Answers
Answer:
This is so because of GENE EXPRESSION
Please find the explanation below
Explanation:
All living cells including the bone cells and heart cells described in this question are made up of genetic material known as DNA. However, cells of the same organisms contain the exact same DNA, but they perform different functions due to GENE EXPRESSION.
The bone cells and heart cells for example perform different functions because certain genes in the bone cells are expressed while others are inhibited from being expressed. The same goes for the genes in heart cells. In other words, genes are not expressed at the same time, hence, leading to different functions or specialization of cells called CELL DIFFERENTIATION.
Related Questions
plz help meeeeeeeeee
Answers
Answer:single replacemt
Explanation:
The graph below shows the rate of alcoholic fermentation for yeast at different temperatures.
Rate of Fermentation Versus Temperature
100
Rate of
Fermentation
50
0
10
20 30
Temperature (°C)
40
Which statement could explain the data shown in the graph?
The molecules that regulate fermentation perform optimally at temperatures above 30 degrees Celsius.
The yeast begins releasing carbon dioxide at 30 degrees Celsius.
The yeast cannot survive above 30 degrees Celsius.
The mecdes that regulate fermentation perform optimally at temperatures below 10 degrees Celsius.
JESTOS
Answers
Answer:
The yeast cannot survive above 30 degrees Celsius.
Explanation:
Fermentation is a form of anaerobic respiration carried out by cells of certain organisms like yeast. The process yields products like carbon dioxide (CO2) and alcohol. Hence, the rate of fermentation can be measured by the amount of CO2 or alcohol produced.
According to this graph, which graph shows the rate of alcoholic fermentation for yeast at different temperatures, it can be observed that the rate of fermentation increased at 10°C and began to decrease at 30°C. This data portrays that yeast cannot survive above 30 degrees celsius (°C), hence, the rate of fermentation decreased.
Please help me with this to fill in the black correct answers. This is specifically anatomy and physiology science
1. The reproductive system has both endocrine and exocrine functions. The exocrine function is stimulated by this hormone produced in the anterior pituitary______ and produces this in the female _____.
2. The endocrine function is stimulated by this hormone in the anterior pituitary_____ and produces this in the female_____
3. The reproductive system has both endocrine and exocrine functions. The exocrine function is stimulated by this hormone produced in the anterior pituitary______ and produces this in the male____
4. The endocrine functions is stimulated by this hormone in the anterior pituitary _____ and produces this in the male_____
Answers
1. The exocrine function is stimulated by this hormone produced in the anterior pituitary: follicle-stimulating hormone (FSH), and produces ova (eggs) in the female.
2. The endocrine function is stimulated by this hormone in the anterior pituitary: luteinizing hormone (LH), and produces estrogen and progesterone in the female.
3. The exocrine function is stimulated by this hormone produced in the anterior pituitary: luteinizing hormone (LH), and produces sperm in the male.
4. The endocrine function is stimulated by this hormone in the anterior pituitary: follicle-stimulating hormone (FSH), and produces testosterone in the male.
1. The exocrine function of the reproductive system in females is stimulated by the hormone produced in the anterior pituitary called follicle-stimulating hormone (FSH), which promotes the production of ovarian follicles. The exocrine product in females refers to the release of eggs or oocytes from the ovaries during ovulation.
2. The endocrine function of the reproductive system in females is stimulated by the hormone luteinizing hormone (LH) produced in the anterior pituitary. LH triggers the release of estrogen and progesterone from the ovaries, which regulate the menstrual cycle, promote the development of the uterine lining, and prepare the body for pregnancy.
3. The exocrine function of the reproductive system in males is stimulated by the hormone produced in the anterior pituitary called luteinizing hormone (LH), which stimulates the production of testosterone in the testes. Testosterone is the primary male sex hormone and is responsible for the development of male reproductive organs and secondary sexual characteristics.
4. The endocrine function of the reproductive system in males is stimulated by the hormone follicle-stimulating hormone (FSH) produced in the anterior pituitary. FSH promotes the production of sperm cells (spermatogenesis) in the testes.
Overall, the reproductive system has both endocrine and exocrine functions, with the anterior pituitary gland playing a crucial role in regulating these functions through the production of specific hormones.
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g The indicated structures are the ________ that attach to papillary muscles on the floor of a ventricle.
Answers
The atrioventricular valves are located on the floor of the atria and empty into the ventricles. These valves are composed of leaflets attached to papillary muscles in the ventricle via thin cord-like structures called chordae tendineae.
What’s the answer?????
Answers
Sayid is in his senior year at college and has developed a pretty serious drinking habit. It is beginning to interfere with his classes. He determines that he needs to stop drinking alcohol, but he can’t do it on his own. How could Sayid go about asking for help? Suggest at least one health service that he might take advantage of. Can Sayid trust this service? Discuss who sponsors the service, what its purpose is, and how it works to help persons like Sayid overcome alcohol addiction.
Answers
Sayid should contact a qualified service provider for assistance with his alcoholism. Alcoholics Anonymous (AA), a support group for those battling with alcohol addiction, is one health program that he could benefit from.
What are the alcoholism criteria used by AA?a strong desire or urge to consume alcohol. failure to meet important duties at work, school, or home as a result of frequent drinking. using alcohol while being aware that it's harming your health, relationships, society, job, or finances.
Is AA the best option for treating alcoholism?AA excels. The majority of studies that evaluated abstinence discovered that AA performed noticeably better than other therapies or no interventions. It was discovered to be 60% more efficient in one investigation. No study discovered AA to be less efficient.
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How does variation influence natural selection?
Answers
Natural selection is the process through which populations of living organisms adapt and adjust. Individuals in a population are distinct in some ways making them naturally variable. This means that some individuals have traits better fitted to the environment than others.
Genetic variation refers to differences among the genomes of members of the same species. Genetic variation within a species can result from a few different sources. Gene variation that change gene activity or protein function can offer various traits in an organism. If a trait is advantageous and benefits the individual to endure and recreate, the genetic variation is more likely to be passed to the next generation.
Beginning your introduction to your research paper with a question is a great way to capture the reader's interest.
True
False
Answers
Answer:
True
Explanation:
Yes it is since it intrigues to reader to go deeper into your research paper. In addition, it also gives you good dialoge for what you write/say next.
Which of the following does not yield wool ? (a) yak (b) camel (c) goat (d) woolly dog
Answers
Explanation:Why is option A (yak) not correct?
The Himalayan region is home to the yak, a type of cattle. They have a reputation for having long, shaggy hair, which is used to create many different textiles, including wool. Yak wool is popular because it is soft, warm, and long-lasting and is frequently used to manufacture clothes and blankets.
Why is option B (camel) not correct?Camels are widely known for their capacity to survive in difficult desert situations, and their wool is a valuable resource in many parts of the world. Clothing, rugs, and other textiles are frequently made from camel wool because it is cosy and soft.
Why is option C (goat) not correct?Goats are another typical source of wool, especially in warmer locations where other types of wool are less common. Depending on the breed of goat and the quality of the wool, the term "mohair" or "cashmere" is frequently used to describe the wool from goats. Cashmere is appreciated for its warmth and luxurious feel, while mohair is renowned for its softness, sheen, and insulating qualities.
Why is Option D (woolly dog) correct?Despite the fact that there are numerous dog breeds with long, shaggy hair, none of them actually produce true wool. Dog hair is not often used to produce textiles since it is formed of a different kind of fibre than wool. Although some dog hair can be spun into yarn and used for crafts, it is not regarded as a true wool and is not widely utilised for the manufacturing of textiles.
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Quagga mussels, an invasive species of mollusk originally from
Russia, have been introduced to the lake after being carried in on
the hulls of boats. An assessment of the size of the quagga
mussel problem is needed, along with suggestions to curb their
population growth.
what field of science is this?
Answers
This is a problem in the field of ecology.
The problem of quagga mussels in the lake is an ecological issue that requires scientific assessment and management.
It falls under the discipline of ecology, which studies the relationships between organisms and their environment.
Ecologists investigate the impacts of invasive species on the ecosystem and devise strategies to control their spread and minimize their effects.
In this case, scientists will need to examine the size of the quagga mussel population, their distribution, and their ecological interactions with native species.
They will also need to recommend measures to prevent further introduction of quagga mussels and to manage their population growth, such as using chemical treatments or biological controls.
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6. Rebecca wants to see if her kitten prefers new chicken flavored treats over her
usual beef flavored treats. She puts 10 chicken treats in one bowl and 10 beef
flavored treats in another bowl. She sees which treats her kitten eats first and
repeats this experiment for 3 days,
a. Independent Variable =_
b. Dependent Variable =
c. Control =
Answers
Answer:
independent: treat flavor
dependent: which treat the kitten eats first
control: beef flavored treat
Explanation:
In Rebecca's experiment, the independent variable is the type of treat, the dependent variable is the kitten's preference of treat, and the control includes factors such as the number of treats in each bowl and the timing of the experiment.
Explanation:In this experiment, the independent variable is the type of treats given to the kitten, either chicken flavored or beef flavored. The dependent variable is the kitten's preference, determined by which bowl the kitten eats from first. The control could be factors like the number of treats in each bowl (which is kept constant at ten), the time of the experiment, the location of the bowls, etc, which are kept unchanged in the experiment to ensure that any change in the kitten's behavior can be attributed to the change in the variable being tested, not due to some extraneous factors.
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Question 5
2 pts
Directions: Choose the best word to fill in the blank in order to make this sentence accurate.
A _____ is a community of biotic factors in conjunction with abiotic factors interacting as a
A___ is a community of biotic factors in conjunction with abiotic factors interacting as a system.
Biome
Biosphere
Niche
Ecosystem
Answers
Answer:
ecosystem
Explanation:
Only one that makes sense
Y=2-x
Y=3x-1
Please help me with this qi
Answers
From the analysis of the 2 equations: X = 3/4 and Y = 5/4
Solving simultaneous equationsThe equations can be solved using subtracting one of the two equations from the other.
Let's label the two equations:
Y=3x-1 .................... equation 1
Y=2-X..................... equation 2
Equation 2 can be rearranged such that:
Y = -X+2
Subtracting equation 2 from 1:
Y=3x-1
Y = -X+2
0 = 4X -3
4X = 3
X = 3/4
Substitute X = 3/4 into any of equations 1 or 2 to determine Y.
Y = 3(3/4) - 1
= 9/4 - 1
= 5/4
Hence X = 3/4 and Y = 5/4
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2)
A homeowner lives adjacent to some wetlands, which contain standing water for much of the year. During the summer months, the
mosquitoes in the area are excessive and pose a nuisance to the homeowner. The homeowner decides to spray an insecticide on
the lawn and adjacent wetlands to eradicate the mosquitoes. The homeowner notices that after the application of the insecticide,
the number of mosquitoes is significantly reduced.
The following year, the number of mosquitoes increases in frequency as the summer months arrive and the temperatures get
warmer. The homeowner once again applies the same insecticide to the yard and adjacent wetland areas. However, this time, the
homeowner does not notice a reduction in the mosquito population after applying the chemical.
Evaluate the scenario above and select ALL statement below that apply to this case study.
A)
B)
The insecticide no longer has a chemical that can kill any mosquitoes after
the first year.
The application of the insecticide caused directional selection in the
mosquito population
There were some mosquitoes with innate genetic resistance to the
insecticide before it was sprayed the first time.
C)
D)
Natural selection selects for a phenotype in a population that has an
advantage under certain environmental pressure.
E)
The application of the insecticide caused individual mosquitoes to mutate,
which made them resistance to the chemical.
Answers
Answer: B, C, and D
Explanation:
The application of the insecticide caused directional selection in the mosquito population. There were some mosquitoes with innate genetic resistance to the insecticide before it was sprayed the first time. Natural selection selects for a phenotype in a population that has an advantage under certain environmental pressure. The correct options are B, C, and D.
What is case study?A case study is defined as 'an intensive study of a person, a group of people, or a unit with the goal of generalizing across several units'.
A case study has also been defined as a focused, systematic investigation of a single person, group, or community.
The insecticide application resulted in directional selection in the mosquito population. Before the insecticide was sprayed for the first time, some mosquitos developed innate genetic resistance to it.
Natural selection favors phenotypes in a population that have an advantage under certain environmental conditions.
Thus, B, C, and D are correct options.
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4. Do you think that adding more enzymes to a solution would increase the rate of reaction? Why or why not?
Answers
Answer:
By increasing the enzyme concentration, the maximum reaction rate greatly increases. Conclusions: The rate of a chemical reaction increases as the substrate concentration increases. Enzymes can greatly speed up the rate of a reaction.
1. Which of the following is not evidence of an earthquake?
Cracks in the sidewalk
Bumps in the road
Rumbles and shakes
Precipitation
Answers
Answer:
precipitation would be the answer
The number of births that occur in relation to the overall population per year is called the __________.
A)
birth rate
B)
population distribution
C)
growth rate
D)
age structure
E)
gene pool
Answers
What is the difference in mechanism between protein entry into ER and integration of transmembrane proteins into ER membrane?
Answers
Protein entry into the ER lumen is facilitated by signal sequences present in the proteins whereas transmembrane protein integration into the ER membrane requires transmembrane domains.
Protein entry into the ER lumen (or insertion into the ER membrane) and integration of transmembrane proteins into the ER membrane differ in their mechanism. The following is a description of the differences between these two mechanisms.
Protein entry into the ER lumen is facilitated by signal sequences present in the proteins. Signal sequences, or signal peptides, are short stretches of amino acids located at the N-terminal end of proteins that are destined for the ER lumen or secreted outside the cell. Signal sequences interact with signal recognition particles (SRP), which then transport the protein to the ER membrane. Afterward, the SRP binds to the SRP receptor, and the protein is translocated into the ER lumen. The nascent protein is then translated, modified, and folded in the ER lumen.In contrast to protein entry into the ER lumen, transmembrane protein integration into the ER membrane requires transmembrane domains.
Transmembrane domains are composed of hydrophobic amino acids that cross the hydrophobic lipid bilayer of the membrane. Transmembrane proteins are inserted into the ER membrane through two mechanisms: The first mechanism is the signal anchor sequence, where a stop-transfer anchor sequence retains the protein in the membrane. The second mechanism is the signal peptide cleavage, where signal peptides in the protein cleave after they enter the ER lumen, and the transmembrane domain remains in the membrane. The protein is then translated and folded in the membrane.
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A botanist observes within a wild population of sunflowers 34 tall plants, 12 medium-height plants, and 54 short plants. Sunflower height follows incomplete dominance, where tall (H) is dominant to short (h). We can calculate that the allele frequencies are:
Answers
Answer:
f(H) = 0.4f(h) = 0.6Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
the five inch end of a dna molecule is considered the blank where as the 3 inch end of the dna molecule is considered blank
Answers
The 5-inch end of a DNA molecule is considered the "5' end," whereas the 3-inch end of the DNA molecule is considered the "3' end."
In DNA, the numbering convention of the carbon atoms in the sugar component of the nucleotides is used to designate the ends of the molecule. The carbon atoms in the sugar ring are labeled with prime (') symbols.
The 5' end refers to the carbon atom in the sugar ring of the DNA nucleotide that is bonded to a phosphate group. It is called the 5' end because it is attached to the 5th carbon in the sugar ring.
The 3' end, on the other hand, refers to the carbon atom in the sugar ring of the DNA nucleotide that is bonded to a hydroxyl (OH) group. It is called the 3' end because it is attached to the 3rd carbon in the sugar ring.
