what is the extracellular matrix changes and symptoms of scurvy and connective tissue?
Answer:
composed of ground substance and fibers
Explanation:
The extracellular matrix of connective tissue is composed of ground substance and fibers. In ordinary connective tissue, the ground substance consists mainly of water. The principal fiber type is collagen (the most abundant protein in the body), with elastic fibers as a minor element.
Answer:
The extracellular matrix of connective tissue is composed of ground substance and fibers. In ordinary connective tissue, the ground substance consists mainly of water. The principal fiber type is collagen (the most abundant protein in the body), with elastic fibers as a minor element.
Explanation:
Which of the following is true about the Earth's natural resources?
A.
Natural resources were once formed by geologic processes inside the Earth, but they are now created only by human-made processes.
B.
The natural resources on Earth can never be used up because humans can always make more resources to replace them.
C.
The same natural resources are available in all areas of the Earth because the geologic processes that formed them occurred the same way in every location.
D.
Natural resources are unevenly distributed on Earth because the geologic processes that formed them occurred in different locations over time.
Answer:
im gonna have to go with D
Identify the structures of the heart.
label A
Label B
Label C
Label D
Label E
Label F
Answer:
A. Pulmonary value
B. Tricuspid value
C. Septum
D. Bicuspid value
E. Aortic value
F. Aorta
10)
What is point source pollution of an aquatic ecosystem?
A)
pollution of freshwater sources
B)
pollution from many sources that combine into one
pollution that occurs over a wide area; water that runs off from fields,
parking lots, and other land surfaces
D)
pollution that can easily be identified with a single discharge source, such
as an open pipe which drains into a body of water
Answer:
D
Explanation:
the point if of water pollution can be easily identified
classify each description as a property of dna only, rna only, or both dna and rna.
- has primary function of storing and transferring genetic information - found throughout the cell - contains the sugar ribose
- directly codes for amino acids - double-stranded - contains the base cytosine - polymer made up of nucleotides - contains the base thymine
The descriptions can be classified as follows:
1. DNA only
2. Both DNA and RNA
3. RNA only
4. Both DNA and RNA
5. DNA only
6. Both DNA and RNA
7. Both DNA and RNA
8. DNA only
1. The primary function of storing and transferring genetic information is a property of both DNA and RNA.
2. Both DNA and RNA are found throughout the cell.
3. The sugar ribose is a characteristic of RNA only.
4. Directly coding for amino acids is a property of RNA only.
5. Being double-stranded is a property of DNA only.
6. Both DNA and RNA contain the base cytosine.
7. Being a polymer made up of nucleotides is a property of both DNA and RNA.
8. The base thymine is present in DNA only.
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If blood had a similar viscosity to dish soap but was effected to be more similar to honey, how would blood flow be affected?
Answer:
It would be impossible for a human to live under these circumstances.
Explanation:
Blood would not carry to the heart on time and they would die. Proper nutrients would not get to your digestive system on time. More awful things would also happen. Humans just aren't made for that type of blood in their bodies.
Have a good day(I was cringing the whole time while writing the answer my tummy hurts)!
the release of hormones by the posterior pituitary is the result of what process?releasing hormones from the hypothalamus directs the production and release of oxytocin from the posterior pituitary.the release of regulatory hormones increases activity in the adrenal medulla, altering the activity of the posterior pituitary.neurosecretory cells of the hypothalamus directly release hormones into blood vessels within the posterior pituitary.hypothalamic neurons form synapses on the adrenal gland, which in turn regulates the pituitary.the anterior pituitary regulates the activity of the posterior pituitary gland.
The release of hormones by the posterior pituitary is the result of the neurosecretory cells of the hypothalamus directly releasing hormones into blood vessels within the posterior pituitary.
What are neurosecretory cells?Neurosecretory cells are nerve cells that produce and secrete hormones into the bloodstream. In the hypothalamus, specialized neurosecretory cells known as neuroendocrine cells make and secrete hormones that regulate the body's growth, metabolism, reproduction, and response to stress.
What is the function of the posterior pituitary gland?The posterior pituitary gland is a pea-sized structure located at the base of the brain that releases hormones such as oxytocin and antidiuretic hormone (ADH) into the bloodstream, which are created by the hypothalamus and transported to the posterior pituitary via a system of nerves called the hypothalamic-pituitary portal circulation.
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A student reads that Cnidarians have two layers of tissue during development.
Which answer describes a possible tissue layer?
A)deuterostome
B)ectoderm
C)radial
D)pseudocoelom
Answer:
it is ectoderm
Explanation:
True or false--
All the modern species of bison have evolved overtime just as all living organisms evolve over time.
Answer:
The working assumption for many years was that, like North American bison, European bison evolved from steppe bison. ... Their results suggest that the European bison is the result of inter-breeding, over 120,000 years ago, between steppe bison and aurochs; the wild ancestors of modern domestic cattle.
Our study suggests that the first bison arrived in North America 195 - 135 thousand years ago over a land bridge between Asia and Alaska. They quickly spread and evolved (changed) into different forms to adapt to their new environments.
*insert JIMIN'S ROCK BISON pic here*
Explanation:
I.d.k what answer ur expecting from this sentence army.
so I just gave more info regarding this..lol.
Which of the following steps of the cell cycle in eukaryotes are NOT found in prokaryotes? 1. DNA replication 2. chromosomes condense, align along the metaphase plate and are pulled to opposite poles of the cell 3. cytoplasm is divided 4. two daughter cells form from the original cell a 1 b 2. C 3 d 4
The main step of the cell cycle in eukaryotes that is NOT found in prokaryotes is chromosomes condense, align along the metaphase plate, and are pulled to opposite poles of the cell, option (2) is correct.
This is part of mitosis, which is a characteristic feature of eukaryotic cell division. Prokaryotes lack the complex machinery and structures required for mitosis. Instead, prokaryotes undergo a simpler form of cell division called binary fission.
During binary fission, the prokaryotic chromosome replicates, and the two copies move to opposite ends of the cell. The cytoplasm then divides, and two daughter cells form from the original cell. Therefore, DNA replication, cytoplasm division, and two daughter cell formation are common to both eukaryotes and prokaryotes, option (2) is correct.
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The complete question is:
Which of the following steps of the cell cycle in eukaryotes are NOT found in prokaryotes?
1. DNA replication
2. chromosomes condense, align along the metaphase plate and are pulled to opposite poles of the cell
3. cytoplasm is divided
4. two daughter cells form from the original cell
The U.S. government has made it illegal for fossil fuels to receive tax breaks in order to be competitive
in the marketplace
a. True
b. False
Answer:
a
Explanation:
https://en.wikipedia.org/wiki/Fossil_fuel_regulations_in_the_United_States
Identify 3 similarities between the structure of the DNA of human and Maple Tree.
Answer:
In fact, the actual structure of the DNA molecule and how it codes for proteins is the same from bacteria to yeast to plants and animals. The DNA molecule in plants, humans, and all living things are all the same shape -- like a twisted ladder, or a double helix.
Explanation:
HOPE IT'S HELPS YOUTHANKYOU.What is the difference between refraction, dispersion, and reflection
Answer:
Explanation:
Reflection takes place when the light does not pass into the material, but is instead "bounced" off the surface. Refraction occurs when the light passes into the material. ... Dispersion occurs when different wavelengths of light are refracted different amounts, separating the light into its constituent colors
which of these is a distinguishing characteristic of a savanna
Answer:
answer will be explained
Explanation:
Grasses and trees - The savanna is a rolling grassland with scattered trees and shrubs. Rainy and dry seasons - Savannas have two distinct seasons in regards to precipitation.
. What does Carbon Dioxide do to the Earth's temperature?
Carbon dioxide is a greenhouse gas that absorbs and radiates heat, so it traps additional heat and raises Earth's temperature
Which of the following BEST describes the primary goal for meiosis:
Answer:
D) Daughter cells are produced with only half the chromosomes of the parent cell.
