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1. You are given a cell with four chromosomes. Explain what the cells look like in box A and in box B for a chromosomes in melosis. 2. How many chromosomes are in each of the gametes above? 3. When, during meiosis, do cells become haploid? Meiosis I or Meiosis II 4. Explain where in the diagram crossing over can occur. Time Att​

Split-brain patients have undergone a surgery that severs the corpus callosum, the band of fibers that connects the two hemispheres of the brain. This means that information received through the right senses (ear, eye, or side of the body) is processed by the left hemisphere and vice versa. The correct answer is c)Speak about info received exclusively in their left hemisphere.

Split-brain patients are unable to speak about information received exclusively through their left hemisphere because that information cannot be transferred to the language centers in the left hemisphere for verbal expression. However, they can perform tasks that involve integrating logical and spatial information because both hemispheres are still able to process information independently. They may also have difficulty coordinating movements between major and minor muscle groups, but this is not a specific symptom of split-brain syndrome.

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During crossing over in meiosis I, homologous chromosomes pair up and physically exchange segments of DNA through a process called recombination. The correct option is b.

This results in the exchange of genetic material between the paired chromosomes, which can lead to the creation of new combinations of alleles and the generation of genetic diversity in the offspring. Chromosomal damage may occur if the exchange of genetic material is not balanced or if there are errors in the process, but this is relatively rare. Overall, crossing over is a crucial mechanism for maintaining genetic diversity and ensuring proper chromosome segregation during meiosis.

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When working with the human body is when  an uncontrolled experiment is the best and is denoted as option D.

This is referred to as the type of experiment which is characterized by the participants which fall under the experimental group not being compared to other groups such as control group.

This is the type of study which involves all the participants being given a treatment and then they are observed during a certain period of time to see how effective it is and involves the human body and how certain symptoms or organs improve in this scenario.

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Samples with higher DNA content on the graph may indicate germ cells arrested in prophase I of meiosis.

Based on the graph shown, the sample(s) of DNA that might be from a germ cell arrested in prophase I of meiosis are those with a higher DNA content compared to the other cell types. In prophase I of meiosis, DNA replication has occurred, and the chromosomes have undergone synapsis and crossing over. This results in the formation of tetrads and increases the DNA content.

Therefore, the sample(s) showing a higher DNA content on the graph would likely correspond to germ cells arrested in prophase I. It is important to note that without specific information about the cell types and their DNA content, a definitive conclusion cannot be drawn solely based on the graph.

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Answer:

A

Explanation:

Answer:

Bottleneck effect

Explanation:

The Bottleneck effect is when species go through an event that reduces its population. The ones that survive have reduced genetic diversity compared to the original population since fewer individuals means there are fewer genotypes.

Innate forms of behavior: A) Unconditioned reflexes are the automatic response of an animal to a stimulus and their classification are autonomic reflexes, somatic reflexes, and complex reflexes, B) Instincts behaviors that are present in animals from birth. There are two types of instincts: fixed action patterns and innate releasing mechanisms. C) The motivations are internal factors that cause an animal to act in a certain way. There are three types of motivations: hunger, thirst, and sex,

Innate forms of behavior refer to natural behaviors that animals are born with, these behaviors are independent of any previous experience. There are three types of innate behaviors: unconditioned reflexes, instincts, and motivations. Unconditioned reflexes are the automatic response of an animal to a stimulus, these reflexes are classified into three categories: autonomic reflexes, somatic reflexes, and complex reflexes. Autonomic reflexes include heart rate and digestive system. Somatic reflexes involve skeletal muscles.

Complex reflexes are more complicated and involve a combination of autonomic and somatic reflexes. The significance of unconditioned reflexes is that they help animals react to stimuli in their environment, allowing them to survive and reproduce. Instincts are behaviors that are present in animals from birth. There are two types of instincts: fixed action patterns and innate releasing mechanisms. Fixed action patterns are behaviors that are unchangeable and are triggered by a specific stimulus. Innate releasing mechanisms are neural circuits that detect the presence of a specific stimulus and cause an animal to perform a specific behavior.

The phase origin of instinctive activity refers to the sequence of behaviors that make up a specific instinct. The significance of instincts is that they help animals survive and reproduce by providing them with the ability to perform specific behaviors without having to learn them. Motivations are internal factors that cause an animal to act in a certain way, there are three types of motivations: hunger, thirst, and sex. Hunger is the motivation to eat, thirst is the motivation to drink, and sex is the motivation to mate, the physiological mechanisms behind these motivations are regulated by the hypothalamus in the brain. So therefore these innate form of behavior form unconditioned reflexes, instincts, and motivations.

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Answer:

You would not find a cholinergic nicotinic receptor on parasympathetic target organs

Explanation:

   Hardness.

   Luster.

   Color.

   Streak.

   Specific Gravity.

Answer:

A. A mutation in a gene that decreases cell devision

Explanation:did the test

Cancer is a mutation in a gene that decreases cell division.

Cell division is the process by which a parent cell divides into two daughter cells. Cell division usually occurs as part of a larger cell cycle in which the cell grows and replicates its chromosome before dividing.

Moreover, these phases are prophase, prometaphase, metaphase, anaphase, and telophase. Cytokinesis is the final physical cell division that follows telophase, and is therefore sometimes considered a sixth phase of mitosis.

There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells.

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The symbiotic relationship between coral polyps and zooxanthellae is an example of mutualism. In this relationship, coral polyps, which are small marine animals, provide a protective habitat for zooxanthellae, which are single-celled algae. In return, the zooxanthellae provide the coral polyps with nutrients through a process called photosynthesis.

Coral polyps are tiny invertebrates that live in large colonies and build the hard, calcium carbonate structures that form coral reefs. Zooxanthellae are unicellular algae that live within the tissues of coral polyps. These algae photosynthesize and produce food, which is then shared with the coral polyps. In return, the coral polyps provide a protective environment and a steady supply of carbon dioxide for the algae to use during photosynthesis. This mutually beneficial relationship allows the coral polyps to grow and thrive, and the zooxanthellae to survive and reproduce. However, if the coral polyps become stressed due to environmental factors like pollution or rising sea temperatures, they may expel the zooxanthellae, causing the coral to become bleached and eventually die.

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Answer:

Option C

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Tina expects her baby to be able to recognize sensory input it was exposed to before birth and be ready to learn new information based on new sensory input.

Tina believes in John Locke's idea of tabula rasa, which suggests that human beings are born with a blank slate and all knowledge and behavior is acquired through experience. Based on this belief, Tina expects her baby to be able to show learning that occurred in the womb, such as being able to recognize sensory input that it was exposed to before birth.

However, she also expects her baby to be ready to learn new information based on new sensory input. This is because Locke's theory suggests that the mind is a blank slate that is ready to be filled with new knowledge. Therefore, Tina believes that her baby will not only be able to recognize familiar sensory input but also be able to learn and develop new skills and abilities as it grows and interacts with the world around it.

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The following is true regarding deductive reasoning but NOT inductive reasoning it results in a conclusion. Thus, option "D" is correct.

In deductive reasoning , the researcher begins with a theory and uses research to test the theory.

In the deductive approach, the theory must be tested through the collection of significant facts that prove the theory is true. In the inductive approach, the researcher does many observations and collects data. With this data, the researcher constructs a theory to explain these facts.

Thus, option "D" is correct since in In deductive reasoning , the researcher begins with a theory and uses research to test the theory.

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Answer: Reducing energy use to extend the time we can use fossil fuels. I hope this helps out!!! :)

Answer:

A

Explanation:

B: Preserving and Waiting to plenish is not the best word choice, the goal is to use less of them to save the enviorment instead of simply using less.

C and D... It is quite obvious that those two are wrong as "saving power bill" and "prepare for war are very much related to the overall topic.

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The alveoli in an older patient's lung tissue can become enlarged and less elastic, making it harder to take in sufficient oxygen is the effect of aging on the respiratory system.

The respiratory system is a system of organs responsible for respiration in animals. In humans, it is composed of the upper respiratory tract, the lungs, and the lower respiratory tract. The respiratory system is responsible for the exchange of gases, as well as the regulation of blood pH.

Aging has an effect on the respiratory system. As people age, their lung tissue undergoes structural and functional changes. The alveoli, or air sacs, in an older patient's lung tissue can become enlarged and less elastic, making it more difficult to take in sufficient oxygen. Additionally, the muscles responsible for breathing become weaker, making breathing more difficult as people age.

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Answer:

When a long-term environmental change occurs, certain individuals in a population will be better adapted for the new environment than others. These individuals will be more likely to survive and pass on their traits to their offspring. Over many generations, these favorable adaptations build up in a population. This may lead to speciation, which is the development of a new species.

Explanation:

Ron starts out in consumer equilibrium, consuming two goods, X and Y. Ron's income rises. At this point, we can definitely conclude that D) MUX/PX < MUY/PY, and then Ron decreases his consumption of X.

When Ron's income rises, there can be three possible scenarios which are: (a) Ron continues to consume the same amount of goods as before, (b) Ron continues to consume the same ratio of goods as before, (c) Ron changes the ratio of the goods he consumes. In this question, the given options include changes in consumption, hence option a and b can be eliminated.

If we see option C, it is incorrect because if MUX/PX < MUY/PY, Ron would prefer to buy good Y rather than X, therefore he will not increase the consumption of good X. Therefore, the correct answer is (D) MUX/PX < MUY/PY, and then Ron decreases his consumption of X. If the marginal utility of the good X is less than the marginal utility of good Y, then Ron would increase the consumption of Y and decrease the consumption of X, if his income rises. Therefore, option D MUX/PX < MUY/PY, and then Ron decreases his consumption of X, is correct.

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The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.

Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.

Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.

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In the biopharma case, only the last six years were taken into account while analyzing the question for the reason that during that period, there was a significant change in the company's operation and production processes. The year 2008 was taken as the reference year because it marked the beginning of a period where the company had started to diversify and enter new markets.

The company had begun to pursue collaborations and acquisitions to enhance its product range and expand its reach globally.The company had to shift its business strategy in the wake of growing competition from generics and the increasing complexity of drug development.

During this period, the company also focused on innovation and patenting new products to protect its market position and maintain growth in the long run.As a result, the analysis of the company's operations before 2008 would have been less relevant as it would not have reflected the changes in the company's strategy that took place over the last six years. Moreover, using the year 2008 as a reference year would help to evaluate the company's progress and performance over time and measure its growth rate.

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About 20,000–25,000 genes make up the human genome.

Genome of an organism refers to the total genetic makeup of that organism. It includes all the genes present in the organism.

Genes are the basic unit of inheritance found on (deoxyribonucleic acid DNA).

A project called Human Genome Project worked to determine the sequence of the human genome and its constituent genes and it was estimated that humans have between 20,000 and 25,000 genes.

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C: 20,000–25,000 genes

The plant hormone that triggers the withering of petals and stamens while promoting fruit ripening is ethylene.

Correct option is E.

Abscisic acid is a plant hormone primarily involved in controlling processes such as seed dormancy, leaf abscission, and inhibition of cell division. It is produced in growing leaves and buds and is also found in fruits and seeds, where it performs a ripening and ripening-related functions. When abscisic acid accumulates in the reproductive organs, it causes the petals and stamens to wither and fall off.

It also triggers the ripening of fruits and vegetables by activating specific enzymes in the cells. Abscisic acid is also involved in other important processes like controlling leaf water stress through the stomatal closure and promoting bud dormancy. It primarily works in opposition to auxin, a plant hormone that stimulates fruits and leaf abscission.

Correct option is E.

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To prolong the mating episode between the bull and an individual cow to increase the chances of inducing pregnancy, MacDonald can consider implementing the following strategies:

Separate the bull and cow from other cows: By isolating the bull and the specific cow from the rest of the herd, MacDonald can eliminate distractions and potential competition from other cows. This can help create a more focused environment for mating.

Control the timing of mating: Observing the cow's estrus cycle and determining the optimal timing for mating can be crucial. MacDonald should be aware of the cow's heat signs, such as mounting behavior, increased vocalization, and clear mucus discharge, indicating the cow is in heat. By accurately identifying the cow's heat period, he can time the mating to increase the likelihood of successful insemination.

Provide a suitable breeding area: Creating a comfortable and controlled environment for mating can contribute to prolonging the mating episode. MacDonald can designate a specific area where the bull and cow can mate without interference or disturbances from other animals or external factors.

Observe and intervene if necessary: MacDonald should closely monitor the mating process to ensure that mating is successful and to intervene if any complications arise. If the mating episode appears to be short or incomplete, he can facilitate and encourage a longer mating period by allowing them to continue mating or by gently guiding the bull and cow back into position if necessary.

By implementing these strategies, MacDonald can maximize the chances of a successful mating and increase the likelihood of inducing pregnancy in the individual cow with the bull.

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Answer:

changing i think

Explanation:

Answer:

Lag phase

Explanation:

The lag phase is the first phase of bacteria growth and it is refer to period when bacteria is first introduced to the culture and the time it started increasing. The lag phase is the phase bacteria adapt to growth conditions and start surviving in the environment. It is the time bacteria start growing and cannot divide. In this phase , RNA and enzymes are synthesized.

A mutation is a long-lasting, heritable alteration to the nucleotide sequence or to the mechanism by which such an alteration takes place in a gene or chromosome. Small-scale and large-scale mutations are the

Long stretches of DNA are transported by chromosomes, which are organelles located in the nucleus of cells. The substance containing genes is called DNA. The human body's foundation is made up of it. Proteins found on chromosomes also aid in the appropriate structure of DNA.

Of course, there are frequently corresponding health issues. When an X or Y chromosome is absent, a missing chromosome is the only one that can be tolerated. Approximately 1 in 2,500 females have this disorder, often known as Turner syndrome or XO. The most prevalent chromosomal abnormality is XO.

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Answer:

Explanation:

92