Immediately after fertilization, the zygote will inactivate its "docking proteins" and create a fertilization barrier. This is to prevent: a Implantation b capatation c pregnancy
d polyspermy
Answers
Immediately after fertilization, the zygote will inactivate its "docking proteins" and create a fertilization barrier to prevent d. polyspermy
Polyspermy occurs when multiple sperm cells penetrate and fertilize a single egg, which can lead to abnormal development and inviability of the resulting embryo. By inactivating the docking proteins and establishing a barrier, the zygote ensures that only one sperm cell can fertilize the egg, allowing for normal development and successful implantation in the uterus.
This process is essential to achieve a healthy pregnancy, as it allows for the proper formation of the embryo and the subsequent development of a viable fetus. The inactivation of docking proteins and the creation of a fertilization barrier are crucial steps in the early stages of reproduction and play a vital role in preventing polyspermy and ensuring successful conception. So therefore the correct answer is d. polyspermy, is prevent immediately after fertilization, the zygote will inactivate its "docking proteins" and create a fertilization barrier.
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Related Questions
5. Maintained by nervous and chemical control.
A. Respiration B. Reproduction C. Excretion D. Regulation
6. The guard cells of a plant leaf swelling shut to prevent water loss. This
keeps the plant hydrated and prevents dehydration.
A. Respiration B. Nutrition C. Homeostasis D. Growth
7. In plants glucose is converted to a large sugar molecule known as
cellulose. In humans, glucose is converted to a large sugar molecule
known as glycogen and stored in the liver. What life function describes
these processes?
A. Growth B. Nutrition C. Homeostasis D. Synthesis
8. The life process which converts chemical energy into a usable form.
A. Reproduction B. Respiration C. Synthesis D. Homeostasis
9. In which process are simple materials chemically combined to form more
complex materials?
A. Respiration B. Reproduction C. Nutrition D. Synthesis
Answers
Respiration, excretion , regulation , respiration, homeostasis, growth are maintained by Nervous system.
What what is a neurological system?The brain, spinal cord, and an intricate web of nerves make up the nervous system. The brain and the body communicate with one another through this system. All bodily processes are under the control of the brain. The spinal cord exits the brain through the back and descends.
Nutrition , growth , homeostasis, synthesis all are life functions. Respiration , synthesis , respirations are simple materials to chemically combined to form more complex materials.To learn more about Neurological system refer
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What is an example of a control in risk management?
Answers
Testing, routine internal audits as well as inspections, and sometimes even your training programme are examples of controls. The risk evaluation will determine the dangers that your business faces and what controls need to be put in place to safeguard your assets.
Avoidance, asset protection, loss reduction, segregation, duplication, & diversity are all examples of risk control techniques. In risk management, controls are defined as "any process, policy, device, practise, or other acts that change risk," according to the ISO 31000 standard. When examining numerous risk registers, "controls" are identified as a variety of items, including: HR guidelines Risk control is a business technique that enables firms to assess prospective losses and take steps to reduce or eliminate such risks. It is an essential component of a risk management process. Personal protective equipment (PPE), extraction systems, decontamination equipment, and ventilation equipment all fall under the category of control equipment. Controlling is a management function that aids in obtaining desired results from employees at all organisational levels, including managers and subordinates.
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a researcher was studying the kinetic properties of galactosidase using an assay in which brightly colored
Answers
The observed decrease in reaction rate of galactosidase as the concentration of substrate analog increases can be explained by several underlying enzymatic processes.
Firstly, the increased substrate analog concentration may lead to competitive inhibition, where the analog competes with the natural substrate for binding to the enzyme's active site. This competition reduces the effective concentration of the natural substrate, consequently slowing down the reaction rate. Additionally, higher substrate analog concentrations may induce allosteric inhibition, causing conformational changes in the enzyme's active site or altering its catalytic activity. This phenomenon can further hinder the enzyme-substrate interaction and decrease the reaction rate. Investigating these enzymatic processes will provide insights into the kinetic properties and regulation of galactosidase in the presence of substrate analogs.
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--The complete Question is, How does the concentration of substrate analog affect the reaction rate of galactosidase in the kinetic assay, and what underlying enzymatic processes could explain the observed decrease in reaction rate as substrate analog concentration increases?--
The table below summarizes Mendel’s results for the F2 generation.Mendel’s ResultsPlant height787 tall277 shortFlower color705 purple224 whiteFlower position651 middle of stem207 end of stemPod color428 green152 yellowPod shape882 inflated299 constrictedSeed color6,022 yellowx greenSeed shape5,474 smooth1,850 wrinkledWhat number should replace the letter x in the “Seed color” row?1522072242,001
Answers
The correct answer is 2,001 for the green seed color.
As we can notice in the given results of the different phenotypic characteristics of the plants, it follows a 3:1 ratio. The 3 is the dominant trait while 1 is the recessive trait.
Why is ATP a better source of energy for cells than other organic molecules, such as glucose?
Answers
ATP stores energy within the phosphate
Drag the terms to the correct boxes to complete this infographic on the general parts of the eukaryotic cell. Cell Wall External Chromosomes Internal Mitochondria Cytoskeleton Glycocalyx Cilia Ribosomes Boundary EUKARYOTIC CELL Cytoplo membrane Append Nu Homebound Olle Endoplasmi reculum Coleratu Flagella Nuclear envelope Muide Mikrotubules Intermediate laments Actin laments chlo
Answers
A nucleus and other membrane-bound organelles are found in the cells of eukaryotes, which are creatures.
What are eukaryotic cells?A nucleus and other membrane-bound organelles are found in the cells of eukaryotes, which are creatures. All mammals, plants, fungi, protists, and the majority of algae are eukaryotic creatures, as are many other types of life. Single cells or many cells can make up eukaryotes.
Eukaryotic cells are comprised of 3 major compartments. There are two different kinds of glycocalyx and appendages in the exterior compartment.The boundary can consist of a cell membrane and possibly a cell wall as well. The internal compartment is comprised of the cytoplasm, the nucleus, cytoskeletal components, and other organelles, such as mitochondria and ribosomes.To learn more about Eukaryotic cells refer to:
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HELP!!! DONT SEND NO LINK, IT DONT WORK!!!!
Explain why harmful mutations tend to disappear, while beneficial mutations become
widespread.
Answers
Answer:
Harmful mutations don't accumulate over time because they reduce the reproductive success of an organism! These mutations would be dead before they can produce any offspring, so there's a slim chance of their genes being passed on. (So it's basically like survival of the fittest, the ones that survive usually have beneficial mutations because that's what keeps them alive lol) Beneficial mutations play a big role in evolution too!
Explanation:
I hope that cleared things up for you! pls give me brainliset <3
Kerry made a simple flashlight. She recorded
the following statements in her lab book. Which
statement is an inference?
A. The wire was 35 cm long.
B. The flashlight contained a battery.
C. The plastic switch was better than the metal
switch.
D. The bulb was lit for 20 minutes before it burned
out.
Answers
Answer:
The answer would be B. All the other answers can be possible if it was a more sophisticated type of flashlight. But since she made a pretty simple one, it must be something that all flashlights have in common with one another and all flashlights need a battery to function. So the right answer should be B. GOOD LUCK :)
The ability to curl your tongue up on the sides is dominant to not being able to roll your tongue. A woman who can roll her tongue marries a man who cannot. Their first child has his father's phenotype.
What are the genotypes of the mother, father, and child? Draw a Punnett square to explain your answer.
B. What is the probability that a second child won't be a tongue roller?
Answers
Answer:
so that is how it goes hope this helps
Explanation:
ANSWER FOR 44 POINTS!!!! Also please answer it like don’t just put random stuff I actually need help here <3
1. A unit used to measure energy is the kcal.
a. What is the source of all
energy in the pyramid?
b. How much energy does this source provide to a square meter of the Earth per year? (Be sure your
answer includes units.)
2. The arrows represent the energy available to the next level of the pyramid.
a. What percentage of the source energy form question 1 is absorbed by the oak leaves? Divide oak levar got by the total sunlight hitting the earth’s surface.
b. By what process do the oak leaves harness this energy?
3. Describe how the consumers in one level of the pyramid obtain energy from the organisms at the previous level of the pyramid.
a. How much energy per year do caterpillars obtain from eating the leaves in a square meter of the oak tree?
b. What percentages the energy that was originally by the oak leaves is passed in to the caterpillars? Divide ye hat the caterpillars got by wag at leaves got.
c. What percentage of the energy absorbed by the oak leaves is not passed on to the caterpillars?
4. Calculate the percentage of the nervy that is transferred from one level of the pyramid to another for all of the levels?
a. Oak leaves to caterpillars (see question 3b)
b. Caterpillars to blue jays.
c. Blue jays to hawk.
5. Calculate the average percentage of energy that is transferred from one level to another using you answers in question 5. Note that this average percentage transfer is similar for many different types of energy pyramid in nature.
6. Explain why an energy pyramid in any ecosystem typically is limited to four or five levels only.
Answers
Monkey if you go back into time you can see that cels conect everything you have to limit the amount of information into something befrore it overloads
Plants respond to all of the environmental stimuli listed except
A. the length of nights.
B. hormones.
C. loud noises.
D. temperature.
Answers
Answer:
C - Loud Noises
Explanation:
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An oil tanker is leaking, causing hundreds of gallons of oil to spill into the ocean. Special bacteria are sprinkled on the oil to digest it. This is an example of
Answers
The process in which special bacteria are sprinkled on the oil to digest it, which is done to avert any negative effects of oil spills on the ocean, is called bioremediation. This is an example of bioremediation.
An oil tanker that leaks causes hundreds of gallons of oil to spill into the ocean. Bioremediation is an approach to biodegrade and detoxify toxic compounds by utilizing naturally occurring or introduced microorganisms that take in, metabolize, and break down contaminants into less toxic or nontoxic forms. These microorganisms, which are usually bacteria or fungi, are known as bioremediation agents.
The bioremediation approach to addressing oil spills has been quite successful. Bioremediation, in particular, has the following benefits over traditional methods:
It's a natural procedure, and as a result, it has little to no effect on the environment.It is cost-effective compared to conventional methods.It is capable of breaking down hydrocarbons and other contaminants into less harmful compounds, which minimizes the environmental and health hazards of oil spills.You can learn more about bioremediation at: brainly.com/question/32755450
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pitcher plants are carnivorous plants that grow in areas where the soil contains low levels of key nutrients such as nitrogen. to obtain these nutrients, most pitcher plants capture prey using traps containing a digestive fluid. the captured prey are then broken down and digested, and the pitcher plant absorbs the nutrients. the traps of one species of pitcher plant, nepenthes hemsleyana, do not contain digestive fluid. instead they provide a suitable place for woolly bats (kerivoula hardwickii) to sleep. the feces from the bat are released into the trap where nutrients in the feces are absorbed and provide the plant with the nitrogen it needs. which of the following best describes the relationship between the pitcher plant and the woolly bat? responses the relationship is an example of parasitism because the bat is harmed while the plant benefits. the relationship is an example of parasitism because the bat is harmed while the plant benefits. the relationship is an example of mutualism because both the plant and the bat benefit. the relationship is an example of mutualism because both the plant and the bat benefit. the relationship is an example of commensalism because the plant benefits but the bat is unaffected. the relationship is an example of commensalism because the plant benefits but the bat is unaffected. the relationship is an example of commensalism because the plant is unaffected while the bat benefits.
Answers
Primary succession happens when a pristine environment is exposed (lava flow). Pitcher plants are carnivorous plants that may survive in areas with little nitrogen in the soil.
The majority of pitcher plants catch animals using digestive fluid-filled traps in order to obtain these nutrients. Most plants get adequate nitrogen from the soil's nitrates. Carnivorous plants must obtain their nitrogen from the digestion of their food because nitrates are in short supply where they can flourish. Nepenthes plants are carnivorous and eat insects mostly for food. They accomplish this using specialised pitfall traps known as "pitchers," which draw in, capture, and devour insects.
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Which of the following is true about ischemic stroke? a. Often caused by emboli from the basilar arteries b. Has risk factors that include atherosclerosis c. Can be a result of a hypercoagulable state d. Results from hemorrhage into brain tissue Is associated with acute hypertension
Answers
Answer: Option B.
Has risk factors that include atherosclerosis
Explanation:
Ishchemic stroke has a risk factor that include Atherosclerosis because it is when blood clot causes a blockage to artery that supplies blood to the brain.
This is major caused by buildup of plagues or deposition of cholesterol ( atherosclerosis). The blockage reduces the blood flow and oxygen to the brain, which cause damage or death of brain cells
If the arteries become too narrow, blood cells may collect and form blood clots.
Bile neutralises hydrochloric acid in the stomach because bile is
Answers
Answer:
Hope it helps plz give brainliest! :D
Explanation:
Bile - a bitter greenish-brown alkaline fluid which aids digestion and is secreted by the liver and stored in the gall bladder.
Water makes up a large percentage of the body’s cells. For a cell to remain in homeostasis, there must be a mechanism to control water changes in the cells. The movement of water from an area of high water concentration to an area of low water concentration is . osmosis,diffusion,active transport or stable transport
Answers
Answer:
Explanation:
active transport
i'm a bit stuck on this question,,, i'll be sure to give brainliest!
Answers
Answer:
Just look up each of those words and their stages. This will surley find you your answer!!
in hierarchical cluster analysis, ____. genes are grouped according to level of expressiongenomes are grouped according to phylogenetic position genes are grouped according to chromosome position
Answers
In hierarchical cluster analysis, genes are grouped according to the level of expression.
Hierarchical cluster analysis is a statistical algorithm that groups similar data into groups, such as genes or genomes, based on the amount of similarity between them. It is a widely used data mining method that organizes data into a tree-based representation known as a dendrogram. In this type of clustering analysis, the groups that are formed are not predefined, and the data points are clustered based on how similar they are in terms of gene expression, phylogenetic position, or other criteria, as required.
In hierarchical clustering, two types of methods are used: agglomerative and divisive clustering. The former starts with singletons (single individuals) and combines them into increasingly larger groups, whereas the latter starts with the whole group and separates it into smaller ones. Hierarchical clustering is used in many fields, including genetics, bioinformatics, and ecology, among others.In hierarchical cluster analysis, genes are grouped according to the level of expression. It uses different methods to cluster genes together, based on their patterns of expression across samples.
The goal of hierarchical clustering is to group similar genes together in clusters and separate genes with different patterns of expression into different clusters. Hence, first option is correct.
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your thoughts on doing the Examination of Conscience?
Please share your thoughts!
It would really help me
Answers
Answer:
Explanation: Examination of conscience is a review of one's past thoughts, words, actions, and omissions for the purpose of ascertaining their conformity with, or deviation from, the moral law.
Question 4 of 10
A researcher makes sound recordings of bird calls in a nature preserve.
Which kind of data is the researcher recording?
A. Qualitative data
B. Quantitative data
C. Numerical data
D. Discrete data
Answers
A researcher that makes sound recordings of bird calls in a nature preserve is taking Qualitative data (Option A).
What is Qualitative data?Qualitative data is defined as any type of experimental data collected as 'types', which can be exemplified with a particular code or any type of note that is differential among data.
In conclusion, a researcher that makes sound recordings of bird calls in a nature preserve is taking Qualitative data (Option A).
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How is proper science validated?
Answers
Answer:
by experimental repeatability, which enables to demonstrate the accuracy and reliability of the scientific study.
Explanation:
Scientific ideas and theories are used to explain observations and phenomena from the real world. Scientific validation comes by acceptance of the scientific community, which is generally achieved by scientific publications in well-reputed peer-reviewed journals. In order to be validated, these explanations must be repeatedly tested by using the scientific method, thereby proving the effectiveness of the proposed research method used to obtain information.
Please only respond if you know the answer and links will be reported
Answers
Krebs Cycle only i have to keep going
Answer:
Its D
Explanation:
____________ is the process in which action potentials in the nerve fiber lead to action potentials in the muscle fibe
Answers
The process in which action potentials in the nerve fiber lead to action potentials in the muscle fiber is known as "excitation-contraction coupling."
When a nerve impulse reaches a neuromuscular junction, it causes the release of a neurotransmitter known as acetylcholine, which then binds to receptors on the sarcolemma of the muscle fiber, triggering a series of events that lead to muscle contraction.
The process by which this occurs is called excitation-contraction coupling. The muscle fiber generates action potentials due to the depolarization of the sarcolemma, which is caused by the influx of positively charged ions such as sodium into the muscle fiber.
This depolarization leads to the release of calcium ions from the sarcoplasmic reticulum, which then bind to the regulatory proteins on the actin filaments, allowing for the myosin heads to bind to the actin and initiate muscle contraction.
In summary, the process of excitation-contraction coupling is how action potentials in the nerve fiber lead to action potentials in the muscle fiber, ultimately resulting in muscle contraction.
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The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Examine the model. What a
biotic components of the carbon cycle? Choose ALL that apply.
A. cows
B. trees
C. decomposers
D. soil
E. sunlight
Answers
Answer:
A, B, and C
Explanation:
These choices all play a role in the carbon cycle while being biotic, aka living organism.
A. Cows release carbon through cellar respiration and farts
B. Trees take in carbon through process of photosynthesis
C. decomposers break down dead material from plants and other organisms and release carbon dioxide into the atmosphere.
again all of these are biotic since they are living organisms and all contribute to the carbon cycle.
t is difficult in humans to obtain for numbers of people. therefore, a statistical tool called the is used to determine whether or not the available data indicates with confidence that two loci are linked.
Answers
The statistical tool used to determine whether or not two loci are linked is called the linkage analysis.
In genetics, linkage analysis is used to identify the association between genetic markers on a chromosome. It is difficult to obtain data for a large number of people, so linkage analysis is used to determine whether two loci are physically close to each other on the same chromosome and tend to be inherited together. This information is important in identifying the inheritance pattern of genetic diseases.
Linkage analysis is a statistical tool used to determine whether two loci are physically close to each other on the same chromosome and tend to be inherited together. This information is important in identifying the inheritance pattern of genetic diseases. However, obtaining data for a large number of people can be difficult. Therefore, linkage analysis is used to determine whether the available data indicates with confidence that two loci are linked.
Linkage analysis involves comparing the frequency of genetic markers between affected and unaffected individuals in a family. It determines the degree of linkage between the genetic markers and a disease-causing gene. By analyzing this data, researchers can identify potential disease-causing genes and the inheritance pattern of the disease.
The statistical tool used in linkage analysis is the logarithm of the odds (LOD) score. The LOD score measures the likelihood that two loci are linked. A higher LOD score indicates a higher probability of linkage between two loci.
In conclusion, linkage analysis is a statistical tool that is essential in genetic research and identifying inheritance patterns. It allows researchers to determine whether two genetic loci are linked and can help identify potential genetic diseases. However, obtaining data for a large number of people can be difficult, making linkage analysis an essential tool in genetic research. The LOD score is a statistical measure used in linkage analysis to determine the likelihood of two loci being linked.
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An embryo contains DNA from Just the mother Just the father Both the mother and the father
Answers
The left and right sides of the brain refer to which of the following?
a. reticular activating system
b. cerebral cortex
c. cerebellum
d. medulla
Answers
cerebral cortex
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What is the most reliable, accurate method for inferring phylogenetic relationships?
a. fossil evidence
b. direct observations
c. genetic sequencing
d. tested hypotheses
Answers
Answer:c. genetic sequencing
Explanation:
genetic sequencing s the most reliable, accurate method for inferring phylogenetic relationships.
What is DNA sequencing ?DNA Sequencing can be defined as the order of the four nitrogenous bases which make up the DNA molecule, the sequences define the scientists a kind of genetic information which is carried in a particular DNA segment.
scientists can use these sequence to analyze the stretches of DNA which contain genes and carry regulatory instructions that turn genes on or off.
The information of sequencing data highlight changes in a gene which may cause disease, it is the basis for the mechanism by which DNA molecules are copied during cell division.
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free bobux man ccccccccccccummmmmm
Answers
Answer: ummmmm dont know what that means but freeeeee pointssss
Explanation:
Answer:
thanks. have a beautiful life.
Which of the following is the best example of an adaptation that improves an organism's "fitness"?
A. Dark-colored lizards living on light rocks.
B. A thick coat of fur on animals living in the hot desert.
C. Lizards with sticky toe pads live among tall trees.
Answers
Answer:
C. Lizards with sticky toe pads live among tall trees. is the best example of an adaptation that improves an organism's "fitness". The adaptation allows the lizards to climb and live in their arboreal habitat, increasing their chances of survival by avoiding predators and accessing resources.