Which event describes how water cycles through living things? A. Waves crash down on a beach. B. Runoff eventually spills into the ocean. C. Humans sweat in a tropical heat. D. Rocks break off the side of a cliff.
it is C. Humans sweat in a tropical heat
Answer:
the answer is c
Explanation:
BECAUSE I SAID SO
Which of these is a disadvantage of using renewable resources, such as wind energy and sunlight, instead of using renewable resources?
A) Renewable resources are widely available.
B) Renewable resources can be impacted by weather.
C) Renewable resources produce less waste materials.
D) Renewable resources must be imported from other countries.
Answer:
The Correct Answer is B.
Explanation:
Renewable energy also depends on weather for its sources of power.Hydro generators required rain to fill dams to supply flowing water.It is difficult to produce that much electricity as we can produce by the traditional methods by using fossil fuels.Wind turbines need wind and solar energy need a clear sky and sunny day to collect heat and produce electricity.
Renewable resources can be impacted by weather because it is present in open environment.
Factors affecting renewable energyRenewable energy technologies are highly dependent on climatic factors such as sunlight, wind speed and water availability. Due to direct interaction with environment, the renewable resources can be affected by weather conditions so we can conclude that renewable resources can be impacted by weather because it is present in open environment.
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Could rna have been the original site of information storage in the primitive cell? a difficult problem with this possibility is that
Out of the following given choices;
a. RNA is not able to carry information.
b. RNA is more complex in structure than DNA.
c. RNA would get stuck on the inner surface of the nuclear membrane.
d. primitive cells would not let RNA molecules across their membranes.
e. no conditions exist that favor production of both the sugar and base parts of an RNA monomer
The answer is E. According to evolution, the best adaptable trait in an environment is highly preserved. The chemical properties of RNA make large RNA molecules inherently fragile, and they can easily be broken down into their constituent. Therefore it is unconvincing that was it was used to store critical genetic information.
RNA could have been the original site of information storage in primitive cells.
This hypothesis, known as the RNA world hypothesis, suggests that RNA molecules played a crucial role in early life forms by serving as both genetic material and catalysts for biochemical reactions.
RNA is capable of storing genetic information like DNA and can also catalyze chemical reactions like proteins, making it a plausible candidate for the first molecule to carry out these functions in primitive cells.
However, one of the challenges with this possibility is that RNA molecules can be unstable and prone to degradation, raising questions about their ability to persist and function effectively as the sole information storage system in early cells.
Plants transfer carbon in the carbon cycle
A. through assimilation of carbon from the soil.
B. through fixation of carbon in the soil
C. when carbon transpires from their stomatae
D. when they are eaten by animals.
Answer:
the answer is D
Explanation:
Because when they are eaten their left over air goes into the other animals.
The centrosome and centrioles are crucial for the process of cell division in animal cells. During cell division, two centrioles come together with some other special proteins and form the centrosome. As mitosis progresses and chromosomes line up at the equator of the cell, the centrosomes are responsible for what occurrence in the dividing cell? A) They help the cell's nucleus replicate DNA. B) They are responsible for pinching the single nucleus into two at the end of mitosis. C) They are responsible for the production of the proteins that reform the nuclear membrane. Eliminate D) They produce microtubules that attach themselves to the chromosomes and aid in separating them.
Answer:The answer is D) They produce microtubules that attach themselves to the chromosomes and aid in separating them.
Explanation:
Faking your experimental results is called _____.
Answer:
scientific misconduct
Explanation:
The term “misconduct in research” applies to any action involving improper treatment of the subjects involved in research, or purposeful manipulation of experimental scientific results in a way that does not reflect the truth. Although relatively easy to conceptualize, it is often difficult to identify - especially in scientific publications.
There are numerous types of misconduct in research reporting. Among the most serious are falsification (alteration / misrepresentation) or the fabrication of data and images, as they distort the truth and lead to false assumptions, confusing clinicians and / or researchers.
As the individual body size of an organism increases, the population density for this organism in a given habitat tends to
A person can see clearly up close, but cannot focus on objects beyond 82.0 cm . she opts for contact lenses to correct her vision. part a part complete is she nearsighted or farsighted? is she nearsighted or farsighted? she is nearsighted. she is farsighted.
