A marine biologist observes a coral reef. She notices an interaction between a goby fish and a pistol shrimp. The pistol shrimp builds the burrow they both live in. The goby fish warns and protects the pistol shrimp from predators.
Determine the type of symbiosis the marine biologist witnessed and compare and contrast it to the other types of symbiosis. Include all 5 types of symbiosis in your answer.
Answers
In the goby and pistol shrimp symbiosis, both animals benefit. This relationship is not parasitic and not commensal—it is mutual. The shrimp builds and maintains a burrow that both animals live in, and the fish offers the shrimp protection from predators.
Related Questions
Which of the following is/are examples of a mutant hunt that would best be done using a selection instead of screen? (Check all that are correct). O Fruitflies with curly wings Yeast resistant to the fungal antibiotic, nocodazole E. coli that require tryptophan to grow
Answers
The E. coli that require tryptophan to grow is an example of a mutant hunt that would best be done using a selection instead of screen.
In a selection, the conditions are designed to favor the growth or survival of specific mutants while inhibiting or preventing the growth of non-mutants. In this case, E. coli that require tryptophan to grow would be selected in a medium lacking tryptophan. Only the mutants that have undergone a genetic change, resulting in the loss of tryptophan biosynthesis ability, would be able to survive and grow in the selective condition.
The other examples mentioned, fruitflies with curly wings and yeast resistant to the fungal antibiotic nocodazole, are more suitable for a screen rather than a selection. In a screen, a large number of mutants are generated or collected and then individually analyzed or screened for the specific phenotype of interest. For example, fruitflies with curly wings would need to be individually examined or screened for the presence of the curly wing phenotype, and yeast resistant to nocodazole would need to be tested individually for resistance to the antibiotic.
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Each month, a graafian follicle ruptures on the ovarian cortex, and an ovum releases into the pelvic cavity and into the fallopian tube. This process is known as ________.
Answers
Each month, a graafian follicle ruptures on the ovarian cortex, and an ovum releases into the pelvic cavity and into the fallopian tube. This process is known as Ovulation.
The process of an egg being released from the ovary is called ovulation. The egg is released and travels down the fallopian tube, where it remains for 12 to 24 hours before being fertilized. The egg may or may not be fertilized by sperm when it is released. If the egg is fertilized, it may move to the uterus where it will implant and grow into a pregnancy.
Follicle-stimulating hormone (FSH), which is released by your body during the follicular phase, aids in the maturation and preparation of the egg in your ovary for release.
When the egg is fully developed, your body produces a large amount of luteinizing hormone (LH), which causes the egg to be released. Around day 14, between 28 and 36 hours after the LH spike, ovulation typically takes place.
Luteinization occurs after ovulation. In the event of pregnancy, hormones will prevent the lining from shedding. If not, bleeding will begin on or around day 28 of the cycle, starting the following cycle.
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HELP! this is a biology question so please answer if you know:)
Answers
Answer:
its cells cannot be created or destroyed
compare and contrast autosomal genes and sex linked genes
Answers
Answer:
Autosomal genes are genes located on any of the 22 non-sex chromosomes (autosomes). These genes affect both males and females equally and typically have dominant and recessive alleles that can be inherited from both parents. Sex linked genes are genes found on the X or Y chromosome. These genes are mainly inherited through the father and can lead to different phenotypes or characteristics in males and females. Autosomal genes have the same chance of being passed to either male or female offspring, whereas sex-linked genes are more commonly found in one gender.
Explanation:
A fetus possesses a mutation that causes the diencephalon region of the developing brain to cease growing. Which structures in the mature brain will be missing/abnormal if the fetus survives to birth and childhood
Answers
Hypothalamus, pineal gland, and thalamus. Sensory abnormalities, visual-field deficiencies, and alterations in behaviour are all potential consequences of thalamic injury.
