Red Blood Cells.................................................
How do strides indicate whether the walker is a male or female?
Describe three factors that contribute to how much damage is done to living tissue by radiation
The third stage of cellular respiration is
A- they Krebs cycle
B- the electron transport chain
C- fermentation
D-glycolysis
Lol the next question has the answer in it
which is true if a population is in genetic equilibrium
a) Evolution is occurring
b) new species are evolving
c) allele frequency is changing from one generation to the next
d) allele frequency is remaining the same from one generation to the next
Animals are not capable of converting fatty acids into glucose because
Animals are not capable of converting the fatty acid molecules into glucose molecule because fatty acid degradation through the citric acid cycle does not lead to an increase in the oxaloacetate molecule. Thus, the correct option is B.
What is Fatty acid metabolism?Fatty acid metabolism is a two-carbon process in the synthetic directions, there are two carbons which are added at a time to a growing fatty acid chain, and in the degradative direction, the two carbons are removed from the compound at a time. In each case, there is a four-step reaction cycle which gets repeated over and over again.
Animals are not capable of converting most of the fatty acid molecules present in the cell into glucose molecules because in the citric acid cycle (TCA cycle), acetyl-CoA molecule reacts with oxaloacetate and thus, oxaloacetate production can be balanced by the oxaloacetate consumption in the cell. This means that there is no net conversion of acetyl-CoA into oxaloacetate.
Therefore, the correct option is B.
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Your question is incomplete, most probably the complete question is:
Animals are not capable of converting most fatty acids into glucose because... (select all that apply)
a. the products of fatty acid degradation cannot leave the mitochondrion.
b. fatty acid degradation through the citric acid cycle does not lead to a net increase in oxaloacetate..
c. fatty acid degradation products allosterically inhibit the enzymes for gluconeogenesis.
d. fatty acid degradation does not produce sufficient energy in the form of ATP to drive gluconeogenesis.
On May 18, 1980, Mount St. Helens in Washington State experienced a huge volcanic eruption after a magnitude 5.1 earthquake During the eruption, hot ash and pumice poured down the west, south, and east sides of the mountain, melting the snow and oe at he op of the volcano and around Mount St. Helens after it erupted? creating volcanic mudflows. Which type of change was seen in the ecosystem
It Is A or Primary Succession
Organisms whose cells do not contain a well-defined nucleus are called ______________.
The practice where advanced learners are separated from regular learners is referred to as:
The practice where advanced learners are separated from regular learners is referred to as Tracking.
Tracking is classifying students by scholastic expertise into associations for all subjects or specific courses and curriculum inside a school. It may be attributed to as streaming or phasing in several schools. In other schools, tracking is a meritocracy that relies on teacher instructions, patterns, and student urge to determine deployment. Some tracking systems applied to as ability-grouping methods which allow students to different categories based on their recognized ability in that subject.
As a result of the industrial revolution _____.
a) obtaining energy became more difficult
b) profound social and economic changes occurred
c) energy use decreased
d) humans increasingly relied on wood burning for energy
The correct answer is option B
Industrial revolution led to huge development socially and economically. Industrial revolution led to machinization and the this transformation led to growth and development. Previously the source of production was man labor but after industrial revolution the production was done by machines. This led to development in terms of social and economical development.
Which statement best describes a hierarchy of traits? A. a structured progression of personality B. a structured progression of needs C. when self-concepts match experiences D. when specific behaviors are reinforced
The correct answer is option A
Reason -
As per the Big Five model, there are five basic hierarchical traits of personality and they are – Extraversion, Neuroticism, Agreeableness, Conscientiousness and Openness to Experience. These five characteristics represent one level of hierarchy. The traits of personality drive the behavior of an individual in broader term. Each personality trait has certain characteristic which is driven by different facets or bands.
Answer:
It's A
Explanation:
I'm not sure why brodie getting bad votes but it's A
10.
Life science explores _____.
how living things interact with the earth
the structure of atoms and molecules
humans and their cultures
the nature of the earth and space
Answer:
Life science explores how living things interact with the earth.
You are attending to a 3-year-old female who fell off her bicycle and struck her head on the curb. the patient is alert and crying. when you attempt to immobilize her on a backboard, she becomes very upset and agitated. the most suitable alternative to the backboard is to:
If the gene for a protein suffers a nonsense mutation, which will be the most likely result when the gene is expressed
When a gene experiences a nonsense mutation, an early stop codon is produced that prematurely ends protein synthesis, often leading to the production of truncated and nonfunctional proteins.
Explanation:When a gene for a protein goes through a nonsense mutation, a codon within the gene is altered to become a stop codon. These stop codons signal the end of protein synthesis, so if a nonsense mutation occurs earlier in the sequence than it should, it can result in an abrupt halt in protein creation.
This can lead to the production of truncated proteins, which are usually nonfunctional since they are shorter than they should be and lack the necessary amino acids to perform their role. In brief, the most likely scenario when a nonsense mutation happens is that a nonfunctional protein will be produced by the gene in question.
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Explain what liquid diets fasting and diet pills have in common
Two mice are heterozygous for albinism (aa) . the dominant allele (a) codes for normal pigmentation, and the recessive allele (a) codes for no pigmentation. what percentage of their offspring would have an albino phenotype?
To drill or not to drill? That is the big question as Americans face climbing gas prices. A group of research scientists employed by Mobil Oil conducted a study on the feasibility of drilling for oil off the coast of California. They researched the impact of oil drilling on near-by ecosystems and investigated the likelihood of future oil spills. According to their data, coastal California would be an excellent location to drill for oil. Based on standard scientific method protocol, what should these scientists have done before reporting their findings?
Before publishing the reports of their findings, standard scientific method protocols requires that an unbiased research team should review the methods, data, and conclusions of the research. The research scientists can only publish their reports if the review team deems their methods, data and conclusions satisfactory and without bias.
Answer: In order to confirm drilling at the off coast area, several preliminary surveys are needed to be done, such as-
Seismic survey is carried out in order to understand about the subsurface structures that are present in that area, that might cause difficulty in drilling.Facies analysis are done, in order to make a detailed study. It helps in determining the type of facies present, when the rocks were deposited and what are its lithological characteristics.Also it determine the oil and gas prospect at the favorable sites.So, after completely analyzing this criteria, fulfilling the necessary terms and conditions, the scientists reports these data and subsequently go for drilling.
Why is it not necessary to include a negative control for this stain procedure?
What is the name of the brain stimulation method that involves manipulating materials and social interaction?
Final answer:
The brain stimulation method that involves manipulating materials and social interaction is known as brain-computer interface (BCI) technology, with transcranial magnetic stimulation (TMS) and deep brain stimulation (DBS) being other related methods.
Explanation:
The name of the brain stimulation method that involves manipulating materials and social interaction that you're referring to is likely brain-computer interface (BCI) technology. BCI allows individuals, including those with paralysis, to interact and control computers through neural activity rather than physical movements. Non-invasive methods include transcranial magnetic stimulation (TMS), which can improve electrical functioning in targeted brain areas and offer therapeutic benefits for conditions such as depression and hallucinations.
Invasive approaches like deep brain stimulation (DBS) involve surgical implantation of electrodes in the brain, which can enhance memory but may also lead to personality changes. Neurofeedback uses EEG patterns for different cognitive tasks, allowing individuals to modulate their brain activity through feedback, which can enhance cognitive performance and other skills.
How do veins return blood to the heart? check all that are correct. rev: 01_08_2018_qc_113189 veins have one-way valves that prevent backflow in the limbs. the contraction of skeletal muscles helps push the blood in veins back toward the heart. the skeletal muscle pump involves the automatic contraction of the smooth muscles in the walls of the veins. the pressure from the arteries is sufficient to push the blood through the veins and back to the heart?
The right answers are a. Veins have one-way valves... AND b. The contraction of skeletal muscles helps push the blood...
The venous system is equipped with an anti-reflux device: valves "check valves":
these are multiple "check valves", called valves, inserted at different levels within all the veins. The valves are open and help the venous return by directing the blood in the right direction (upwards) during muscle contraction. Valves close, preventing blood from flowing back down during muscle relaxation.
The muscles have a facilitating role in the venous return:
The muscular pumps namely the muscles of the sole of the foot, the muscles of the calf and the thigh, relayed by a passive effect of abdomino-thoracic aspiration linked to breathing, allow the venous return. By contracting, the muscles compress and massage the veins that surround them, chasing the blood they contain.
Indeed, in the absence of physical activity, the muscular pumps are stopped, the valves are open. Thus in the standing position, the difference in pressure between the ankles and the heart prevents an effective venous return.
When the body starts moving, the muscle pumps come into action and after a few steps, the pressure difference between the ankles and the heart decreases allowing a good venous return.
In the sitting position, the pressure difference between the ankles and the heart is still too great. Prolonged immobility, even when seated, compromises drainage. Such conditions promote typical postural venous insufficiency.
_____ are bacterial structures involved in the passage of dna into or out of the cell.
HELP!
In pea plants, the gene for the color of the seed has two alleles. In the following Punnett square shown below, the dominant allele (Y) represents yellow and the recessive allele (y) represents green.
Punnett Square showing a grid that is blank with 4 empty boxes, two columns and two rows. The female parent plant across the horizontal side, top, of the grid indicates a yellow phenotype and a genotype of Yy. The male parent plant along the vertical side of the grid indicates a yellow phenotype and a genotype of YY.
Based on the Punnett square, what percentage of offspring would be expected to have green seeds?
Parents : Yy (female) x YY (male)
Gametes: Y and y (from female) ; Y and Y (from male)
F1 generation: YY (yellow); Yy (yellow) ; YY (yellow); Yy (yellow)
So we will observe yellow seeds only in the F1 generation. Since there is no homozygous recessivie"yy" genotype in F1 generation, 0% of the offspring would be expected to have green seeds.
None of the offspring is going to have green seeds.
The male parent = YY
And they are yellow
The female parent = Yy
and they are also yellow.
The Punnet SquareWe do this to get the phenotype of the other generation. We match Yy with YY
YY * Yy
Y y
Y YY Yy
Y YY Yy
This gives a generation with 50 percent having the fathers YY and the other 50% having Yy
This then means that the phenotype for all these offspring would be yellow all throughTherefore non of them would be green.Read more on the punnet square here:
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A geneticist introduces a transgene into yeast cells and isolates five independent cell lines in which the transgene has integrated into the yeast genome. in four of the lines, the transgene is expressed strongly, but in the fifth there is no expression at all. which is a likely explanation for the lack of transgene expression in the fifth cell line?
This type of exocrine gland is a simple, branched acinar gland connected to a hair follicle.
Using the brake pedal analogy, explain the impact on the cell cycle of one mutated tumor suppressor gene allele versus two mutated tumor suppressor gene alleles.
One mutated tumor suppressor gene allele is like slightly pressing the brake, slowing cell cycle. Two mutated alleles fully disable the brake, potentially leading to uncontrolled cell division.
Imagine the cell cycle as a car, and the brake pedal as a tumor suppressor gene.
In a healthy cell, both alleles (gene copies) of the tumor suppressor gene act as brakes, controlling the speed of the car (cell cycle). If one allele is mutated (malfunctioning brake), it's like having a weakened brake pedal.
The car can still slow down, but it's not as efficient. Similarly, the cell cycle is somewhat controlled, but it might progress a bit faster than usual.
Now, if both alleles are mutated, it's like having two faulty brakes or even no brake pedal at all. The car (cell) can't slow down or stop effectively, and it might accelerate uncontrollably.
In terms of the cell cycle, with both alleles mutated, the normal regulatory mechanisms that slow down or halt the cycle are severely impaired.
The cell may divide rapidly and without proper checks, leading to uncontrolled cell growth, a hallmark of cancer.
This analogy illustrates the critical role of tumor suppressor genes in regulating the cell cycle. One mutated allele can slightly disrupt the cycle, making it more prone to abnormalities.
However, when both alleles are mutated, the cell cycle loses its regulatory control, resulting in accelerated and uncontrolled cell divisiona key factor in the development of tumors and cancer.
The analogy emphasizes the significance of preserving the functionality of both alleles of tumor suppressor genes to maintain proper cell cycle control and prevent cancerous growth.
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A situation in which an adult patient understands the risks involved in not having a procedure or treatment performed is known as:
"presidential republicanism" is a term used to describe when voters
A palpable pulse that presents with a chaotic rhythm and no predictable pattern is called:
Consider a population of wildflowers in which the frequency of the red allele cr is p = 0.7. what is the frequency of the white allele (cw ) in this population? what is the frequency of the white allele (cw ) in this population? 0 0.3 0.49 0.7 submitrequest answer part b this punnett square shows allele combinations for all possible genetic crosses in the wildflower population described in p
The total frequency of the red allele and the white allele in decimals or fraction adds up to 1. Here the frequency of red allele(cr) is p=0.7 and we need to determine the frequency of white allele (cw) which is q in the population.
[tex]p+q=1\\0.7+q=1\\q=1-(0.7)\\q=0.3[/tex]
The punnett square shows the probability of each genotype and corresponding phenotype.
The white allele has genotype : cw
The red allele has genotype : cr
The punnett square cross is as below:-
according to Hardy Wienberg equilibrium:
[tex]p^{2}=0.7^{2} \\=0.49\\q^{2} =(0.3)^{2}= 0.09\\2pq=2*0.7*0.3=0.42[/tex]
The phenotype of offspring will be 0.49 red flowers, 0.42 pink flowers and 0.09 red flowers.
All of the following show the probability of rolling an odd number on a 6-sided number cube except which of the following?
Susan is a geological researcher measuring the rate of removal of phosphorous from sedimentary rock during the phosphorous cycle. What process is Susan investigating? mineralization eutrophication weathering decomposition
The correct answer is weathering.
The dissociation of soil, rocks, and minerals, as well as wood and artificial components via exposing with the atmosphere of the Earth, biological species, and water, is known as weathering.
In the phosphorus cycle, the phosphorus moves in a cycle via water, rocks, sediments and soil, and organisms. In this cycle, with time, the process of weathering and rain makes rocks to discharge phosphate ions and other minerals. This inorganic phosphate then gets dispersed in water and soils.
The answer is weathering.
Weathering is the breaking down of rocks, soil and minerals as well as artificial materials through contact with the Earth's atmosphere, biota and waters.