Hemoglobin is a protein involved in oxygen transport. Myosin is a protein found in muscles. Which sentence describes these proteins?
O A. They can swap their functions when the body requires it.
OB. They can change their structures when the body needs more of a different type of protein.
O C. They have the same amino acid sequence and are just folded differently.
O D. Their structures are based on the amino acid sequences in their polypeptides.
Answers
The similarities between hemoglobin and myoglobin are They have the same amino acid sequence and are just folded differently. The protein in red blood cells is called hemoglobin which transports oxygen to the tissues. Tissue oxygenation and an adequate hemoglobin level should be an adequate level for survival.
Myoglobin is a monomeric protein that is mostly found in muscle tissue and serves as an intracellular oxygen storage site, whereas hemoglobin is a heterotetrameric oxygen transport protein that is found in red blood cells (erythrocytes).
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Related Questions
I don't really know how to do this , does anyone know ?
Answers
Answer:
area A
Explanation:
area b floor is being protected by grass, shrubs and trees, holding the soil in place with their roots.
also, area a has sabd, which washes away in water Easter than soil.
NEED HELP ASAP WILL MARK. BRAINLIEST
The following graph was constructed using data collected while growing E. coli on a large petri dish with unlimited food and after optimal temperature of 37 Celsius
Answers
Answer: See Below
Explanation:
1. E. coli growth is a logarithmic curve. It is characterized by a sudden increase in population. This is the point at which the cells are healthiest. The curve then tapers off due to limited amounts of space and food supply.
2. See Attached photo, death phase would occur. Limited nutrients will cause the cells to die off as it is used up.
3. In a larger container the growth curve and shape would remain the same however there would be an overall increase in the number of cells.
4. The bacteria would likely grow very quickly to fill the surrounding space and then growth would slow but be consistently upwards at a constant rate.
2. This membrane protein changes its shape when certain molecules are bound to it.
Answers
Because lipid molecules are small compared with protein molecules, there are always many more lipid molecules than protein molecules in membranes—about 50 lipid molecules for each protein molecule in a membrane that is 50% protein by mass. Like membrane lipids, membrane proteins often have oligosaccharide chains attached to them that face the cell exterior. Thus, the surface that the cell presents to the exterior is rich in carbohydrate, which forms a cell coat,
How do punnets squares use genetics
Answers
how we can distinguish the location of each researcher on research( their university)
Answers
Such a central database doesn't exist, certainly not one that includes all researchers working in a particular field.
Even though it's a rather ambiguous mapping, one of the best options I can think of is to query for all publications in as many influential venues of the field you're interested in using DBLP (or a queryable part of it, like Faceted DBLP), and then filter the linked authors based on their foaf: homepage attribute.
This may at least give you a rough idea of the institution (and therefore the nation) the researcher is (or was?) involved with. (Very unstable; however, it might be close to being better than nothing.) –
I believe using the websites of the principal pertinent institutions is your best course of action. However, it will take a lot of work.
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FIFTY POINTS PLEASE HELP ME!!!!!a)Describe two ways of measuring biodiversity. Explain the relationship between biodiversity and ecosystem stability. As part of your explanation, discuss how susceptibility to disease in agricultural crops and in isolated tribal human populations provides evidence that supports this idea.
b) Write a hypothesis about the effects of biodiversity on an ecosystems reaction to adverse conditions such as drought.
c) Design an experiment to test your hypothesis from Part B. Describe the overall investigation to be done, the variables to be changed, the variables to be kept constant, the subjects to be used, the control and experimental conditions to be used, the type of data collected, and how the data will be collected. Explain why these data can be used to justify drawing a conclusion about the validity of the hypothesis.
d) Suppose a wildfire wipes out all but a small patch of a forest, creating a bottleneck event for several species of plants in the patch. Describe changes to the biodiversity of the patch and predict the ability of this surviving ecosystem fragment to remain stable over the next few years when insect pests move in. Explain your reasoning.
Answers
A) Two ways of measuring biodiversity:
Species Richness: Species richness refers to the number of different species present in a particular area or ecosystem.
Species Evenness: Species evenness measures the relative abundance of different species within an ecosystem. It examines the distribution and balance of individuals among species.
Relationship between biodiversity and ecosystem stability: Biodiversity is closely linked to ecosystem stability. A higher level of biodiversity generally enhances the stability of an ecosystem, making it more resilient to disturbances and environmental changes. This relationship can be attributed to factors like Redundancy and Complementary Interactions.
Evidence from susceptibility to disease in agricultural crops and isolated tribal populations:
The susceptibility to disease in both agricultural crops and isolated tribal human populations can provide evidence supporting the importance of biodiversity for ecosystem stability.
In agricultural crops, monocultures (the cultivation of a single crop) with low biodiversity are more vulnerable to disease outbreaks. When a single crop dominates a large area, pests and diseases can easily spread, causing significant losses.
Similarly, isolated tribal human populations with limited genetic diversity often face higher susceptibility to diseases. Due to their isolation and limited gene pool, these populations may lack genetic variation and adaptive potential to resist novel diseases.
B) Hypothesis about the effects of biodiversity on an ecosystem's reaction to adverse conditions such as drought:
Hypothesis: Ecosystems with higher levels of biodiversity will exhibit greater resilience and recovery in response to adverse conditions such as drought compared to ecosystems with lower levels of biodiversity.
C) Experiment to test the hypothesis:
Overall Investigation: The experiment aims to compare the response of two ecosystems, one with high biodiversity and the other with low biodiversity, to drought conditions.
Variables to be changed:
Biodiversity level: Two study sites with contrasting levels of biodiversity will be selected, one representing high biodiversity and the other representing low biodiversity.
Variables to be kept constant:
Environmental conditions: Ensure that environmental factors, such as temperature, sunlight exposure, and soil type, are similar for both study sites.
Subjects to be used:
Select two similar ecosystems (grasslands, forests) with contrasting levels of biodiversity.
Control and Experimental Conditions:
Control: Ecosystem with low biodiversity (monoculture or simplified community)
Experimental: Ecosystem with high biodiversity (diverse plant and animal species)
Type of data collected:
Vegetation data: Monitor changes in plant species composition, density, and growth rates in response to drought.
Animal data: Record species diversity, abundance, and behavior of animals in both ecosystems.
Data collection method:
Data will be collected through field observations, vegetation sampling, animal surveys, and soil sampling. The data can be analyzed using statistical methods to compare the responses of the two ecosystems to drought.
Justification for drawing a conclusion:
By comparing the responses of high-biodiversity and low-biodiversity ecosystems to drought conditions, the data collected will provide insights into the relationship between biodiversity and ecosystem resilience.
Statistical analysis can help determine whether ecosystems with higher biodiversity exhibit greater stability and recovery in the face of adverse conditions like drought.
D) Changes to the biodiversity of the surviving ecosystem fragment and its stability over the next few years when insect pests move in:
The wildfire that wiped out most of the forest would result in a significant decrease in biodiversity within the surviving patch. The plant species diversity would be greatly reduced, and some specialized or rare species might be lost completely.
The surviving ecosystem fragment would experience a bottleneck event, leading to reduced genetic diversity among the remaining plant species.
As insect pests move into the patch, the reduced biodiversity and genetic diversity would make the ecosystem fragment more vulnerable to their impact.
With limited species and genetic variation, the surviving plants would have fewer natural defenses against pest outbreaks.
The reduced biodiversity and genetic diversity in the ecosystem fragment would limit the capacity of the remaining plants to adapt to the pests' presence.
Without the buffering effect of diverse species interactions and genetic variability, the ecosystem fragment may struggle to maintain ecological balance and may experience more significant disruptions in ecological processes.
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PLEEASEEE IT IS URGENT I NEED THE ANSWER NOW!
Which best describes respiration?
A. a cell process that releases energy from food
B. a cell process that converts carbon dioxide into energy
D. a plant process where chlorophyll produces sugar energy
.... ..
..... .... ... ..
Answers
Answer:
A. a cell process that releases energy from food
Explanation:
Answer:
It would be B, hope that helped
does osmosis need energy? NEED TO KNOW ASAP!
Answers
Answer:
Osmosis don't require the cell to expend any of its own energy, as they are passive processes.
Explanation:
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what does it mean for a gene to be turned off or not expressed
Answers
Answer:
gene regulation
Explanation:
each cell expresses only a fraction of it's genes.expresses or turns on means that protein is being produced from that gene.the rest of the genes are turned off or repressed meaning that no protein is being produced from those genes.
Would you be bothered if you were in a restaurant and people came in wearing scrubs? Why or why not?
Answers
Scrubs are accepted in restaurants because scrubs have become medical uniforms worn by the medical practioners.
What is Scrubs?Scrubs are a type of sanitary clothing worn by physicians, nurses, dentists, and other workers. It is worn by those who are involved in patient care.
The garment was initially a gown but now includes the shirt and pants worn by scrubs for surgery. Wearing scrubs has become a trend in the profession, as has wearing a white coat or carrying a stethoscope.
Scrubs were in one color, but often came as a dull blue (known as Dr. blue) or mint green. Scrubs are made of cotton, but scrubs made of a blend of polyester and cotton to maintain a wrinkle free dress.
Thus, scrubs are accepted in restaurants because scrubs have become medical uniforms worn by the medical practioners.
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Select which of the following are mechanisms used by pathogens to avoid host defenses and to successfully colonize the host.
-Producing siderophores to obtain iron from the host for growth.
- Producing IgA proteases for avoiding secretory IgA.
-Avoiding secretory IgA by rapid turnover of pili.
-Producing adhesions for damaging host cells.
-Producing toxic substances to suppress host responses.
Answers
Answer:
Producing toxic substances to suppress host response
How do you feel about the way people worldwide view the problem of Climate Change?
Answers
Answer:
There is a wide range of views on climate change across the world. While many people understand and acknowledge the scientific evidence that climate change is happening and that human activities are contributing to it, others are more skeptical and deny the reality of climate change altogether. Some people may also acknowledge climate change but are unsure of how to address it, while others may recognize the issue but feel that it is not a priority compared to other pressing problems.
Overall, the level of concern and action taken on climate change varies greatly between different countries and communities. Some countries have made significant strides in reducing their carbon emissions and adopting more sustainable practices, while others have been slower to act or have even actively resisted climate action.
It is clear, however, that climate change is a global problem that affects us all, and concerted global action is needed to mitigate its effects and ensure a sustainable future for all.
Explain why rainforests are important to Western medicine.
Which of the three substances has the greatest porosity?
a.
gravel
b.
sand
c.
silt
d.
all are equal
Answers
Rainforests are important to Western medicine because they are home to a vast array of plant and animal species that have been used for centuries in traditional medicine by indigenous people. Many of these species contain compounds that have been found to have therapeutic properties and have been developed into drugs and treatments for various medical conditions, including cancer, malaria, and hypertension.
B. Sand typically has the greatest porosity, meaning it has the most open spaces or pores compared to gravel and silt. This allows water and air to move more easily through the substance.
____ is the process in which light energy is transformed into food energy.
life
photosynthesis
abiotic
biotic
Answers
Option B: Photosynthesis.
Answer:
B
Explanation:
I did the test
What is the difference between white and red blood cells?
A. Red blood cells hold oxygen; white blood cells hold carbon
dioxide.
B. Red blood cells carry oxygen; white blood cells fight disease.
C. Red blood cells are in arteries; white blood cells are in veins.
D. Red blood cells are pulmonary; white blood cells are circulatory.
Answers
Answer:
Red blood cells carry oxygen; white blood cells fight disease.
