Nucleus is an exception in a prokaryotic cell. Thus, option A, C and D are correct.
What are the characteristics of a prokaryotes?Prokaryotes are microscopic and primitive cells. Their nucleus is not well developed.
Prokaryotes lack cell organelles like mitochondria, endoplasmic reticulum, Golgi body etc in their cell structure.
Prokaryotes are simple in assembly and are therefore unicellular. A single cell performs all the functions in the body.
Prokaryotes have single chromosome present in their structure. Their DNA is found in the cytoplasm.
Prokaryotes have cilia and flagella for locomotion.
Prokaryotic organisms are found extensively everywhere on earth. They have unique ability to survive in the harsh environments.
Prokaryotes are beneficial in many ways:
Carry out nitrogen fixation.Important for human gut for the absorption of vitamin B12.Helpful in fermentation process.Important in bioremediationTherefore, prokaryotes are important in many ways to the ecosystem.
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what is the creatinine level for stage 3 kidney disease
Explanation: Stage three: For Kidney disease patients whose serum creatinine level is in the range 178-442 umol/L, their GFR usually fluctuates in the range 30-59ml/min/1.73m2 which means kidney function has a moderate decrease.
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The epidermis of the leaf surface has the stoma that can help carbon dioxide diffusive inside the leaf with how many percents?
(sorry, my english is bad)
Answer:
27. 3%
As most c2 are being made on the leafs
Acidic rainwater dissolving rock is an example of
A. oxidation
Bicarbonation
C.hydrolysis
D. salt wedging
Explanation:
oxidation bicarbonation
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After the amino acid chain leaves the ribosome, which organelle then folds, modifies, and transports the protein?
O Lysosome
O Cytoplasm
O Endoplasmic Reticulum
O Ribosome
Answer:
The endoplasmic reticulum
Explanation:
It is not the lysosome because their processes are degrading and recycling cellular waste, and involved in energy metabolism
It is not the cytoplasm because the cytoplasm doesn't do anything itself, it just provides an environment for the rest of the organelles to do their job
It is not the ribosome because the amino acid chain left the ribosome in the question
For secretory, plasma membrane, and organelle proteins, the endoplasmic reticulum (ER) is a significant protein folding compartment. Thus, option C is correct.
What is the role of Endoplasmic Reticulum in folding?A polypeptide chain cannot acquire its right structure and function without protein folding.
Chaperones are HSP that aid in protein folding. Chaperonins are multimeric complexes that fold proteins by forming hollow structures.
Numerous general activities of the endoplasmic reticulum include transporting produced proteins in vesicles to the Golgi apparatus and folding protein molecules into sacs termed cisternae.
Therefore, Endoplasmic Reticulum folds, modifies, and transports the protein.
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All living things are made of cells, but not all cells are the same. While a specific cellglossary term (opens in a new window)’s structureglossary term (opens in a new window) depends on the type of cell, some structures are common to all eukaryoticglossary term (opens in a new window) cells. For example, all eukaryotic cells have a nucleus, membrane-bound organelles, a plasma membrane, and cytoplasmglossary term (opens in a new window). The nucleus of a cell surrounds the genetic material with a membrane. Other structures called organelles are also surrounded by membranes. The membranes around the organelles both protect and isolate, helping the organelles work more efficiently. Organelles perform various vital tasks, and each organelleglossary term (opens in a new window) has a specific structure related to its function. Organelles provide the cell with energy, excrete waste products, and make proteins. All eukaryotic cells also have a plasma membrane that envelopes the entire cell. The membrane has many passages through it. These passages chemically control what can enter or leave the cell. All eukaryotic cells also have cytoplasm. This jelly-like fluid fills the cell’s interior and contains thread-like proteins that help the cell keep its shape.
SUMMERIZED PLEASE ILL give brianly est
Answer:
The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells. The cell is the fundamental unit of structure and function in living things. All organisms are made up of one or more cells. The cell is the basic unit of structure and organization in organisms. Cells arise from pre-existing cells. A cell is the smallest unit that is typically considered alive and is a fundamental unit of life. All living organisms are composed of cells, from just one unicellular to many trillions multicellular. I hope i helped you
Explanation:
Which process causes river gravel to have
rounded edges?
A. abrasion
B. acid rain
C. ice wedging
D. oxidation
A scientist is trying to decide whether an organism is unicellular or multicellular. Which information would help the scientist most to make her decision? A. size of the cells of the organism B. what the organism eats C. how many types of cells are in the organism D. how fast the organism grows
Answer:
how many types if cell are in the organism
a muscle fiber is what level of organization in the body?
A muscle fiber is a CELLULAR level of organization in the body. A muscle fiber is a single muscle cell.
A muscle fiber consists of myofibrils, which are in turn composed of a series of sarcomeres linked in linear order.
The sarcomere represents the functional unit of muscle fiber cells.
Each bundle of muscle fibers is known as fasciculus.
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Metamorphic rocks are common when two continental plates collide because There is a lot of stress when enormous slabs of crust push together Sediment buries rocks to increase pressure O Magma bodies are common because there is a lot of melting O All of these
Answer: Metamorphic rock, estimated to be as old as 3.8 billion years, located near Isua at Qorqut Sound, Greenland.In the rock cycle, there are three different types of rocks: sedimentary, igneous, and metamorphic. Sedimentary and igneous rocks began as something other than rock. Sedimentary rocks were originally sediments, which were compacted under high pressure. Igneous rocks formed when liquid magma or lava—magma that has emerged onto the surface of the Earth—cooled and hardened. A metamorphic rock, on the other hand, began as a rock—either a sedimentary, igneous, or even a different sort of metamorphic rock. Then, due to various conditions within the Earth, the existing rock was changed into a new kind of metamorphic rock.
The conditions required to form a metamorphic rock are very specific. The existing rock must be exposed to high heat, high pressure, or to a hot, mineral-rich fluid. Usually, all three of these circumstances are met. These conditions are most often found either deep in Earth’s crust or at plate boundaries where tectonic plates collide. In order to create metamorphic rock, it is vital that the existing rock remain solid and not melt. If there is too much heat or pressure, the rock will melt and become magma. This will result in the formation of an igneous rock, not a metamorphic rock.
Explanation:
True or False?A group of organs that work together to perform big jobs for your body is an organ system.
Answer:
True :)
Explanation:
an organ system is consisted of a group of organs that work together to carry out a complex function.
Which of the following steps is required before biological processes can break down organic material in wastewater?
Aeration basins
Primary clarifiers
Filtration
Disinfection
The following steps required before biological processes can break down organic material in wastewater is Aeration basins and Primary clarifiers.
Water treatment refers to any technique that enhances the quality of water in order to make it suitable for usage by humans in homes and offices.
There are certain processes involved in the treatment of water. These includes:
screening and pumpinggrit removalprimary clarifiersaerationsecondary clarifiersFiltrationDisinfectionoxygen uptakeIn the screening and pumping process, materials and objects are removed from the entering wastewater using screening machinery. The extracted material is cleaned, crushed, and disposed of in a landfill.
In the grit removal, fine particle materials are eliminated from the wastewater.
Enormous circular tanks are known as clarifiers that receive the materials. Settled material acknowledge as primary sludge, is pushed to the tank's bottom, while the wastewater leaves from the top.
At the aeration stage, the wastewater receives the majority of its treatment. Pollutants are absorbed by microorganisms and turned into cell tissue, H2O, and nitrogen through biological breakdown processes.
The water treatment process was ended with filtration and disinfection to enable the water to be free from bacteria.
Therefore, we can conclude that the steps required before biological processes can break down organic material in wastewater is Aeration basins and Primary clarifiers.
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Unicellular organisms have different structures from each other.Explain why.
Answer:
The reason why is because in the process of reproduction; there are some mistakes in DNA replication (out of billions of base pairs about 120,000 mistakes). This is what brings us so much variation in organisms.
what physical feature of dna is affected by the pairing of purines with pyrimidines?
Answer:
Its width.
Explanation:
The size of pyrimidines and purine is different because each group has a different structure (1 or two rings). Therefore, the width of DNA is "constant".
If we would pair two pyrimidines or two purines, the width of DNA would be different in both cases.
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Which of the four factors that affect evolution apply to the finches that the Grants studied? Use evidence from your research to support your answer.
Answer:
The four factors that affect evolution are mutations, natural selection, genetic drift and the gene flow, In the case, if the ground finches that Grants studied, we can observe the working of the natural selection. Due to change in the conditions in the environment, the large beak was an advantageous trait that was favored by the natural selection. The result of this process was an increase in numbers of large beaked finches and decrease in small-beaked finches compared to the initial numbers in the population.
Explanation:
Factors that affect evolution.
As per the question the evolution is a gradual process that includes the changes in the body of the organisms thereby making them more stronger and dynamic than others. The 4 features that affect evolution are mutations, natural selection, genetic drift, and gene flow.
The answer is thus are a major factor that leads to evolution in specie.
As per the case, Grants studied his works of natural selection. As per the changes associated with the environment, the large beak was an advantageous trait that was favored by natural selection. This leads to the increase in the size of the finches and the decline of other properties. Such a beak size, color, and even behavior. Hence the four-factor to consider are genetic drift, natural selection, adaptation and mutation (evolution).Learn more about the four factors.
