Answer:
Nucleic acids are key macromolecules in the continuity of life. They carry the genetic blueprint of a cell and carry instructions for the functioning of the cell.
Explanation:
if am wrong plz forgive me but if I'm right brainly me plz（＾∀＾●）ﾉｼ
how can we improve hydraulicity of lime?
Answer:
Hydraulicity and setting properties of fat lime can be improved by the addition of surkhi and grinding the mixture in a mortar-mill.
Explanation:
how soon can a blood test detect pregnancy after conception
Answer:
5 weeks
Explanation:
I think so.
Pls mark as brainliest answer if it helps you
Two noncellular agents, smaller than viruses, are infectious RNA strands called ___ and infectious proteins called ___. prions; viroids prions; phages viroids; phages viriods; prions prions; capsomeres
Answer:
A. prions; viroids
Explanation:
One gene in the human genome may be expressed at a much higher level than another. Can differences in types of cis elements present account for this
Answer:
No, CREs usually don't account for differences in gene expression levels.
Explanation:
Cis-regulatory elements (CREs) are non-coding DNA regions that regulate adjacent gene transcription. They usually do it by binding to transcription factors. They are in charge of influencing the rate of which transcription occurs, and less with how much a gene is expressed. On the other hand, trans-regulatory elements are DNA sequences that encode for upstream regulators that can modify or regulate gene expression levels.
Therefore, cis elements are not really in charge of expression levels, mostly transcription rates of single genes, rather. Trans elements are more involved in expression levels.
what is located in the autonomic nervous system
Answer:
It contains three anatomically distinct divisions: sympathetic, parasympathetic, and enteric.
Explanation:
The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS) contain both afferent and efferent fibers that provide sensory input and motor output, respectively, to the central nervous system (CNS). Generally, the SNS and PNS motor pathways consist of a two-neuron series: a preganglionic neuron with a cell body in the CNS and a postganglionic neuron with a cell body in the periphery that innervates target tissues. The enteric nervous system (ENS) is an extensive, web-like structure that is capable of function independently of the remainder of the nervous system. It contains over 100 million neurons of over 15 morphologies, greater than the sum of all other peripheral ganglia, and is chiefly responsible for the regulation of digestive processes.
What element is essential for microbes and can restrict the growth of pathogens when bound by antimicrobial proteins
Answer: the answer is iron
approximately how many non-bacterial species are on earth?
Answer:
8.7 million
Explanation:
There are approximately 8.7m (give or take 1.3m) eukaryotic species on earth. Bacteria (and also archaea) are prokaryotic, not eukaryotic, so this number excludes them.
Are large erganle melecules found in living things like proteins,
carbohydrates, nuclele acids and lipids
Answer:
YES THEY ARE FOUND
Explanation:
PLZ HELP! what would happen to the current heliocentric model if entirely new evidence emerges that cannot be explained by the model?
Answer:
At least give some answers to go by, anyway, if the evidence is not yet proven then nothing, if it is proven to be true(whatever it is) it would make us change the current model to support this new evidence.
Explanation:
Don't expect a perfect answer, I haven't done the question to know the answer choices, so this is all I can presume. and if somebody comes in here and pastes the answer from A.P.E.X without stating that they copied it I am going lose my mind.
A population of beetles is mostly composed of individuals with the dominant green color, but there are several with the recessive brown
color. A displaced species of bird moves into the habitat and preferentially preys upon the green beetles. Over time, what can be expected
to happen to the beetle population?
O A. The beetles will migrate to avoid being eaten by the birds in the habitat.
OB. The beetle population will become extinct.
O C. The beetle population will stabilize because the birds will not eat more beetles than necessary to maintain ecological balance.
O D. The brown beetles will become more common.
The green beetles will decrease in number while the brown beetles will become more common.
According to Darwin's theory of evolution, organisms that are better adapted to their environment are able to live longer and survive long enough to reproduce thereby perpetuating their favorable characteristics in the population.
Since the green beetles are more common but they are preferentially preyed upon by the invasive bird species, the green beetles will decrease in number while the brown beetles will become more common.
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someone help me asap
Answer:
its c
Explanation:
because it has a definition on it
name the organisms of each trophic level of the food web
The diagram showing aquatic food web
Answer:
plankton- producer
krill- primary consumer
squid, penguin- secondary consumer
blue whale, seal, seagull- tertiary consumer
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Height in humans is a polygenic trait with a distribution similar to the graph shown Which is true concerning the distribution of
height in human populations? (1 point)
O Most individuals will be below average height
O Most individuals will be at the extremes of height
O Most individuals will be above average height
O Most individuals will be of average height
Answer:
The answer is D
i hope this helps buddy
Explanation:
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During cellular respiration, most of the ATP energy generated comes from the electron transport chain. True false question. True False
Answer:
A true
Explanation:
only 4 at is created outside the electron transport chain
but cellular respiration produces at net gain of 36 atp
thus the other 32 atp comes from the electron transport chain
Which statement best describes the subscapularis muscle?
Answer:
b. is correct
Explanation:
PLZ HELP how does the advancement of technology affect scientific models?
Answer:
Science and technology help each other advance. Scientific knowledge is used to create new technologies. New technologies often allow scientists to explore nature in different ways and make new discoveries. Examples of technologies that have helped science advance include the telescope and microscope.
Explanation:
hope it will help.....
