A segment of DNA that stores genetic information is...?
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In a species of Drosophila, developing larva have special proteins in their epithelial cells. These proteins bind to a certain repressor in the larva's cells, which ultimately causes a dark pigment to be produced. What would you expect if scientists purposely injected a developing larva with an excess of these proteins?
Answers
Answer:
The larva gets dark pigment.
Explanation:
If scientists purposely injected an excess concentration of these proteins in the larva, the larva gets deep dark colour because this protein is responsible for the pigment colour in the larva of Drosophila. By increasing the protein concentration the pigment will also have a very dark colour. So we can conclude from this that increasing the amount of protein causes increase in the pigment colour.
In the small intestine, lipase breaks down ______ to produce a mixture of fatty acids, glycerol, and monoglycerides.a. triglycerides
b. cholesterol
c. rancidity
d. lipids
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In the small intestine, lipase breaks down lipids to produce a mixture of fatty acids, glycerol, and monoglycerides.
What is lipids ?
The fundamental units of the composition and operation of living cells are lipid molecules, which are composed of hydrocarbons. Fats, oils, waxes, some vitamins (including vitamins A, D, E, and K), hormones, and the majority of the cell membrane that isn't formed of protein are examples of lipids.
What is lipase ?
For food fats to be absorbed in the intestines, the body utilizes the enzyme lipase. The mouth, pancreas, and stomach all manufacture lipase.
Therefore, In the small intestine, lipase breaks down lipids to produce a mixture of fatty acids, glycerol, and monoglycerides.
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.Gaucher disease type 1 (GD1GD1) is a recessive genetic disease that affects 1 in 900 individuals in a particular population. GD1GD1 is caused by a mutation in the enzyme glucocerebrosidase.
Assuming the population is in Hardy-Weinberg equilibrium, calculate the frequency of the wild-type (nonmutant) allele for the enzyme glucocerebrosidase.
a. 0.001
b. 0.033
c. 0.967
d. 0.999
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Assuming the population is in Hardy-Weinberg equilibrium, the frequency of the wild-type (nonmutant) allele for the enzyme glucocerebrosidase is 0.999. Answer option d. 0.999
Hardy-Weinberg equilibrium states that, under certain conditions, allele and genotype frequencies in a population will remain constant from generation to generation. Assuming p is the frequency of the wild-type allele and q is the frequency of the mutant allele, p+q=1 and p²+2pq+q²=1 ….(i)
Where p² represents the frequency of the homozygous wild-type genotype (AA), q² represents the frequency of the homozygous mutant genotype (aa), and 2pq represents the frequency of the heterozygous genotype (Aa).Let p = the frequency of the wild-type allele. Thus q = 1 - p = frequency of the mutant allele. According to the problem, the incidence of the disease GD1 is 1 in 900 individuals: Therefore, frequency of GD1GD1 (q²) = 1/900 = 0.0011 - frequency of the mutant allele (q)Frequency of wild-type allele (p) = 1 - frequency of the mutant allele (q) = 1 - 0.001 = 0.999Answer: d. 0.999
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is Organic Really Better? Healthy Food or Trendy Scam?
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Answer:
It is better
Explanation:
It tastes better :)
And it has no pesticides
Answer:
♡ hi darling ♡
- Organic is great. Infact, I actually eat organic food for a living. Even the oreos are good, they taste better and it's better for you tbh. It helps you be more healthier but your still enjoying it because it's not like celery all day or something.
have a great day.
✧･ﾟ: *✧･ﾟ:･ﾟ✧*:･ﾟ✧･ﾟ: *✧･ﾟ:･ﾟ✧*:･ﾟ✧
Name 5 skills a person should have in a horticultural career??
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Answer:
Financial awareness, problem-solving ability, the ability to organise and manage your own workload, project management skills, and communication and interpersonal skills. These are some of 5 skills that you should have for a horticultural career, hope this helps
Which of these is true about genome size? a Bacterial, archaeal, and eukaryl genome sizes generally correlate with ORF content. b Only bacterial genome sizes generally correlate with ORF content. c Bacterial and archaeal, but not eukaryl, genome sizes generally correlate with ORF content. d Only eukaryl genome sizes generally correlate with ORF content
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These is true about genome size is C: Bacterial and archaeal, but not eukaryl, genome sizes generally correlate with ORF content.
