the alimentary canal and accessory organs are a(n) the alimentary canal and accessory organs are a(n) organelle organ system tissue cell
Answers
The alimentary canal and accessory organs are an organ system. They secrete digestive enzymes and fluids that help to break down food in the small intestine.
What are accessory organs?Accessory organs are organs that aid in the digestion process but are not part of the alimentary canal. The liver, pancreas, and gallbladder are some of these organs. For example, the liver produces bile, which helps to break down fats, while the pancreas secretes pancreatic juice that contains digestive enzymes to further break down proteins, carbohydrates, and fats. Each organ in a system contributes to the overall function of that system, and the systems work together to maintain homeostasis and keep the body functioning properly. When necessary, the gallbladder releases stored bile into the small intestine.
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Related Questions
_______ is the vertebrate sense in which the "resting," or unexcited, condition of the receptor is depolarized.
Answers
A is the vertebrate sense in which the "resting," or unexcited, condition of the receptor is depolarized effect of anxiety (low vs. high) and stress (low vs. moderate vs. high) on test.
Everyone experiences anxiety occasionally, but persistent anxiety can reduce your quality of life. Though likely best known for altering behavior, worry can have negative vertebrate on our physical health. niety speeds up our heartbeat and breathing, concentrating blood flow to the parts of our brains that need it. You are getting vertebrate for a challenging situation by having this extremely bodily reaction. Test performance may be impacted by anxiety. According to studies, pupils with low levels of test anxiety perform better on multiple-choice question (MCQ) exams than pupils with high levels of anxiety. Studies have indicated that female students have greater levels of test anxiety than male students.
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What can you do to verify its purity?
Answers
Answer:
To verify you have a pure sample use the sterile needle to isolate and grow on a new streak plate to make sure you see only one culture.
Explanation:
the restriction endonuclease ecori cuts the palindromic sequence gaattc. what are the odds that it will cut a random stretch of 6 nucleotides?
Answers
Answer: The odds of the restriction endonuclease EcoRI cutting a random stretch of 6 nucleotides is 1 in 4096.
The restriction endonuclease EcoRI recognizes and cuts the palindromic sequence GAATTC. To calculate the odds of it cutting a random stretch of 6 nucleotides, we need to consider the probability of each nucleotide being recognized by EcoRI.
Since the recognition sequence is 6 nucleotides long, we can calculate the probability of EcoRI recognizing each nucleotide by taking into account the composition of DNA. DNA is made up of four nucleotides: adenine (A), cytosine (C), guanine (G), and thymine (T).
In the DNA sequence, each nucleotide has an equal chance of occurring. Therefore, the probability of any specific nucleotide being recognized is 1/4.
To calculate the probability of EcoRI recognizing a specific 6-nucleotide sequence, we need to multiply the individual probabilities together. Since the recognition sequence is GAATTC, we can calculate the probability as follows
Probability = (1/4) * (1/4) * (1/4) * (1/4) * (1/4) * (1/4)
Simplifying the calculation, we get:
Probability = (1/4)^6
The probability of EcoRI recognizing a specific 6-nucleotide sequence is therefore (1/4)^6, or 1/4096.
So, the odds of EcoRI cutting a random stretch of 6 nucleotides is 1 in 4096.
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Classify each phrase or term as applying to fly A only, fly B only, or both fly A and fly B. The term "Hox genes" applies to clusters of homeotic genes found in many different animals, including fruit flies. After segmentation genes have established the body segments, Hox genes trigger the development of segment-specific body structures in the correct locations.
Answers
The term "Hox genes" applies to both fly A and fly B. The correct option is fly A and fly B.
Hox genes are clusters of homeotic genes found in many different animals, including fruit flies. They play a crucial role in triggering the development of segment-specific body structures in the correct locations after segmentation genes have established the body segments. Therefore, both fly A and fly B, being fruit flies, have Hox genes that are responsible for their body structures' development.
The study of Hox genes in fruit flies has been fundamental in understanding their role in body development and providing insights into how genes control the formation of body structures in other animals, including humans. In conclusion, the term "Hox genes" applies to both fly A and fly B, indicating their importance in fruit flies' development.
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1. Sharks appear.
2. Insects appear.
3. Fishes with jaws appear.
Which of these best orders the events from the earliest to the most recent?
