Estrogen exists nonpolar and can pass through the plasma membrane. Large proteins comprehended as antibodies exist incapable to enter cells. Intracellular estrogen receptors exist not bindable by extracellular antibodies.
What is meant by plasma membrane?The cell membrane has the quality of being permeable; some substances can pass through it naturally while others cannot. While ions and fat molecules like proteins and carbohydrates are blocked channel, small and nonpolar molecules can readily get through the membrane. Because estrogens are soluble in fat, they can pierce cell membranes by confusing the steroid hormone receptor.
Because estrogens are very hydrophobic, they can passively diffuse through cellular membranes and can also be concentrated in cellular membranes.
(a) Because it is nonpolar, estrogen can cross the plasma membrane.
(b) Large proteins known as antibodies are unable to enter cells. Intracellular estrogen receptors are not bindable by extracellular antibodies.
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Imagine that you have set up a genetic screen to identify e. Coli mutants that cannot metabolize the amino acid tryptophan for energy. Beginning with a master plate containing many colonies, you prepare replica plates on medium with glucose or tryptophan as the only energy source. You would look for colonies that _____.
Replica plates on medium that only contain glucose or tryptophan as a fuel source. You would search for colonies that can only develop on glucose-containing plates.
How do RNA hairpin twists and the end of transcription in E. coli connect to one another?Complementary base pairing produces the twists that divide the RNA transcript from the transcription bubble. The highest frequency of GbM is found in "housekeeping" genes, while the lowest frequency is found in genes with the most varied expression.
The hairpin loop that forms on the mRNA strand during transcription divides the DNA template strand from the RNA polymerase. The mechanism is known as rho-independent or intrinsic termination, and the sequences involved are known as terminator sequences.
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How does an illusion of control contribute to perceiving an illusory correlation?
An illusion of control contribute to perceiving an illusory correlation because it shows us the likelihood to find correlation where no other exists.
What causes illusory correlation?When two different variables are linked together, an erroneous correlation is produced, which causes the frequency of their co-occurrence to be overestimated. Because of our skewed perspective of the variables and a lack of information, the relationship between the two variables is illusory and not actual.
Note that Illusory correlation happens when we think two variables are linked to one another when they are actually not.
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While _______ decisions will generally need to be processed via the ______ system in our brains in order for us to reach a good decision, with ______ decisions, heuristics can allow decision makers to switch to the quick, _____ system.
While Non-programmed decisions will generally need to be processed via the reflective system in our brains in order for us to reach a good decision, with programmed decisions, heuristics can allow decision makers to switch to the quick, reactive system.
What are programmed and non-programmed decisions ?
Programmed decisions are those decisions that occur more frequently and are quickly executed, almost instinctly, without needing much of a thought process, by what we call the reactive system; they are repeated over time. while non-programmed decisions are those that present unusual or new situations and require a deeper reflection and understanding of the issue. Those are processed via the reflective system in the brain; they hardly re-occur and mostly spontaneous.
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If the genome of the bacterium e. Coli requires about 20 minutes to replicate itself, how can the genome of the fruit fly drosophila be replicated in only 3 minutes?.
Explanation:
If the genome of the bacterium E. coli requires about 20 minutes to replicate itself how can the genome of the fruit fly drosophila be replicated in only three minutes? Drosophila DNA contains more origins of replication than E. coli DNA.
Does anyone know what kind of cell this is
Answer:
Animal cell
Explanation:
Please help!!!!
c.) explain why that happens?
d.) How old is a rock sample that contains uranium-235 and lead-207 in equal amounts?
Uranium is used to determine a rock's age.
The uranium in rocks decays at a steady rate, producing subatomic particles and turning into lead. Scientists estimated the age of the globe at 4.6 billion years by examining the uranium-to-lead ratios in the oldest rocks on the planet. U-235 dating reveals that a rock is 2.84 billion years old.
Why, given that rocks are so old, can the age of rocks be determined using uranium-238?
The age of the rock increases with lead content. Since uranium-238 has a lengthy half-life, only the oldest rocks can be dated. Because so little of the uranium will decay, this method is unreliable for determining the age of rocks that are younger than 10 million years.
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explain how a change in an abiotic or biotic factor might affect a community
Biotic factors affect communities because they comprise animals and plants and microbes which are a necessary part of our environment whereas abiotic factors affect the ability to survival and reproduction of an organism.
