Glycoproteins are proteins with carbohydrates attached. Nucleosomes are units of DNA coiled around histone proteins. Nuclear pore complexes are channels in the nuclear envelope. Cristae and cisternae are structures in mitochondria and the endoplasmic reticulum. Plasmodesmata are channels in plant cell walls. Prions are misfolded proteins that cause diseases. Intermediate filament typing refers to categorizing the type of intermediate filaments in a cell.
Glycoproteins are molecules made up of both protein and carbohydrate.
They play an important role in cell-cell recognition and adhesion, as well as in the immune system's response to foreign substances.
Nucleosomes are the basic building blocks of chromatin, which is the complex of DNA and protein that makes up chromosomes.
Nucleosomes are composed of DNA wrapped around a core of histone proteins.
The nuclear pore complex is a structure in the nuclear membrane that regulates the movement of molecules between the nucleus and the cytoplasm.
It is made up of over 30 different proteins and allows the transport of proteins, RNA molecules, and other important molecules.
Cristae are the folds in the inner mitochondrial membrane that increase its surface area, allowing for more efficient production of ATP, which is the cell's primary energy source.
Cisternae are flattened sacs that make up the Golgi apparatus, which is responsible for modifying, sorting, and packaging proteins and lipids for transport within the cell or secretion outside of the cell.
Plasmodesmata are channels that allow for communication and exchange of molecules between adjacent plant cells.
They are lined with plasma membrane and cytoplasm and facilitate the movement of small molecules, including RNA and proteins.
Prions are misfolded proteins that can cause a variety of neurodegenerative diseases, such as Creutzfeldt-Jakob disease and mad cow disease.
They have the ability to convert normal proteins into the misfolded form, leading to a progressive accumulation of the abnormal protein in the brain.
Intermediate filament typing refers to the classification of intermediate filaments, which are a type of cytoskeletal protein that provides structural support to cells.
There are several types of intermediate filaments, such as keratin, vimentin, and neurofilament, which are found in different types of cells and tissues throughout the body.
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describe how impulse are transmitted across a synapse
A tiny electric message moves through a long part of a brain cell called the axon. When a message goes to the end of a nerve, it sends chemicals called neurotransmitters. These substances move through a tiny gap and attach to special parts of another nerve cell's outer covering.
What are the impulse?Messages called impulses are sent from one nerve cell to another through a connection called a synapse. This process is called synaptic transmission. Synapses are connections between nerve cells or between nerve cells and other cells, like muscles or glands.
The neuron sending the signal is called the presynaptic neuron. When a signal travels down a nerve cell, it causes little sacs called vesicles to release chemicals called neurotransmitters.
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a certain hormone activates the camp second messenger system in its target cells. which of the following would yield the greatest response by a target cell?
The hormone activates the camp second messenger system in its target cells. that would yield the greatest response by a target cell is adrenaline.
What is camp second messenger system?This refers to intracellular signaling molecules released by the cell in response to exposure to extracellular signaling molecules. Second messengers give rise to physical changes. When it occurs in the cells, it gives rise to proliferation, differentiation, migration, survival, apoptosis, and depolarization.
Some hormones that activate the camp's second messenger system in its target cells are adrenaline, glucagon luteinizing hormone etc.
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Julia, an economics professor, is giving a presentation on her research. What presentation delivery method should Julia use if she wants to broadcast her lecture to various places in real time?
A.
external monitor
B.
overhead projector
C.
presentation sharing website
D.
webcast
Answer:Webcast
Explanation:Plato
Which is a characteristic of diatoms?
Diatoms have two distinct shapes: a few (centric diatoms) are radially symmetric, while most (pennate diatoms) are broadly bilaterally symmetric.
What are Diatoms?Any member of the vast group of several genera of microalgae that can be found in the world's oceans, streams, and soils is referred to as a diatom.
Diatoms can photosynthesize, which allows them to change the dissolved carbon dioxide in the water into oxygen.
For higher-ranking organisms in the food chain, like invertebrates and tiny fish, they serve as a major source of food. In the energy and nutrition cycles of water resources, diatoms can also be vital players.
Diatoms can be divided into two shapes: pennate diatoms, which make up the majority, are broadly bilaterally symmetric, and central diatoms, which make up the minority.
Thus, these are the characteristics of diatoms.
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compare the functions of lysosomes, vacuoles and peroxisomes
Answer:
lysosomes which are also referred to as killer bugs destroy viruses that enters the body, while the vacuole helps to maintain water balance and the peroxisomes helps in oxidation reaction and metabolism
The length of a DNA double helix increases by 0.34 nm (nanometres) for every pair of nucleotides. The total number of nucleotides in a human body cell is
\(1.2 \times {10}^{10} \)
Calculate the total length of a double helix in a human body cell (answer to be given in meters)
Answer:
If you multiple 1.02 × 2 = 2.04 meter, it is the total length of DNA in human diploid cells.
Explanation:
Stanley wants to do a research project on the impact of using paper bags versus plastic bags. Which question could he use as a research question to guide his search for information?(1 point
A Do more people use paper or plastic bags when shopping?
B Are plastic bags more popular than paper bags?
C Are paper bags less expensive than plastic bags?
D Do paper bags cause less pollution than plastic bags?
The most appropriate research question that Stanley could use to guide his search for information on the impact of using paper bags versus plastic bags is: Do paper bags cause less pollution than plastic bags? Therefore the correct option is option D.
This question directly addresses the environmental effect of paper and plastic bags, which is a major point of contention in the argument over which type of bag to use.
It is also a focused and specific research question that can help Stanley direct his research and draw clear conclusions based on the evidence he discovers. Therefore the correct option is option D.
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This experiment represents a crude way to determine the percent efficiency with which a primary consumer converts the mass of the primary producer represented here by medium containing mallow plants so it's own biomass what are some flaws and how this experiment is designed?
Answer:
The experiment mentioned in the question is not fully described, therefore it is difficult to determine the specific flaws and design issues of the experiment. However, here are some general flaws and design issues that could be present in an experiment that tests the efficiency of a primary consumer in converting the mass of a primary producer to its own biomass:
1. Lack of control over variables: If the experiment is not well-controlled, there could be other factors that affect the efficiency of the primary consumer in converting the biomass of the primary producer to its own biomass. For example, the temperature, light, or nutrient availability of the environment could affect the results.
2. Inadequate sample size: If the sample size is too small, the results of the experiment may not be representative of the population as a whole. A larger sample size is generally more reliable.
3. Measurement errors: Errors in measuring the mass of the primary producer and the primary consumer could affect the accuracy of the results. A balance with a low precision could lead to inaccurate measurements.
4. Lack of replication: Replication is important in scientific experiments to ensure that the results are consistent and reliable. If the experiment is not replicated, it may be difficult to determine whether the results are due to chance or a real effect.
5. Limited scope: The experiment described in the question focuses only on a single primary producer and a single primary consumer. In a more comprehensive experiment, multiple primary producers and primary consumers should be included to increase the generalizability of the results.
Overall, to design a good experiment to determine the efficiency of a primary consumer in converting the mass of a primary producer to its own biomass, the experiment should be well-controlled, have an adequate sample size, minimize measurement errors, include replication, and have a comprehensive scope.
how are sister chromatids and homologous chromosomes different from each other? see concept 13.3 (page)
Answer:
See explanation
Explanation:
Sister chromatids and homologous chromosomes are both types of chromosomes that are present in the nucleus of eukaryotic cells. However, they are different from each other in several important ways:
Origin: Sister chromatids are formed during the process of DNA replication, when the double-stranded DNA molecule is replicated to produce two identical copies of the chromosome. Homologous chromosomes, on the other hand, are formed during meiosis, when the chromosomes are shuffled and recombined to produce genetically diverse gametes.
Number: Sister chromatids are always present in pairs, as they are formed during DNA replication. Homologous chromosomes, on the other hand, are present in pairs in diploid cells, but only one copy of each chromosome is present in haploid cells.
Function: Sister chromatids play a crucial role in the process of mitosis, as they are responsible for ensuring the accurate segregation of genetic material during cell division. Homologous chromosomes, on the other hand, play a role in sexual reproduction, as they allow for the shuffling and recombination of genetic material during meiosis.
Structure: Sister chromatids are identical copies of a single chromosome and are joined together at a structure called the centromere. Homologous chromosomes, on the other hand, are similar but not identical copies of each other, and they are not joined together at the centromere. Instead, they are held together by their corresponding genes, which are located at specific positions on the chromosome called loci.
List 2 things that bacteria cells DO NOT have in common with other Living organisms?
Answer:
Bacteria lack many of the structures that eukaryotic cells contain. For example, they don't have a nucleus. They also lack membrane-bound organelles, such as mitochondria or chloroplasts. The DNA of a bacterial cell is also different from a eukaryotic cell.
Answer:
they lack on membrane- bound organelles and they don't have a nucleus
Explanation:
hope this helps
What three things do you need for thunderstorm formation
Cold dry air, upward vertical motion, divergence aloft
Warm moist air, upward vertical motion, mixing aloft
Warm moist air, downward vertical motion, divergence aloft
Warm moist air, upward vertical motion, divergence aloft
Answer:
Warm moist air, upward vertical motion, divergence aloft
Explanation:
I just took the test and got it right
Warm moist air, upward vertical motion, divergence aloft three things do you need for thunderstorm formation
what is motion ?motion is the change of position of an object with respect to time. A book falling off a table, water flowing from the tap, rattling windows, are called motion.
The basic things of a matter that is the atom is in constant motion and Every physical process in the universe is composed of motion.
The Motion is mainly described in different terms such as Distance, Displacement, Speed, Time
According to the nature of the movement, motion can be three types such as Linear Motion, Rotary Motion, Oscillatory Motion
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Does weather disturbance have beneficial effects?
Answer:
They are able to promote changes to the physical structure of the system.
Explanation:
Please help. I need this now.
When Mendel was doing his dihybrid cross experiment, he looked at 2 traits (seed color and shape) as opposed to his monohybrid cross, where he looked at 1 trait (flower color). What was Mendel able to illustrate by doing this experiment?
WILL GIVE 5 AND BRAINLIEST
Answer:
Dihybrid Cross In a dihybrid cross experiment, Mendel considered two traits, each having two alleles. He crossed wrinkled-green seed and round-yellow seeds and observed that all the first generation progeny were round-yellow.
Explanation:
Have a blessed day =)
Answer:
Explanation:
I am not sure
There are thirteen species of finch found on the Galapagos Islands. These finches are commonly referred to as “Darwin’s Finches” and are a common example of natural selection and adaptive radiation.
Which question would MOST help a scientist determine the level of biodiversity, that exists among the thirteen species of finch on the Galapagos Islands?
Question 6 options:
What is the most common beak color among the finches?
How many finches are more than five years old?
Which species of finch has the greatest average mass?
What variation exists between the species for traits like beak size and shape?
Answer:
What variation exists between the species for traits like beak size and shape?
Explanation:
If the question is looking for biodiversity, the answer would include variation.
1. Catalytic converters reduce which of the following pairs of pollutants in car exhaust? a.)Carbon dioxide and ozone
b.)Carbon monoxide and hydrocarbons
c.)Carbon dioxide and particulates
d.) Lead and mercury
e.)Methane and particulates
Answer: B
Explanation: By most estimates, catalytic converters fitted inside the exhaust pipe of a gasoline-operated car convert over 90% of hydrocarbons (HC), carbon monoxide (CO) and nitrogen oxides (NOx) from the engine into less harmful carbon dioxide (CO2), nitrogen and water vapour.
The catalytic converter used in the exhaust of the cars reduces carbon mono oxide and hydrocarbons.
What is a catalytic converter?The catalytic converters are the devices used in the exhaust of the vehicles run on petrol and diesel.
They convert the harmful toxic gases into the less harmful pollutants by a redox reaction.
By most estimates, catalytic converters fitted inside the exhaust pipe of a gasoline-operated car convert over 90% of hydrocarbons (HC).
carbon monoxide (CO) and nitrogen oxides (NOx) from the engine into less harmful carbon dioxide (CO2), nitrogen, and water vapor.
Thus the catalytic converter used in the exhaust of the cars reduces carbon mono oxide and hydrocarbons.
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If a mRNA strand was as follows: UACCAGUUGCGA, how many codons
does it have?
a. one
b. three
c. twelve
d. four
Answer:
Option B) three
I hope this might help u
Earthquake waves travel in all direction from the focus of an earthquake.
T
F
If you go to the movie theater and eat a large bag of popcorn with salt, after few minutes, your plasma salt concentration will o increase O decrease. o be at the normal level. O increase and then decrease. o decrease and then increase. our screen Ston sharing Hide
If you go to the movie theater and eat a large bag of popcorn with salt, after a few minutes, your plasma salt concentration will (D) increase and then decrease.
The quantity of sodium and potassium present in blood plasma, as well as the volume of body water, determine the serum sodium concentration.
A rapid rise in plasma salt concentration and blood pressure will follow an increase in the amount of salt consumed, which can be caused by a single meal, however, this rise will be followed by a fall as a result of an increase in glomerular filtration rate (GFR).
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explain the function of a vacuole in plant cells.storage, waste disposal, protection, and growth.
Red blood cells will do this if they encounter the wrong antibodies...
A no reaction will occur
B swell
C agglutinate
D dehydrate
why is cycling carbon important
Answer:
The carbon cycle describes the way the element carbon moves between the Earth's biosphere, hydrosphere, atmosphere, and geosphere. It is important for a few reasons: Carbon is an essential element for all life, so understanding how it moves helps us to understand biological processes and factors that influence them.
Explanation:
Answer: Emissions of Carbon and other greenhouse gasses are a majoy factor in Gloabal Warming.
Which of the following is a cost of mining aluminum from new bauxite
deposits?
A. It requires a large amount of energy.
B. It can be recycled over and over again.
C. It takes less energy to transport this lightweight metal.
D. It helps preserve plants and animals in rain forests.
Answer:
The process is high-energy intensive (the alternative answer)
Explanation:
What is the independent variable?
What is the dependent variable?
According to Kinsey's sexual behavior study, approximately
percent of
men and
percent of women had sexual intercourse by the age of 16.
Someone help me
According to Kinsey's sexual behavior study, approximately 21 percent of men and 6 percent of women had sexual intercourse by the age of 16. (Please mark me brainliest! thank you in advance!!)
The soil on a farm is being blown away by the wind. Which of these methods would best conserve the soil on this farm?
plow the soil more often
put more fertilizer in the soil
plant only one type of crop on the farm
place a row of trees that surround the farm
Answer:
place a row of trees that surround the farm
Explanation:
Select the correct answer.
According to United Nations predictions, what will be the total population of the world by 2100?
O. A. 9 billion
OB.
O C.
OD.
OE.
10 billion
11 billion
40 billion
8 billion
According to the United Nations, total population of the world is projected to reach approximately 10.9 billion by 2100. Therefore, option C, 11 billion, is the closest to correct answer.
According to United Nations predictions, what will be total population of world by 2100?According to a new United Nations report released today, the present global population of 7.6 billion people will increase to 8.6 billion in 2030, 9.8 billion in 2050, and 11.2 billion in 2100.
The global population in 2021 was 7.9 billion. According to the UN's 2022 estimate, there will be 9.7 billion people on the planet in 2050 and roughly 10.3 billion by the year 2100.
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Which if the following is not a unit for work ?
A. Foot pounds
B. Joules
C. Miles per hour
D. Newton’s meters
Answer:
C
Explanation:
Work is equal to forces times distance
another word for prokaryote is what
Another word for prokaryote is : being, procaryote.
Another name for prokaryote is: Archaea and Bacteria .
The wavelengths of light used in photosynthesis are found in the _________ portion of the electromagnetic spectrum.
Answer:
Visible light
Explanation:
Photosynthesis is a unique phenomenon in which plants use sunlight energy, which is a type of electromagnetic radiation, to manufacture their food. During this process, certain pigments in the leaves of plants called CHLOROPHYLL absorbs the blue and red wavelengths of light ranging from 400nm - 700nm.
However, these wavelengths of light (blue and red) that are used during the photosynthetic process are found in the VISIBLE LIGHT PORTION of the electromagnetic spectrum. The visible light is the only part that can be made use of by photosynthetic pigments.
Which section of the article BEST explains how
mole rats developed the strange metabolic
strategy?
A
"Super-Tolerant To Low Oxygen Conditions"
B
"Mice, Naked Mole Rats Differ In Tests"
С
"Blood Fructose Levels Start To Rise"
D
Metabolism Switch Gives Them Boost Of
Energy
Answer:
D
Explanation:
is D because is the only one who talk about more about metabolism. I hope it help you