The Law of Superposition states that younger formations ___ older formations.
A. overlook
B. overlie
C. wrap around
D. the Law of Superposition states none of the above
According to the Law of Superposition, younger formations overlie older formations. The correct option is B
What is the essential idea behind stratigraphy and geology ?This idea is a cornerstone of stratigraphy and geology. It asserts that the layers on top of any series of rock layers or sedimentary deposits are newer than the layers below.
This means that if you discover a layer of sedimentary rock or other material in the center of two other strata, you can presume that layer was deposited after the bottom layer but before the higher layer.
Therefore, B. overlie is the correct option
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If all of the moths had been completely identical, could they have evolved?
Answer: i would say no
Explanation:
Answer:
Depends on the Genes
Explanation:
If all of the moths carry one dominant gene and one recessive gene then it is possible this is due to the fact that if each parent has a recessive gene it can appear a 1/4 chance in their offspring causing a change or evolution of the moths. This idea that recessive genes can sometimes be the key of survival in a species such as snow foxes being white even though white hiar is a recessive trait.
science skill 8 two types of variables
Photosynthesis uses ______, _______, and _______ to produce _____ and _______.
Answer:
Photosynthesis is the process by which plants, some bacteria, and some protistans use the energy from sunlight to produce sugar, which cellular respiration converts into ATP, the "fuel" used by all living things.
Answer
Explanation
Carbon dioxide,water and sunlight to produce glucose and oxygen
Enhancers bind to DNA upstream of the promoter region and allow ____ to begin to catalyze mRNA synthesis.
Answer: RNA polymerase - II
Explanation: Many eukaryotic genes possess enhancer sequences, which can be found at considerable…
Enhancers are DNA sequences that bind to transcription factors and other proteins to increase the activity of RNA polymerase in the promoter region.
This allows for the synthesis of mRNA molecules from the DNA template. The process of transcription requires the use of a variety of proteins and enzymes to accurately and efficiently transcribe the genetic information in the DNA.
The binding of enhancers to the DNA upstream of the promoter region is a critical step in this process, as it helps to regulate gene expression and control the synthesis of specific proteins.
Overall, enhancers are important components of the complex regulatory network that controls gene expression in all living organisms.
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Which three is a carbon source
Factores and Cars
Ocean
Animals
Plants
Fossils
what part of the heart pumps blood to the rest of the body
Answer:
the heart pumps the blood thru thr body
What are the factors that influence the saltiness of water?
Answer:
Evaporation. Evaporation can only take away water volume, not salt content. Hot air around.
Rivers. Rivers can dilute the salt concentration of an ocean. If there are numerous rivers.
Ocean Currents. Function of Ocean currents are responsible in both increasing and.
Ice Formation. The formation of ice takes away most of the fresh water from the ocean.
Explanation:
Which action can trigger lactic acid fermentation in our bodies?
A.
drinking coffee
B.
reading a book
C.
running a marathon
D.
sleeping
E.
watching a movie
Answer:
C. running a marathon
Explanation:
When you run a marathon you eventually switch to anaerobic respiration since not enough oxygen is present for aerobic respiration to occur (which uses oxygen as the last electron carrier in the electron transport chain). This process causes lactic acid to be produced.
Answer:
running a marathon
I hope this helps
what is Emoji unicode?
Answer:
its a pictorial symbol that is usually presented in a colorful form to represent many things.
Explanation:
Imagine you are a biologist investigating a problem a farmer is having with beetles eating his crops. The farmer wants to use a type of pesticide that will kill almost all the beetles except the few that are largest in size. Explain to what will happen over time if the farmer uses this pesticide and design/suggest an alternative solution for the farmer's beetle problem.
Pesticides can kill beneficial organisms, therefore, it is recommended to use cultural control methods such as crop rotation.
What is pest control?Pest control involves the methods employed to remove pest of crops from farms.
Pest control may employ:
pesticides cultural control methodsbiological control methodsPesticides use involves chemicals which kills pests.
However, the use of pesticides may kill other beneficial organism and could result in poisoning if water bodies.
Therefore, it is recommended to use cultural control methods such as crop rotation.
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"If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, what product will be collected?"A. Transgenic bacterial plasmidsB. Hepatitus B frusesC. Hepatitus B vaccineD. Hepatitus resistant bacteria
If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, the product collected will be transgenic bacterial plasmids, inside the bacteria, in order to proove if the transgenic plasmid actually gives the bacteria resistance to the virus, it has to be grown in an infected medium.
The correct answer is option A.
One of the major breakthroughs in understanding the mechanisms of evolutionary change came with the realization that evolution
One of the major breakthroughs in understanding the mechanisms of evolutionary change came with the realization that evolution is driven by natural selection.
Natural selection is the process by which certain traits become more or less common in a population over time, based on their effects on reproductive success. It was Charles Darwin who first proposed the concept of natural selection in his book "On the Origin of Species" published in 1859. Darwin's work revolutionized our understanding of how species change and adapt over generations.
The key idea behind natural selection is that individuals with advantageous traits are more likely to survive and reproduce, passing those traits on to their offspring. These advantageous traits enable individuals to better compete for resources, avoid predators, or adapt to changing environmental conditions. Over time, these beneficial traits become more prevalent in the population, leading to evolutionary change.
Natural selection operates on variation within populations, which arises through genetic mutations and recombination. Individuals with variations that confer advantages have higher chances of survival and reproductive success, allowing their traits to be passed on to future generations. Conversely, individuals with traits that are disadvantageous may be less likely to survive and reproduce, leading to a decrease in the frequency of those traits in the population.
The concept of natural selection provides a powerful explanation for the diversity and adaptation of organisms on Earth. It helps us understand how species have evolved to thrive in different environments and how new species can arise through the accumulation of genetic changes over time. The recognition of natural selection as a driving force of evolution marked a significant breakthrough in our understanding of the mechanisms behind the diversity of life on our planet.
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shannon and her father both have had their genomes sequenced, and they both have the same mutation in the fbn gene. this mutation causes marfan syndrome. shannon's father has severe heart problems in addition to other characteristics of marfan syndrome, whereas shannon has no heart problems, although she is tall and slender. which phenomenon explains how shannon and her father have the same mutation but different disease phenotypes
Expressivity phenomenon explains how shannon and her father have the same mutation but different disease phenotypes.
Phenotype simply means a trait that can be seen. The term "pheno" and "phenomenon" share a common root, and "pheno" simply means "observe." It is therefore a type of organism that can be observed, and it can relate to anything from a common characteristic, like height or hair colour, to the presence or absence of a disease. Phenotypes are frequently associated to and used—the phrase is used—to relate a difference in DNA sequence among people with a different trait, whether it height, hair colour, sickness, or whatever. But it's crucial to keep in mind that phenotypes are sometimes much more strongly influenced by environmental factors than by genetic factors. Consequently, a genotype and phenotype can be associated directly, but not always.
The relationship between a genotype and a phenotype is typically not one-to-one. Environmental factors including one's diet, level of activity, amount of smoking, etc. virtually always have an impact. These are all environmental factors that will have an impact on the phenotypic as well. A person's phenotype is defined as their distinguishable characteristics, such as height, eye color, and blood type.
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are are the two processors that obtain energy
how are organisms separated
Answer:
prezgotic and postzygotic barriers
Explanation:
according to the biological species concept, organisms belong to the same species if they can interbreed to produce viable, fertile offspring. Species are separated from one another by PREZGOTIC AND POSTZGOTIC BARRIERS, which prevent mating or the production of biable, fertile offspring.Answer:
Organisms separate using a cellular process that replicates chromosomes and produces two identical nuclei in preparation for cell division. Generally, mitosis is immediately followed by the equal division of the cell nuclei and other cell contents into two daughter cells.
Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed
How do the sporophyte stage and gametophyte stage make a cycle ?
The diploid zygote, which eventually becomes the sporophyte, is produced by the fusion of the male and female gametes. When a diploid sporophyte reaches maturity, it produces spores by meiosis, which then divide through mitosis to create the haploid gametophyte. The cycle is continued when a fresh gametophyte develops gametes.
What is Sporophyte and gametophyte stage ?The sporophyte symbolises the asexual phase of the plant life cycle, and the gametophyte the sexual phase. Gametophyte and sporophyte are fundamentally different from one another because gametophyte is a haploid and created through meiosis, whilst sporophyte is a diploid and formed through mitosis.
Ferns go through two distinct stages in their life cycle: sporophyte, which releases spores, and gametophyte, which releases gametes. Sporophyte plants are diploid, whereas gametophyte plants are haploid. Alternation of generations is the name given to this type of life cycle.Learn more about Plant life cycle here:
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Please help me!!please
Answer:
C.
Explanation:
:DDD
Review carefully the structure of ATP. In addition to being the "energy currency" for the cell, ATP is a monomer for which macromolecule?
a Lipid
b DNA
c Protein
d Carbohydrate
e RNA
ATP serves as the cell's "energy currency" and as a monomer for the DNA macromolecule (option b).
Because nucleotides are made up of the phosphate group, together with nitrogen bases and the sugar ribose, they serve as a crucial component in determining the structure of the DNA sequence as a biomolecule.
As a result of these findings, it is clear that the phosphate group, which is always present in nucleotides, serves as a fundamental component of DNA.
When a phosphate group is removed during the process known as hydrolysis, a high energy phosphate bond is broken, releasing energy and converting ATP into adenosine diphosphate (ADP). Energy is also released, just like when a phosphate is taken out of ADP to make adenosine monophosphate (AMP).
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A firefighter wakes up in the middle of the night to the sound of an alarm. it is likely that her _____ have released epinephrine and norepinephrine.
The sound from an alarm awakens a firefighter in the middle if the night. Her adrenal glands had most likely produced adrenaline and norepinephrine. The hormone epinephrine, also referred to as adrenaline, is secreted by the medulla of a adrenal glands.
Your adrenal glands, that are hat-shaped glands which are located on top of each kidney, release it as a hormone. As a neurotransmitter, norepinephrine is made from dopamine. Nerve cells inside the brainstem region and a region close to the spinal cord produce norepinephrine. When the body is at ease, resting, or eating, its parasympathetic nervous system is in charge of the digestion and rest response. In essence, it reverses the effects of sympathetic division following a stressful event.
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3)
Ice cores from Antarctica allow scientists to measure the amounts of atmospheric carbon dioxide from long ago. These samples
would BEST provide evidence for
A)
climate change.
B)
continental drift.
C)
the big bang theory,
D)
magnetic field reversal.
Answer:
A) climate change...........
Name one disease or cancer that causes a change in tissue types and explain the effects of the change of tissue types within that body region.
One disease that causes a change in tissue types is cervical cancer. Cervical cancer is a type of cancer that affects the cells in the cervix, which is the lower part of the uterus that connects to the vagina.
The effects of the change in tissue types within the cervical region can have significant impacts on a person's health. As cervical cancer progresses, the abnormal cells can invade nearby tissues and organs, causing various symptoms and complications.
One effect of the change in tissue types is the formation of abnormal growths or tumors in the cervix. These tumors can obstruct the cervical canal and lead to symptoms such as abnormal vaginal bleeding, pelvic pain, and increased vaginal discharge.
Moreover, as the cancer cells continue to grow and spread, they can invade nearby tissues such as the bladder and rectum. This invasion can result in urinary and bowel problems, including difficulty urinating or having a bowel movement.
In advanced stages, cervical cancer can metastasize, spreading to other parts of the body such as the liver, lungs, and bones. This can lead to additional symptoms and complications specific to the affected organs.
In summary, cervical cancer is a disease that causes a change in tissue types within the cervical region. The effects of this change can include the formation of tumors, obstruction of the cervical canal, pelvic pain, abnormal bleeding, urinary and bowel problems, and potential metastasis to other organs.
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(b) (i) Describe the process by which lactic acid (lactate) is produced in muscle fibres.
Explanation:
while exercising............as Oxygen debt occurs
How does the cycling of water and carbon support an organism's ability to make macro molecules?
The cycles of water and carbon support an organism's ability to make macro molecules because major biomolecules are mainly composed of carbon and water is a fundamental reactant for many biochemical reactions.
What are the cycles of water and carbon?The cycles of water and carbon refer to the movement of carbon-based compounds and water into biotic factors (e.g. the atmosphere) and biotic factors (life), which is fundamental to maintain life because all organisms contain carbon and water is required to carry out chemical reactions.
Therefore, we can conclude that the cycles of water and carbon are fundamental to sustaining life because organisms have biomolecules based on carbon and water is a reactant for biochemical processes.
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Environmental pollution disturbs the ecosystem. Explain.
Answer:
Since we dump trash and use gases, they harm our ecosystem by killing animals and their habitats. Not only can it affect animals but it can affect humans as well because we poison the atmosphere with gases making it hard for any living creature live.
Explanation:
Which of the following is the first step for the switch from hyperpolarization to depolarization of the bipolar cells?
A) Na+ entering the synaptic terminal of the photoreceptor
B) Rhodopsin activation
C) Light detected by retinal
D) Increase in glutamate
Bipolar cells are nerve cells found in the retina of the eye. The first step for the switch from hyperpolarization to depolarization of the bipolar cells is Rhodopsin activation.
What is Rhodopsin?Rhodopsin is a protein found in the rods of the retina and is responsible for initiating the conversion of light into an electrical signal, thereby initiating the process of vision. It is the first step for the switch from hyperpolarization to depolarization of the bipolar cells.
Bipolar cells are responsible for transmitting the signals generated by photoreceptor cells, namely the rods and cones, to the ganglion cells, which in turn transmit the information to the brain via the optic nerve.
Depolarization is a process in which the electrical charge across a cell membrane becomes less negative, bringing the membrane potential closer to zero. This occurs when positively charged ions such as sodium enter the cell, resulting in the cell becoming more positive. It is an essential process in the generation of nerve impulses, which are responsible for transmitting information between cells in the nervous system.
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Both parents have Bi blood type. what blood types could their children have
Answer:
If both parents have the same blood type then their children would also have the same just like if they have the same eye or hair color
Answer:
B or O
Explanation:
Two parents with B blood type can be either B or O blood type. One parent with A and another with B can produce a child with A, B, AB or O blood types. If one parent has A and another has AB, they can either produce a child with A, B or AB blood types.
1. Proteins are one of the four main
types of
A.biomolecules
B.living
C.complex
Help me with 2 please and thank you
Answer:
Parent: WW x Ww
Chance of long whisker: 100%
Chance of short whiskers: 0%
Chance they are s carrier: 50%
Explanation:
W. W
W. WW. WW
w. Ww. Ww
WW= long whiskers = 2
Ww= carrier of short whiskers gene = 2
Ww= dominate long whiskers = 2
ww= short whiskers = 0
Dominate Gene always shows so Ww would still be long whiskers
Ww +Ww = Long Whiskers
2 + 2 = 4
There are four possibility total so total is equal to 4
4/4 = 100%
Carrier of short whiskers/ total
2/4= 50%
Short whiskers/ total
0/4 = 0%