How does abiotic or biotic factors affect the environment?Biotic factors such as the presence of autotrophs or self-nourishing organisms such as plants, and the diversity of consumers also affect an entire ecosystem. Abiotic factors affect the capacity of organisms to survive and reproduce. Abiotic limiting factors limit the growth of populations. The abundance and distribution of organisms in an ecosystem are affected by biotic factors, which involve living organisms. the appearance of new predators: in balanced ecosystems, predators and prey have developed together. the arrival of a new predator will disrupt the numbers of prey and other organisms. Biotic factors that affect communities; moisture levels: animals and plants are adapted to growing at the moisture levels available; soil pH and mineral.
so we can conclude that biotic factors comprise of living organisms that affect a community's availability of organisms for food whereas abiotic factors are needed by the organisms for growth.
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Why can there only be “so many links” in a food web?
Answer: This balance helps the ecosystem maintain and recycle biomass. Every link in a food web is connected to at least two others. The biomass of an ecosystem depends on how balanced and connected its food web is.
Explanation:
Which option explains how some parts of a plant can be white?
Responses
The white parts of a plant reflect all colors of light falling on them except white.
The white parts of a plant absorb all colors of light falling on them except white.
The white parts of a plant reflect all colors of light falling on them.
The white parts of a plant absorb all colors of light falling on them.
Explanation:
Parenchymal cube-shaped
loosely packed
thin-walled
relatively unspecialized
contain chloroplasts
photosynthesis
cellular respiration
storage
food storage tissues of potatoes
potatoes for sale at a grocery store
Collenchymal elongated
irregularly thickened walls
support
wind resistance
strings running through a stalk of celery
photograph of celery
Sclerenchymal very thick cell walls containing lignin support
strength
tough fibers in jute (used to make rope
Brittany misses school one day because she is sick and needs to go to the doctor. She tells the doctor her symptoms and the doctor concludes that she has a common cold. Which of the following answer
choices best describes the common cold?
A. It multiplies with a host cell, and cannot be treated with antibiotics.
B. It multiplies without a host cell, and cannot be treated with antibiotics.
C. It multiplies with a host cell, and can be treated with antibiotics.
D. It multiplies without a host cell, and can be treated with antibiotics.
Answer:
A. It multiplies with a host cell, and cannot be treated with antibiotics.
Explanation:
Viruses are surrounded by a protective protein coating; they don't have cell walls that can be attacked by antibiotics like bacteria does. It is because of this that antibiotics don't work on viruses.
Flu viruses and many cold viruses also have a viral envelope, meaning the capsid is covered by two layers of lipids similar to the cell membranes found on organisms. Viruses can't multiply on their own — they must infect the cells of a living creature.
what element of fibrous joints gives the joint its ability to resist stretching and control the amount of movement at the joint? what element of fibrous joints gives the joint its ability to resist stretching and control the amount of movement at the joint? collagen fibers articular cartilage elastic fibers calcium
The element that gives the Fibrous joints the ability to resist stretching and control the amount of movement at the joint is Collagen fiber.
Fibrous joints are immovable or fixed joints, as the movement of joints is not allowed between the bones. They do not have a joint cavity. In these joints, the articulating parts are separated by collagen fibers, also known as white connective tissue, which passes from one part to another.
Collagen fibers contain a hierarchical structure made up of collagen molecules, microfibrils, fibrils, fibers, and fascicles that prevents tendon and other load-bearing tissues from deforming.
Fibrous joints are subdivided into three types namely sutures, gomphoses, and syndesmoses.
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Which substances are PRODUCED during photosynthesis?
Which substances are PRODUCED during cellular respiration?
Why do plants go through photosynthesis?
Answer:
water oxygen carbon dioxide and oxygen c
5. the fast-food smoothie consists primarily of added sugars, resulting in a product with less volume than the homemade fruit smoothie. approximately how much more volume is in the homemade smoothie than in the fast-food smoothie? (hint: use grams per serving to determine this answer.)
From the Intake Spreadsheet report Day 2, 1 serving of this recipe exists 747 grams; from the Intake Spreadsheet report Day 1, 1 serving of the fast food smoothie contains 428 grams. 747 divided by 428 = 1.75 times the volume.
Is fast-food smoothie are actually healthy?Smoothies frequently contain a lot of fiber due to their high fruit and vegetable content. This can assist in filling the gap between your current consumption of fiber and the quantity suggested by the USDA, lowering your possibility of formulating chronic diseases and enhancing your general health.
This is due to the high levels of sugar, salt, saturated fat, trans fats, processed components, and calories in the majority of fast food. Additionally, it typically has few or no antioxidants, fiber, or other nutrients.
What are the disadvantages of smoothies?Overconsumption is a risk at all times. We must exercise portion control.Limit the amount of fiber you give. Although fiber is necessary for our bodies, it might be somewhat ground up during the blending process.Not as long as entire foods in satisfying us.Premade foods are frequently loaded with sugar.One serving of this recipe weighs 747 grams according to the Intake Spreadsheet report for Day 2, whereas one serving of the fast-food smoothie weighs 428 grams. The volume is 1.75 times what 747 divided by 428 equals.
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is an enzyme secreted by certain bacteria that cleaves the beta-lactam ring of penicillin and cephalosporin and thus provides for resistance against the antibiotic.
β-lactamase is an enzyme secreted by certain bacteria that cleaves the beta-lactam ring of penicillin and cephalosporin and thus provides for resistance against the antibiotic.
Penicillin is an antibiotic that provides resistance against a large number of bacteria. It was the first antibiotic to be discovered by Alexander Fleming. Like all other antibiotics it may kill the bacteria or suppress its growth. There are different types of penicillin that are used to treat different types of bacterial infections.
Cephalosporin is also an antibiotic used against gram positive and negative bacteria. It was originally developed from a fungus called Acremonium.
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Draw the nucleus and
label the following parts:
the nuclear membrane,
nucleolus, and chromatin.
Answer:
Diagram of a nucleus with the following structures:
Nuclear membrane
Nucleolus
Chromatin
What are two ways agricultural revolution had an impact on the environment
If a person’s sleep cycle is not properly maintained, what could happen as a result?
Check all of the boxes that apply.
(A person can become overly tired. ---> CORRECT
(A person can develop hyperthermia.
(A person can get sick. ----> CORRECT
(A person can get diabetes.
I already know the answer so here you go for those who don't.
Answer: (A) is correct and (C) is correct
Explanation: Oh thanks for this explanation <3 :)
Claims Evidence Reasoning Make a
claim about how a nation might be affected
if another nation did not follow agreed-upon water
rules. Provide evidence to support your claim, and
explain your reasoning.
Claim- The human activity of other nation of improper uses of water and disposal of waste causes negative effects on the other nation.
Evidence- According to the news video, the wastes made a layer on the water surface and floated to the other nation that affected the aquatic organisms. It causes pollution in the water.
Also one study reported that for misusing of water of one nation, the ground water level continuously falling down in other nation.
Reasoning- Based on the evidence, it can be concluded that the improper disposal of wastes and misuse of water changes the environment of other nation. It affects the aquatic organisms and also the human lifestyle.
What is Claim-Evidence-Reasioning?
Claim
A claim is a declaration that responds to a query. Typically, it will consist of just one sentence. Transition words like "because" should not be used because the claim contains no justification, logic, or supporting data.
Evidence
The information utilised to back up the assertion is the proof. Depending on the question and/or lab, it may be either quantitative or qualitative. Even a student-made data table could serve as the basis for the proof. Only facts that directly refute the assertion should be included in the evidence provided by students.
Reasoning
The justification provides the "why" and "how" the evidence substantiates the assertion. A description of the underlying scientific idea that gave rise to the evidence or data should be included.
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Using the table on the right as a guide, answer the following questions about light-independent reactions.
Describe the process of light-independent reactions.
What are the products of light-independent reactions?
A table entitled light-dependent reactions is shown. The requirements are light, energy and water. The site is the thylakoid membrane. The process is light energy splits water and excites electrons in chlorophyll. A T P and N A D P H are produced. The products are A T P, N A D P H, and oxygen.
The products of light-independent reactions include the following:
GlucoseNADP+Water (H₂O).What is photosynthesis?Photosynthesis simply refers to a biological and chemical process through which some living organisms such as green plants (autotrophs) convert the light energy (sunlight) that is received from the Sun into chemical energy, in order to enable them make their food.
The stages of photosynthesis.Generally speaking, there are (2) main reactions that make up the process of photosynthesis and these include following:
Light-dependent reactions.Light-independent reactions.What are light independent reactions?Light independent reactions can be defined as a type of photosynthetic reaction that takes place in the stroma of the chloroplasts of green plants (autotrophs) and it requires the following necessary inputs:
Carbon dioxideAdenosine triphosphate (ATP)NADPHAdditionally, the outputs (end products) of photosynthesis include the following; NADPH, adenosine triphosphate (ATP), and oxygen.
In this context, we can reasonably infer and logically deduce that water (H₂O), glucose, and NADP+ constitute the products of every light independent reactions.
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(100 points) Species that form somewhere else that enters and disrupt a native ecosystem are called:
Artificial reefs
Invasive species
Global warning
Climate change
(Brainliest for best answer.)
Answer:
Invasive species
Explanation:
it is an organism that is not native to the area; also known as a species that invades
yw! :)
Answer:
Its B
Explanation:
I took the test
the best statement that describes breathing
Answer: Breathing
Explanation: The process of inhaling air into the lungs, absorbing oxygen through alveoli which then moves into the blood in the capillaries. Carbon dioxide moves from the blood in the capillaries, to the alveoli where it is then expelled as a gas from the lungs, and exhaled.
What reproductive mechanism creates a haploid cell?
a. completely by mitosis
b. completely by meiosis
c. initially by mitosis and then by meiosis
d. initially by meiosis and then by mitosis
Answer: your answer is b!
Explanation:
Why did the great taxonomist C. Linnaeus include humans in the order of primates?
Answer:
Humans can move on their own and are placed in the animal kingdom. Further, humans belong to the animal phylum known as chordates because we have a backbone. The human animal has hair and milk glands, so we are placed in the class of mammals. Within the mammal class, humans are placed in the primate order.
Mass Volume and density science
Mass is the weight of an object volume is the size and density is the mass divided by the volume.
Density provides a convenient means of determining the mass of an object from its volume. Mass equals volume times density M = Vd and volume equals mass divided by density V = M/d. Mass is a physical quantity that indicates the amount of matter in the body of an object.
Volume is a measure of the amount of three-dimensional space occupied by an object. Mass is a physical value. Volume is a geometric value. We can say that the volume of an object is directly proportional to its mass. As the volume increases the object's mass increases in direct proportion. The slope of the graph corresponds to the density of the material.
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quick question, if mass of an object decreases then does that mean the rate of diffusion was slowing down, staying the same, or going faster?
The mass of particles affect the rate of diffusion; hence a decreased mass particles implies that diffusion rate will be faster.
Understanding how the mass of particles affects diffusion rate.The mass of particles of substances are important factor in the diffusion processes. Substances or particles which a smaller masses will quickly or faster when diffusion is going on. When the particles are of a bigger mass, the particles will result in a lower diffusion rate
That being said, diffusion is the movement of substances from a region of higher concentration to region of lower concentration. An example of a diffusion process is the movement of gas particles perfume from its container to a room where it is sprayed or released.
So therefore, if the mass of an object is reduced, the diffusion rate will be faster.
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Point B weighs three times as much as point C, and point A weighs twice as much as point C Point A weighs three times as much as point B.
The coordinates of their weighted average is (-1, -2).
What is weighted average?In Mathematics, weighted average can be defined as a product of a data point's weight and the sum of all the data points in a data set, divided by the sum of each weights.
By applying weighted average, the average of the points on the x-coordinates is given by:
x = (3 × (-4) + 2 + 5)/5
x = -1.
By applying weighted average, the average of the points on the y-coordinates is given by:
y = (3 × (-4) + 0 + 2)/5
y = -2.
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Complete Question:
Point A weighs three times as much as point B. Find the coordinates of their weighted average.
Enter your answer as (X, Y) (e.g. (1.5,-6))
suppose a cell wishes to make a protean that has 100 amino acids. how many water molecules will be created in the making if this small protein
99 water molecules will be created in the making of a small protein in a cell.
A carboxyl group, which contains carbon, and an amino group, which contains nitrogen, are both found in amino acids. Peptide bonds are created between the carboxyl and amino groups of amino acids to create proteins.
Because the final, 100th amino acid won't bind the next (101st) amino acid, a protein comprised of 100 amino acids has 99 peptide bonds. One oxygen atom and two hydrogen atoms are extracted for each peptide link that is formed. So, for each peptide link, one water molecule is produced. Therefore, Ninety-nine water molecules are produced if there are 99 peptide bonds.
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Salivary amylase is an enzyme found in the mouth. It breaks down starch into sugars. Which of these best explains why salivary amylase does not break down proteins?.
The best option that explains that why salivary amylase does not break down proteins is that proteins do not have the right substrate for the enzymes.
In the field of biology, we can describe enzymes as biological catalysts that are used to speed up a reaction. Each enzyme is specific for a reaction because the active site of an enzyme is specific for a particular reactant.
As salivary amylase is an enzyme that is specific for breaking down starch because its active site is specific for the starch reactants, hence the amylase enzyme will not work for proteins. The protein reactants will not fit into the active site of the salivary amylase enzyme.
Although a part of your question is missing, you might be referring to this question:
Salivary amylase is an enzyme found in the mouth. It breaks down starch into sugars. Which of these best explains why salivary amylase does not break down proteins?
a) The enzyme is the wrong substrate for proteins
b) proteins do not have the right substrate for the enzymes.
c) Proteins do not have the proper active site for the enzyme to work on them.
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Waste product that forms when muscles
lack oxygen needed for metabolism.
The appearence resulting from a given gene combination is reffered to as the
Answer:
phenotype
Explanation: