We know that fetuses can hear before birth because newborns:
Most connective tissue, including bone, is highly vascular. which anatomical structures in mrs. morgan's compact bone house blood vessels? what sign or symptom in mrs. morgan's case is directly related to disruption of these structures by her bone fractures? how is the sign or symptom related to these anatomical structures?
The blood vessels are both housed by the Haversian canal and the Bolkmann’s canal.
The given info that she is bleeding so abundantly only means that she has a hemorrhage. Hemorrhage is the loss of blood due to rupture walls in the blood vessels.
This sign is related to these structures since one of the canals was actually ruptured when her bone was fractured and then forced out of the skin.
Gonadal differentiation begins at approximately what point after conception?
_________, a common mineral found in igneous rocks, is the most abundant mineral in detrital sedimentary rocks.
In the above study, the investigators determined that a low concentration of DNP increased the average life span from 719 days (Control) to 770 days (DNP). If the U.S. population has an average life span of 79 years, then how many years would be added if the same percentage increase were observed?
Express your answer using two significant figures.
Answer:
Increase in average life span of U.S. in terms of years is [tex]5.6\\[/tex] years
Explanation:
The controlled average life span is [tex]719\\[/tex] days
The DNP average life span is [tex]770\\[/tex] days
Increase in the average life span is
[tex]770 - 719\\= 51\\[/tex] days
Rate of increase of average life span after using DNP
(Change in life span in day [tex]/\\[/tex] Base average life span) [tex]* 100\\[/tex]
[tex]= \frac{51}{719} * 100\\= 7.09\\[/tex] %
It is given that the average life span of US people will also increase by the same rate, then the new average life span would be
Base average life span [tex]+\\[/tex] Increase in average life span
[tex]= 79 + ((\frac{7.09}{100} ) * 79)\\= 84.60\\[/tex]
So the increase in average life span of U.S. in terms of years is [tex]5.6\\[/tex] years
What is a 60 kg rider's apparent weight during the launch? express your answer to two significant figures and include the a?
To compute for the rider’s apparent weight during launch, we use the formula = (4g + g) * m. Where m is the rider’s mass. Substituting to the equation, we now have (4g + g) * 60. Computing for the apparent weight, we get 2940N or 300g.
To figure for the rider's apparent weight during dispatch, we utilize the equation = (4g + g) * m. Where m is the rider's mass. Substituting to the condition, we presently have (4g + g) * 60. Figuring for the obvious weight, we get 2940N or 300g.
Further Explanation:
Apparent weight:
The net power experienced is the vector total of these two powers. This power turns into your obvious weight, which focuses toward a path in reverse and down. The obvious load of a quickening item is the vector total of its real weight and the negative of the considerable number of powers that produce the article's speeding up a = dv/dt.
Apparent load of an item:
In material science, apparent weight is a property of items that relates to how substantial an article is. The evident load of an item will vary from the heaviness of an article at whatever point the power of gravity following up on the item isn't adjusted by an equivalent however inverse typical power.
Apparent weight zero:
The Apparent of the coasting square is equivalent to zero in light of the fact that the heaviness of the square acting vertically downwards is adjusted by light power acting upwards. When we drench any article in fluid, an upward power called as up push follows up on the item, and at the same time the heaviness of the body demonstrations descending.
Subject: biology
Level: college
Keywords: Apparent weight, Apparent load of an item, Apparent weight zero.
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A fragment of dna was found to have 45 adenine bases and 25 guanine bases. what is the total number of deoxyribose molecules in the molecule?
The DNA fragment has 45 adenine bases and 25 guanine bases, making a total of 70 bases. Therefore, as each deoxyribonucleotide contains one deoxyribose sugar, the total number of deoxyribose would be 70.
Explanation:The structure of a DNA molecule is based on nucleotides, each containing a five-carbon sugar called deoxyribose, a phosphate group, and a nitrogenous base. These nitrogenous bases can be adenine (A), guanine (G), cytosine (C), or thymine (T). As the question specifies, the fragment of DNA has 45 adenine bases and 25 guanine bases. Therefore, we can conclude there are 70 deoxyribonucleotides that form part of the DNA strand.