What are the "pieces of bread" on either side of the "sandwich generation?"?
____ is a group of cells that work together to perform a specific function? Need answer asap
Explain the characteristics of Archaebacteria?
Meiosis creates genetic ______ in cells. (2 points) variety consistency similarities replicas
What reflects both genetic and environmental influences?
What is lanugo? very fine, soft hair on the face and arms of people with anorexia nervosa a sudden drop in blood pressure from excessive dieting a side effect of liposuction surgery a supplement claimed to increase metabolism 1 points?
17. Biologists have hypothesized that echinoderms are closely related to chordates because both groups are deuterostomes.
Answer:
True
Explanation:
15- happens daily
16- courtship
Of the components that make up one's total energy expenditure, which is controlled by the person?
Total daily energy expenditure (TDEE) represents calories burned vs calories consumed or the total number of calories you burn for energy each day. It consists of three main components:
1. Resting metabolic rate (RMR) or Basal metabolic rate (BMR)- It is the energy which is associated with the maintenance of major body functions.
2. The thermic effect of activity (TEA) or Activity thermogenesis- It is the energy expenditure due to physical work, muscular activity or physical exercise and it is controlled by a person.Jon has been experiencing increased thirst, increased hunger, and an increase in the frequency of urination. Jon's doctor suspects uncontrolled diabetes and orders a urinalysis. From the symptoms and test order, what condition does Jon's doctor want to confirm?
Answer: C. polyuria
Explanation:
Paraquat is a general herbicide that kills most types of plants. in a population of ferns, it was found that 40% of the gametophytes showed resistance to paraquat (resistance is caused by a recessive allele). what is the expected frequency of resistant sporophytes in this population?\
Final answer:
Using the Hardy-Weinberg principle, the expected frequency of resistant sporophytes due to a recessive allele in a population of ferns, where 40% of the gametophytes show resistance to paraquat, is 16%.
Explanation:
If 40% of the gametophytes are resistant to paraquat and the resistance is due to a recessive allele, we can infer that these gametophytes are homozygous recessive for the trait (rr). Using the Hardy-Weinberg principle, we can calculate the frequency of the recessive allele 'r' in the population.
Let 'p' be the frequency of the dominant allele 'R' and 'q' be the frequency of the recessive allele 'r'. Since the gametophytes are haploid, the frequency of resistant gametophytes (rr) is equivalent to the frequency of the recessive allele 'q', so q = 0.40. After finding 'q', we can use p + q = 1 to find 'p'.
To find the expected frequency of resistant sporophytes, which are diploid, we need to calculate the proportion of rr individuals in the population. This is given by q² (the square of the recessive allele frequency).
Therefore, the expected frequency of resistant sporophytes in the population would be q² = 0.40² = 0.16, or 16%.
Cellular respiration in animals is necessary to transfer the chemical energy from sugar obtained from their food into ATP for use throughout the body. Which two systems work together to transport the sugar from food to the cells in the organism’s brain?
Final answer:
The digestive system and the cardiovascular system work together to transport sugar from food to the cells in the organism's brain.
Explanation:
The two systems that work together to transport sugar from food to the cells in the organism's brain are the digestive system and the cardiovascular system.
In the digestive system, food is broken down into glucose, a simple sugar that is then absorbed into the bloodstream.
The cardiovascular system, consisting of the heart and blood vessels, transports the glucose-rich blood to the brain and other cells in the body where it can be used for cellular respiration.
Which group is highest in the hierarchy of life and thus includes the other
What property of light allows a mirror to show your image?
Light reflection is the property that enables a mirror to show your image.
Light exhibits the property of reflection that allows a mirror to show your image. When light hits a mirror, it follows the law of reflection, where the angle of incidence equals the angle of reflection, creating a virtual image behind the mirror.
Question 47 Unsaved
The area of land on which all runoff, sediment, and water-soluble substances flow to a single surface water outlet (like a river or stream) is called
1)
recharge zone
2)
aquifer
3)
buffer strip
4)
watershed
The correct answer is option 4, that is, watershed.
Watershed refers to the area of land, which channels snowmelt and rainfall to the streams, creeks, and rivers, and finally to the points of outflow, like the bays, reservoirs, and the ocean.
The size of a watershed, also known as a catchment or a drainage basin is illustrated on many scales, considered to as its hydrological unit codes, on the basis of its geography, which is most relevant to its particular region. A watershed can be small, like as a single county or modest as an inland lake.
What is formed by the mixing of salty sea water and fresh river water
Is it normal or abnormal to have respiratory depression after a bronchoscopy hurst review?
"Respiratory depression following a bronchoscopy is generally considered abnormal, as it is a potential complication rather than a typical outcome of the procedure.
Bronchoscopy is a diagnostic procedure that allows a doctor to examine the airways of the lungs. It is performed by inserting a bronchoscope, a thin tube with a light and a camera on the end, through the nose or mouth and into the lungs. The procedure can be uncomfortable, and sedatives or anesthetics are often used to reduce discomfort and relax the patient.
While some temporary changes in respiratory function are expected due to the nature of the procedure and the effects of sedation, significant respiratory depression is not a standard outcome. Respiratory depression is a serious condition characterized by slow and ineffective breathing, which can lead to an insufficient supply of oxygen to the body's tissues and an elevated level of carbon dioxide in the blood.
The causes of respiratory depression after bronchoscopy can include:
1. Over-sedation: Excessive administration of sedatives can lead to respiratory depression.
2. Reaction to anesthesia: Some patients may have an adverse reaction to the anesthetic agents used during the procedure.
3. Laryngospasm: This is a reflexive spasm of the vocal cords, which can cause difficulty breathing.
4. Bronchospasm: Similar to laryngospasm, this is a constriction of the airways in the lungs, which can also lead to breathing difficulties.
5. Pneumothorax: This is a rare complication where air gets into the space between the lung and the chest wall, potentially causing the lung to collapse.
6. Infection: Although rare, an infection introduced during the procedure could potentially lead to respiratory compromise.
Healthcare providers monitor patients closely during and after bronchoscopy to detect and manage any complications, including respiratory depression. If respiratory depression is observed, it is addressed immediately with appropriate medical interventions, which may include supplemental oxygen, reversal agents for sedatives, or ventilatory support
In summary, while some degree of altered respiratory function can be expected following a bronchoscopy due to sedation and the procedure itself, significant respiratory depression is considered abnormal and requires prompt medical attention."
A body of water, located near Fresh Kills, is highly polluted because rain washes toxic materials from Fresh Kills into the water. This process is known as _____.
Scientists discovered fossil evidence of mesohippus, an ancestor of the modern horse. Mesohippus lived in North America about 40 million years ago. Mesohippus was about two feet tall, ran on hooves with three toes, and had large, grinding teeth. It is believed that these early horses lived in the thick forests. What may have helped horses change over the last 40 million years?
Answer:
Option C
Explanation:
Please see thee attachment
Ribosomes create, or synthesize, proteins through the use of DNA and RNA. Which of these is a step in protein synthesis?
In protein synthesis, DNA is transcribed into mRNA which then travels to ribosomes. Ribosomes read the genetic instructions on the mRNA and translate them into a specific sequence of amino acids to form a protein, a process assisted by tRNA.
Explanation:In the context of protein synthesis, a crucial step involves the functioning of ribosomes which are complex entities consisting of protein and RNA, functioning in the translation phase. Ribosomes read the genetic information given by the sequence of nitrogenous bases in the messenger RNA (mRNA), which is transcribed from DNA in the nucleus of the cell. The genetic code on mRNA gets translated into a specific sequence of amino acids in a protein, with the help of transfer RNA (tRNA), forming polypeptides. Errors in this process can lead to incorrect or dysfunctional proteins. In summary, the primary step in protein synthesis is transcription of DNA to mRNA, then comes the translation of mRNA to a sequence of amino acids to form a protein, all under the control of ribosomes.
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When an animal loses a lot of blood, what do baroreceptors tend to signal to the animal?
Next to each gland listed below, write the name of the hormone or hormones it produces.
true or false: the only predictable thing about a drug is that it will make you sick.