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Human activities have caused both acid rain and a global increase in temperature, or global warming. How are these two effects--acid rains and global warming--related to each other? A. Acid rain is a side effect of global warming at the local level B. Acid rain is a side effect of efforts to reduce global warming C. Both acid rain and global warming are caused by the burning of fossil fuels D. Both acid rain and global warming are caused by increased levels of carbon dioxide in the atmosphere
Answer:
c
Explanation:
what do you think would happen to a population of bacteria in a petri dish over time in ideal condition?
Answer:
the bacteria would continue to grow untill the agar is completly corroded as the bacteria eats away at it, after the agar is consumed the bacteria would die away as it doesnt have the sufficient nutrients to live
Explanation:
_____ was the first taxonomist to group animals by blood color and plants by size and shape.
Answer:
Linneaus was the first taxonomist to group animals by blood color and plants by size and shape.
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Answer:
Biodiversity
Explanation:
The correlation between surroundings and the animals or creatures living inside an ecosystem anywhere is called biodiversityThe ship is working as a shelter for fishes.So they have started living inside and also reproducing themselves.It also shows that for food they have to come outside which is not present inwardsWhich term names the types of elements usually found in meteorites?
Answer: minerals—pyroxenes, olivines, and feldspars—dominate the stony meteorites. Metals—kamacite and taenite—along with small amounts of schreibersite and cohenite dominate iron meteorites. The following list is a short guide to selected minerals found in meteorites.
Explanation:
Answer:
metals
Explanation:
i took the test
•Is kidney dialysis similar to active or passive transport? Elaborate on your answer.
Dialysis is a passive process that favors the transport of small molecules across a semipermeable membrane.
why does max scherzer have two different colored eyes?
Answer:
he has heterochromia iridis
Explanation:
Scherzer has an uncommon condition called heterochromia iridis that affects less than 200,000 people in the United States. The condition, which in most cases doesn't damage the eyes, is caused by the distribution and levels of melanin in the irises
x+-2/3=4/5 respuesta
Answer:
x = 1 7/15
The answer is 1 7/15
Respuesta: x=22/15
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the brain and spinal cord are components of the ______ nervous system, while the nerves and ganglia are components of the ______ nervous system.
The brain and spinal cord are part of the central nervous system, while the nerves and ganglia are part of the peripheral nervous system.
What is the nervous system?The nervous system is a set of structures that has the function of :
Maintaining homeostasis inside the body.Regulating mental activity.Reacting to the environment.What are the parts of this system?This system is mainly divided in:
Central: This includes the brain and spinal cord; these organs are considered part of the central system because they are located in the center of the body and they receive information from all the nervous structures in the body.Peripheral: This includes structures such as nerves and ganglia. The peripheral system differs from the central system because these structures can be found in organs, limbs, among others or the "sides" of the body.Learn more about nervous system in: https://brainly.com/question/13487019
hybrid zones provide an opportunity to investigate _____.
Answer:
Hybrid zones are geographical areas where two interbreeding groups of genetically unique organisms meet. Hybrid zones provide an opportunity to investigate Reproductive isolation and Speciation.
Explanation:
Which two climates have very low levels of precipitation?
dry and polar
polar and highlands
highlands and temperate marine
temperate marine and temperate continental
Answer:
arid and semiarid
Explanation:
Because they are the lowest in the climate areas. hope this somewhat helps you out
~dry and polar: cold air cant hold as much water vapour as warm air, so precipitation is less likely.
Hope this helped you- have a good day bro cya)
an individual with a antigens on their rbcs but no b antigens has which abo blood type?
Answer:
BLOOD TYPE O
Explanation:
The ABO Blood Group
People can also have both A and B antigens on their erythrocytes, in which case they are blood type AB. People with neither A nor B antigens are designated blood type O.
what is the role of the enzyme aromatase in sexual differentiation in reptiles?
Answer:
Aromatase helps to convert sex steroids, a group of hormones that influence sex development and reproduction, from male sex hormones (androgens) to female sex hormones (estrogens)
Explanation:
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How is coal and petroleum formed
Answer:
Coal and petroleum are formed as a result of degradation of ancient plant life which lived millions of years ago. These dead plant matter started to pile up, eventually forming a substance called peat. Over time, heat and pressure from geological processes transformed these materials into coal.
Explanation:
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how long does it take for a body to decompose underwater
Answer:
Even a weighted body will normally float to the surface after three or four days, exposing it to sea birds and buffeting from the waves. Putrefaction and scavenging creatures will dismember the corpse in a week or two and the bones will sink to the seabed.
Explanation:
Hope it helps!!
Answer:
According to the Australian Museum, in the summer, a body can completely decompose in as little as nine days.
Explanation:
How many chromosomes does a average corvid have?
Answer:
In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, called autosomes, look the same in both males and females. The 23rd pair, the sex chromosomes, differ between males and females.
Explanation:
by the way what is corvid
