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Answer:
during meiosis, an event known as chromosomal crossing over sometimes occurs as a part of recombination. In this process, a region of one chromosome is exchanged for a region of another chromosome, thereby producing unique chromosomal combinations that further divide into haploid daughter cells.
Related Questions
Why was water used to dilute the substances instead of another chemical?
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A man presents to an ER with a large laceration sustained at a construction site 3 days before. The area around the laceration is erythematous, painful, and swollen. The erythema and swelling can be explained at a cellular level by all the following EXCEPTGroup of answer choicesmast cell degranulation and release of histamine.pro-inflammatory prostaglandins released.increased vasomotor tone (vasoconstriction) of the capillaries in the area.local reaction to acute phase reactants.
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The erythema and swelling can be explained at a cellular level by all except increased vasomotor tone (vasoconstriction) of the capillaries in the area. Erythema causes skin redness.
What is erythema?Erythema refers to skin redness due to injury and/or inflammation in a given region of the body.
Erythema may be due to different factors (e.g., environment, virus infection, sunburn, etc).
Conversely, vasoconstriction refers to constriction of the blood vessels, which is caused by their cells walls.
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Compared to unicellular algae, seaweeds _____.
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Answer:
Compared to unicellular algae, seaweeds are eukaryotic
Explanation:
What happens when a plant is losing too much water through transpiration? Question 12 options: Stomata open Stomata close Guard cells swell Respiration increases.
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Answer:
Stomata close
Explanation:
Numbness in the limbs, visual disturbances, muscle weakness, and urinary problems can all be symptoms of ____
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Answer:
Aside from numbness, weakness, restless leg syndrome and fatigue there are numerous symptoms associated with multiple sclerosis – some more common than others. Common symptoms of MS Walking difficulties – weakness, spasticity, loss of balance, sensory deficits and fatigue can all be contributing factors
Explanation:
Weighing over 150 tons, what type of whale is the largest animal on earth?.
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Which plant can survive in dry environments
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Answer:
Many plants like Cactus
In Mendel's cross for stem height, what contrasting traits did the pea plants in the P generation exhibit?
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Answer:
tall and dwarf pea plants
How are environment and development related to each other? Explain.
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Answer:
Population, environment, and development are interrelated to each other. Environment affects the life of living organisms and socio-economic development process. Development simply means progress or positive change.Explanation:
please mark me brrenlist ✨ ✨ ✨ ✨ ⭐Environment and development are related to each other because environmental factors influence the process of differentiation during growth.
How does the environment influence development?The environment influences development by altering a biological process known as cellular differentiation.
Differentiation is a process by which cells divide to develop specific cell types, which depends on differential gene expression patterns influenced by environmental conditions.During growth, environmental factors and genetic factors work together to shape developmental programs in an organism.
In conclusion, environment and development are related to each other because environmental factors influence the process of differentiation during development.
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The plasma membrane A. controls movement of substances in and out of the cytosol B. has both lipid and protein molecules C. is impermeable D. A and B are correct answers E. all of the above are correct answers
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Answer:
I believe it is E. All of the above
Explanation:
Place the nucleotides in the correct order to create a strand of mRNA.
TAC GAC TGG ATC
UAG CUG ACC AUG
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Answer:
UTC CTG UCC TUG
TTC GTC TGG TTC
Describe how plants determine the name of a biome.
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Answer:
Biomes are described by their vegetation because plants that grow in an area determine the other organisms that can live there. Plants in a particular biome have characteristics, specialized structures, or adaptations that allow the plants to survive in that biome. These adaptations include size, shape, and color.
where dose the extra electron in a negatively charged atom come from? pls help
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Answer:
A negatively charged atom is called an anion. This just means it has gained electrons (negative charges) and the atom has become negative instead of neutral since number of protons = number of electrons. Now it has 1 or more extra electrons, it is more negative than positive or neutral.
The ______ is a series of flattened sacs that sorts and packages materials into vesicles to be sent to the cell membrane. Multiple choice question.
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Answer: Golgi body/Golgi Apparatus
Explanation: Golgi body is responsible for packaging and shipping fats and proteins for export around the cell, or outside of the cell.
What is a sugar that cannot be extracted from plants.
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Answer:
LactoseExplanation:
Lactose is the only sugar that cannot be extracted from plants. It can only be found in milk, including human breast milk, and in some dairy products.
ii) Name one other thing that weight that affects how much energy you need each day.
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Hydrophilic molecules are able to cross the membrane through phospholipids. integral carbohydrates. peripheral proteins. extracellular glycoproteins. transmembrane proteins.
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Answer: Most likely transmembrane proteins
Explanation: Facilitate access in and out of cell
How many copies of dna are required to see bands on the electrophoresis gel.
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Two DIFFERENT seeds are planted in the same amount of soil, light, same type of pot, and receive the same amount of water. This experiment is probably testing the impact of ...
plants genetics
plants environment
Please help, thank you, god bless you all
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Answer: plants genetics :)
Explanation:
The environment is the same in this case and since it is two different plants then it must be plant genetics
Persons who eat 18-30 grams of ________ are less likely to suffer from constipation, diverticulosis, heart disease, obesity, diabetes mellitus, and certain cancers, compared to those who eat minimal amounts.
A) fiber
B) sugar substitutes
C) carbohydrate substitutes
D) carbon nutrients
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Answer:
A.) Fiber
Explanation:
Got from Quizlet...
Hope this Helps!
List FOUR factors that could affect the nutritional needs of a teenager
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Answer:
Age, physical activity, gender, and body weight
Explanation:
Suppose you have had kidney stones, and you want to see the outside of a kidney stone, in three dimensions, to see why it causes so much pain leaving the body. What microscope would be best suited to this purpose
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A scanning electron microscope (SEM) would be the best option for viewing a kidney stone's exterior in three dimensions.
Thus, SEMs use a focussed electron beam to scan the specimen in order to provide finely detailed three-dimensional images of the specimen's surface.
This enables high-resolution imaging of the kidney stone's exterior features, revealing details on its composition, structure, and surface characteristics.
For examining the microstructure of materials and biological samples, SEMs are extensively employed in a wide range of scientific and medical applications.
Thus, A scanning electron microscope (SEM) would be the best option for viewing a kidney stone's exterior in three dimensions.
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please help!! thank you
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Answer:
B
Explanation:
B is the only answer that can be proven from the data in the chart, the rest are speculation and not scientific answers.
Nutrient cycles can all be classified as
A. Abiotic Factors
B. Biotic Factors
C. Unnatural
D. Causal Factors
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Cellular respiration is the process that allows living organisms to extract energy from nutrients. What is the main difference between aerobic and anaerobic respiration?.
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Answer:
Cellular respiration that proceeds in the absence of oxygen is anaerobic respiration. Cellular respiration that proceeds in the presence of oxygen is aerobic respiration.
Which location is most likely to be a source
of fossils?
A Exposed mountaintop
B Desert
C Sedimentary rock layers
D Volcanic lava
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C. Sedimentary rock layers
Explanation:
This is because they are already in locations where sediment is likely to bury them and shelter them from scavengers and decay.
Why would a website for a for-profit organization most likely be an unreliable source for healthcare product information?
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Answer:
The website, which is for-profit, is most likely trying to sell something or earn money from advertising a product. So if the product they were trying to sell was a healthcare product, they would try to make it sound like it is the best thing you may ever purchase. The website may earn money off of the purchase.
The diagram below shows a cell going through a certain phase of mitosis.
Which of the following best describes what happens during the phase of mitosis shown in the diagram?
Choose 1 answer:
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Answer:
(Option A) Nuclear membranes begin to form around the cell’s genetic material.
Explanation:
In the given image, it can be predicted that the nuclear envelop reappears around the cell's genetic material. The correct option is A.
What is mitosis?Mitosis is the process whereby a cell replicates and then separates its chromosomes, creates two identical nuclei in prep work for cell division.
Mitosis is commonly accompanied by the equal division of the cell's contents into two daughter cells with identical genomes.
Mitosis occurs in the following stages:
The chromosomes shorten and thicken during prophase. Metaphase - Chromosomes align in the center of the cell. Chromatids separate at the centromere and move to opposite poles during anaphase. Telophase - The formation of two nuclei after nuclear envelopes reform around each chromosome group.The image is showing telophase of the cell division mitosis, which is indicating that the nuclear envelop is being formed around the genetic material of the cell.
Thus, the correct option is A.
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Proteins are polymers formed of structural units called.
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What type of neurons are found in the postcentral gyrus?.
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(i know this was like a week ago but.....)
Tertiary neurons have cell bodies in the thalamus and project to the postcentral gyrus of the parietal lobe, forming a sensory homunculus in the case of touch. Regarding posture, the tertiary neuron is located in the cerebellum.