Answer:
Organisms need to detect and respond to changes in their internal and external environment. This is because the conditions inside our body must be carefully controlled for it to function effectively and survive. The control systems that allow organisms to respond to changes are incredibly important.
All control systems include:
Cells called receptors, which detect stimuli (changes in the environment).
The coordination centre, such as the brain, spinal cord or pancreas, which receives and processes information from receptors around the body.
Effectors which bring about responses, and restore optimum levels, such as core body temperature and blood glucose levels. Effectors include muscles and glands, and so responses can include muscle contractions or hormone release
Which of the following statements is true about chemical elements in an ecosystem?
View Available Hint(s)
O They exit the ecosystem in the form of heat.
O They recycle within the ecosystem, being constantly reused.
O They flow through the system, losing some heat in the process.
o They depend on sunlight as their source.
O They cannot be obtained from decomposition.
They are recycle within the ecosystem being constantly reused ( B ) is the true statement
The energy from the sun is use in the formation of nutrients in plants that is consumed by the primary consumers ( Herbivores ) in the ecosystem, while the primary consumers will be consumed by the secondary consumers ( carnivores ). these waste product from the secondary consumers is decomposed by the tertiary consumers ( Fungi and bacteria ) to be reused by the Plants again.
Hence we can conclude that the true statement about the chemical elements in the eco system is that they recycle within the ecosystem being constantly reused.
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When would a point mutation occur?
O It can occur before and after cell division
O Before the cell divides
O After the cell divides
Before DNA replication
Answer:
Point mutations usually take place during DNA replication. DNA replication occurs when one double-stranded DNA molecule creates two single strands of DNA, each of which is a template for the creation of the complementary strand. A single point mutation can change the whole DNA sequence.
Explanation:
DNA replication occurs when one double-stranded DNA molecule creates two single strands of DNA, each of which is a template for the creation of the complementary strand. A single point mutation can change the whole DNA sequence.
Point mutation is the genetic maturation where the single nuclide base is changed s inserted or deleted from the DNS or the RNA.
The impacts can range from nor effects to dangerous effects with regards to protein production composition and function. The point mutation can take place during the DNA replication. Occurring when the double-stranded DNA created town strands.Hence the after the cells divide is correct option C
Learn more about the point mutation occur.
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Describe how oxygen is obtained by the Flatworms.
Horse breeding for specific desired traits is an example of which type of evolutionary evidence?
O selective splicing
O natural selection
mutations
O artificial selection
Answer:
artificial selection
Explanation:
when animals are bred for specific traits it is an example of artificial selection.
hope this helps!
Horse breeding for specific desired traits is a well-established example of artificial selection.
What is artificial selection?Artificial selection is a procedure used by humans to obtain organisms (plants or animals) with desired traits.
The artificial selection allows us to produce offspring having certain phenotypes.In conclusion, horse breeding for specific desired traits is a well-established example of artificial selection.
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Which statement best describes the difference between atria and ventricle ?
Atria push blood from the veins to the ventricles, and ventricles push blood from the atria to the arteries.
Which cell did shyam observed under the microscope *
Prokaryotic cell
Animal Cell
Plant cell
Egg cell
Answer:
Plant cell
Explanation:
Onion, so ofc plant cell
If a fruit fly develops legs on its head instead of antenna, what is the most likely reason?
O Chromosomal non-disjunction resulting in extra sets of genes
O Conjugation errors during reproduction
O Frameshift mutation during transcription of mRNA
O Mutation affecting gene expression
Mutation affecting gene expression is the most likely reason for a fruit fly to develop legs on its head instead of antenna.
WHAT IS MUTATION:
Mutation is the process whereby an alteration or change occurs to the sequence of DNA either by mistake during replication or caused by mutagens.WHAT IS GENE EXPRESSION?
Gene expression is the process by which the information encoded by genes are used to synthesize products such as proteins etc. In the organism described in this question, the fruit fly develops legs on its head instead of antenna, it's most likely because the genes encoding the information for the synthesis of antennas on its head have been CHANGED OR MUTATED, hence, causing something else to be formed there.Therefore, mutations affecting gene expression can cause legs to be formed on the head of fruit fly instead of antenna.
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In a client's training cycle, one day of training session is known as which of the following?
Answer:
Microcycle Mesocycle Macrocycle Peak Cycle.
Explanation:
An example of a prokaryotic cell would
be...
A. a plant cell.
B. an animal cell.
C. a bacteria cell.
Answer:
A bacteria call
Explanation:
Plant and animal cells are eukaryotic cells
Compare and constraint negative and positive feedback mechanism and explain how they relate to homeostasis
Explanation:
Positive feedback occurs to increase the change or output: the result of a reaction is amplified to make it occur more quickly. Negative feedback occurs to reduce the change or output: the result of a reaction is reduced to bring the system back to a stable state.
43. Chordata are
A. Invertebrates
B. Vertebrates
C. Semi-vertebrates (partial spine)
D. None of the above
Answer:
chordata are vertebrates
hope it helps you
Explain the relationship between urea cycle and citric acid cycle?
Answer:
one of its nitrogens through transamination of oxalacetate to form asparate and returns fumarate to that cycle.
Explanation:
The urea cycle is linked to the citric acid cycle by fumarate and by aspartate, which can be con- verted to malate by transamination (see Figure 23.22). ... Aspartate and arginosuccinate are the amino acids that link the two pathways. Aspartate is made by transamination of OxaloacetatA.
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A 23-year-old man with an intellectual disability entered an institution because of polydipsia. He had habitually and repeatedly drunk considerable volumes and experienced diarrhoea and vomiting. This behaviour was uncontrollable; therefore, his family decided to admit him. The night of the day following his admission, he suddenly fell and was found unconscious. The patient died despite immediate transport to the emergency room by ambulance.
Autopsy findings:
The patient's height and weight were 166 cm and 49.4 kg, respectively. The external examination revealed no significant findings except a contusion on the facial region that resulted from his fall. The brain weighed 1383 g, with congestion. The heart weighed 328 g, and sclerosis and stenosis of the coronary arteries were not detected. The lungs weighed 422 g (left) and 509 g (right) with a high degree of swelling; the trachea and bronchi were empty. The greater curvature of the stomach was ruptured because of cardiac massage, and 3100 cc of fluid with food debris was observed in the intraperitoneal space. The bladder was empty, likely because of urethral catheterization, alepath Histological analyses revealed edema of the subarachnoid space. Protrusion and surrounding vacuolization were observed at the cardiac vessels. A portion of the cardiac muscle bundles was expanded. The lungs showed fluid in the bronchi, expansion of the capillary vessels, and deposition of fibrin around the vessels. The kidney showed edema of the tubular epithelium.
Serum Na value was <100mEq/L.
Briefly discuss about this case using the knowledge from chapter of cells and particularly chapter on plasma membrane and movement of molecules.
Answer:
Sorry,I don't know
Explanation:
Please help me please find the answer
Answer:
Explanation:
atom>molecule>cell organalles>cell>tissue>organ system>organism>population>community
What holds a moon in its orbit?
A. the heat generated by the planet it orbits
B. the gravitational pull of the planet it orbits
C. its own internal magnetism
D. the gravitational pull of the star it orbits
Rese
Answer:
I think its B the answer. since earth pulls it gravitationally towards us
Answer:
Yes option ( B ) is right answer
due to gravitational pull of the planet it orbits
which two sentences best describe the role of the setting in the story
Answer: Hello There!...................
The setting helps reveal the speaker's joyous attitude.
The setting helps develop the theme of freedom in the story.
Explanation:
Mark me brainest please. Hope this helps. Anna ♥
Explanation:
Setting is one of the elements of a story. It is the context that surrounds the story - be it fiction or non-fiction -, its time and place. It usually takes one of three forms: an outdoor place, such as a forest; a public or private place that has some importance for the characters, such as a house or a park; the cultural and historical background, which helps readers understand what sort of influences that characters were under.
Thus, the setting is a vital element to convey ideas and theme, as well as create the mood and emotional response for readers. The setting can be so important in a narrative that it may become a character in itself. In Edgar Allan Poe's "The Fall of the House of Usher", for example, the house where Usher lives influences him and the narrator. It's as if the house is alive, haunted, driving those who stay in it to madness. Without the proper setting, however, this story wouldn't provoke the same emotional response in readers - fear, suspense etc.
A mint plant grows many horizontal branches along the ground from which new plants can arise. How can this be harmful to the growing plants?
Answer:
The aromatic aroma of mint isn’t as pleasing to many crop pests, so planting crops next to mint can deter these plant nemeses.
Explanation:
Mint can suffer from several plant diseases such as verticillium wilt, mint rust, mint anthracnose. If these strike, the best thing to do is get rid of your mint plants and get new, healthy ones. Just don't place them in the same spot or potting soil because that increases the chances that the disease will spread to the replacement plants as well. In Other Words, If you're feeling kind, you can call mint plants aggressive. If you don't like thugs taking over your garden, you will consider mint invasive. Because it grows by underground root runners, mint spreads easily and quickly. To contain it, grow mint in a 12- to 16-inch-wide pot so it can't ramble through your landscape.
I Hope This Helps.
In a solution, the more abundant substance that dissolves another substance is known as what?
Answer:
solvent.
Explanation:
the more abundant dissolving substance in a solution. supersaturated solution.
help pls !!! i’ll give u brainliets
Answer:
The first one is doubled, the third one is slowed down. The second one is shrink.
what is biological theories of development?
Answer:
devoted to theoretical advances in the fields of evolution and cognition with an emphasis on the conceptual integration afforded by evolutionary and developmental approaches.
Which statement about enzymes is correct?
Answer:
Enzymes are specific because of their shape and catalyse only certain reaction
plss mark brainliesttt
9. What types of tissue make up the human skeleton?…………..
A. Molecules, organs and systems
B. Bones, cartilage, and ligaments
C. Cells, tissue, and organs
D. None of the above
Answer:
c
Explanation:
because it is
I do not understand 2,3 and 9
Answer:
2,) somatic cells, adult stem cells and cells in the embryo go through Mitosis. 3,)Three major cell populations in the body don't undergo mitosis. Post-mitotic cells don't divide further after they reach maturity. These include erythrocytes, platelets, neurons, retinal photoreceptors, cardiac cells and skeletal muscle cells. 9.) chromosomes
What is a cephalopod?
A cephalopod is a predatory-like mollusk of the large molluscan class of Cephalopodan animals. This includes cuttlefish, octopus, squid, and/or nautilus. They are animals that live in the ocean. Additionally they eat foods like fish and jellyfish on regular and customary occasions. They sometimes possess cannibalism by eating their own species, which is absolutely crazy. Anyways, I hope that this has helped you today.. :)
Cephalopods are mollusks that live in the ocean.
What is the frequency of a wave that has a period of 0.5 seconds
Answer:
Explanation:Each drum must endure for one-half a second, so the period is 0.5 s. If the woodpecker drums upon a tree 4 times in one second, then the frequency is 4 Hz; each drum must endure for one-fourth a second, so the period is 0.25 s.
Immediately after an embryo forms, it begins to replicate new cells. What is the most likely type of cells that form during the first few divisions?
pluripotent cells
multipotent cells
totipotent cells
oligopotent cells
Answer:
Multiponent cells
Explanation:
Multiponent cells are most likely to form after the first few divisions, if u dont belive me check your lesson.
trust my answers if YOU want to.
The most likely type of cells that form during the first few divisions is referred to as the multipotent cells.
Multipotent cells have the ability to replicate and differentiate into more
than one type of cells.The differentiation brings about specialization of the
cells which involves a group of cells which are formed having similar
structures and being able to perform similar functions.
This ensures that the human cells have their unique structure and functions
thereby enabling them work together to achieve a common goal.
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help me please.......
Answer:
the pictures is blur and not clear
………………………dguhbjirviuhb
oque faz no branly pq n sei como mecher nele vcs podem me ajudar
Answer: Se você precisar de ajuda com uma pergunta sobre o dever de casa, pode perguntar aqui e alguém pode ajudá-lo
Explanation:
