Final answer:
Groundwater can both remove and deposit mineral material, depending on its flow and the surrounding materials.
Explanation:
Groundwater can both remove and deposit mineral material through various processes. When groundwater flows through porous materials like sand and gravel, it can erode and dissolve minerals, carrying them away. This is how groundwater can remove mineral material. On the other hand, when the flow of groundwater slows down or stops, the minerals it carries can precipitate out and get deposited in the pores or fissures of the surrounding materials. This is how groundwater can deposit mineral material.
in the nervous system information is passed through the body's ____, while in the endocrine system information is passed through the body's ____.
The ________ nervous system is responsible for stimulating digestion and causing the bladder to contract
Answer:
Parasympathetic nervous system.
Explanation:
Parasympathetic nervous system is one of the division of the autonomic nervous system, that regulates the proper functioning of the body.
Parasympathetic nervous system controls the process of digestion, conserves energy and slows the heart rate of the organisms. This nervous system causes relaxation of the sphincter muscles of the digestive tract. The bladder contraction is also caused the stimulation of the parasympathetic nerves.
Thus, the answer is parasympathetic nervous system.
In c3 plants the conservation of water promotes _____. in c3 plants the conservation of water promotes _____.
In C3 plants, the conservation of water promotes increased efficiency and survival in harsh dry heat conditions. Two adaptations have evolved in these plants to conserve water. First, they have a more efficient use of CO2, allowing photosynthesis to occur even when the stomata are closed on hot days.
Explanation:In C3 plants, the conservation of water promotes increased efficiency and survival in harsh dry heat conditions. Two adaptations have evolved in these plants to conserve water. First, they have a more efficient use of CO2, allowing photosynthesis to occur even when the stomata are closed on hot days.
Second, preliminary reactions of the Calvin cycle take place at night, when cooler temperatures allow the stomata to remain closed and conserve water. These adaptations help the plants carry out low levels of photosynthesis without opening the stomata at all.
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Luke plays football. his coach measured his body fat at 24 percent. luke is
Luke has a body fat percentage of 24%, which is relatively high and may indicate the need for some lifestyle changes to improve his health and athletic performance.
Explanation:Answer:Luke's body fat percentage of 24% indicates that he has a relatively high amount of fat in his body compared to his total body weight.
This measurement is commonly used as an indicator of overall health and fitness level, as higher body fat percentages can increase the risk of certain health conditions.
To improve his health and athletic performance, Luke may consider engaging in regular exercise and following a balanced diet.
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Sickle-cell anemia is a disease that is caused by a change in the gene sequence by _____.
one amino acid
two amino acids
three amino acids
four amino acids
Pancreatic cancer, or _____ is the fourth leading cause of cancer death in the united states
A 68-year-old obese woman presents with a markedly decreased level of consciousness. she was found in bed by her husband. your primary assessment reveals that her respirations are slow and shallow, her pulse is slow and weak, and her skin is cold and dry. according to the patient's husband, she has had a recent infection, but he cannot remember what the doctor called it. you should be most suspicious that this patient is experiencing
When experimental results are statistically significant, this means the _____ hypothesis has been _____?
Answer:
___Null __ hypothesis has been _Rejected____
Explanation:
If the results obtained from the testing of a null hypothesis are statistically insignificant then it means that there were not enough proofs to support the null hypothesis and hence in virtue of insufficient proofs the null hypothesis is rejected.
The meaning of significant does not implies that statistically significant null hypothesis is important. However, it simply means that statistically insignificant hypothesis have high probabilities to provides less evidence in order to support the thesis.
The probability value of hypothesis must be less than 0.01 for a strong rejection of null hypothesis.
_________ in our atmosphere is a direct consequence of the emergence of life
Oxygen in our atmosphere is a direct consequence of the emergence of life.
What is oxygen?Chemical elements are substances that only contain one kind of atom, such as oxygen. Since oxygen has an atomic number of 8 and the official chemical symbol O, an oxygen atom has eight protons in its nucleus. At room temperature, oxygen is a gas that has no flavor, color, or odor. In nature, oxygen exists as a molecule.
The process of an organism taking in and releasing gases into the environment is referred to as respiration. The organism's body releases carbon dioxide back into the environment as a result of food digestion and oxygen inhalation.
Therefore, the presence of oxygen in our atmosphere is a direct result of life's emergence.
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How is the protein created from the mRNA sequence which reads AUGAUAGUGUAC different from the protein created from one that reads AUGAUAGUGUAG?
U
C
A
G
UUU
Phenylalanine
UCU
Serine
UAU
Tyrosine
UGU
Cysteine
U
U
UUC
Phenylalanine
UCC
Serine
UAC
Tyrosine
UGC
Cysteine
C
UUA
Leucine
UCA
Serine
UAA
Stop
UGA
Stop
A
UUG
Leucine
UCG
Serine
UAG
Stop
UGG
Tryptophan
G
CUU
Leucine
CCU
Proline
CAU
Hisitidine
CGU
Arginine
U
C
CUC
Leucine
CCC
Proline
CAC
Hisitidine
CGC
Arginine
C
CUA
Leucine
CCA
Proline
CAA
Glutamine
CGA
Arginine
A
CUG
Leucine
CCG
Proline
CAG
Glutamine
CGG
Arginine
G
AUU
Isoleucine
ACU
Threonine
AAU
Asparagine
AGU
Serine
U
A
AUC
Isoleucine
ACC
Threonine
AAC
Asparagine
AGC
Serine
C
AUA
Isoleucine
ACA
Threonine
AAA
Lysine
AGA
Arginine
A
AUG
Methionine/Start
ACG
Threonine
AAG
Lysine
AGG
Arginine
G
GUU
Valine
GCU
Alanine
GAU
Aspartate
GGU
Glycine
U
G
GUC
Valine
GCC
Alanine
GAC
Aspartate
GGC
Glycine
C
GUA
Valine
GCA
Alanine
GAA
Glutamate
GGA
Glycine
A
GUG
Valine
GCG
Alanine
GAG
Glutamate
GGG
Glycine
G
a. The first has fewer amino acids than the second.
b. The first has isoleucine where the second has leucine.
c. The first has one more amino acid than the second.
d. The first has serine where the second has valine.
C option is the right answer which states teat the first has one more amino acid than the second.
Explanation:
The first mRNA sequence codes for the Methionine (start codon), isoleucine, valine, and tyrosine.
The second mRNA sequence for the Methionine, isoleucine, valine only, because the last sequence (UAG) is of stop codon and stop codon do not code for any of the amino acids.
How did one species produce so many different species (the six ecomorphs)?
a.because the islands were isolated for an extended period, a lack of interbreeding between populations of the same species caused all the species to diverge.
b.without competition from other species, the one species adapted to fit all of the available habitat types.
c.to fill all the needed jobs in their ecosystem properly, anolis lizards diverged into exactly the amount of species necessary for their habitat.
d.because the anolis lizards have such a diverse range of characteristics, they were able to produce many different species. submit for grading save and finish later?
Answer:
Option A
Explanation:
There are basically two hypotheses that explains the evolution of six ectomorphs
a) When the ectomorphs were evolving the island was in contiguous state. Due to this plate tectonic movement was high that ultimately led to the division of island into six different islands which caused these ectomorphs evolve separately due to the geographical barrier.
b) Second theory could be that all ectomorphs evolved on the same island but then with the division of island, they got separated.
Hence, option A is correct
Choose the correct function of lipids:
Increasing the rate of reactions
Forming cellular structures
Protection of internal organs
Transmitting nerve signals
What kind of metabolic poison would interfere with glycolysis?
Metabolic poisons that interfere with glycolysis include those affecting pyruvate kinase, leading to ATP production failure, and ethylene glycol, which causes metabolic and lactic acidosis.
Explanation:A metabolic poison that could interfere with glycolysis is one that affects enzymes involved in the glycolytic pathway. For instance, compounds that impair the function of pyruvate kinase will hinder the last step of glycolysis, causing a critical reduction in ATP production, especially in red blood cells (RBCs) that rely solely on glycolysis for their energy. Another example is ethylene glycol poisoning, which leads not only to metabolic acidosis due to accumulated glycolic acid but also lactic acidosis, contributing to the inhibition of metabolic pathways.
When a cell gains water, what happens to its size and weight?
Which of the following best explains why air pollution that was once blamed for global cooling is now considered responsible for global warming?
a. Pollution began reflecting sunlight and heat rather than absorbing it.
b. Evidence of global warming became overwhelming.
c. Scientists mistakenly thought pollution reflected sunlight and heat rather than absorbed it.
d. Congress required scientists to assign a cause to global climate change.
(Not A)
What are the two catabolic pathways that lead to cellular energy production?
How many sperm cells are released into the woman during intercourse?
Answer: more than 300 million sperms are released.
Based on the name of the muscle pronator teres what can you tell about it
Pronator teres is the muscle of forearm.The word pronator refers to as side to side movement of limb and teres refers to as round and long muscle or ligament.
The pronator teres pronates the forearm ie turns the forearm so that the palm faces posteriorly.It comprises of two heads: Humeral (larger and superficial,arises from the medial part of supracondylar ridge) and Ulnar ( thin fasicle and arises from the medial side of coronoid process of ulna).
Pronator teres is supplied by Medial nerve.
Earth’s axis passes through the North and South Poles. It takes Earth 24 hours to rotate once around its axis. Earth revolves once around the Sun in _ days during a non-leap year.
Answer:
365 days on a non leap year
Explanation:
What is the difference between messenger RNA and transfer RNA?
mRNA carries genetic instructions from DNA to ribosomes for protein synthesis, while tRNA translates the mRNA code into amino acids to form proteins.
The messenger RNA (mRNA) and transfer RNA (tRNA) are crucial components in the process of protein synthesis. mRNA is responsible for carrying the genetic code from DNA to the ribosomes, the sites of protein synthesis. After being transcribed in the nucleus, mRNA carries the genetic message into the cytoplasm, determining the sequence of amino acids during protein synthesis.
On the other hand, tRNA's role is to convert the information carried by the mRNA into a form that can be used to synthesize proteins by picking up specific amino acids and transferring them to the ribosomes, where they are assembled into proteins following the blueprint provided by the mRNA.
Determine if the limiting factors listed below are density-dependent or density-independent.
Density-dependent factors are environmental conditions that have different effects on population densities. They include predation, competition, waste accumulation, and diseases caused by parasites. Density-independent factors have the same effect at all population densities and can be weather events or human activities.
Explanation:Density-dependent factors are environmental conditions that have different effects on population densities. They are usually biological in nature and include predation, competition, waste accumulation, and diseases caused by parasites. These factors have a greater impact on population mortality when the population is denser. For example, during competition, the reproductive rates of individuals decrease, reducing the population's growth rate. Low prey density also increases the mortality of predators as they struggle to find food.
Density-independent factors, on the other hand, have the same effect at all population densities. They can be environmental conditions such as weather events or human activities that directly impact population numbers. These factors cause mortality in a population regardless of its density. An example is a pesticide that kills caterpillars irrespective of their population size.
Why doesn't the recessive gene disappear from the population?
All four biomolecules have carbon (C), hydrogen (H), oxygen (O), and nitrogen (N).
True
False
Which environmental conditions are most favorable for hurricane formation?
Answer:
A. Warm ocean air rises and condenses, pulling up hot air from the ocean surface.
B
Cold ocean water merges with warm ocean water through undersea currents.
C
Water vapor from the poles is pulled toward the equator through wind currents.
D
Plates beneath the ocean shift, causing swirling waves that turn into water vapor.
Explanation: i don't know
genetic drift leads to evolutionary change in the absence of natural selection. explain how this is possible.
Genetic drift refers to changes in allele frequencies within a population due to random events or chance, rather than selective pressures. Events such as natural disasters (resulting in a bottleneck effect) or migrations (resulting in a founder effect) can lead to genetic drift and thus cause evolutionary changes.
Explanation:Genetic drift refers to random changes in allele frequencies within a population. Unlike natural selection, which selects the fittest individuals and often results in a more fit population overall, genetic drift operates independently, and is often just the result of chance. For example, if only a subset of individuals reproduces by chance, and they predominantly carry a certain allele, that allele's frequency could increase within the population. This could occur even if the allele does not confer a fitness advantage.
Sometimes, a chance event like a natural disaster can also cause genetic drift. Known as the bottleneck effect, such a disaster could randomly kill a large portion of a population, dramatically altering the population's allele frequencies. The leftover population might possess a significantly different genetic composition than the original. It's important to note that these changes are due to random occurrences, and not driven by selective advantages as with natural selection.
Another example of genetic drift is the founder effect. If a small group of individuals from a population establishes a new colony, the allele frequencies of this new population may not represent the original ones. So, genetic drift can lead to significant evolutionary changes over time, even in the absence of natural selection.
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Due the effects of alcohol on your __________, you may experience tunnel vision.
Answer: Peripheral vision
Explanation:
Whenever there is loss of peripheral vision without their affect on central vision then tunnel vision occurs. In tunnel vision , a person is only able to see what directly lies in front of the eyes but the object in the periphery is not visible. There are many reasons why tunnel vision may occur and this is one of the many detrimental effects of alcohol.Thus, a decreased peripheral vision results in the tunnel vision due to alcohol.
The maximum shelf life for a sterile pack is
The majority of the ________ produced by cellular respiration comes from the electron transport chain.
What can you conclude about the advantage of the cell membrane being made up of phospholipids? The phospholipids controls what enters and leaves the cell. The phospholipids improve the immune response of the cell. The phospholipids allow for the regulation of metabolism. The phospholipids offer the ability to digest enzymes.
what is the main cause of earthquakes and volcanic eruptions?
Final answer:
The main causes of earthquakes and volcanic eruptions are the movement and interaction of the Earth's tectonic plates, along with the release of energy as the plates shift along faults. Volcanic eruptions also occur when pressurized magma finds a way to the surface. Human activities can sometimes induce earthquakes and influence damage levels, though the fundamental causes are natural geologic processes.
Explanation:
The main cause of earthquakes and volcanic eruptions is the movement of the Earth's tectonic plates. Most earthquakes occur along faults, which are breaks in the Earth's crust where blocks of the crust move past each other. These movements can lock huge masses of rock in position for a long time before they abruptly shift, causing the ground to tremble. The driving mechanism behind these movements is the heat from the decay of radioactive elements within the Earth, and the associated tectonic activity.
Those same tectonic forces can also trigger volcanic eruptions. Magma formed deep within the Earth rises through the crust, and when pressure builds up, it can be released explosively through volcanoes. An eruption can release not just lava, but also gases, ash, and rock. Sometimes, water merging with sub-surface magma adds to the explosive force of eruptions, as in the case of the 1815 eruption of Mount Tambora in Indonesia.