Explanation:
Confirmed, just did it.
Red blood cells carry oxygen; white blood cells fight disease. Therefore, option "B" is correct.
What are red blood and white blood cells?The blood cells are produced in the bone marrow of the bones and are present in the blood. A protein found in red blood cells that transports oxygen from the lungs to every cell in the body is hemoglobin.
The immune system of the body is constituted of white blood cells. They empower the body's defense against disease and infection. Granulocytes, monocytes, and lymphocytes (T and B cells) are examples of white blood cells.
Red platelets or RBCs convey oxygen to the tissues in various pieces of the body. By producing antibodies, white blood cells, or WBC, strengthen the body's defenses. The complete blood test is used to detect disease.
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For the cloning lab, you processed two tubes, one with the plasmid (+pGLO), one without the plasmid (-pGLO). The solutions were then plated on the LB, LB/amp and LB/amp/ara plates. The (+pGLO) on LB/amp served as a(an)
Answers
In the cloning lab, one processed two tubes, one with the plasmid (+pGLO) and one without the plasmid (-pGLO), and the (+pGLO) on LB/amp served as the experimental plate where the gene glows ,so the option c is correct.
What is the significance of the (+pGLO) tube?The +pGLO tube contains bacteria transformed with the pGLO plasmid that have a gene for antibiotic resistance and a gene for fluorescence, so the bacteria on the LB/amp/ara plate serve as a control, and based on the control, sensitive and resistant bacteria are differentiated.
Hence, in the cloning lab, one processed two tubes, one with the plasmid (+pGLO) and one without the plasmid (-pGLO), and the (+pGLO) on LB/amp served as the experimental plate where the gene glows ,so the option c is correct.
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The question is incomplete, the complete question is the below,
For the cloning lab, you processed two tubes, one with the plasmid (+pGLO), one without the plasmid (-pGLO). The solutions were then plated on the LB, LB/amp and LB/amp/ara plates. The (+pGLO) on LB/amp/ara served as a(an) ________________________
Group of answer choices
a) control to see if transformation worked and bacteria are now antibiotic-resistant
b) control to see if bacteria survived the process of transformation
c) the experimental plate where the gene glows
d) the experimental plate where the gene of interest is expressed
group of students is walking in the park, and one of them takes a picture of a pollen grain that is being blown by the wind. What caption can the student use for this picture?
gene mutation in action
gene flow at work
genetic drift as it happens
natural selection in progress
Answers
Answer:The answer is "gene flow at work."
Explanation:
If all of the large, dead trees
were removed from the
ecosystem, what would
happen to the barred owl
population in that ecosystem?
A. The barred owl population in that ecosystem would stay the same size.
B. The size of the barred owl population in that ecosystem would decrease.
C. There would be no change in the barred
owl population.
D. The amount of barred owls the ecosystem can support would increase.
Answers
The size of the barred owl population in that ecosystem would decrease.
Reduced biodiversity, or the variety and richness of various kinds of animals and plants in a given setting, is the main consequence of habitat degradation. An animal's population rapidly declines as it draws closer to extinction when it loses the habitat or natural home that it requires to survive.A proportional drop in the number of animals inhabiting a given landscape is predicted to result from habitat destruction. One might anticipate a drop in animal abundance of 50%, for instance, if 50% of a forest environment that supports a big population of an animal is destroyed.similarly, If all of the large, dead trees were removed from the ecosystem, The size of the barred owl population in that ecosystem would decrease.learn more about ecosystem here:
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 Which would be worse a change in DNA or a change in mRNA & why
Answers
Answer:
i think its DNA
Explanation:
im not sure
An atom with 2 protons 1 neutron, and 2 electrons into a cation
Answers
Answer:
Atoms are made up of particles called protons, neutrons, and electrons, which are ... Within the main group elements ( Groups 1-2, 13-18), there are some general ... (via loss of electrons), the ion is positively charged and is called a cation.
Explanation:
9
B There are two missing words in each question Put them in
Example:
8
your parents got jobs and, if so, what they do?
Have your parents got jobs, and if so, what do they do?
When trains for London leave and how much a return ticket?
6
7
Where you buy your new mobile phone and how much it cost?
Where you last night and what you do?
Where I buy a cheap computer in this town and how I get there?
Answers
Answer:
that's all I can.
hope it helps. good day.
4
OPEN ENDED QUESTION
What is the rock cycle? Answer in 2-4
sentences, including the words below:
Igneous
Sedimentary
Metamorphic
Lithification
Weathering
(?
Answers
Rock cycle involves rocks formation to different types of rocks through different external factors. These factors include weathering and erosion, high pressure and high temperature.
What is the rock cycle?
The rock cycle, also known as the lithological cycle, is the geological process through which rocks transform.
During the cycle, rocks suffer transformations that lead them to change from one type to another, turning into igneous, sedimentary, and metamorphic rocks.
The cycle begins when magma rises to the Earth's surface, where it gets cold, solidifies, and turns into igneous rocks.
Igneous rocks can suffer three types of transformations,
If they remain on the Erth's surface, they can suffer weathering and erosion, breaking, and producing small rocky fragments that deposit as sediment. Eventually, these sediments gather and compact, turning into sedimentary rocks through lithification.If they get buried under several layers on the ground, they can suffer a change of temperature and pressure, turning into metamorphic rocks. If they get even deeper under the crust, they can melt and become magma again.Sedimentary rocks are composed of rocky sediments from other rocks and the remains of living beings that get stuck within the sedimentary layers.
Sedimentary rocks can suffer the same three types of transformations,
If they remain on the surface, they suffer weathering and erosion and produce new sediment.If they get buried, they turn into metamorphic rocks due to changes in temperature and pressure.If they are transported under the crust, they can melt and become magma.Finally, metamorphic rocks are produced underground when other rocks suffer changes.
Metamorphic rocks have two destinies,
If they remain on the surface, they suffer weathering and erosion and produce new sediment, which suffer lithification and turn into sedimentary rocks.If they are transported under the crust, they can melt and become magma.You can learn more about the rock cycle at
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Which is abiotic? A.tree sap B.insect C.sunlight D.tree stump
Answers
Answer:
The answer is C. sunlight
Explanation:
Answer:
C // Sunlight.
Explanation:
Sunlight is the proper answer to this question, as it is a non-living, and has no live factors. So, Sunlight would be abiotic.
A postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. It has three presynaptic inputs-from neurons X, Y, and Z. Stimulation of
neuron X causes the postsynaptic neuron to depolarize by 0.5 mV. When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by
1 mV, If X fires 10 times and Y fires 10 times the result will be …
Multiple Choice
a subthreshold summation.
presynaptic inhibition.
threshold is reached and an AP is fired.
many APs are fired.
the membrane depolarizes.
Answers
When X fires 10 times and Y fires 10 times, the result will be a subthreshold summation.
Subthreshold summation happens when two or more presynaptic inputs that are sub-threshold (i.e., they cannot create an action potential) combine their effects on the postsynaptic neuron.
Here, the postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. When neuron X is stimulated, it depolarizes by 0.5 mV.
When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by 1 mV, which is sub-threshold (below -55mV).
Therefore, when X fires 10 times and Y fires 10 times, the postsynaptic neuron will experience subthreshold summation and no action potential will be fired.
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Help me please Yall I swear this is so anoying
Answers
Explanation:
Photosynthesis is performed by all plants,algae and even some microorganisms. Which plants use sunlight,water and carbon dioxide to create oxygen and energy in the form of sugar/ aka glucose/food for plants
Hope this helps!
1. Calculate the Surface Area to Volume ratio.
SA/ Volume
Analysis
Measure the surface area and the volume of each of the cubes below. Show your work!
1 cm
Surface Area
LxWx6
Volume
LxWxH
SA/V Ratio
2 cm
Box 1
Box 2
3 cm
I
Box 3
Answers
The surface area to volume ratio of the cubes is given below:
Cube 1: Surface area to volume ratio = 6Cube 2: Surface area to volume ratio = 3Cube 3: Surface area to volume ratio = 2What is the surface area to volume ratio of the cubes?The surface area to volume ratio of the cubes is calculated from the respective formulas for surface area and volume of cubes as follows:
The surface area of a cube = 6 * s²
The volume of a cube = s³
where s is the length of a side or edge of a cube
Cube 1:
Surface area = 6 * 1² = 6 cm²
Volume = 1³ = 1 cm³
Surface area to volume ratio = 6 / 1 = 6
Cube 2:
Surface area = 6 * 2² = 24 cm²
Volume = 2³ = 8 cm³
Surface area to volume ratio = 24 / 8 = 3
Cube 3:
Surface area = 6 * 3² = 54 cm²
Volume = 3³ = 27 cm³
Surface area to volume ratio = 54 / 27 = 2
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Which of the following best describes the effect the moon has on the tides?
A
The gravity of the moon pulls the ocean, which causes the tides.
B
When the moon is invisible in the sky, tides cannot be seen.
C
Tides only happen at night when the moon is visible.
D
The moon’s light makes it possible to see the tides at night.
Answers
Answer:
A The gravity of the moon pulls the ocean, which causes the tides.
Explanation:
Well all of the other answers are just completely different.
if the moon is invisible tides cannot be seen, but why is it at night it is called high tide. B is very odd because many surfing events happen during the day.
It is A because it contains the most context, because it is the only reliable and realistic option, because when the moon is up, and the sun is down, it causes stronger waves
differs in number of neutrons
atomic mass
2. number of protons
fusion
3. number of protons and neutrons
2
atomic number
4. splitting of atoms
1
isotope
5. joining atoms together
Answers
Answer:
1. Isotope
Explanation:
Isotope is the atom of the same element whichhave same proton and electron but they have different mass number
A student investigates a negatively charged piece of wool and a positively charged piece of silk.
Which describes what happened when she held the wool and silk close to each other?
A.
The wool and silk repelled each other.
B.
The wool and silk were attracted to each other.
C.
The wool was attracted to the silk, and the silk repelled the wool.
D.
The wool was repelled by the silk, and the silk was attracted to the wool
Whats the answer
Answers
Answer:
B. The wool and silk were attracted to each other.
Explanation:
When a negatively charged object, such as the wool, is held close to a positively charged object, such as the silk, an electrostatic force of attraction is generated between them due to the opposite charges. This force causes the objects to move towards each other, so the wool and silk would be attracted to each other. Therefore, option B describes what happened when the student held the wool and silk close to each other.
How does exhaling remove waste from the body? Explain the systems that make this happen, using complete sentences.
Answers
Exhaling removes waste from the body by expelling carbon dioxide through the respiratory system.
Exhaling plays a crucial role in removing waste from the body, particularly in the form of carbon dioxide (CO2), a byproduct of cellular respiration. The respiratory system, composed of the lungs and airways, is primarily responsible for this process.During inhalation, air containing oxygen is drawn into the lungs through the nose or mouth. Oxygen then diffuses across the lung tissue into the bloodstream, where it binds to hemoglobin and is transported to cells throughout the body. In the cells, oxygen is utilized in metabolic processes, generating energy and producing CO2 as a waste product.When we exhale, the diaphragm and intercostal muscles relax, causing the volume of the chest cavity to decrease. This action increases the pressure within the lungs, and air rich in CO2 is expelled from the body through the airways. The CO2 is removed from the bloodstream and eliminated from the body, reducing the waste buildup.Overall, the respiratory system's main function is to facilitate the exchange of gases, allowing oxygen to enter the body and carbon dioxide to be eliminated. Exhalation plays a vital role in removing waste by expelling CO2 and maintaining a balanced gas composition within the body.For more questions on respiratory
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