The distinction between the 5' and 3' ends of DNA is important because it determines the directionality of the DNA molecule during processes such as replication and transcription. DNA is synthesized in a 5' to 3' direction, with new nucleotides being added to the 3' end of the growing DNA strand.
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The complete question is :
The five inch end of a dna molecule is considered the ___________ where as the 3 inch end of the dna molecule is considered ___________.
Select the five assumptions of the Hardy-Weinberg equilibrium that must be met to keep allele frequencies from changing.
No natural selection occurs.
Mating is random.
The population is large.
No mutations occur.
There is no migration into or out of the population.
Answers
According to the Hardy-Weinberg equilibrium, if no unfavorable influences exist, genetic variation in a population will remain stable from one generation to the next.
What is Hardy Weinberg equilibrium?The law predicts that genotype and allele frequencies will remain constant because they are in equilibrium when mating is random in a large population with no disruptive factors.
Many factors, including mutations, natural selection, nonrandom mating, genetic drift, and gene flow, have the potential to upset the Hardy-Weinberg equilibrium. For instance, mutations introduce new alleles into a population, disrupting the balance of allele frequencies.
Similar to nonrandom mating, natural selection alters gene frequencies, which upsets the Hardy-Weinberg equilibrium. This happens because specific alleles influence or impair reproductive success.
Therefore, According to the Hardy-Weinberg equilibrium, if no unfavorable influences exist, genetic variation in a population will remain stable from one generation to the next.
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Compare and Contrast the simple electric motor and the generator using a vent diagram below
Answers
Answer:
compare
Explanation:
homie we can’t see the vent diagram because there is no pic
What corrective options are available to the surgical team members when a breach in sterile technique
Answers
When a breach in sterile technique is noticed, the surgical team members have several corrective options that they can consider to minimize any negative consequences. These corrective options include:
Disclosing the breach: If the breach is minor, it is important that the surgical team members disclose the breach to everyone involved in the procedure as soon as possible. This will allow everyone to take appropriate action to prevent any infections from occurring.
Correcting the breach: Once the breach has been disclosed, the surgical team members should work to correct the breach as soon as possible. For example, if a surgical instrument was dropped on the floor, it should be removed from the surgical field and replaced with a sterile instrument to minimize the risk of infection.
Restarting the procedure: In some cases, it may be necessary to restart the entire procedure if the breach is too significant to be corrected. While this may be time-consuming and may delay the procedure, it is important to prioritize the safety of the patient above all else.
Documenting the breach: Finally, the surgical team members should document the breach in detail. This documentation should include the type of breach that occurred, when it occurred, and what corrective actions were taken to address the breach.
This information can be used to help prevent future breaches and to identify areas for improvement in the surgical process.
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Genetic and environmental factors affect which traits are passed on from parent to offspring over generations and how they are passed on. Favorable traits for a given environment are passed on from parent to offspring. Unfavorable traits are selected against and inherited less frequently over time because they do not promote survival and reproduction.
Answers
Answer:
What is the question?
Explanation:
HELP PLEASE!!
Why does a cell divide into
two smaller daughter cells
when it becomes too large?
A. to have more available cell membrane to
transfer substances such as waste in and
out of the cells
B. to give DNA in the cell more room to
grow
C. because the organism needs more cells
to grow
Answers
Answer:
The answer is A
to have more available cell membrane to transfer subtances such as waste in and out of the cells
how can u find the mass of an object that cannot be placed onto a triple beam balance
Answers
Answer:
The boldface numbers on this beam are grams and the tick marks between the boldface numbers indicate tenths of grams. To find the mass of the object on the pan, simple add the numbers from the three beams. As with a ruler, it is possible to read the front scale to the nearest half tick mark.
Addition to a cell membrane plant cell also have what that serve to provide strength and support to cell
Answers
Answer:
The structure found in plant cells, but not animal cells, that carries out the process of photosynthesis is . ... are structures that contain digestive enzymes. cell wall. in addition to a cell membrane, plant cells also have a that serves to provide strength and support to the cell.
Explanation:
Which of the following does not contribute to the formation of the Mid-
Atlantic Ridge?
A. One tectonic plate moving under another
B. Lava moving upward through the Earth's crust
C. Volcanoes forming a chain of underwater mountains
D. Separation of plates at a divergent boundary
Answers
Answer:
I think the answer to your question is A
the scatterplot shows a correlation between height and weight for adults participating in a study. Which graph shows the line of best fit for the data set
Answers
A scatter plot is used to display a correlation between two continuous variables, as shown in the given problem. A line of best fit is a straight line that passes through most of the data points in a scatter plot, indicating the direction and strength of the relationship between the two variables.
In order to determine the line of best fit in a scatter plot, one needs to draw a line that best represents the overall pattern of the data points. To illustrate, one might consider the following three graphs:In the first graph, the line of best fit is relatively flat, indicating a weak correlation between the two variables. This means that weight does not increase or decrease in direct proportion to height, but rather varies more independently.In the second graph, the line of best fit is more diagonal, indicating a stronger correlation between height and weight.
This means that as height increases, weight also tends to increase, although the relationship is not necessarily linear.In the third graph, the line of best fit is steep, indicating a very strong correlation between the two variables. This means that as height increases, weight tends to increase at a faster rate.
The answer to the given question would depend on the slope of the line of best fit in the scatter plot provided. However, it is not possible to determine this without the scatter plot itself. In this case, the line of best fit would be a good predictor of weight given height.
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Answer: it’s b
Explanation: the one starting from 130 and going up
6. Bug Protection
(1) Almost all insects will fee if threatened. (2) Many insects, however, have more specialized means of defense. (3)
Roaches and stinkbugs, for example, secrete foul-smelling chemicals that deter aggressors. (4) Bees, wasps, and some
ants have poisonous stings that can kill smaller predators and cause pain for larger ones. (5) The larvae of some insects
have hairs filled with poison. (6) If a predator eats one of these larvae, it may suffer a toxic reaction. (7) Insects that
defend themselves by unpleasant or dangerous chemicals gain two advantages. (8) On one hand, they often deter a
predator from eating them. (9) On the other hand, predators learn not to bother them in the first place.
(10) Other insects gain protection by mimicry, or similarity of appearance. (11) In one kind of mimicry, insects with similar
defense mechanisms look alike, and predators leam to avoid them all. (12) Bees and wasps mimic each other in this
way. (13) In another kind of mimicry, insects with no defenses of their own mimic the appearance of stinging or bad-
tasting insects (14) Predators avoid the mimic as well as the insect with the unpleasant taste or sting (15) For example,
syrphid flies look like bees but do not sting.
(16) Another kind of defense based on appearance is camouflage, or the ability to blend into surroundings. (17) Many
kinds of insects and animals have distinctive color markings that make them difficult to see. (18) Predators have trouble
locating prey that looks like its background. (19) An insect is more likely to survive and produce offspring if it is
camouflaged than if it is not.
Answers
Insects employ various strategies to protect themselves from predators. They may use chemical defenses, such as secreting foul-smelling chemicals or possessing poisonous stings. Additionally, some insect larvae have poisonous hairs that can cause toxic reactions in predators. Insects that rely on unpleasant or dangerous chemicals gain two advantages: deterring predators from eating them and teaching predators to avoid them altogether.
The passage describes various defense mechanisms employed by insects to protect themselves from predators. Insects have evolved a range of strategies to deter or escape from threats.
These strategies include chemical defenses, mimicry, and camouflage. Chemical defenses involve the secretion of foul-smelling chemicals or the possession of poisonous stings, which discourage predators from attacking or eating them.
Mimicry involves insects with similar defense mechanisms resembling each other, leading predators to avoid them altogether. Some insects mimic the appearance of other species with unpleasant tastes or stings, deterring predators.
Camouflage is another defense mechanism, enabling insects to blend into their surroundings and make it difficult for predators to spot them. These defense mechanisms increase the chances of survival and successful reproduction for insects, as they are better equipped to defend themselves against potential threats.
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