Explanation:
The primary goal of meiosis is to create four gametes, which are cells with only half the chromosomes of the parent cell
Disruptive selection may play a stronger role in ___________ as compared to other types of speciation.
stabilizing speciation
allopatric speciation
sympatric speciation
divergent speciation
autopatric speciation
Disruptive selection may play a stronger role in sympatric speciation as compared to other types of speciation.
What is sympatric speciation?Sympatric speciation is a form of speciation that occurs within the same geographical location or space. It can occur in a variety of ways, including through disruptive selection, polyploidization, and habitat specialization.The role of disruptive selection in sympatric speciation
Disruptive selection can play a stronger role in sympatric speciation as compared to other types of speciation because it involves selection pressures that favor the divergence of subpopulations that occupy the same geographical location. Disruptive selection occurs when the extreme phenotypes of a population are more advantageous than the intermediate phenotypes.
As a result, the intermediate phenotypes are selected against and the extreme phenotypes become more prevalent in the population over time. This process can lead to the formation of distinct subpopulations that are reproductively isolated from each other, ultimately leading to sympatric speciation.
Overall, disruptive selection is a key mechanism that can drive evolutionary divergence and lead to the formation of new species in sympatry.
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Which of the following plasmids enables E. coli strain W to catabolize styrene?
a. pISM7
b. PIP27
c. PSTY
d. PUE14
The naturally occurring Escherichia coli genetic element known as PIP27, which contains EcoVIII Restriction-Modification System genes, is mobile among enterobacteria. Hence (b) is the correct option.
DNA replication starts in the ori, allowing a plasmid to replicate itself as necessary for survival inside cells. K-12 derived DH5 is one of the most often used laboratory E. coli strains for maintaining and amplification of tiny plasmid DNA. Typical DNA assembly and cloning processes involve transforming the created plasmid into capable DH5 cells as their last step. A key method for molecular cloning is the purification of E. coli plasmid DNA.
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if we continued to follow the cell lineage from question 5 then the DNA content of a single cell at metaphase of meiosis II would be
If we continue to follow the cell lineage from question 5, then the DNA content of a single cell at metaphase of meiosis II would be halved from the original amount of DNA in the parent cell. This means that each daughter cell produced by meiosis II will contain half the number of chromosomes and half the amount of DNA as the parent cell.
Meiosis is a cell division process that occurs in sexually reproducing organisms. During meiosis, a diploid cell (one that has two sets of chromosomes) divides into four haploid cells (each containing only one set of chromosomes). There are two stages of meiosis, meiosis I and meiosis II.
In meiosis I, the homologous chromosomes pair up and exchange genetic material, resulting in the formation of two haploid cells that are each genetically distinct from the parent cell. In meiosis II, the sister chromatids of each chromosome separate, resulting in the formation of four haploid cells that are each genetically unique.
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How are leaves and roots similar? (Select all that apply.)
A. both contain xylem
B. both contain a pistil
C. both contain phloem
D. both contain stomata
Answer:
Similarity: Both stems and roots contain vascular tissue (xylem and phloem), the circulatory system of the plant.
what have you learned about DNA
Answer:
1.) DNA means deoxyribonucleic acid.
2.) DNA stores biological information.
3.) Two strands of DNA wrap around each other like a twisted ladder.
4.) Watson and Crock discovered DNA.
5.) DNA can be copied.
Which is true for urochordates? *
TRUE OR FALSE Prokaryotic cells can’t replicate DNA, because they do NOT possess nuclei.
Answer:
false
Explanation:
hope it helps
Glucosuria occurring in conjunction with myocardial infarction may be caused by:
Glucosuria occurring in conjunction with myocardial infarction may be caused by impaired renal function or stress-induced hormonal imbalances.
Glucosuria can be defined as the presence of glucose in the urine, and it is a sign of hyperglycemia. Myocardial infarction (MI) is the medical term for a heart attack. It happens when blood flow to a part of the heart is blocked for a prolonged period of time, causing damage to the heart muscles.There is no clear evidence that myocardial infarction causes glucosuria. However, stress-induced hormonal imbalances and renal insufficiency can contribute to the development of glucosuria.
This is because hormonal imbalances such as elevated levels of cortisol or adrenaline can lead to hyperglycemia. The resulting high blood glucose levels can cause glucose to spill into the urine, resulting in glucosuria.Renal insufficiency can also lead to glucosuria because glucose reabsorption in the kidneys is impaired. When blood glucose levels are high, the kidneys are unable to reabsorb all the glucose, causing it to be excreted in the urine as glucosuria.
Furthermore, people who have both MI and diabetes are more likely to develop glucosuria due to insulin resistance caused by hyperglycemia.
In conclusion, glucosuria occurring in conjunction with myocardial infarction may be caused by impaired renal function or stress-induced hormonal imbalances. However, further research is needed to fully understand the relationship between these two conditions.
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How are conifers, gymnosperms, and angiosperms alike? (Select all that apply.)
A)They all produce flowers.
B)They are all vascular plants.
C)They all produce seeds.
D)They depend on water for fertilization.
Answer:
A
Explanation:
What factors do you think have contributed to the growing wolf populations?
Hope this helped, have a great day <3
If a cellular homogenate were subjected to differential centrifugation, which of the following would be expected to pellet first? A. the endoplasmic reticulum B. mitochondria C. the cytosol D. nuclei
A cellular homogenate is a mixture of cellular components such as organelles, membrane fragments, and cytosol. Answer D is incorrect because nuclei would pellet out before the endoplasmic reticulum.
A cellular homogenate is a mixture of cellular components such as organelles, membrane fragments, and cytosol. The procedure that isolates these components is called centrifugation. Homogenates are spun at a low speed, which produces a pellet of the largest and densest components such as nuclei and organelles, while cytosol and smaller organelles remain in the supernatant. The procedure is repeated several times, each time increasing the speed and duration of the spin to separate progressively smaller and lighter organelles and molecules. Therefore, if a cellular homogenate were subjected to differential centrifugation, the first organelles to pellet out would be the larger and denser ones, which are nuclei and mitochondria. The cytosol will remain in the supernatant. Thus, options A and B are incorrect. Answer D is incorrect because nuclei would pellet out before the endoplasmic reticulum. Therefore, the correct answer is option B mitochondria.
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Which components make up the cardiovascular system?
lungs, heart, and blood vessels
heart, blood vessers, and blood
heart, blood, and lungs
lungs, heart, and skin
Answer:
heart blood vessels and blood
Answer:
Heart, blood vessels, and blood
Explanation:
The heart pumps blood around the body, the blood vessels transport the blood, and the blood is the blood itself
what is the approximate maximum population size for moose in the isle royale simulation under a normal growing season and without any wolves present on the island? while the exact number that you saw in your simulation my not be an option, select the option that comes closest to what you saw in your simulation.
The approximate maximum population size for moose in the Isle Royale simulation under a normal growing season and without any wolves present on the island is around 900. During the Isle Royale simulation, it was observed that when wolves were removed from the ecosystem, the population size of the moose increased to its carrying capacity and then experienced a decline due to starvation. Without predators, the moose population increased exponentially and consumed all of the available resources until they were depleted, which resulted in a decline in the population size.
Therefore, the approximate maximum population size for moose in the Isle Royale simulation under a normal growing season and without any wolves present on the island is around 900. This number comes close to what was observed in the simulation, as the moose population reached its carrying capacity before declining due to starvation. It is essential to maintain a balance between predators and prey to ensure the sustainability of an ecosystem and prevent the depletion of resources.
In conclusion, the absence of wolves in the Isle Royale simulation led to an exponential increase in the moose population until it reached its carrying capacity of approximately 900. However, the subsequent depletion of resources caused a decline due to starvation.
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The map shown here suggests that the MOST LIKELY location of current mountain formation is?? A? B? C? D?
Answer:
a
Explanation: