I NEED HELP ASAP
A O Pigs are more closely related to hedgehogs than to elephants.
B O Pigs are not related to hedgehogs, but they are distantly related to elephants.
C O Pigs are not related to elephants, but they are distantly related to hedgehogs
D O Pigs are more closely related to elephants than to hedgehogs
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Which statement best compares the evolutionary relationship of an elephant, a hedgehog, and a pig?
(1 point)
Answers
Pigs are distantly related to elephants, and they are not related to hedgehogs. The correct answer is option B. This could describe the evolutionary relationship between them.
Pigs and hedgehogs may resemble one another on the surface, but their evolutionary relationships are not particularly close. On the other hand, even-toed ungulates, such as pigs and elephants, are members of the same biological group called Artiodactyla. Pigs belong to the family Suidae, while elephants belong to the Elephantidae family. Pigs and elephants, despite belonging to distinct families, have a more distant common ancestor than hedgehogs. Pigs and hedgehogs are not closely related, although pigs and elephants have a distant evolutionary tie.Therefore, the statement that compares the evolutionary relationship of an elephant, a hedgehog, and a pig in the best way possible is option B.
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Related Questions
A large number of deaths due to bovine spongiform encephalopathy (mad cow disease) were reported among retires of farm workers. Because of this, investigators formed a cohort of farm workers using insurance claims data. The farm workers who actually worked with livestock would be the exposed group, while veterinarians might constitute the unexposed group. This study design is an example of_______? • A. Cohort, prospective • B. Case-control • C. Clinical trial • D. Cohort, retrospective
Answers
The study design described in the scenario is an example of a retrospective cohort study. The correct answer is D. Cohort, retrospective
A cohort study is an observational study that follows a group of individuals over time to investigate the relationship between exposure to certain factors and the development of outcomes or diseases.In this case, the investigators formed a cohort of farm workers using insurance claims data, which means they selected individuals who had a history of working on farms.The study design is retrospective because the investigators are looking back at past data (insurance claims) to determine the exposure status of the individuals.They identify the exposed group as farm workers who actually worked with livestock and the unexposed group as veterinarians.
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How are the testes and ovaries similar?
A.
Both store mature sex cells.
B.
Both produce sex cells.
C.
Both transport sex cells from their site of production.
D.
Both connect internal reproductive organs to the exterior.
Answers
_________type of energy transformed into thermal energy in a toaster
Answers
Electrical energy is transformed into thermal energy in a toaster.
In a toaster, electrical energy is transformed into thermal, or heat, energy. An electrical appliance used to make toast called a toaster. The procedure is inserting slices of bread into a toaster's slots and heating them with electricity. Toasted bread, or just toast, is produced when electrical current passes over coils that heat up.
Our homes' hot water geysers perform the same method, converting electrical energy to heat energy and then using that heat to warm the water. Electric heaters and cooktops operate using the same energy conversion.
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What vaccinations are given to cattle?
I need this ASAP....
Answers
Answer:
Clostridial diseases
IBR (Infectious Bovine Rhinotracheitis)
BVD (Bovine Viral Diarrhea)
PI-3 (Parainfluenza 3 virus)
BRSV (Bovine Respiratory Syncytial Virus)
Pasteurella
Leptospirosis
Brucella
Explanation:
Which of the proteins analyzed by Western blot did you expect to travel the fastest/greatest distance on the gel?
a. His-tagged DHFR
b. GST-DHFR-His
c. Myc-Flag-tagged DHFR
d. Tubulin
Answers
Tubulin is the protein analyzed by Western blot expect to travel the fastest/greatest distance on the gel
Tubulin is a protein component of microtubules, which are important structural elements involved in various cellular processes such as cell division, intracellular transport, and cell shape maintenance. Tubulin is a relatively small protein with a molecular weight of around 50-55 kDa. In Western blot analysis, the mobility of proteins on the gel is inversely proportional to their molecular weight. Smaller proteins can migrate more easily through the pores of the gel matrix, resulting in greater distance traveled during electrophoresis.
In comparison to the other options provided, tubulin has a lower molecular weight than His-tagged DHFR, GST-DHFR-His, and Myc-Flag-tagged DHFR. His-tagged DHFR and GST-DHFR-His are fusion proteins, which are typically larger due to the inclusion of additional protein domains or tags. Myc-Flag-tagged DHFR also includes multiple tags, which can increase its size. Therefore, based on molecular weight considerations, tubulin would be expected to travel the fastest and cover the greatest distance on the gel during Western blot analysis.
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Which leads reflect ischemic changes in the right coronary artery?
Answers
Leads II, III, and aVF reflect ischemic changes in the right coronary artery. The leads II, III, and aVF are known as the inferior leads in an electrocardiogram (ECG).
These leads specifically monitor the electrical activity of the heart's inferior wall, which is primarily supplied by the right coronary artery (RCA). Ischemic changes in the RCA can be detected by observing abnormalities in these leads.
The RCA is responsible for supplying blood to the inferior part of the heart, including the inferior wall and the posterior part of the septum. When there is a blockage or reduced blood flow in the RCA due to ischemia, it can lead to changes in the ECG recordings of the inferior leads (II, III, and aVF).
These changes may include ST-segment depression, T-wave inversion, or the development of pathological Q-waves, indicating myocardial ischemia or infarction in the area supplied by the RCA.
Therefore, by analyzing the ECG findings in leads II, III, and aVF, healthcare professionals can identify and assess the presence of ischemic changes in the right coronary artery territory, providing valuable diagnostic information for patient care.
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Why does my cat keep putting her butt up and meowing but she isn't in heat
Answers
Answer:
she is most likely stretching if she looks like she is doing the downward dog yoga pose
Explanation: i have cats
An protein that speeds up the rate of a chemical reaction is called a (an) *
Answers
An protein that speeds up the rate of a chemical reaction is called an enzyme.
What is on the X and Y-axis of an HR diagram?
Select all that are true
Absolute Magnitude Decreases as you move up on the Y-axis
Temperature Decreases as you move to the right on the X-axis
Absolute Magnitude Increases as you move up on the Y-axis
Temperature Increases as you move to the
Answers
As you walk along the X-axis to the right, the temperature drops. As you advance up the Y-axis, Absolute Magnitude grows. As a result, choices B and C are the right ones.
Hertzsprung-Russell Diagram, or H-R, is a graph of the temperature and brightness of stars. Given that color and temperature are related, it displays color. The data for thousands of stars were plotted by these two astronomers, and they identified certain patterns.
One of the most crucial tools for studying star evolution is the HR diagram, often known as the Hertzsprung-Russell diagram (HR diagram). It was separately created by Ejnar Hertzsprung and Henry Norris Russell in the early 1900s and shows either the color of stars (or spectral type) against their absolute magnitude or the temperature of stars against their brightness (the theoretical HR diagram) (the observational HR diagram, also known as an Absolute Magnitude diagram).
As a result, we may state that the Absolute Magnitude increases as you walk up the Y-axis and the Temperature decreases as you move to the right on the X-axis.
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can cells bypass the g2 checkpoint and move to the synthesis
Answers
Answer:
yes
Explanation:
As long as the phase is fully completed then it will pass the G2 checkpoint and move into synthesis.
ATP synthase molecules in mitochondria form dimers that are localized mostly to sharp cristae ridges. What should happen if subunits of the synthase that are required for dimerization are mutated in yeast?
Answers
Answer: To increase the capacity of the mitochondrion to synthesize ATP, the inner membrane is folded to form cristae. These folds allow a much greater amount of electron transport chain enzymes and ATP synthase to be packed into the mitochondrion.
Explanation: i got it right
Answer:
The insufficient ATP synthase phosphorylating capacity with respect to the respiratory chain results in an impaired energy provision and an increased ROS production due to an elevated mitochondrial membrane potential (1,16).
Explanation:
‼️‼️‼️please help!!!
Answers
Answer:
fossil fuel use in automobiles
Explanation:
Nitrogen oxides come from car exhaust, coal power plants, and factory emissions. VOCs are released from gasoline, paints, and many cleaning solvents. When sunlight hits these chemicals, they form airborne particles and ground-level ozone—or smog.
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Which sex chromosome genotype(s) would you expect to express Xist RNA? Select all that apply.A. XXB. XXXXC. XYD. XXXY
Answers
The sex chromosome genotype(s) that would be expected to express Xist RNA are XX and XXX.
Xist (X-inactive specific transcript) RNA is a non-coding RNA molecule that plays a crucial role in the process of X chromosome inactivation in female mammals. X chromosome inactivation is the mechanism by which one of the two X chromosomes in females is randomly silenced to achieve dosage compensation with males who have only one X chromosome.
In XX individuals, one of the X chromosomes is randomly chosen to become inactivated, and the Xist gene on the inactive X chromosome is expressed. The Xist RNA coats the entire inactive X chromosome, leading to its transcriptional silencing.
Similarly, in XXX individuals, two of the three X chromosomes are randomly inactivated, and Xist RNA is expressed from the inactivated X chromosomes.
In XY and XXXY individuals, who possess only one or two X chromosomes, respectively, Xist RNA expression and X chromosome inactivation do not occur because there is no need to equalize gene dosage between X and Y or multiple X chromosomes.
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how would living things differ if cell divison took place only for reproduction
Answers
Answer:
How would living things differ if cell division took place only for reproduction? All living things would be single celled. How is meiosis related to sexual reproduction? Meiosis produces the sex cells that join to form new offspring during sexual reproduction.
What is the answrr for this please help meeeeee
Answers
Answer:
a baby boy
Explanation:
it is because
having child birth
gives birth to a baby boy or girl
Any one can please fill all the labellings.
thanks:)
Answers
Answer:
1 = True Ribs or Vertebrosternal Ribs
2 = False Ribs or Vertebrochondral Ribs
3 = Floating Ribs
4 = Thoracic Vertebrae 1 (T1)
5 = Ribs
6 = Coastal Cartilage
Explanation:
Thus, The Whole Structure is known as Rib Cage or Thoracic Cage
-TheUnknownScientist
Which of the following required a protein channel (carrier) to allow molecules to cross the cell membrane (plasma membrane)? (Hint: multiple answers)
A. facilitated diffusion
B. osmosis
C. active transport
D. diffusion
Answers
Answer:
the answer would be c
Explanation:
The process that entails the movement of protein channel (carrier) through cell membrane (plasma membrane) as regards this question is C. active transport
Active transport can be regarded as a process involving the movement of molecules through the cellular membrane using cellular energy. Active transport is utilized by cells for accumulation of needed molecules. These molecules could be glucose as well as amino acids.Therefore, option C is correct.
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how can small changes make a large impact to help mitigate global warming? what kinds of personal lifestyle changes can be made to reduce the demand for fossil fuels?
Answers
Small changes in our daily lives can have a significant impact on mitigating global warming. Some of these changes include reducing energy consumption, increasing the use of renewable energy sources, driving less, eating a plant-based diet, and reducing waste.
Personal lifestyle changes such as reducing energy consumption by turning off lights and electronics when not in use, using energy-efficient appliances, adjusting thermostats, and increasing the use of renewable energy sources can help reduce the demand for fossil fuels.
Driving less by using public transportation, carpooling, biking or walking, adopting a plant-based diet or reducing meat consumption, and reducing waste through recycling, composting, and using reusable bags and containers can also have a positive impact on the environment.
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please help me! Give the chemical name of a common example of an acid or a base used to clean grease
Answers
Answer:
Potassium or sodium hydroxide (KOH or NaOH) react with triglycerides to form soap (the process is called saponification, the reaction of a strong alkali with fats and oils). Soap is alkaline in nature and is an effective cleansing agent. It is a useful mild antiseptic and can treat heavy metal poisoning.
Please help me out and give me the answer :).
Answers
Answer:
A. less genetic variation in human
Explanation:
the species could die out due to disease and any immunity gained will die with the individual.
The concentration of glucose in the blood at P, and in the fluid at Q, is 0.1 per cent. The concentration of glucose in the fluid at R is 0.0 per cent.
Use information from the diagram, and your own biological knowledge, to explain the change in glucose concentration from point P through to point R.
Answers
Answer:
Explanation:The change in glucose concentration from point P to point R can be explained by the process of diffusion. Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration.
At point P, the concentration of glucose in the blood is 0.1 percent. This means that there is a higher concentration of glucose in the blood compared to the surrounding fluid. Due to the concentration gradient, glucose molecules will tend to move from the blood to the surrounding fluid through diffusion. As a result, glucose molecules will diffuse from point P towards point R.
As the glucose molecules move from point P towards point R, they will continue to spread out and mix with the surrounding fluid. At point Q, which is between P and R, the concentration of glucose in the fluid will increase due to the diffusion of glucose from the blood. However, the concentration at point Q will still be lower than the initial concentration at point P.
As the glucose molecules continue to diffuse towards point R, the concentration gradient decreases. Eventually, at point R, the concentration of glucose in the fluid is 0.0 percent. This means that all the glucose molecules have diffused from the blood and mixed with the fluid, resulting in an equal concentration of glucose in the blood and the fluid at point R.
In summary, the change in glucose concentration from point P to point R is due to the process of diffusion, where glucose molecules move from an area of higher concentration (point P) to an area of lower concentration (point R) until equilibrium is reached.
At point P, the concentration of glucose in the blood is 0.1 per cent, which is the same as the concentration in the fluid at Q. This suggests that at point P, glucose is freely filtered from the blood into the glomerular filtrate without being selectively reabsorbed. Therefore, the concentration of glucose remains constant from point P to point Q.
However, at point R, the concentration of glucose in the fluid is 0.0 per cent. This indicates that glucose has been selectively reabsorbed from the glomerular filtrate back into the blood. In the renal tubules, specialized transporters actively reabsorb glucose molecules from the filtrate and transport them back into the bloodstream. This process ensures that glucose, which is an important energy source for the body, is retained rather than being excreted in the urine.
The change in glucose concentration from point P to point R is due to the selective reabsorption of glucose in the kidneys. As the glomerular filtrate passes through the renal tubules, glucose is actively transported back into the bloodstream, leading to a decrease in its concentration from point P to point R. This mechanism helps maintain a stable blood glucose level and prevents the loss of valuable energy resources.
What gland is essential to the menstrual and ovarian cycles
a.adrenal
b.thyroid
c.pituitary
Answers
The pituitary gland is responsible for the release of follicle-stimulating hormone and leutinizing hormone. Follicle-stimulating is important in the follicular phase of the menstrual cycle, as it stimulates the development of ovarian follicles. Leutinizing hormone is important in the initiation of ovulation and in the stimulation of the corpus luteum to produce progesterone.
In the electron transport chain, which structure forms a channel in the inner membrane of the mitochondria and adds phosphate to ADP
Answers
Answer: ATP synthase
Explanation:
The ATP synthase complex is an enzyme located in the inner membrane of the mitochondrion that catalyzes the synthesis of ATP from ADP, a phosphate group and energy supplied by a proton (H+) flux. This ATP synthesis occurs during cellular respiration, which is a set of biochemical reactions by which certain organic compounds are completely degraded by oxidation to inorganic substances. This process provides usable energy to the cell in the form of ATP.
During cellular respiration, ATP synthesis is termed oxidative phosphorylation and the proton flux takes place between the intermembrane space and the mitochondrial matrix. ATP synthase produces ATP when protons flow through it. The proton flow creates a pH gradient and an electrochemical gradient. This proton gradient is used by ATP synthase to form ATP via oxidative phosphorylation. ATP synthase acts as an ion channel that "returns" protons to the mitochondrial matrix. During this return, the Gibbs free energy produced during the generation of the oxidized forms of electron transporters is released. This energy is utilized for ATP synthesis. It must then be considered that the electron transport chain and oxidative phosphorylation are coupled by the proton gradient.
The full moon starts at the beginning of the lunar cycle. Will give brainliest!!
A.) true
B.) false
Answers
Answer:
False.
Explanation:
The new moon begins at the lunar cycle. But the full moon ends at the lunar cycle. Hope this helps! ^^
Which of these statements about narrow sense heritability (h^2) is TRUE?
Group of answer choices
Narrow sense heritability includes only epistatic effects of alleles.
Narrow sense heritability can be estimated by comparing quantitative trait loci among offspring using regression.
The numerator of narrow sense heritability includes only the additive effects of alleles.
The numerator of narrow sense heritability includes additive, dominant, and epistatic gene effect
Answers
The statement that is true about narrow sense heritability is that the numerator of narrow sense heritability includes only the additive effects of alleles.
The narrow sense heritability (h²) measures the proportion of the total phenotypic variance that is caused by additive genetic variance. Narrow-sense heritability refers to the relative contribution of additive genetic variance to total phenotypic variance. This is used to determine how much of the phenotype is determined by the genetic differences between individuals and how much is determined by the environment. The numerator of narrow sense heritabilityThe numerator of narrow sense heritability includes only the additive effects of alleles. The additive genetic variance refers to the additive effects of alleles, which means that the variance is equal to the sum of the individual genetic effects. Therefore, the numerator of the narrow sense heritability equation is composed of only the additive genetic variance. The denominator of narrow sense heritabilityThe denominator of the narrow sense heritability equation includes both additive genetic variance and environmental variance. Therefore, the denominator includes all factors that contribute to the total phenotypic variance. The formula is as follows: h² = VA / (VA + VE)Where VA is the additive genetic variance and VE is the environmental variance. Therefore, narrow sense heritability can be defined as the ratio of additive genetic variance to total phenotypic variance.
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Where is most of the water on Earth found?
Answers
Answer:
in the oceans
Explanation:
Over 97 percent of the earth's water is found in the oceans as salt water. Two percent of the earth's water is stored as fresh water in glaciers, ice caps, and snowy mountain ranges. That leaves only one percent of the earth's water available to us for our daily water supply needs.
What would you use to measure an amount of solid sodium chloride(NaCl) crystals to add to a 30 mL solution?
A. 10 ml graduated cylinder.
B. Scale that can weigh up to 250 lbs.
C. Triple Beam Balance that measures to the nearest 0.1 grams.
D. Spectrophotometer that measures between 100 and 900 nanometers.
Answers
Answer:
Option C, Triple Beam Balance that measures to the nearest 0.1 grams
Explanation:
A Triple Beam Balance can measure mass of substances very accurately
For this case, a measurement device is required which can measure the mass of small quantity of salt for dissolving in 30 ml of solution.
A graduated cylinder measure volume so this would not help. A Spectrophotometer measures the intensity of light so this would not help. A Scale that can weight up to 250 lbs would not work for this case as small weight is to be measured.
Option D would be correct
Which of the following ligaments does not belong to the coxal joint?
Choose matching definition
fibular collateral ligament
saddle joint
patellar ligament
flexion and extension
Answers
The fibular collateral ligament is not a ligament of the coxal joint. The coxal joint refers to the hip joint, which is the joint between the hip bone and the femur.
This joint is supported by several ligaments, including the iliofemoral ligament, ischiofemoral ligament, and pubofemoral ligament. Therefore, option A, fibular collateral ligament, does not belong to the coxal joint as it is a ligament of the knee joint rather than the hip joint. It is found in the lateral aspect of the knee joint, where it is closely associated with the lateral meniscus, lateral epicondyle of the femur, and the lateral condyle of the tibia.The other options given in the question do not relate to the coxal joint either.
Option B, saddle joint, refers to a joint where the articulating surfaces resemble a saddle, such as the joint between the thumb and wrist. Option C, patellar ligament, refers to the ligament that connects the patella (kneecap) to the tibia. Option D, flexion and extension, are types of movement that occur at joints and do not refer to any specific ligaments or joints. The fibular collateral ligament is not a ligament of the coxal joint.
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1. Chemical properties describe how a substance changes Trure Or False
Answers
Answer:
False
Example:
Only the physical properties like shape, size, appearance etc., are changed. Hence the given statement is false.
Answer:
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What do mitochondria do in healthy cells, and ny had defective mitochondria caused
David to lose his vision?
Answers
Muscle weakness, intolerance to exercise, decreased hearing and vision, ataxia, seizures, learning difficulties, heart problems, diabetes, and poor growth are the hallmark signs of mitochondrial myopathy.
What will happen if have a defective mitochondria?Defects in mitochondria, the body's energy producers that may be found inside practically all cells, are the root cause of mitochondrial disorders. mitochondrial myopathies are mitochondrial diseases that create noticeable muscular issues, while mitochondrial encephalomyopathies are mitochondrial disorders that cause noticeable muscular and neurological abnormalities.Several of the syndromes linked to mitochondrial disease include Barth syndrome, Chronic progressive external ophthalmoplegia, Kearns-Sayre syndrome, Leigh syndrome, Mitochondrial DNA depletion syndromes , Mitochondrial encephalomyopathy, Lactic acidosis, and stroke-like episodes, Mitochondrial neurogastrointestinal encephalomyopathy, Myoclonus epilepsy with ragged red fibers, Neuropathy, ataxia, and retinitis pigmentosa , Pearson syndrome.The mtDNA mutation that causes NARP also causes MILS, and the two disorders can coexist in the same family. NARP can cause developmental delay, seizures, and dementia in addition to the primary symptoms for which it is called.To learn more about mitochondria refer :
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