Maxine miles runs a marathon in 2 hours and 40 minutes. most of the atp for this activity is supplied by:
Maxine miles runs a marathon in 2 hours and 40 minutes. Most of the ATP for this activity is supplied by AEROBIC glucose breakdown. ATP is the energy coin of the cell.
Cellular respiration refers to the metabolic processes by which aerobic cells produce ATP by using the energy stored in the chemical bonds of foods (e.g., glucose) and oxygen.
Muscle cells can produce ATP by both cellular respiration (aerobic conditions) and acid lactic fermentation (anaerobic conditions).
Acid lactic fermentation is a less efficient pathway than cellular respiration, but cellular respiration is slower than fermentation, thereby muscle cells use this pathway (acid lactic fermentation) when there is not enough oxygen in the body.
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How many codons are needed for 3 amino acids?
Answer:
3 codons are needed for 3 amino acids
after light excites electrons and they leave photosystem ii to travel down the first electron transport chain. how are these electrons replaced to photosytem ii
Answer:
They are replaced by water splitting
Explanation:
homeostasis in unicellular organisms depends on the proper functioning of....?
Answer:
organelles
Explanation:
4. Describe the interrelationship between cell, tissue and organ of human body.
Answer and Explanation:
Cell: Molecules get grouped in alive cellular units that have auto replication capabilities. It is the smallest structural unit capable of functioning by itself. A cell is capable of communicating with other cells, their membranes delimitate them and protect them, constituting a selectively permeable barrier, receives signals from the exterior and responds in different ways to the different signals. There are different cells with different sizes, shapes, and forms.
Tissue: A tissue is the organization and association of the same type of cells. Each tissue performs different functions. These tissues can be epithelial, adipose, nervous, muscular, and etcetera.
Organ: An organ is composed of different tissues that work together in a more complex function. Tissues form structures such as the heart, lung, kidney, brain, and etcetera. Each organ has its function.
Organ systems: When different organs get associated and work together, they become a system. Working together in a stable way organs maintain homeostasis.
What is the name of the play that Hamlet presents to King Claudius?
Answer:
The Mousetrap
Explanation:
In act 3, scene 2 of William Shakespeare's Hamlet, Claudius asks Hamlet for the play's title, to which Hamlet replies, The Mousetrap. He says that the play presents the true story of a murder carried out in Vienna.
What would be most likely to happen to a plant that had working chloroplasts in its cells but had taken in a poison that kept mitochondria from working? (1 point)1.It would use its chloroplasts to do the work the mitochondria should have done.2.It would use the energy from the Sun to replace the energy provided by mitochondria.3.It would have a difficult time gathering enough solar energy during photosynthesis.4.It would not be affected since plants do not require mitochondria.
Answer:
It would use its chloroplasts to do the work the mitochondria should have done
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which of the following is a way that human modification of limiting factors causes unbalance in ecosystems? a. habitat loss b. pollution c. climate changes d. all of the above
Answer:
D all of the above
Explanation:
The way that human modification of limiting factors causes imbalance in the ecosystem is : ( D ) All of the above
What are limiting factorsLimiting factors are factors contraining the growth of a population in an ecosystem. the modification by humans on these limiting factors causes an imbalance in the ecosytem which leads to loss of habitat, pollution and climate changes.
Hence we can conclude that The way that human modification of limiting factors causes imbalance in the ecosystem is : ( D ) All of the above.
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What is an example of a microorganism acting in a harmful way? Question 6 options: Bacteria infecting a cut. Bacteria aiding in digestion. Bacteria used to create yogurt. Fungi decomposing waste in a septic tank.
Answer:
I would say A but im not sure
Explanation:
Answer:
bacteria aiding in digestion
Explain how chemical properties and chemical changes are different?
Explanation:
A chemical property describes the ability of a substance to undergo a specific chemical change. A chemical reaction is a process that occurs when one or more substances are changed into one or more new substances.
at what point in meiosis do sister chromatids separate?
Answer:
anaphase II
Explanation:
This is when the string like things pull the sister chromatids and move them towards opposite poles. And then in the next step they began to separate as two different cells
at what point in meiosis do sister chromatids separate?
Answer :Anaphase
Anaphase: During anaphase, the centromere splits, allowing the sister chromatids to separate.
what organelle processes and sorts proteins to be shipped
Answer: The Golgi apparatus
Explanation: The Golgi apparatus modifies, sorts, and packages different substances for secretion out of the cell, or for use within the cell.
The organelle that processes and sorts proteins to be shipped is the Golgi apparatus. The Golgi apparatus is a stack of flattened sacs that is located near the nucleus of the cell.
It is responsible for processing and sorting proteins that have been made by the endoplasmic reticulum. The Golgi apparatus modifies proteins, packages them, and then ships them to their final destinations.
The Golgi apparatus has three main functions:
Modification: The Golgi apparatus modifies proteins by adding sugars, phosphates, and other molecules to them. This modification changes the properties of the proteins and makes them more functional.
Sorting: The Golgi apparatus sorts proteins into different vesicles. These vesicles are then transported to different parts of the cell, where the proteins are used.
Shipping: The Golgi apparatus ships proteins to different parts of the cell by fusing the vesicles with the cell membrane.
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in the monohybrid crosses performed by mendel, the f1 plants always displayed ____.
in the monohybrid crosses performed by mendel, the f1 plants always displayed one trait
The answer to your question would be; one trait
I hope this helps!