecule that contains all of the information necessary to build and maintain an organism. There are more than three million differences between the genome of two persons. Humans share 99.9 percent of their genome sequence with each others.