Thalamus, hypothalamus, subthalamus, and epithalamus are the four principal diencephalon subdivisions. Recognizing sensory stimuli and relaying sensory impulses to the cerebral cortex (apart from olfaction) are the main duties of the thalamus, which is the brain's biggest division.
One of the primary vesicles that create the brain during embryogenesis is the diencephalon. One of the three main germ layers, the ectoderm, is responsible for forming a neural tube during the third week of development.
Here are the structures that make up the diencephalon:
posterior pituitary epithalamus, thalamus, and hypothalamus
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how does temperature of the Earth surface increase due to ozone layer depletion write in brief
Answers
Answer:
The ozone layer protects harmful rays
Explanation:
When the ozone layer is depleted, UV rays from the sun enter the earths atmosphere, and becasue the ozone layer was replaced by greenhouse gases, they trap the suns rays in between the earths atmosphere, increasing earths temperature
Which of the following is the building block of all proteins?
Question 2 options:
Amino acids
5 Carbon sugars
Phosphate groups
Nitrogen bases
Answers
Amino acids are the monomers, or the building blocks that make up all proteins.
biofilms provide pathogens with an adhesion mechanism and aid in resistance to antimicrobial agents.
Answers
Answer:
By forming a biofilm, bacteria protect themselves from host defense, disinfectants, and antibiotics. Bacteria inside biofilm are much more resistant to antimicrobial agents than planktonic forms since bacteria that are unresisting to antimicrobial agents in any way can turn resistant after forming a biofilm.
Cross two pink snapdragons. What is the genotypic and phenotypic probability of such a cross?
Answers
Answer:
Genotypic probability = 1RR: 2Rr: 1rr
Phenotypic probability = 1Red: 2Pink: 1white
Explanation:
This question involves a single gene coding for skin color in snapdragon plants. The alleles are incompletely dominant over one another and hence, produce an intermediate pink phenotype.
According to this question, two pink/heterozygous snapdragons were crossed i.e. Rr × Rr. Each parent will have gametes R and r. Using these gametes in a punnet square (see attached image), the following proportion of offsprings will be produced:
Genotypic probability = 1RR: 2Rr: 1rr
Phenotypic probability = 1Red: 2Pink: 1white
how water molecules orient themselves?
Answers
Enzymes affect the reactions in living cells by changing the
a.
products of the reaction.
b.
speed of the reaction.
Ос.
temperature of the reaction.
d. pH of the reaction.
Answers
Answer:
B, by changing the speed of the reaction
if acth secretion is inhibited, which of the outcomes will result? the thyroid gland will not release thyroid hormone. the posterior pituitary gland will not release adh. the adrenal glands will not release cortisol. the anterior pituitary gland will not release tsh.
Answers
If ACTH secretion is inhibited, the outcome will be that the adrenal glands will not release cortisol. ACTH, or Adrenocorticotropic hormone, is responsible for stimulating the adrenal glands to produce cortisol. The other terms mentioned are not directly related to ACTH secretion.
If ACTH secretion is inhibited, the adrenal glands will not release cortisol. This is because ACTH stimulates the production and release of cortisol from the adrenal glands.
The other outcomes listed (thyroid gland not releasing thyroid hormone, posterior pituitary gland not releasing ADH, and anterior pituitary gland not releasing TSH) are not directly related to ACTH secretion.
The result of inhibiting ACTH secretion is that the adrenal glands won't release cortisol. The adrenal glands are stimulated to create cortisol by ACTH, or adrenocorticotropic hormone. The other terms listed have nothing to do with ACTH secretion specifically.
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Question 5 of 10
What are the basic units of a chemical element called?
A. Atoms
O
B. Molecules
C. Gases
D. Solids
SUERE
Answers
Answer:
A. Atoms
Explanation:
Everything is made up of atoms.
At the end of the egg experiment, the egg was placed in water. What type of solution was this?
Answers
Answer:
Hypotonic
Explanation:
The egg has more solutes than the water so water will rush into the egg through osmosis. Therefore, this is a hypotonic solution. Hope this helps!
Question 14 (2 points) The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called natural selection. O mutation. genetic drift. migration.
Answers
The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.
A mutation is a sudden and lasting alteration in the DNA sequence that can influence genetic variation. Changes in the DNA sequence can influence phenotype, which may or may not have an effect on an organism's fitness. Mutations occur spontaneously, either from errors in DNA replication or from exposure to mutagenic agents. Mutations may happen in either coding or non-coding regions of the DNA, and they can be either silent or expressed.
Evolution is a natural process that results in the gradual change of inherited characteristics in populations over generations. It is the process of alteration in the inherited characteristics of species over successive generations. In other words, it is the process of gradual changes that happen to species over time as they adapt to their environments. It can be defined as a change in the gene frequency in a population over time.
Types of Evolution 1. Natural Selection 2. Genetic Drift 3. Gene Flow 4. Mutation 5. Non-Random Mating 6. Admixture 7. Mutation Pressure 8. Genetic Draft 9. Bottleneck and Founder Effect 10. Sexual Selection the process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.
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If you ate a spoonful of peanut butter for breakfast, the majority of the energy would come from the ________in the peanut butter because it ______
Answers
Answer:
: High in Good Fats, Protein,
Explanation:
Peanut butter is rich in heart-healthy fats: High in Good Fats, Protein, and Satisfaction
If one ate a spoonful of peanut butter for breakfast, the majority of the energy would come from the good fats present in the peanut butter because it is a rich source of good fats.
What are good fats?
Fats are very important components of a healthy diet. They help in providing essential fatty acids, which keep our skin soft. They also help in delivering fat-soluble vitamins. They are also a great source of energizing fuel.
With so many benefits of good fats, it's easy to get confused about good fats vs. bad fats. People also get confused about how much fat they should eat, how to avoid trans fats which can cause artery clogging, and also the role of omega-3 fatty acids play in the health of the heart.
According to the U.S. Department of Agriculture's 2005 Dietary Guidelines, adults need to get about 20%-35% of their calories from fats. According to these guidelines, t least 10% of our calories should come from fat.
Unsaturated fats are considered good fats. These include polyunsaturated fatty acids and monounsaturated fats. Both kinds of fats, when consumed in moderate amounts and used for the replacement of saturated or trans fats, help in lowering the levels of cholesterol and reducing the risk of heart diseases.
Therefore, the majority of fat in peanut butter comes from good fats.
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a young man named rip van winkle is in your sleep lab. it is your job to monitor his sleep activity during the night. unfortunately, the low-light monitor that allows you to watch him sleep is broken so you have to determine his sleep state based on what you see in his eeg, emg and eog records. match the state below with the electrophysiological records.
Answers
Electrophysiological recordings are another name for recordings of big-scale electric cues from the shy plan, such as electroencephalography. They are useful for monitoring and electrodiagnosis.
Compare the state listed below to the electrophysiological data.
1. Eye movement is shown by EOG, muscle contractions by EMG, and high-frequency, low-amplitude waves by EEG.
3. EOG demonstrates eyes are fixed, EMG shows muscles are loose, EEG shows low recurrence, high abundancy waves
2. EOG demonstrates eyes are moving, EMG shows muscles are deadened, EEG shows high recurrence, low abundancy waves
4. EOG demonstrates eyes are fixed, EMG shows muscles are loose, and EEG shows rest axles.
Electroencephalograms (EEGs), electrocardiograms (ECGs), transepithelial recording, multielectrode arrays, single- and multiunit extracellular recording, impedance measurements, current-clamp, voltage-clamp, patch-clamp, and lipid bilayer recording are among these methods.
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Q- A young man named Rip Van Winkle is in your sleep lab. It is your job to monitor his sleep activity during the night. Unfortunately, the low-light monitor that allows you to watch him sleep is broken so you have to determine his sleep state based on what you see in his EEG, EMG, and EOG records. Match the state below with the electrophysiological records.
1. Awake
2. REM sleep
3. Deep sleep
4. Stage 2 sleep
analyzing concepts: the offspring of two short tailed cats have a 25% chance of having no tail, a 25% chance of having a long tail, and a 50% chance of having a short tail. using this information, what can you hypothesize about the genotypes of the parents and the way in which the tail length is inherited?
Answers
The offspring shows an intermediate or blended phenotype. In the context of inheritance, the genotype can help predict the possible phenotype or the observable traits of the offspring.
25% of the offspring have a long tail. This outcome is possible only when one of the parents is carrying the allele for a long tail, which expresses the long tail trait. The allele for the short tail is unable to dominate the long tail allele, and therefore the phenotype of the long tail is expressed. Genotypes are the genetic makeup or the genetic constitution of an organism. Genotypes are inherited from the parents and can determine the characteristics of the offspring. The genotype represents the combination of alleles that an individual organism carries for a specific trait or a set of traits. The genotype can be homozygous, which means having the same allele pair for a particular trait, or heterozygous, which means having different alleles for the same trait.1. Genotypes of parents:
From the given data, we know that the offspring of two short-tailed cats have a 50% chance of having a short tail. It means that the genotype of at least one of the parents is “SS,” where “S” represents a short tail.The other parent can either be “SS” or “SL,” where “L” represents a long tail. It is because the offspring of two short-tailed cats have a 25% chance of having a long tail, which is only possible if one parent is carrying the allele for a long tail. Therefore, the genotype of parents can be SS x (SS or SL) or (SS or SL) x SS.2. Inheritance of tail length:
We can conclude that tail length is inherited as an incomplete dominance because the offspring of two short-tailed cats have a 25% chance of having no tail. This outcome is possible only when both parents are heterozygous for the tail length. Therefore, they both have one allele for a short tail and one allele for no tail. The heterozygous condition is also referred to as “incomplete dominance” because neither of the two alleles dominates the other allele.Learn more about genotype: https://brainly.com/question/902712
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Which is represented by the X?
nephron
ureter
bladder
urethra
Answers
the correct answer is B) ureter
i hope it helped
The B)ureter is represented by the X.
What are the functions of the ureters?The ureters paintings continuously, emptying urine into the bladder about each 10 to fifteen seconds. In addition to their position in doing away with waste from the frame, the kidneys additionally balance fluids within the frame, launch hormones to regulate blood stress, and manage the manufacturing of purple blood cells.
The ureter is a small tube, or duct, that connects the bladder and kidneys. Urine passes thru the ureter from the kidneys to the bladder. The urethra is the tubular path that connects the bladder to the body's outside, permitting urine to go out the frame.
Urine drains from the renal pelvis of each kidney into the ureters. The ureters are long, thin tubes made of smooth muscle. Contractions of the smooth muscle push urine down through the ureters and into the bladder.
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9. Following a a SSYyx SsYy cross what fraction of the offspring are predicted to have a genotype that is
beterozygous for both characteristics?
Answers
Answer:There are 4 out of 16 possible combinations of gametes from an SsYy x SsYy cross with the genotype of SsYy. We would therefore predict that 4/16 (or 1/4) of the offspring of the cross would be homozygous for both traits. Note that there is a different phenotype for each of the 4 different combinations of alleles.
beta blockers, which prevent the effects of a neurotransmitter, are considered:
Answers
Beta blockers, which prevent the effects of a neurotransmitter, are considered to be antagonist medications.
Beta blockers are medications that are used to manage high blood pressure (hypertension) and are part of a class of medications called antihypertensives. Beta blockers work by blocking the effects of the hormone adrenaline, which causes the heart to beat faster and with greater force.
When the effects of adrenaline are blocked, the heart rate slows down, and the heart doesn't have to work as hard to pump blood around the body. Neurotransmitters are chemicals that are released by nerve cells. They are responsible for sending messages between nerve cells, allowing them to communicate with each other. There are many different types of neurotransmitters, including serotonin, dopamine, and adrenaline. Beta blockers block the effects of adrenaline by preventing it from binding to its receptors in the heart.
This causes the heart rate to slow down and the heart to beat less forcefully. Beta blockers also block the effects of other neurotransmitters such as norepinephrine, which is another hormone that is released by the adrenal glands in response to stress. As a result, beta blockers are often used to treat anxiety disorders and other conditions where the body produces too much adrenaline or other stress hormones.
Therefore, beta blockers which prevent the effects of a neurotransmitter are considered to be antagonist medications.
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Beta blockers, which prevent the effects of a neurotransmitter, are considered antagonists.
The statement given in the question, "beta blockers, which prevent the effects of a neurotransmitter, are considered..." ends with a blank space. The given statement shows that the answer is related to the function of beta blockers and its effects on the neurotransmitter. Beta blockers: Beta-blockers are drugs that are used to treat a variety of conditions including high blood pressure, heart disease, and migraines. Beta-blockers block the effects of epinephrine (adrenaline) and norepinephrine (noradrenaline) on the sympathetic nervous system. This reduces the heart rate, blood pressure, and stress response, thereby helping to alleviate symptoms of these conditions. Neurotransmitters: Neurotransmitters are chemical messengers that are produced by nerve cells to communicate with other nerve cells. They are released into the synapse, the small gap between the nerve cells, where they bind to receptors on the surface of the next cell and transmit the signal. There are several different neurotransmitters in the brain and nervous system, each with its own specific function. Antagonists: An antagonist is a substance that blocks or counteracts the effects of another substance. In pharmacology, an antagonist is a drug that binds to a receptor and prevents the natural ligand (such as a neurotransmitter) from binding to the receptor and activating it. This effectively blocks the signal that would normally be transmitted by the receptor, thereby reducing its activity.
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24. If the DNA was never transcribed into mRNA, the result would be that
a. DNA would have to leave the nucleus
b. a protein could not be manufactured
c. tRNA would carry the code to the ribosome
d. the protein would be mutated
Answers
mRNA carries instructions coded in DNA to the ribosomes where the tRNA decodes mRNA to make proteins.
Ribonucleic acids, RNAs, are essential components of all living cells. They take part in the protein synthesis. RNAs present in a cell are of three different types; mRNA (messenger RNA), rRNA (ribosomal RNA) and tRNA (transfer RNA). They have been named according to the different functions they perform.
mRNA– they provide a template for gene coding during synthesis of proteins. Site of synthesis is the nucleus in mRNAs. They also carry codons for the process of translation.
Therefore, the correct answer is C. mRNA carries instructions coded in DNA to the ribosomes where the tRNA decodes mRNA to make proteins.
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When cukaryotic cells are stained with DNA-specific dyes and viewed under the light microscope, DNA molecules are revealed in A. the nucleus. B. the matrix of the mitochondrion. C. the stroma of chloroplasts. D. all three locations: nucleus, mitochondrion, and chloroplast.
Answers
When eukaryotic cells are stained with DNA-specific dyes and viewed under the light microscope, DNA molecules are primarily revealed in the nucleus.
The nucleus is the central organelle in eukaryotic cells that houses the majority of the genetic material. It contains chromatin, which is composed of DNA molecules wrapped around proteins called histones. When DNA-specific dyes are used, they bind to the DNA molecules, causing them to become visible and appear as distinct structures within the nucleus.
Although DNA is present in other organelles, such as mitochondria and chloroplasts, the staining technique used for light microscopy typically does not provide sufficient resolution to detect DNA molecules within these organelles.
The matrix of the mitochondrion and the stroma of chloroplasts may contain DNA, but it is not readily observable under light microscopy using DNA-specific dyes.
Therefore, the correct answer is A. the nucleus. DNA molecules are primarily revealed within the nucleus when eukaryotic cells are stained with DNA-specific dyes and viewed under the light microscope.
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what organelle stores water in the plant cell
Answers
Answer: Vacuoles
Explanation:
Answer:
VacuolesExplanation:
A vacuole is the storage area of the cell. Vacuoles store water, food, and waste.~hope this helps, Have a good rest of your weekend ! :)1. How does the sensor interact with the other components
of this system?
a. The sensor detects the heat of the clothes and makes
the timer generate more heat.
b. The sensor detects the dryness of the clothes and then
sends information to the timer.
c. The sensor detects whether the heating element is
functioning properly and then sends input to the
timer.
d. The sensor detects how much time is left and sends
input to the heating element to increase or decrease
the heat.
Answers
Explanation
Dryness
The sensor detects the dryness of the clothes and the sends information to the timer. Thus option B is correct.
What are the function of a sensor ?A device called sensor detects the change in the environment and responds the that changes on the other system.
A sensor converts a physical form of input into a measurable form like voltage then converted into a human-readable form and further transmitted for reading or processing.
The most popular sensors is the microphone, which converts sound energy to an electrical energy signal which can be amplified, transmitted, recorded, and reproduced.
The common mercury thermometer is an old sensor used for measuring temperature.
It detects body heat or infrared energy.
Some Passive infrared sensors are the most widely used motion in home security systems.
Thus option B is correct.
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The purpose of photosynthesis is to take the reactants _, _, and _
Answers
Answer: carbon dioxide, water and light
Explanation:
Word equation for photosynthesis:
Carbon dioxide + water ---(light)---> glucose + oxygen
4. What is one possible reason that average water clarity decreased from
1990 to 2015?
O A change in the amount of water.
Less deposits from runoff.
Eutrophication
A change in the amount of oxygen in the water.
2 points
Answers
Answer:
1
Explanation:
who were the neurosurgeons who performed the first major series of commissurotomies for the treatment of intractable epilepsy?
Answers
A neurosurgeon is a medical professional who focuses on the surgical diagnosis and treatment of conditions affecting the central and peripheral nervous systems, such as congenital anomalies, trauma, tumors, vascular issues, infections of the brain or spine, strokes, or degenerative diseases of the spine.
There is a misconception that neurosurgeons only practice surgery. They actually have a ton of other duties. It can be challenging to anticipate all that will be covered during a consultation with a neurosurgeon.
As some of the most skilled and knowledgeable medical specialists, neurosurgeons spend a lot of time discussing unique cases with other physicians. They also have a list of their own cases, all of which present different difficulties. Although many of these patients will probably require surgery, not all of them will.
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The "three R's" describe an infant or toddler's
A. angry reactions to other children.
B. verbal responses to adults.
C. general interactions with others.
D. reaction to physical abuse by another child.
Answers
Answer:
C. general interactions with others.
Explanation:
The "three R's" refers to Respective, Responsive, Reciprocal. These three things are necessary for better growth and education of the child. The "three R's" are very important because the main focus of these "three R's" is to know the method that how the children learn different things. The teacher or parents should respectful while interact with the child. Being gentle is also a form of giving respect to the child. Always give response on the action made by the child.
According to Erikson's psychosocial stages of development, which stage must a 3-year-old accomplish?
1. Generativity vs stagnation
2. Industry vs inferiority
3. Trust vs mistrust
4. Autonomy vs shame
Answers
According to Erikson's psychosocial stages of development, the stage that a 3-year-old must accomplish is autonomy vs shame. This is the third stage of psychosocial development.
Erik Erikson is a famous developmental psychologist who came up with the psychosocial theory. According to his theory, an individual passes through various stages of social and emotional development, each with its particular challenges or conflicts. These conflicts must be overcome for one to develop successfully and healthily. Erikson's psychosocial stages of development include the following:
Trust vs mistrustAutonomy vs shameInitiative vs guiltIndustry vs inferiorityIdentity vs role confusionIntimacy vs isolationGenerativity vs stagnationIntegrity vs despairAnswer: 4. Autonomy vs shame
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