race can be biologically determined because all genes are inherited together as a complete package.
(A) True
(B) False
Answers
Answer:
False.
Explanation:
While some genetic variations may be more prevalent in certain populations due to geographic isolation and other factors, race is not biologically determined because it is a social construct that varies across time and geography. The concept of race is based on cultural and historical factors, rather than solely on biology. Furthermore, genetic variation within racial categories is often greater than genetic variation between them. Therefore, it is not accurate to say that race can be biologically determined.
Related Questions
Why are printed versions of garden-path sentences more likely to puzzle you, compared to spoken versions of the same sentence?
Answers
Garden-path sentences are those that at first appear to be grammatically correct and make sense but later prove to be incorrect and confusing. Garden-path sentences cause confusion because they contain words that can be interpreted in more than one way.
The printed versions of garden-path sentences are more likely to puzzle people because, unlike spoken sentences, printed sentences do not provide visual cues such as facial expressions and intonation to help with understanding.Grammatical cues, such as punctuation, are used to indicate the structure of spoken sentences and to clarify any ambiguity that may arise. Because spoken language is more fluid and conversational, the speaker can use tone, inflection, and other verbal cues to direct the listener toward the correct interpretation of a sentence.Printed sentences, on the other hand, lack these cues, which makes them more difficult to interpret. When we read garden-path sentences, our brains try to make sense of the sentence by relying on the structure of the sentence and the meanings of the individual words used. If the structure of the sentence is not clear or if the words used have more than one meaning, it can cause confusion and make the sentence difficult to understand. For this reason, printed versions of garden-path sentences are more likely to puzzle people.
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if a couple that are both heterozygous carriers of the cystic fibrosis allele have children, the chance that both their first and their second child are carriers is 0.5 x 0.5, or 25%, as determined by the_______
Answers
If a couple that is both heterozygous carriers of the cystic fibrosis allele have children, the chance that both their first and second child will be carriers 1/4 or 25% is as determined by the crossing.
Monohybrid crossingThe cystic fibrosis condition is a recessive one. Let's assume that the allele for cystic fibrosis is a for the affected and A for the unaffected.
A couple that is both heterozygous would have Aa as their genotype:
Aa x Aa
AA Aa Aa aa
The genotypes and phenotypes of the offspring would be as follows:
AA = unaffected
Aa = unaffected
aa = affected
Chances of an offspring being affected = 1/4 or 25%
Chances of an offspring being affected = 3/4 or 75%
Chances of an offspring being a carrier = 1/2 or 50%
Now, let's calculated the probability.
Probability of the first child being a carrier = 1/2
The probability of the second child also being a carrier = 1/2
The probability of both their first and second child being carriers = 1/2 x 1/2
= 1/4 or 25%
Going by the analysis of the monohybrid cross, the probability of both their first and second child being carriers is 1/4 or 25%.
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Which is the correct answer? I genuinely have no clue
Answers
is 3 249 because I add all of them together and I got 249
Answer:
(3) 249 grams
Explanation:
"The triple beam balance is used to measure masses very precisely; the reading error is 0.05 gram. With the pan empty, move the three sliders on the three beams to their leftmost positions, so that the balance reads zero. To find the mass of the object on the pan, simply add the numbers from the three beams." (Credit: SMU Physics Website)
This is how a triple beam balance works, so using this we can solve to find the mass of the object on the pan of balance. So we can add the 3 values.
200+40+9=249 grams
Technically the reading error is 0.05 g so I'm assuming you would subtract 0.05 g of some sort, but since there is no such decimal answer in the options given, we can conclude the correct answer would be number 3, 249 grams.
Which statement best explains why the population stabilized and why?!
A population of chipmunks migrated to an environment
where they had little competition, Their population quickly
increased but eventually stabilized as shown in the graph.
A. Interbreeding between members of the population increased the mutation rate.
B. A predator species came to the area and occupied the same niche as the
chipmunks
C.
The population size became limited due to factors such as availability of food.
D. An increase in the chipmunk population caused an increase in the producer
population.
Answers
Answer: C. The population size became limited due to factors such as availability of food.
Explanation:
Out of all the choices, C is the most likely to happen since more often then not, food runs out because a species has too many members. C is an example of the environment’s carrying capacity limiting the chipmunk species.
Since we are not told if the chipmunk population is really small, interbreeding may not happen. Predators hunt prey, not eat fruits like chipmunks do (I’m assuming what chipmunks eat.) If there was a predator species that came in, they would hunt the chipmunks instead of competing for the same resources. D just doesn’t make much sense in my opinion because that wouldn’t limit the chipmunk population.
The population size became limited due to factors such as availability of food in the chipmunks. Thus the correct option is C.
Why the population size become limited?The population size become limited because of carrying capacity. It can be defined as a species' average population size in a particular habitat.
The chipmunks species population size is limited by environmental factors like adequate food, water, shelter, and mates. If these needs are not met, the population will decrease until the resource resile.
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T/F: As discussed in lecture, microarrays can be used to identify CNVs in an individual.
Answers
The answer is True. CNVs (Copy Number Variations) are a type of genetic variation that involve changes in the number of copies of a particular gene or segment of DNA.
Microarrays are a powerful tool for detecting CNVs. Microarrays consist of small probes that can hybridize to specific sequences in DNA. By measuring the intensity of the hybridization signal, researchers can determine the copy number of the corresponding DNA segment. In a microarray-based CNV analysis, DNA from an individual is hybridized to the microarray. The intensity of the signal at each probe location is measured, and compared to a reference sample. Differences in signal intensity between the two samples can indicate the presence of CNVs in the individual's genome.
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which is the most abundant plasma protein? changes in its concentration can significantly affect blood volume, pressure, and flow.
Answers
Albumin is the most abundant plasma protein, and changes in its concentration can significantly affect blood volume, pressure, and flow.
What is the function of Albumin?It keeps blood in arteries and veins and transports hormones, vitamins, and enzymes throughout the body. Albumin is produced in the liver and rapidly transported to circulation.
Low blood albumin levels can signal significant liver and renal issues. Hyperalbuminemia, or high amounts, might indicate dehydration, diarrhea, or other problems. Albumin levels are frequently measured by healthcare providers while diagnosing or treating illnesses.
It also describes the disorders that can be diagnosed when albumin levels are over normal. Albumin levels should be between 3.4 and 5.4 grams per deciliter (g/dL) or 34 and 54 grams per liter (g/L). There may be minor differences in the normal albumin level range depending on the testing institution and the samples or measurements used.
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What does the word "conversely" mean?
Answers
Answer:
introducing a statement or idea which reverses one that has just been made or referred to.
Explanation:
Answer: introducing a statement or idea which reverses one that has just been made or referred to.
Explanation: used the dictionary as source
the abnormal proliferation of cells in response to excessive hormonal stimulation is called
Answers
The abnormal proliferation of cells in response to excessive hormonal stimulation is called hyperplasia.
Hyperplasia refers to an increase in the number of cells in a tissue or organ due to an increased rate of cell division. It occurs when there is an imbalance between cell growth and cell death, leading to an excessive accumulation of cells. This can be a result of various factors, including hormonal imbalances, excessive hormonal stimulation, or increased growth factors.
In the context of hormonal stimulation, certain hormones can promote cell division and proliferation. If there is an overproduction or prolonged exposure to these hormones, it can lead to abnormal cell growth and hyperplasia. This can occur in various tissues or organs, such as the endometrium (endometrial hyperplasia) in the uterus, the prostate gland (benign prostatic hyperplasia), or the thyroid gland (thyroid hyperplasia).
Hyperplasia can be a physiological response to hormonal changes, such as during puberty or pregnancy. However, when it becomes excessive or uncontrolled, it can contribute to the development of abnormal growths or increase the risk of developing certain conditions, including tumors or cancer.
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What is the coastal plain? (1 point) A.a raised area in the foothills of the Appalachian Mountains
B.a series of mountains and mountain ridges that are related
C.a flat, lowland area on the coast of the Atlantic ocean
D.a tall, steep area where rivers form rapids and waterfalls
Answers
Answer:
c
Explanation:
I promise you
Coastal plain is a flat, lowland area on the coast of the Atlantic ocean.
What is a coastal plain?The coastal plain is a flat, lowland area that is located on the coast of the Atlantic ocean. It extends from the eastern edge of the Appalachian Mountains to the Atlantic coast and includes the eastern part of the United States and parts of Canada and South America.
The coastal plain is characterized by flat terrain, with a few hills and small mountains. It is an important region for agriculture, forestry, and other economic activities, as well as for biodiversity and ecological processes.
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using the technique shown below, meselson and stahl did an experiment wherethey grew cells in heavy medium for many generations, then after a single generation inlight medium, they observed a single band of intermediate weight after centrifugation.this experiment ruled out which model of dna replication?
Answers
The experiment conducted by Meselson and Stahl using the technique of density gradient centrifugation ruled out the conservative model of DNA replication.
In general , conservative model were correct, after one generation of growth in light medium, the DNA would have segregated into two distinct bands - one heavy and one light, with no intermediate band.
On the other hand Meselson and Stahl observed a single band of intermediate weight, indicating that the semi-conservative model was the correct model of DNA replication. In the semi-conservative model, each parental strand serves as a template for a new complementary strand, resulting in two daughter DNA molecules, each consisting of one parental strand and one newly synthesized strand.
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Fill in the blanks in column one. Match the letter with the phase, in column two. Interphase- The cell _______. DNA is _______________. Prophase- Chromosomes are _____________________. Metaphase- Sister chromatids ___________________. Anaphase- Sister chromatids ___________________. Telophase- New _______________ forms at each end. kk Cytokinesis- Cell ___________
Answers
Answer:
YO ISSAC ITS MADDIE
Explanation:
The weathered mountain would appear more jagged than a unweathered
mountain.
True or false ?
Answers
What is necessary for natural selection to occur?
(10 points)
A.
genetic variation
B.
no genetic variation
C.
no competition
D.
small population
Answers
Answer:
A genetic variation
Answer: b
Explanation:
Is reproduction an essential life process ?
Answers
the medical term for an abnormal sensation such as burning or tingling is:
Answers
The medical term for an abnormal sensation such as burning or tingling is paresthesia. Paresthesia can be caused by a variety of conditions, such as nerve damage, vitamin deficiencies, and even anxiety.
It is important to speak with a healthcare professional if experiencing paresthesia, as it could be a sign of a more serious underlying condition. Treatment for paresthesia depends on the underlying cause, and may involve medications, physical therapy, or lifestyle changes. It is crucial to seek medical attention promptly to address any abnormal sensations, as they can significantly impact quality of life and daily functioning.
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the serous membranes that surround the lungs are called the group of answer choices synovial membranes. pulmonary membranes. mucous membranes. pleural membranes. peritoneal membranes.
Answers
The serous membranes that surround the lungs are called The pleural membrane.
What is pleural membrane?The pleura membrane is a serous membrane that folds on itself to form a two-layered membranous pleural sac.The outer layer is known as the parietal pleura and attaches to the chest wall. The inner layer, called the visceral pleura, covers the lungs, blood vessels, nerves, and bronchi. The pleura membrane consists of two thin layers of tissue that protect and cushion the lungs. The lining (the visceral pleura) wraps around the lungs and adheres to the lungs so that it does not peel off. The outer layer forms the inside of the chest wall. The pleura membrane, like the pistons in the cylinders of an engine, secretes a lubricating fluid that allows them to move freely relative to each other during ventilation. Without this fluid, breathing can be very difficult and even painful.To learn more about pleural membrane from the given link :
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Please help due tonight.
Answers
Answer:C
Explanation:
Temperature increased over time!
1. Safety goggles must be worn at all times while working in
the laboratory, even when cleaning up after an
experiment.
2. The fire blanket should be used to smothes chemicals that
have caught fire.
3. Hot plates should be turned off whenever not in use,
unless they are going to be used again in a minute or two.
4. It is occasionally permissible to taste substances in the lab
to determine their identity.
5. The teacher should be notified of all chemical spills, unless
they are very minor.
Answers
Answer:
You should always wear lab goggles unless you are not doing expierments
Explanation:
I hope this helps i dont actually know ah tthe question is though
PLEASE QUICK!!!!
Complete the analogy
Cells : _______ :: Species : Population
Answers
Answer:
There are more but there is only one blank so,
The answer should be Organism (?)
Which is a component of the biosphere?
A.
permafrost
B.
mountains
C.
bacteria
D.
argon
Answers
Answer:The correct answer is option C. "Bacteria".
Explanation:he biosphere is the layer of the Earth where all living organisms live and interact with each other. The biosphere is a broad concept that includes all the regions of the Earth where an organism can live or where organic material can exist. Since bacteria is a living microorganism, it is considered a component of the biosphere.
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Name three adaptations that helped plants survive on land, and describe how each of them helped. (2 points)
Answers
Three adaptations that helped plants survive on land are cuticle, stomata, and roots. The cuticle protects plants from water loss and UV radiation. Stomata regulate gas exchange, and roots absorb water and nutrients.
When plants moved to land, they had to develop adaptations that would enable them to survive in an environment with fewer resources than they were accustomed to. Three adaptations that helped plants survive on land are discussed below:Cuticle: The cuticle is a waxy layer on the surface of the plant that protects it from water loss and desiccation. This layer is made up of cutin, a waterproof polymer, and is secreted by epidermal cells. The cuticle prevents water from evaporating from the surface of the plant, which is critical for survival in a dry environment. In addition, it also protects the plant from harmful ultraviolet radiation that can damage its DNA.Stomata: Stomata are tiny pores in the leaves and stems of plants that regulate gas exchange and water loss. They are surrounded by guard cells that regulate the opening and closing of the stomata. When there is a need to conserve water, the guard cells can close the stomata to prevent water from evaporating from the plant's surface. When there is a need for carbon dioxide, such as during photosynthesis, the guard cells can open the stomata to allow gas exchange.Roots: Roots are organs that anchor the plant to the ground and absorb water and nutrients from the soil. They allow plants to access water and nutrients that are necessary for survival. Furthermore, roots also help prevent soil erosion and provide support to the plant.Summary: Three adaptations that helped plants survive on land are cuticle, stomata, and roots. The cuticle is a waxy layer on the surface of the plant that prevents water loss and protects the plant from harmful ultraviolet radiation. Stomata are tiny pores that regulate gas exchange and water loss, and roots anchor the plant to the ground and absorb water and nutrients from the soil.For more questions on adaptations
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Why is carbon dioxide necessary for organs and tissues to continue to function
Answers
When blood sugar levels are too high, the pancreas helps to maintain balanced blood
sugar levels by releasing _______ This hormone helps the cells and liver take in extra sugar to lower the blood sugar levels back to their set point.
A. Glucogon
B. Oxygen
C. Glycogen
D. Insulin
Answers
Answer: My best guess would be Insulin
Explanation:
Insulin signals body cells to take up glucose from the blood, which returns blood glucose levels back to normal.
The diagram below best defends which one of the following claims?
A.Genetic variation among offspring may result from the exchange of genetic material between homologous chromosomes.
B.Genetic variation among offspring may result from the duplication of homologous chromosomes.
C. Genetic variation among offspring may result from the deletion of homologous chromosomes.
D.Genetic variation among offspring may result from the mutation of homologous chromosomes.
Answers
Answer:
The answer is A
Explanation:
there isn't much to explain
How can someone reduce CO2 from being introduced into the atmosphere?
Group of answer choices
a photosynthesizing
b carpooling
c burning fossil fuels
d respirating
Answers
Answer:
It's B=carpooling
Explanation:
mastering during a contraction, what part of the sarcomere does not shorten? i band. a band. h zone. the entire sarcomere.
Answers
During a contraction, the A band shortens, while the I band and the H zone lengthen.The sarcomere is the basic unit of contraction in a muscle.
It is made up of actin and myosin filaments, as well as several other proteins that aid in the contraction process. During a contraction, the sarcomere shortens, causing the muscle to contract. However, not all parts of the sarcomere shorten equally. In the sarcomere, the I band is the lightest-colored band and consists of only actin filaments. The H zone is the area in the center of the sarcomere that consists of only myosin filaments. Finally, the A band is the darkest-colored band in the sarcomere and consists of both actin and myosin filaments.
During a contraction, the A band shortens, while the I band and the H zone lengthen. Therefore, the correct answer to this question is that the I band does not shorten during a contraction.During a contraction, the A band shortens, while the I band and the H zone lengthen. Therefore, the correct answer to this question is that the I band does not shorten during a contraction.
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Fractals allow for the creation of more complex
organisms with
genetic code
Select one:
O a simpler
O b. redundant
O c. more complex
O d. tangled
Answers
Answer:
Simpler
Explanation:
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C. what impact does warming temperature have on the breeding season of insects such as mosquitoes d. what disease is increasing in frequency among children in Trinidad? e. what is the source of the di
Answers
C. The impact of warming temperatures on the breeding season of insects such as mosquitoes:
Warming temperatures can lead to an extended breeding season for insects like mosquitoes. As temperatures rise, mosquitoes can reproduce more quickly and their populations can increase. This can result in a higher number of mosquitoes, potentially leading to an increase in the transmission of mosquito-borne diseases.
D. The disease increasing in frequency among children in Trinidad:
One disease that has been reported to increase in frequency among children in Trinidad is asthma. This increase has been attributed to various factors such as air pollution, allergens, and lifestyle changes. It is essential to take preventive measures and manage the condition to ensure the well-being of affected children.
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A recombined allele of the lipase gene CEL and its pseudogene CELP confers susceptibility to chronic pancreatitis
Answers
Susceptibility to chronic pancreatitis has been linked to a recombined allele of the lipase gene CEL and its pseudogene CELP. Chronic pancreatitis is a persistent inflammation of the pancreas, which can result in symptoms such as abdominal pain, weight loss, and digestive issues.
The lipase gene CEL is responsible for encoding an enzyme called pancreatic lipase, which plays a crucial role in the digestion of dietary fats. The pseudogene CELP, on the other hand, is a non-functional copy of the lipase gene that does not produce any functional protein.
Recombination is a process that can occur during DNA replication, where genetic material from two different chromosomes can be exchanged. In the case of the lipase gene CEL and its pseudogene CELP, recombination events can result in the creation of a recombined allele.
The recombined allele of CEL and CELP can lead to the production of a modified lipase enzyme that may have altered function or stability. This modified lipase enzyme could potentially contribute to the development of chronic pancreatitis by disrupting normal digestive processes in the pancreas.
Therefore, susceptibility to chronic pancreatitis has been linked to a recombined allele of the lipase gene CEL and its pseudogene CELP.
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Check the organelles you think belong only in a
plant cell.
nucleus
chloroplasts
cell wall
Answers
Nucleus store dna
Chloroplasts conduct photosynthesis
Cell wall gives the plant structure