Answers
Answer:
3 1 2
Explanation:
simple organisms apeared first insects would be less complicated than fish the came sharks as they are more complex organisms also insects were first to be food for fish and fish food for sharks
Many tree frog populations are threatened due to habitat loss. In an effort to promote conservation, tree frogs may be bred in captivity. A zoo acquired male and female tree frogs from two different populations. In the zoo, the tree frogs were able to successfully mate within their own population, but breeding attempts between the two populations were unsuccessful.
Based on this information, which statement correctly describes the relationship between the two populations of tree frogs?
A.They are in the same species but different kingdoms.
B.They are in the same genus but different species.
C.They are in the same family but different orders.
D.They are in the same class but different phyla.
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1. Earth's layers vary in pressure. The pressure decreases or increases as
you move towards the core? *
Your answer
Answers
What roles do humans play in biomagnification?
Answers
Answer:
The food chain
Explanation:
Biomagnification affects humans the most because we are at the top of the food chain, thus the accumulated toxins and chemicals are in their largest concentration amongst us.
the primary purpose of cellular respiration in living organisms is to
Answers
the primary purpose of cellular respiration in living organisms is to produce biologically useful energy in the form of ATP. it takes place in mitochondria and cytoplasm.
Through a sequence of chemical processes called cellular respiration, glucose is broken down to create ATP, which can then be used as energy for a variety of bodily functions. Glycolysis, the citric acid cycle, and oxidative phosphorylation are the three primary phases of cellular respiration. The citric acid cycle happens in the mitochondrial matrix, oxidative phosphorylation takes place on the inner mitochondrial membrane, and glycolysis happens in the cytoplasm. Glucose, ATP, and NAD+ are the initial reactants and ATP and water are the end products of cellular respiration. Phosphofructokinase-1, pyruvate dehydrogenase, and isocitrate dehydrogenase are the enzymes that control the rate of cellular respiration.
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Based on the number of offspring they produce at one time, organisms are classified into two categories many offspring at once and a few at a time. Sort the characteristics based on the category they describe. low percentage of offspring reach adulthood limited parental involvement high percentage of offspring reach adulthood rapid maturation parental care observed Few Offspring at Once Many Offspring at Once
Answers
Answer:
Few offspring at once
C. High percentage of offspring reach adulthood,
E. Parental care observed,
Many offspring at once
A. Low percentage of offspring reach adulthood,
B. limited parental involvement,
D.Rapid maturation,
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In multicellular organisms, cells that do a specific job are often grouped together into masses or layers that are more complex systems. What ar these more complex systems called?
Answers
Answer:
Tissues.
Explanation:
In Multicellular organisms' cells that work together for a common focus are divided into different sects if you will, the basics of Organelles which group into Cells > Tissues which then combine into Organs > Organ Systems and then the Organism itself.
Media consumption is the:
A. Number of meals a person eats while using media.
B. Amount of money someone spends on networking devices.
C. Amounts of media a person uses on a regular basis.
D.number of media devices that are for sale online.
Answers
Answer:
C.
Explanation:
Media consumption is defined as the sum of information and entertainment media taken in by an individual or group.
Chlorophyll creates___
and recycle oxygen.
Answers
Answer:
sugary carbohydrates
Explanation:
Chlorophyll captures the sun's rays and creates sugary carbohydrates or energy during photosynthesis which allows the plant to grow.
1. A change in an organism's surroundings that causes it to react is called
Answers
Answer:
I believe that's adaptation
Explanation:
I might be wrong
A student is performing research on familial genetics. The student notices that certain traits are found only on the mother's side of the family while other traits seem to be common in the father's side of the family. Which explanation BEST identifies why freckles may be common on one side of the family while baldness is common on another side of the family?
Answers
Answer: A
This is the right answer because I said so #Believeinme
Male pattern baldness may have developed to improve the production of vitamin D because it expands the area of skin that is exposed to sunshine, according to a study. Thus, option A is correct.
What are the genetic trait of baldness affect?Men do receive the major baldness gene from their mothers on the X, or feminine, chromosome.
A 2005 study from the German university of Bonn, which also contributed to the mother myth, backed up this claim. And it is accurate to say that the mother's side has a stronger hereditary influence.
Men don't get fully bald for 15 to 25 years on average. At any age, this process can start. By the age of 60, around two thirds of men are either bald or have a balding pattern. In conclusion, there is no specific age at which you should anticipate experiencing hair loss.
Therefore, Prostate cancer, which disrupts reproduction and may cause early death, is prevented by this vitamin.
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what are made out of proteins and help you feel emotions
Answers
Answer:
Brain cells communicate with one another via chemical messengers called neurotransmitters, which are usually made of amino acids, the building blocks of protein. What you eat affects which nerve chemicals will be dominant in your brain, which affects how you feel
Explanation:
Tiny pores present on the surface of leaves through which gaseous exchange occurs are called
Answers
Answer:
stomata IS THE CORRECT ANSWER
IF IT IS CORRECT FOLLOW ME
Determining enzyme activity Enzyme activity can be determined in the following ways: Check All That Apply O by measuring how much of the enzyme is consumed O by measuring how much of the substrate is consumed acesO by measuring how much of the product is produced O determining when the amount of substrate is equal to the amount of productO by measuring the ratio of enzyme to substrate concentration
Answers
Enzyme activity can be determined (b) by measuring how much of the substrate is consumed aces and (c) by measuring how much of the product is produced O determining when the amount of substrate is equal to the amount of product.
Usually, the purpose of cultivating bugs in a plant is to increase enzyme activity. A biological catalyst is an enzyme. They decrease activation energy, just like other catalysts, enabling processes to go in the desired direction.
They are often sensitive to the temperature, pH, and salt content of the environment they function in since their action depends on the folding of a protein. There are few exceptions to this rule, such as the enzymes used in washing powder, but generally speaking, activity may be reduced (reversibly) when slight departures from their tolerance limits occur.
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Communities with cold winters often spread salt on roadways. Salt lowers the melting point of water, which means slippery snow and ice will melt instead of building up on roads. While this does prevent car accidents, it poses certain problems. What is the most serious problem that could occur to local ecosystems due to road salt?.
Answers
Problems in ecosystem due to road salt are flooding, damage to plant life, water pollution and accidents.
What is ecosystem?An ecosystem is a region where a bubble of life is created by plants, animals, and other species working together with the weather and topography. Ecosystems are made up of both biotic, or living, and abiotic, or non-living, components.
The cause of the problem is floods caused by excessive ice and snow melting, damage to local plants caused content of salt in the soil, animals that lick salt are prone to accidents, significant increases in soil erosion rates influence the water quality of streams and rivers.
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an impulse traveling up the spinal cord first enters the brain at the:___
Answers
An impulse travelling up the spinal cord first enters the brain at the lower part of the brainstem.
The brainstem is the connection between the brain and the spinal cord. It consists of three parts: the medulla oblongata, the pons, and the midbrain.
The medulla oblongata is the most inferior part of the brainstem and is responsible for controlling vital functions such as heart rate, breathing, and blood pressure. The pons is located above the medulla oblongata and is involved in relaying information between different parts of the brain, as well as controlling some essential functions such as sleep and arousal. The midbrain is the most superior part of the brainstem and is responsible for coordinating visual and auditory reflexes.
When an impulse travels up the spinal cord, it first enters the brainstem and then continues to ascend through different regions of the brain, such as the thalamus and the cerebral cortex. The thalamus acts as a relay station, transmitting sensory information to different parts of the brain for further processing. The cerebral cortex is responsible for higher-level functions such as consciousness, perception, and voluntary movement.
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what will happen to a population of organisms that are in an environment with little to no oxygen?
Answers
Answer:
Hypoxia occurs when algae and other organisms die from lack of oxygen and available nutrients. Hypoxia events often follow algal blooms. The cyanobacteria, algae, and phytoplankton sink to the seafloor, and are decomposed by bacteria. This lack of oxygen creates dead zones in which most aquatic species cannot survive.
Explanation:
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When does DNA replication occur within the cell cycle?
Answers
Answer:
Interphase
Explanation:
The S phase of a cell cycle occurs during interphase, before mitosis or meiosis, and is responsible for the synthesis or replication of DNA. In this way, the genetic material of a cell is doubled before it enters mitosis or meiosis, allowing there to be enough DNA to be split into daughter cells.
During osmosis, water moves down its own concentration gradient. How is it possible to reduce the concentration of a solvent?
A Only solutes can change concentration; solvents never change.
B When solvents dissolve solutes, the solvent concentration increases.
C When more solutes are dissolved in solvents, the concentration of the solute increases, but per unit volume, the concentration of the solvent decreases.
D Solvents are repelled by solutes and tend to move away from them.
Answers
During osmosis, water moves down its own concentration gradient. Option A: Only solutes can change concentration; solvents never change its possible to reduce the concentration of a solvent.
The technique of dilution is used to lower the concentration of a solute in a solution. Typically, this is done by simply adding more solvent, such as water, to the solution. By adding additional solvent to a solution without also adding more solute, you can dilute it. To make sure that every component of the solution is the same, the final mixture is carefully blended.
For instance, gases and vapours diluted in air exhibit the same direct relationship. It might be more difficult to achieve comprehensive gas and vapour mixing, though.
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Identify the choice that best completes the statement or answers the
question.
Maria gets a kit that lets you grow a mineral. The instructions say to
pour a packet of liquid into a small container and to place the
container in a sunny area. Maria follows the directions and when the
liquid evaporates, she observes tiny minerals that are left behind in
the container.
What is this process called?
Answers
Place the events in order of what happens when a neuron fires an action potential.
a.The neuron begins to repolarize.
b.As the charge returns to the resting potential, the refractory period ends.
c.Ions rush into the cell via ion channels along its dendrites.
d.The voltage inside the neuron transitions from negative to positive, triggering an action potential to fire down the axon.
e.The cell reaches an even more negative charge than when it started, briefly making another action potential impossible.
Answers
The events in order when a neuron fires an action potential are c.Ions rush into the cell via ion channels along its dendrites., d.The voltage inside the neuron transitions from negative to positive, triggering an action potential to fire down the axon. a.The neuron begins to repolarize, e.The cell reaches an even more negative charge than when it started, briefly making another action potential impossible. and b.As the charge returns to the resting potential, the refractory period ends.
What is a membrane action potential?A membrane action potential is an expression used to denote the change in the electrical charge of the neuro cell that leads to the transmission of the signal
Therefore, with this data, we can see that an action potential is based on changes in the electrical signals in the nerve cells.
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Which part of the nervous system is the first to respond when Joshue feels a raindrop fall on his arm?
Answers
Answer:
The right answer is the sensory neuron.
Explanation:
The sensory neuron, or sensory neuron, is a neuron located in a sensory ganglion that plays a role in the perception of a stimulus. Sensory neurons are often referred to as "afferent fibers". For example, a sensory neuron can be used for the perception of heat, or contact with an object.
The crust is the thickest layer of the earth true or false
Answers
Answer:
The crust is not the thickest layer of earth
:)
Answer:
No
Explanation:
The core is the thickest layer of the earth! Which the crust is relatively thin compared to the other layers
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Construct an Explanation, How do characteristic properties help you determine wheter a chemical change or a physical change has occured?
I NEED HELP, PLEASE ANYONE HELP!!!!
Answers
people who believe in the ""nature"" side of the nature versus nurture debate believe that the environment has the strongest effect on children. true false
Answers
The statement "People who believe in the 'nature' side of the nature versus nurture debate believe that the environment has the strongest effect on children" is false.
The nature versus nurture debate is a longstanding argument that considers whether genetics or the environment has the greatest impact on an individual's behavior, intelligence, and personality.People who believe in the "nature" side of the debate believe that an individual's genetic makeup is the primary determinant of their behavior, intelligence, and personality. They argue that our physical and mental characteristics are primarily determined by our genes.People who believe in the "nurture" side of the debate, on the other hand, believe that the environment has the strongest effect on children. They argue that factors such as parenting, education, culture, and experiences shape an individual's behavior, intelligence, and personality.Therefore, the statement "People who believe in the 'nature' side of the nature versus nurture debate believe that the environment has the strongest effect on children" is not true.
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Why do camels have a long neck? 1)More vertebrae 2)Vertebral plates between adjacent vertebrae 3)Increase in size of each vertebra 4)Cartilage pads between each vertebra
Answers
Answer:
The correct answer is option 3) "Increase in size of each vertebra".
Explanation:
Camels have adapted to live in desert conditions by developing distinctive physical characteristics. One of them is to have a long neck that enable them to reach water or food that is up to three meters above the ground. Camels have developed its long neck by having an increased size of each vertebra. Actually, camels have vertebra that is stout, large and less constricted than the average vertebra in mammals.