Since each deoxyribonucleotide contains one deoxyribose sugar, the total number of deoxyribose molecules present in the fragment would be equal to the total number of bases i.e. adenine bases + guanine bases, which is 45+25 = 70.
So the total number of deoxyribose molecules in this fragment of DNA would be 70.
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Blood glucose levels are regulated by secretions of ________ by the pancreas.
a. orexin
b. insulin
c. leptin
d. pyy
In endothermic animals, the color of their brown fat tissue is due to the presence of many mitochondria. how does brown fat tissue serve the animal? it
A mutation that causes resistance in a population of beetles is an example of _______.
a.
macroevolution
b.
microevolution
c.
migration
d.
reproduction
Imagine your forearm, hand, and fingers as a giant model of a neuron. based on this model, fingers are to dendrites as _____ is to _____. forearm; cell body hand; axon hand; cell body forearm; myelin
Answer:
Imagine your forearm, hand, and fingers as a giant model of a neuron. based on this model, fingers are to dendrites as hand is to cell body.
Explanation:
Neurons have three basic parts: the dendrites, the axon and the cell body. If we use the forearm, hand and fingers to represent this structure, we can say that the fingers would be the dendrites, the hand is the body of the cell and the forearm the axon.
Dendrites are extensions of the neuron that guarantee the reception of stimuli, leading the nerve impulse towards the cell body. The vast majority of neurons have a large amount of dendrites.
The axon is the extension that ensures the conduction of the nerve impulse. Each neuron has only one axon, which is generally longer than the dendrites.
The cell body is the site of the neuron where the nucleus is present, most of the cell organelles, and where the extensions of that cell depart.
Consider how lettuce or spinach placed in water becomes firm and crisp. Use what you have learned about cell membranes to explain this observation
Lettuce or spinach when placed in water becomes firm and crisp by the process of osmosis.
The diffusion of solvent molecules through a selectively permeable membrane from a location of high water potential to a region of low water potential in the direction that tends to equalize the concentration of solutes on the two sides is referred to as osmosis.
Endosmosis and exosmosis are the two different types of osmosis.
Endosmosis-if a substance is placed in a hypotonic solution, the solvent molecules move inside the cell and the cell becomes firm or rigid.Exosmosis- if a substance is placed in a hypertonic solution, the solvent molecules move out of the cell.The cell membrane of lettuce or spinach is semipermeable, so when they are placed in water, the water moves inside the lettuce by the process of endosmosis, and the lettuce or spinach becomes firm and crisp.
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What will change if you permanently increase the extracellular K+ concentration? (more than one answer is possible)
a. the amplitude of action potential
b. the resting membrane potential
c. the membrane capacitance
d. the permeability of the neuron cell
e. the k+ conductance
The correct answer is option (a.) the amplitude of action potential, (b.) the resting membrane potential and (e.) the K+ conductance.
Increasing the extracellular K+ concentration will depolarize the cell, leading to a less negative resting membrane potential. This change will decrease the resting membrane potential closer to the equilibrium potential for K+. Consequently, it will also decrease the electrochemical gradient for K+ ions and reduce the driving force for K+ efflux. As a result, the K+ conductance will decrease. Finally, the amplitude of the action potential may decrease because the smaller electrochemical gradient for K+ ions will lead to a smaller K+ efflux during repolarization.
The incorrect options are:
c. The membrane capacitance: The membrane capacitance refers to the ability of the cell membrane to store charge. Increasing the extracellular K+ concentration does not directly affect membrane capacitance. Instead, it primarily affects the electrical properties of the membrane through changes in ion concentrations and permeability.
d. The permeability of the neuron cell: Increasing extracellular K+ concentration primarily affects the resting membrane potential and the electrical properties of the cell membrane, but it doesn't directly alter the permeability of the neuron cell. Permeability changes typically occur due to alterations in ion channels or membrane properties, not solely due to changes in extracellular ion concentrations.
Animated neon signs seem to move even when no physical movement
what is technology A.part of the scientific method B. computer, digital, and synthesized tools c. anything made by humans, as opposed to things made by nature d. none of the above
For many people, breakfast cereal is an important source of fiber in their diets. cereals also contain potassium, a mineral shown to be associated with maintaining a healthy blood pressure. an analysis of the amount of fiber (in grams) and the potassium content (in milligrams) in servings of 77 breakfast cereals produced the regression model modifyingabove potassium with caret equals 37 plus 26 fiberpotassium=37+26fiber. if your cereal provides 88 grams of fiber per serving, how much potassium does the model estimate you will get?
Using the regression model equation potassium=37+26fiber, you can estimate the amount of potassium in a serving of cereal. You do this by substituting the amount of fiber (in this case, 88 grams) into the equation. This highlights the nutritious value of breakfast cereal.
Explanation:The question is based on the regression model equation given as potassium=37+26fiber. In this model, potassium is predicted by the amount of fiber present. The number 37 is the constant (also known as the y-intercept), and 26 is the coefficient for fiber. This means that for each additional gram of fiber, potassium increases by 26 milligrams.
To find out how much potassium you get from cereal with 88 grams of fiber, plug the value into the equation: potassium = 37 + 26*88. Solving this gives you the estimated potassium content. It demonstrates the vital role of breakfast cereal as a source of crucial nutrients and emphasizes the importance of a balanced diet.
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A surgeon recommends surgery to make the genitals of an intersex infant conform to an ideal of normal genitalia. a sociologist might view the doctor's recommendation as a result of
Base on the given scenario, a sociologist might view the doctor’s recommendation as a result of belief in a binary sex system of which the social norm is about in terms of topics related with the gender and sex of humans and the doctors recommendations are all because of their beliefs and perspectives that they had acquire.
In animals, the bulk of energy is stored as __________.
a. fatty acids
b. triacylglycerols
c. glycogen
d. waxes
e. glycerophospholipids
Final answer:
The bulk of energy in animals is stored as triacylglycerols or triglycerides, which are made of glycerol and three fatty acids, and provide long-term energy storage.
Explanation:
In animals, the bulk of energy is stored as triacylglycerols, also known as triglycerides. These molecules are the primary form of long-term energy storage in animals and consist of one glycerol molecule esterified to three fatty acids. After being made, triglycerides are stored in specialized cells called adipocytes. When energy is needed, enzymes called lipases hydrolyze the triglycerides, releasing fatty acids that can be catabolized through a process called beta-oxidation. This occurs in the mitochondria, generating two-carbon acetyl units which enter the citric acid cycle as acetyl CoA, to be ultimately used for ATP production. Glycerol, on the other hand, can be phosphorylated and enter glycolysis to further contribute to cellular energy supply.
Why would the male pelvis exhibit more prominent (pronounced) bone markings than the female pelvis?
The male pelvis exhibits more prominent bone markings than the female pelvis due to differences in size and shape. These differences arise primarily from the need to support and facilitate reproduction.
In general, the male pelvis exhibits more prominent bone markings than the female pelvis due to differences in size and shape. These differences arise primarily from the need to support and facilitate reproduction. For example, the female pelvis is wider and shallower to accommodate the passage of a baby during childbirth, while the male pelvis is narrower and deeper to provide stability and support for the heavier upper body.
Some specific bone markings that are more pronounced in the male pelvis include:
The iliac crest: It is higher and more curved in males to anchor the large muscles of the thigh and buttock.The pubic arch: It is narrower in males to provide more stability and support during activities that involve weight-bearing.The sacrum: It is longer and narrower in males to provide a stronger attachment for the spinal column and support the weight of the upper body.Learn more about Sexual dimorphism in the pelvis here:https://brainly.com/question/33447031
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what are some of neurological damages to the structure of the brain?
Demography is one of the controllable variables in the external environment.
a. True
b. False
Which of the following shows the correct order in which genes are expressed?
A. RNA to DNA to proteins
B. DNA to proteins
C. RNA to proteins to DNA
D. DNA to RNA to proteins
A DNA segment that makes up a gene is read and converted into a single-stranded RNA sequence during transcription. From the nucleus, RNA travels into the cytoplasm. Thus, option D is correct.
What can be best define about Central dogma?The core dogma depicts the replication of DNA, the transcription of DNA into RNA, and the translation of RNA into proteins, as well as the flow of genetic information inside cells.
An identical copy of a double-stranded nucleic acid is produced through duplication. The genetic information is preserved during this procedure.
The core tenet of molecular biology is the transmission of genetic information from DNA to RNA to protein.
Gene mutations can have an impact on the proteins they produce, and some mutations can result in disease.
Therefore, central dogma follow the DNA to RNA to proteins.
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In cell f7, create a formula that calculates the salary for joan dickinson. her salary is calculated by adding her base salary (cell b7) to her total bonus (cell e7). (hint: do not use the sum function.)
"as a river enters the ocean, its current diverges and slows. the first particles to settle out of suspension are relatively ________."
HELP
Solar panels allow us to harness ___________ energy and convert it to __________ energy to heat water. chemical; thermal electromagnetic; thermal solar; chemical thermal; electromagnetic
I think it is thermal to electromagnetic
Answer: Electromagnetic and thermal
Explanation: The solar panels allows us to harness the electromagnetic energy and convert it into thermal energy which is used to heat water.
The reason it is electromagnetic energy not solar because light is a form of electromagnetic energy.
Solar panels converts energy into different forms based on the type of conversion we want.
The christian missionary boniface sought to prove that the god of the christian religion was stronger than the gods worshiped by the germanic peoples of central europe. he did so by
name two conclusions that have been drawn about harappan civilization
The Harappan civilization is known for its advanced urban planning and civil engineering, as well as the lack of political power concentration in the hands of hereditary monarchs.
Explanation:The Harappan civilization, also known as the Indus Valley Civilization, was notable for two main aspects. First, it showed a tremendous understanding of urban planning and civil engineering. This is evident from their construction of advanced drainage systems, orderly streets, and the creation of standardized bricks. These discoveries suggest that the society was well-organized and technologically advanced for its time. Second, it is believed that the Harappan civilization did not hold political power in the hands of hereditary monarchs, as was the case with many concurrent civilizations.
Indicative of this is the common culture defined by shared architectural and societal norms, suggesting a unified central authority. Additionally, despite the large size and population of this civilization, the society showed little to no war dominance or monumental architecture used to display power or influence. Instead, the civilization seemed to progress holistically, progressing technologically, artistically, and spiritually.
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Where do the light-independent reactions of photosynthesis take place?
According to the Doppler effect, the sound of a police car siren is and pitched as it approaches the observer.
Answer:
On the basis of the Doppler effect, the sound of a police car siren is louder and higher pitched as it move towards the observer.
Explanation:
Whenever the police car with a siren moves towards an individual, the frequency of the siren will increase and the reverse happens when the police car moves away from the person. The individual can listen to the sound of the siren louder and clearer when the car approaches the individual, as the sound is highly pitched when it moves towards the observer. This phenomenon is known as the Doppler effect.
During glacial periods, the concentration of carbon dioxide in trapped air bubbles in glacial ice is ___ when compared to the concentration during interglacial periods. lower much higher higher the same
During glacial periods, the concentration of carbon dioxide in trapped air bubbles in glacial ice is lower compared to interglacial periods. Ice core data shows a range of about 180 ppm during glacial maxima to 280 ppm during interglacials.
During glacial periods, the concentration of carbon dioxide (CO2) in trapped air bubbles in glacial ice is lower when compared to the concentration during interglacial periods. This is evidenced by ice core data which shows that CO2 concentrations varied between about 180 parts per million (ppm) during glacial maxima and 280 ppm during interglacials. The lower levels of CO2 during glacial periods are linked to cooler global temperatures and are a result of various biological and geochemical processes.
During the last Ice Age, for example, CO2 levels were below 200 ppm and average temperatures were significantly colder than today. Studies, such as those involving foraminifera and ice core records, have demonstrated a tight connection between climate and the carbon cycle, indicating that changes in atmospheric CO2 concentrations can influence global climate patterns, as well as be affected by them.