Answers
Answer:
Explanation:
I have no ideaaa. This stuff wack.
The cytoskeleton is made up of a dynamic connection of protein filaments found in all the cells. Under the eukaryotic, it is made by the microfilaments, microtubes. Giving shape and structure to the system.
The eukaryotic cytoskeleton consists of three main types of firmaments. Such as those which are connected by the neurons are know as neurofilaments. These are a distinct types of subnet that have their own character, shape, and size. Being composed of lots of proteins also helps in the division of cells.Hence the option A and E are correct. that it gives cells shape and structure and helps in cell division.
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Related Questions
Which part of a flowering plant transports pollen to the unfertilized egg cells?
Answers
RNA has a different nitrogenous base. This" different" base pairs with Adenine meaning RNA base pairs are represented (A-U & C-G). What is the name of the nitrogenous base only found in RNA
A. Thymine
B. Uracil
C. Cytosine
Answers
Skeletal support in sponges may be provided by a. spicules of calcium carbonate. c. spongin fibers. b. spicules of silica. d. All of the above
Answers
Select 2 choices
1-The blood entering the lung is colored bright red.
2-The blood leaving the lung iscolored bright red.
3-The body takes in oxygen and releases carbon dioxide.
4-Oxygen gas is mainly transported via the red blood cell's hemoglobin.
5-The blood leaving the lung is richer in carbon dioxide than the blood entering the lung.
6-Carbon dioxide is mainly transported via the red blood cell's hemoglobin.
Answer and I will give you brainiliest
Answers
1 and 5, Solvent, and yh I am not sure but I think so
Major organs involved include the nose and mouth, nasal passages, trachea, bronchi (singular: bronchus), lungs, alveoli, and diaphragm.
The respiratory system has a close relationship with the circulatory system, oxygenating blood for tissues to survive and expelling carbon dioxide as waste.
Determine if it's Asexual or Sexual: The DNA of a bacterium doubles. The cell divides in half in a process called fission. This process continues every 20 minutes until food for the bacteria becomes scarce. The population levels off.
Answers
Answer:
Asextual
Explanation:Because it divides
An exotic species is the same as an invasive species.
True
False
Answers
Answer:
False
Explanation:
Exotic species are species brought to and unfamiliar environment, just like invasive species. There is a difference between the two however. Exotic species are indeed not native to their environment, but unlike invasive species, they are not harmful to the ecosystem. In order for an exotic species to become invasive, it must out-compete native organisms for food and therefore cause harm to the ecosystem. Non-native species that do not out-compete species remain exotic and not a high risk of disrupting the ecosystem.
Hope this helps!
Diagnosis
Your scan of Lucy's ADA gene showed a mutation in the active site. Why was this mutation not a
problem?
Answers
Answer:
This mutation in the active site was not a problem because this mutation affects the amino acid or protein in a molecule that that isn't important. So the molecule ended up being in the same state it was in beforehand.
Explanation:
Lucy's ADA gene showed a mutation in the active site, but this mutation was not a problem because the mutation did not change the overall active site, its structure, or function of the protein. After the mutation, the substrate can bind there too.
What effect does the mutation have on the protein?The gene has an encoded, inherited message that must be expressed in the form of proteins or RNA (rRNA), and if the gene is mutated, then there will be certain changes seen in the protein. The change in expression level depends on the intensity of the mutation; some changes are very minute and have negligible impact on the function of the protein, while others have a huge impact.
Here, the ADA gene is mutated, but it has no impact, and this happens either because it is a silent mutation in which the amino acid before and after the mutation is the same or because the substrate binding to the active site is not hampered after the mutation. In either of these cases mutation has no impact.
Hence, no effect is seen due to the lack of change in function of the protein.
Learn more about the mutation here.
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An organism can only be seen through a microscope. Which is most likely true of that organism?
Group of answer choices
It is multicellular
It is a plant
It is single-celled
It is an animal
Answers
Answer:
I want to say that the answer is C. It is single-celled.
Explanation:
I hope this helps!
Answer:
option C : it is single celled organism .
Explanation:
hope this will be helpful to you .if you find it useful please mark my answer as brainlist.
Which of these elements is not likely to be found in an organic compound?
A. carbon
B. hydrogen
C. nitrogen
D. potassium
Answers
Answer:
D. potassium
Explanation:
Potassium is not found in an organic compound. Therefore, option D is correct.
What are organic compounds?Any of a vast group of chemical compounds known as organic compounds contain one or more carbon atoms that are covalently connected to atoms of other elements, most frequently hydrogen, oxygen, or nitrogen.
The building blocks of life's components, such as carbohydrates, fats (lipids), proteins, and nucleic acids, are examples of organic substances. Petroleum and natural gas, which make up the majority of fossil fuels, are also organic molecules.
High molecular weights and complicated structures are features of organic molecules. These are usually insoluble in water but soluble in organic solvents. Potassium is not found in an organic compound. Therefore, option D is correct.
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The ____ principle of decision support system takes into account time and space factors when a farmer makes a decision.
Answers
Answer:
Explanation:
Fertilization decision support system.
Summarize the water cycle
Answers
Answer:
The water cycle describes how water evaporates from the surface of the earth, rises into the atmosphere, cools and condenses into rain or snow in clouds, and falls again to the surface as precipitation. ... The cycling of water in and out of the atmosphere is a significant aspect of the weather patterns on Earth.
You observe two distinct behavioral strategies among flocks of house sparrows. In one strategy, individuals (producers) search for food patches. In the other strategy, individuals (scroungers) wait for producers to find food and then feed in the patches found by the producers. The relative frequency of these strategies differs in flocks, and you observe that the scroungers have high fitness (a high feeding rate) when they are rare in a flock and low fitness when they are common in a flock. What is one possibility for the persistence of the two phenotypes in this population
Answers
Answer:
Frequency-dependent selection
Explanation:
Frequency-dependent selection is a type of natural selection where the fitness or reproductive success of a particular phenotype/genotype in the population is dependent on its frequency in the population. This type of natural selection can be both positive or negative. Frequency-dependent selection is a critical process that helps to maintain the genetic variability at population and species levels. A known example of frequency-dependent selection (positive) is the mimicry of butterflies, where selection can favor non-poisonous butterflies that show the same colors as poisonous butterflies.
What evidence supports the scientific theory that continents on Earth were at one time a part of a large supercontinent called Pangaea before they
drifted apart?
A. Sediments found along the coasts of continents often were transported there by wind or moving water.
B. The plants and animals that live on the same continent can often look very different from their fossil ancestors.
C. The fossils of some kind of organisms can only be found
in one location on Earth.
D. In several locations, the shape of one continent matches the shape of a nearby continent, like puzzle pieces.
Answers
Answer:
D
Explanation:
Which of the following accurately describes an example of a vestigial structure?
After the loss of a single eye, with one eye still present, a patient is still able to see with one eye. The patient complains of
reduced vision and depth perception after recovery.
A patient is having severe abdominal pain due to a ruptured appendix. The patient has an appendectomy, in which the
appendix is removed. The patient recovers and notices no life changes due to this surgery.
O A patient has a benign mass on the head of the pancreas. The mass is removed, along with a portion of the pancreas. This
results in reduced insulin production in the patient, causing them to be incapable of using glucose for energy, without the
aid of medication. The patient will be required to take an insulin shot once daily.
O A patient has heart disease, and therefore needs a heart transplant. The patient's heart is then removed and replaced with
a functioning mechanical heart. The patient will remain on organ transplant rejection pills for the remainder of his/her life.
Answers
Answer:
A patient is having severe abdominal pain due to a ruptured appendix. The patient has an appendectomy, in which the
appendix is removed. The patient recovers and notices no life changes due to this surgery.
A jogger has stepped in a pothole and sprained his ankle. What organ systems
have suffered damage?
Answers
Will give brainliest How would this change MOST LIKELY affect the various populations over time?
A The change in leaf litter would cause a decrease in each population due to a decrease in each organism’s food supply.
B The change in leaf litter would cause an increase in each population due to an increase in each organism’s food supply.
C The change in leaf litter would cause an increase in level 1 consumers due to an increase in their food supply. Level 2 and level 3 consumers would decrease due to a decrease in their food supply.
D The change in leaf litter would cause a decrease in level 1 consumers due to a decrease in their food supply. Level 2 and level 3 consumers would increase due to an increase in their food supply.
Answers
Answer:
i think C but i could be wrong
Explanation:
What should an ecologist measure in order to construct a pyramid of biomass for an ecosystem? A. the biomass in each trophic level of the food web B. the total mass of all the organisms in a representative area of the ecosystem C. the total mass of all the organisms in the ecosystem D. the number of organisms in each trophic level of the food web
Answers
Answer: When constructing a pyramid of biomass, the ecologist will produce a presentation of B.) the total mass off all the organisms in a representative area of the ecosystem.
Explanation: This type of ecological pyramid is determined by collecting organisms in each trophic level separately and finding their dry weight.
hope that helped! (:
Hi,
An ecologist measures in order to construct a pyramid of biomass for an ecosystem the total mass of all the organisms in a representative area of the ecosystem.
Therefore, Option B is correct.
Hope it helps you...
Answered by Benjemin ☺️
✅
Binding of the lac repressor protein to the lac operator is regulated allosterically. This means that the presence of a specific small molecule that binds to the lac repressor controls whether the repressor can bind to the lac operator, and therefore whether the operon is turned on or off. Can you sort the following conditions based on whether they are associated with the lac operon being turned ON or turned OFF?
a. Allolactose is absent
b. Allolactose is present
c. RNA polymerase cannot transcribe the operan genes
d. The lac repressor protein cannot bind to the lac operator
Answers
Answer:
a. OFF
b. ON
c. OFF
d. ON
Explanation:
Allosteric regulation is a process by which a particular molecule activates or inhibits an enzyme, by binding to a site different from the active site of the enzyme. Allolactose is a disaccharide that binds to the allosteric site of the lac repressor protein, triggering a conformational change in the protein that prevents the binding of this repressor to DNA. Moreover, RNA polymerase (RNA pol) is an enzyme required for the process of transcription, and therefore when this enzyme cannot bind to operon genes the lac operon is being turned OFF. Finally, the lac operator is a nucleotide sequence where RNA pol binds, and the lac repressor binds to the lac operator in order to block the transcription of the lac operon.
How would you prepare 500 ml of 0.1 M MgSO4 from a stock solution of 2 M MgSO4?
Answers
Answer:
J
Explanation:
Which statement describes how organelles aid in transporting proteins in eukaryotic cells?
A. Mitochondria transport ribosomes to the endoplasmic reticulum.
B. Lysosomes attach free-floating amino acids to mRNA molecules.
C. The Golgi apparatus joins free-floating phosphates to ADP molecules.
D. Membrane-enclosed proteins leave the ER and merge with the Golgi apparatus for further processing.
Answers
Mitochondria produces energy ,its doesnt have to do with proteins.
Lysosomes destroy bacteria and unwanted cells
And C simply isn't what happens.
D is true.
PLEASE HELP BRAINLIEST..
this is the part of a vasular plant that is typically below ground level and has no leaves or nodes. its major functions are to anchor the plant and absorb water and nutrients
=??
Answers
Answer:
roots or rhizoids
Explanation:
roots or rhizoids of the plant anchor the plant and collect nutrients from the soil and send them to the rest of the plant
Identify the sentence type in the following: Max likes macaroni?
Simple
Compound
Complex
Compound-complex
Identify the sentence
Answers
2. Identify the epithelial tissue that is most suited to each of the following functions. a. diffusion of gases across lung air sacs b. mechanical protection and waterproofing c. secretion of mucus and movement of mucus d. stretchy quality that allows expand as the lumen is filled e. secretion, absorption and chemical protection f. mechanical protection of a moist surface
Answers
Answer:
e. secretion, absorption and chemical protection
Explanation:
Epithelial tissues is responsible for the protection of the skin, absorption of nutrients during digestion and secretion of waste materials. These tissues form covering to all body surfaces. They also perform a variety of other functions such as excretion of waste substances, filtration of air from dirt and particles and clean the air that is inhaled, diffusion, and sensory reception.
PLS HELP
Place the following images in the chronological order that represents the process of pollination.
Question 4 options:
2, 3, 1, 4
3, 2, 4, 1
1, 2, 3, 4
2, 3, 4, 1
Answers
Answer:
1 4 2 3 sorry if i am wrong i hope it is wright
1) Discuss two neurotransmitters and their functions? 2) The central nervous system is comprised of what two structures? 3) What is the purpose of the autonomic nervous system? 4) What brain system is involved with memory and emotions? 5) What purpose do convolutions, folds, and fissures (on the brain surface)serve in relation to brain functions 6) What is the purpose of the endocrine system? 7) What is the purpose of Myelin in the nervous system. 8) BONUS (EXTRA CREDIT POINTS)- IN RELATION TO NEUROTRANSMITTERS, WHY DO SOME PEOPLE SAY LAUGHTER IS THE BEST MEDICINE? 2 points
Answers
Answer:
1. dopamine and serotonin
2. brain and spinal cord
3. controls the function of different processes in the body
4. limbic system
5. Increase brain surface area
6. release hormones into the bloodstream
7. insulation
8. laughing has multiple positive functions in the body
Explanation:
Dopamine is a neurotransmitter (i.e., a chemical messenger) involved in responses to rewards, motivation and memory, while serotonin is another neurotransmitter that controls appetite, mood, wakefulness and sleep onset. The central nervous system (CNS) consists of the brain and spinal cord. The spinal cord acts as a conduit by which messages are sent from the brain to the body and from the body to the brain. Moreover, the brain acts to control all body abilities (e.g., thinking, talk, feeling, walking, breathing, etc). The autonomic nervous system is known to modulate different processes (e.g., blood pressure, digestion, breath) and internal organs (e.g., heart) by acting largely unconsciously, i.e., without a person's conscious effort. The limbic system is a part of the brain that acts to control emotions and memory by modulating autonomic/endocrine functions. Convolutions, folds, and fissures can increase brain surface area, thereby more neurons are packed into the cortex of the brain and thus it is possible to process more information. The endocrine system acts to release hormones into the bloodstream. These hormones travel in the blood to their target cells/tissues, where they regulate different functions (e.g., mood, growth, development, metabolism, reproduction, etc). The myelin is an insulating layer surrounding nerve cells that enables electrical impulses to transmit efficiently around the whole body. Laughing has multiple positive functions: release endorphin hormones that decrease stress, increases the number of immune cells and antibodies, stimulate the activity of internal organs (e.g., heart), quickly relax the muscles, contribute to increase the oxygen uptake rate in blood, etc.
Which pieces of information does the National Weather Service produce?
simple maps
newspaper maps
long-range forecasts
maps with isotherms
Answers
Answer:
D.
Explanation: Which pieces of information does the National Weather Service produce?
simple maps
newspaper maps
long-range forecasts
maps with isotherms
The National Weather Service produces long-range forecasts and maps with isotherms, but not simple maps or newspaper maps.
What is long- range forecast?Long-range forecasts are predictions of weather conditions that are expected to occur over a period of several days or weeks. These forecasts are typically based on computer models that analyze current weather data and historical weather patterns.
Isotherms are lines on a map that connect points with the same temperature. They are commonly used to show temperature patterns across a geographic region, and can be useful for understanding weather conditions and climate trends.
While the National Weather Service may produce maps, they are typically not simple maps or newspaper maps, as their focus is on providing accurate and detailed weather information to the public and other stakeholders.
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An acoustic neuroma is a tumor that arises from neurolemmocytes surrounding the vestibular portion of the vestibulocochlear nerve. The tumor is benign, but generally grows within the confined space of the petrous part of the temporal bone, thus compressing the nerve and creating problems with balance and hearing loss. What other, nearby nerve would you expect to also be affected by this tumor
Answers
Answer: The nearby nerve that can be affected by this tumour is the FACIAL NERVE.
Explanation:
As stated in the question, the acoustic neuroma is a tumor that arises from the vestibular portion of the vestibulocochlear nerve which is the VIII ( 8th) cranial nerve.
VESTIBULOCOCHLEAR NERVE: These nerves are composed of two distinct sets of fibres, vestibular nerves and cochlear nerves.
The vestibular nerves arise from the semicircular canals of the inner ear and convey impulses to the cerebellum. They are associated with the maintenance of posture and balance. The cochlear nerves originate in the spiral organ in the inner ear and convey impulses to the hearing areas in the cerebral cortex where sound is perceived.
The Facial nerve, also called the 7th cranial nerve, which are the motor fibres that supply the muscles of facial expression. It lies adjacent to the vestibulocochlear nerve as they pass through the internal auditory canal which is located at the petrous part of the temporal bone. As the tumor grows, the facial nerve would be affected because it's the closest nerve to the VESTIBULOCOCHLEAR nerve..
Please Help Me ASAP.
Answers
Answer:
my take on this is B, i would wait for others tho
Explanation:
match the words to the definitions
Answers
Answer:
Homo- means same
tetra- mean 4
Explanation:
Tetra:4 Homo: Same
:) :) :) :) :)
Scientists have discovered convection
currents inside Earth. Explain how these
convection currents move and what layer(s)
they occur in.
Answers
Answer:
The convection currents move in a slow churning motion
Explanation:
This movement happen in the mantle which includes the lithosphere, the Asthenosphere, and the mesosphere