ORF stands for open reading frame and is a sequence of DNA or RNA that can be translated into a protein. The size of bacterial and archaeal genomes are known to generally correlate with ORF content, meaning that a higher number of ORF sequences will result in a larger genome size. On the other hand, the size of eukaryotic genomes does not generally correlate with ORF content, so a larger number of ORF sequences may not necessarily result in a larger genome size.
So, the correct answer is C. c Bacterial and archaeal, but not eukaryl, genome sizes generally correlate with ORF content.
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5 points
2. Describe the offspring made from sexual reproduction *
The offspring will be like the dad.
The offspring is a combination of both parents
The offspring are exactly like one of the parents
The offspring are not like either of their parents. They got their DNA from someone
else.
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Answer:
The answer is the Second one. The offspring is a combination of both parents
Explanation:
Since both the parents genes and traits are mixed.
3. The sun's energy, which supports life, is transmitted to Earth in the form of
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Answer:
The correct answer is electromatic waves
Explanation:
Scientists have discovered a fossil skeleton of a whale-like creature that lived in the early Eocene epoch. The skeleton shows an organism with large fore and hind limbs with distinct toes. Fossil skeletons of closely related species from later periods show organisms lacking hind limbs. Which conclusion does this observation best support?
A. Ancestors of whales may once have been able to walk.
B.Ancestors of whales had fewer bones than modern whales.
C. Whales and their ancestors have always been ocean dwellers.
D. Whales and their ancestors have always been the largest living
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Answer:
A. Ancestors of whales may once have been able to walk.
Explanation:
You are trying to separate two proteins that are similar in size and surface charge, but that differ in their ability to bind to amylose (a carbohydrate). Which chromatography technique would be best
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In this scenario, affinity chromatography would be the best technique to separate the two proteins based on their ability to bind to amylose. Affinity chromatography utilizes a specific ligand that interacts with a particular target molecule with high affinity.
To exploit the difference in the ability of the proteins to bind to amylose, the amylose molecule can be immobilized on a solid support, such as a resin or column matrix. The protein mixture can then be passed through the affinity column, allowing the proteins to interact with the amylose ligand. The protein that has a higher affinity for amylose will bind tightly, while the protein with lower affinity will pass through the column more easily.
Once the proteins are bound, a wash step can be performed to remove unbound proteins, and then a specific elution step can be employed to release the tightly bound protein. By utilizing the affinity of the proteins for amylose, affinity chromatography can effectively separate the two proteins based on their differential binding properties, even if they are similar in size and surface charge.
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how are most of the non-essential amino acids made in the body?
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What is sheep brain structure?
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The brain of a sheep serves as its central nervous system. It directs the movement, feeling, and mental processes of the sheep. The cerebrum, cerebellum, and brainstem are the three primary regions of the sheep brain.
The cerebrum, which makes up the majority of the sheep brain, controls consciousness, perception, and cognition. It has the left and right hemispheres, which are joined by a mass of nerve fibres known as the corpus callosum. The cerebrum is in charge of taking in and deciphering data from the senses, like sight and hearing.
Coordination and balance are controlled by the cerebellum, which is situated beneath the cerebrum. It uses data from the senses, such as the eyes and ears, to coordinate the movements of the sheep. The sheep's ability to walk and run smoothly depends on its cerebellum.
The brainstem, which sits in between the cerebrum and the spinal cord, regulates vital processes including breathing, heart rate, and blood pressure. In addition, it has circuits that link the spinal cord and the rest of the body to the sheep brain.
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7. Name TWO reasons why photosynthesis is an important process.
.
*
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Answer:
1. It creates oxygen for humans and animals to breath.
2. It creates food for humans and animals.
Have a good day! or not...its up to you- <3
• It contributes to the carbon cycle between the earth, the oceans, plants and animals.
I hope it helps
Stay home stay safe !!
What can limit the production rate of an
entire ecosystem?
A limiting nutrients
B carrying capacity
C finite nutrients
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Answer:
The carrying capacity of an environment is the maximum population size of a biological species that can be sustained in that specific environment, given the food, habitat, water, and other resources available. In population ecology, carrying capacity is defined as the environment's maximal load, which is different from the concept of population equilibrium, which may be far below an environment's carrying capacity.[1] The effect of carrying capacity on population dynamics may be modelled with a logistic function.
explain how it helps in increasing the shelf life of fruits and vegetables based on membrane transport
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Answer: There are two categories of cross membrane transport, active and passive. While active transport requires energy, passive transport relies on concentration differences inside and outside of the membrane. With films that cover the outermost membrane of the fruit (the skin), this concentration gradient can be removed or slowed so membrane transport is also slowed and as a result, the fruit stays fresh longer. A good analogy for this is considering evaporation in an open jar on a hot day versus if there was a lid on the jar. Both jars would be in the same conditions, but the jar with the lid would retain more water.
Explanation: have a great day:)
Q. What are peristaltic movements ?
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➜ The contraction and expansion movements of the walls of food pipe are called peristaltic movements.
This movement pushes the food in forward direction in the alimentary canal.PLS HELP WILL GIVE BRAINLIEST!!
Answers
Answer:
Look Below
Explanation:
1. 60/1: 60 min in an hour = 1500 minutes
2. 1/3: 1 yard for every 3 feet = 5 1/3 yards
3. 4/1 and 2/1: 4 quarts in a gallon and 2 pints in a quart = 120 pints
4. 1/60, 1/60, and 1/24: = 500/ 86400 or 0.0058 days
Double-check the final answers if you have time.
5. Name the correct substrates for the following enzymes.
(i) Trypsin
(ii) Amylase
(iii) Pepsin
(iv) Lipase
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➜ Trypsin ⇢ Protein.
Amylase ⇢ Starch.
Pepsin ⇢ Protein.
Lipase ⇢ Fats.
Where are the sensory receptors for sound?
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Answer:
The cochlea contains an organ called the corti, which is responsible for hearing.
Answer:
the ears
Explanation:
determine the series of hormonal events that leads to birth. oxytocin stimulates the placenta to secrete prostaglandins. fetal cortisol stimulates the placenta to secrete estrogen. prostaglandins dilate the cervix, and with oxytocin, increase the strength of uterine contractions. the high estrogen level stimulates the uterus to form oxytocin receptors.
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The series of hormonal events that leads to birth is a complex and highly regulated process. It starts with the release of oxytocin, a hormone that stimulates the placenta to secrete prostaglandins.
Prostaglandins are known to dilate the cervix, which is necessary for the baby to pass through the birth canal. At the same time, oxytocin also increases the strength of uterine contractions, which helps to push the baby out.
Another important hormone in the process of birth is estrogen. Fetal cortisol stimulates the placenta to secrete estrogen, which plays a crucial role in preparing the uterus for birth. The high level of estrogen in the body stimulates the uterus to form oxytocin receptors, making it more sensitive to the effects of oxytocin.
Overall, the interplay of these hormones and the subsequent physiological changes they trigger lead to the onset of labor and the delivery of the baby. While this process can be influenced by a variety of factors, including environmental and genetic factors, the hormonal events that lead to birth are essential for ensuring a healthy delivery.
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Jane was in an interview that lasted approximately 20 minutes. It was very cool in the room. As she walked out of the room, she noticed droplets of water formed on her spectacles. What is this transition of water from a vaporous state to a liquid state called? A. melting B. freezing C. evaporation D. condensation E. deposition
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Answer: the answer is condensation
Answer:
condensation
Explanation:
Which of the following is present in the fetus but not in an adult human? (Points : 1.25) ductus arteriosus pulmonary vein left atrium superior vena cava internal iliac artery
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The correct answer to the given question is "Ductus arteriosus."
Ductus arteriosus is present in the fetus but not in an adult human. Ductus arteriosus is a blood vessel that connects the pulmonary artery and aorta in a fetus. It allows the majority of the blood to bypass the fetus' lungs, as the lungs are not yet fully functional and rely on the placenta for oxygen. The ductus arteriosus usually closes after birth and becomes a ligament called the ligamentum arteriosum. The pulmonary vein, left atrium, superior vena cava, and internal iliac artery are present in adult humans. The pulmonary vein carries oxygenated blood from the lungs to the heart's left atrium, while the superior vena cava carries deoxygenated blood from the upper half of the body to the right atrium. The left atrium is one of the heart's four chambers, while the internal iliac artery is one of the blood vessels that supply blood to the pelvic organs and the legs.
Thus, Ductus arteriosus is present in the fetus but not in an adult human.
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How is the DNA in a prokaryotes different from the DNA in a eukaryote?
A. Only prokaryotes are haploid.
B. DNA in eukaryotes is located in the nucleus.
C. Eukaryotes do not have chromosomes.
D. They have different number of chromosomes.
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Answer:
The DNA in prokaryotes is different from the DNA in eukaryotes in that DNA in eukaryotes is located in the nucleus, while prokaryotes do not have a nucleus. This is represented by option B. Eukaryotic DNA is organized into linear chromosomes and is associated with histone proteins, while prokaryotic DNA is typically circular and is not associated with histones. Additionally, eukaryotes have multiple chromosomes, while prokaryotes usually have a single chromosome.
Explanation:
What do lysosomes and Golgi bodies have in common?
A. They're the twin "command centers" of the cell.
B.They break down food and release energy.
C. They're examples of cell organelles.
D. They control how much oxygen enters a cell.
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Answer: The answer is C.
C. They're examples of cell organelles.
Explanation: I just looked up the question and I got that answer.
A hormone released in the small intestine that stimulates the pancreas to release digestive enzymes and the gallbladder to release bile is known as ________.
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A hormone released in the small intestine that stimulates the pancreas to release digestive enzymes and the gallbladder to release bile is known as Cholecystokinin.
Hormones play a huge position for your normal functioning. They manage heart rate, sleep cycles, sexual feature, and replica. Your metabolism, urge for food, growth and development, temper, strain, and body temperatures are all suffering from hormones.
Cholecystokinin is secreted by using cells of the upper small gut. Its secretion is stimulated by using the advent of hydrochloric acid, amino acids, or fatty acids into the belly or duodenum. Cholecystokinin stimulates the gallbladder to settlement and launch stored bile into the gut. Cholecystokinin (CCK) is produced more often than not inside the duodenum and the jejunum. The physiological roles of CCK are the stimulation of pancreatic secretion and the contraction of the gall-bladder. Secretin and CCK are peptide hormones secreted via the endocrine cells inside the gastrointestinal tract. Secretin stimulates the secretion of water and bicarbonate ions from the pancreas, while CCK stimulates the synthesis and secretion of bile juice and pancreatic enzymes.
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q4.13. scientists are investigating how different ecosystems store carbon as biomass, which could reduce or delay the impacts of climate change. they estimate that the net primary productivity (npp) of tundra (an arctic/alpine biome) is about 2.5 g c /m2/yr, and that this carbon has a residence time of 146 years. what is the size of the pool of carbon stored as biomass? (hint: review the formula for residence time.)
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The size of the pool of carbon stored as biomass is given by the term as 44 kilograms.
The material from recently lived creatures known as biomass is utilised to produce bioenergy. Examples include wood, wood byproducts, energy crops, agricultural waste, and organic waste from commercial and residential sources. The main biomass energy source nowadays is wood and wood waste.
We have been given values of NPP and residence time for deciduous needleleaf forests.
NPP = 0.275 kg C/m²/yr
Residence time = 160 years
And, we are asked to find the size of the pool of carbon stored as biomass. That is, we have to find biomass.
Using the given formula for residence time,
Residencetime = Biomass NPP
On rearranging the terms, we get
Biomass = Residence time × NPP
Substituting the above values,
Biomass = 160 yr × 0.275 kg C/m²/yr
Biomass = 44 kg C/m²
Therefore, 44 kilograms of carbon is stored as biomass per square metre of deciduous needleleaf forests.
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What factor would cause animals of the same species to begin competing with one
another?
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what are the characteristic of individual domain and kingdoms
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Answer:
Only one set of genes, usually in a single-stranded loop. Lack sexual reproduction. Several chemical types of cell walls. Lack organelles such as centrioles, eukaryotic flagella, cilia, mitochondria, and chloroplasts.
Explanation:
Which correctly list the three gases that each make up less than 1 percent of Earth’s atmosphere?
argon, water vapor, carbon dioxide
oxygen, argon, water vapor
nitrogen, oxygen, carbon dioxide
carbon dioxide, oxygen, argon
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The three gases that each make up less than 1 percent of Earth’s atmosphere are argon, water vapor, carbon dioxide.
What the gases present in the atmosphere?The atmosphere is a layer of gases above the earth's surface.
The atmosphere is composed mostly of nitrogen gas and oxygen gas.
Other gases present in the atmosphere include argon, water vapor, carbon dioxide which make up less than 1 percent of the atmosphere.
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Answer:
argon, water vapor, carbon dioxide.
Explanation:
The sequence of DNA below is part of a gene. How many amino acids are coded for by this segment?
5 ATTAGTCCGTAC 3
A. 2
B. 3
C. 4
D. 5
Answers
Answer:
b
Explanation: