The first cloned cat, called Carbon Copy, was a calico, but she looked significantly different from her female parent. Why was this the case with this clone? a. The cloning was done poorly and it was likely that some contaminating cat DNA became part of Carbon Copy's genome. b. Fur color genes in cats is determined by differential acetylation patterns. c. Cloned animals have been found to have a higher frequency of transposon activation. d. X chromosome inactivation in the embryo is random and produces different patterns.
Answers
Calico was different from her female parent because X inactivation is random and produces different patterns. So the correct option is D.
What does cloning mean in animals?
Cloning is a scientific technique scientists used for making the exact genetic copies of living things. Cloning can be used for making copies of genes, cells, tissues, and even whole animals.
There are two ways of cloning animals. These are
Embryo twinning - An embryo is split in half. The halves are then placed in the uterus of the mother. Each half of the split embryo will develop into a new animal, Somatic cell nuclear transfer - DNA from a somatic cell of an animal is transferred into an egg cell that has had its nucleus removed.Therefore the correct option is D.
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Related Questions
HELP QUICk
By what process do cells move water across a membrane along a concentration gradient?
Active transport
Facilitated diffusion
Osmosis
Passive Transport
Answers
Answer:
C Osmosis
Explanation:
It is 100% right so yep
Answer:
diffusion but I'm not 100% sry
Which kingdom never has a cell wall? (1 point)
O Protista
O Plantae
O Monera
O Animalia
Answers
Answer:
What is a Protista
Explanation:
Protista. Protists are single-celled and usually move by cilia, flagella, or by amoeboid mechanisms. There is no wall cell.
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Miss Hawaii
Answer:
Your answer would be A Protista
Explanation:
These are single-celled and usually move by the cilia, flagella or by amoeboid mechanisms. For these, there is usually no cell wall, although some forms may have a cell wall.
One friend tep away from the rock. Doe the rock move? If o, in which direction doe it move?
Answers
A rock is pushed against with great force by two friends. The forces are equally powerful, but they are moving in opposite directions. The rock is supported on top by a bulky box. Because both sides exert equal forces, the rock does not move.
An influence that has the ability to alter an object's motion is known as a force. A force can alter the velocity or accelerate a mass-bearing object. A push or a pull is an obvious way to define force. Since a force has both magnitude and direction, it is a vector quantity.
A body's tendency to alter or change its condition as a result of an external cause is referred to as force. The body can also change its size, shape, and direction when force is applied. Some examples include kicking a ball, opening and closing doors, and mixing dough.
Thus, the rock does not move because equal forces are applied on both sides.
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(Complete question)
Two friends push with great force against a rock. The forces are equally strong but in opposite directions. A heavy box rests on top of the rock. Answer these questions about the motion of the rock. Assume that the rock is light enough for either friend to carry.
One friend steps away from the rock. Does the rock move? If so, in which direction does it move?
Assume Deb eats three 150 gram bags of potato chips each day. Use the USDA food database to calculate Deb’s calorie consumption and the number of grams of protein, carbohydrates (by difference), and the total of fat she eats.
Answers
The calories consumption of Deb is 2442.9 k cal, the grams of protein is 32.1, the carbohydrate is 241.1g, the fat is 160.7 g
How to solve for the calorie consumption of debThe USDA information for potato chips has been stated below
weight in grams = 28
The calorie is 152
The protein in grams is 2
carbohydrate is 15
total fat is 10
In 150 grams. the calorie consumption would be
150 / 28 * 152 * 3 = 2442.9 k cal
protein = 150 / 28 * 3 * 2 = 32.1
carbohydrate = 150 / 28 * 3 * 15 = 241.1 grams
total fat = 150 / 28 * 10 = 160.7
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All the cells of one organisms share the genome. However, during development, some cells develop into skin cells while others develop into muscle cells. How can the same genetic instructions result in two different cell types in the same organism? Thoroughly explain your answer.
Answers
Despite having the same genome, the cells in the body differentiate differently because the expression of genes is affected by the surrounding signals a cell receives. Thus, the expression of a gene may be turned on at one location and it may remain off at another location.
Genome is the sum total of all the genes present inside an organism. Genes are the basic hereditary factors that code for each and every characteristic inside the body. For example, the human genome is composed of 23 pairs of chromosomes.
Gene expression is the process of forming the functional forms of genes like the RNAs or proteins. This includes the various processes like replication, transcriptions and translation.
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Which of the following is (are) true for alleles?
They can be dominant or recessive.
They can be dominant or recessive.
They can represent alternative forms of a gene
They can represent alternative forms of a gene
They can be identical or different for any given gene in a somatic cell.
They can be identical or different for any given gene in a somatic cell.
Only A and B are correct.
Only A and B are correct.
A, B, and C are correct.
Answers
Answer:
The statement which is not true about gene therapy is, that somatic gene therapy only works on individuals.
Explanation:
The diversity of organisms ranges from simple prokaryotic cells to complex multicellular organisms A. True B. False
Answers
Answer: True
Explanation:
Biology Grade 8
Match correct terms/meaning given in column 'B' with their correct levels
given in column 'A' with Column 'B'
Column A
a.Cell
b.Plant
c.Tissue
d.nose
e.organelle
column B
a.Group of similar cells
b.Heart
c.Ova
d.Organ
e.Group of different cells
f.Nucleus
g.organism
Answers
Answer:
cell=ova
plant=organism
tissue=group of similar cells
nose=organ
organelle=nucleus
Hull fouling is a(n) _______ introduction of nonnative species.
a.
unintentional
b.
intentional
c.
unimportant
d.
land-based
Answers
Answer:
A
Explanation:
Hull fouling is an unintentional introduction of non-native species.
What do you mean by Species?Species may be defined as a group of organisms that can reproduce naturally with one another and create fertile offspring.
Hull fouling is the outcome of the accumulation of marine growth in the aquatic ecosystem. It indicates the arrival of any non-native species in the different habitats of the ecosystem. It is responsible for enhancing the level of biodiversity in a specific area.
Therefore, Hull fouling is an unintentional introduction of non-native species.
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Which is another way to write this line without using inverted syntax? A. I did not look for sorrow near. B. For sorrow near looked not I. C. I looked not for sorrow near. Upon the Burning of our House, July 10th 1666 by Anne Bradstreet In silent night when rest I took, For sorrow near I did not look, I waken'd was with thund'ring noise And piteous shrieks of dreadful voice. 5- That fearful sound of "Fire!" and "Fire!" Let no man know is my desire. I, starting up, the light did spy. And to my God my heart did cry To strengthen me in my Distress 10- And not to leave me succourless.*
Answers
Another way to write the line without using inverted syntax is "I did not look for sorrow near " (Option A).
Inverted syntax refers to a literary technique in which the normal order of words is reversed in order to create a particular effect or emphasis in a sentence. This technique was commonly used in Early Modern English poetry such as Anne Bradstreet's poem "Upon the Burning of Our House, July 10th 1666.
"The original line in Bradstreet's poem, "For sorrow near I did not look," uses inverted syntax by reversing the normal order of the subject "I" and the verb "did not look" in order to emphasize the phrase "for sorrow near." However, this line could also be written in standard word order as "I did not look for sorrow near," which retains the same meaning without using inverted syntax.
Thus, the correct option is A.
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Gametes from two plant species combine and produce a haploid zygote, and that zygote develops int haploid, hybrid plant that is sterile. Why is the hybrid plant sterile? Select all that apply. Select one or more: a. Meiosis cannot occur. b. The plant cannot grow. O c. The cells do not contain homologous chromosomes. d. The gametes produced cannot combine with the gametes of other plants. e. Mitosis cannot occur. Body characteristics affect the likelihood of fossilization. Which statement(s) about body characteristics is (are) true? Select all that apply. Select one or more: a. If an organism has a soft body, it is more likely to form a fossil because minerals can penetrate it more easily. b. A hard shell is not crushed easily and does not decompose quickly. c. If an organism has a soft body, it is less likely to be fossilized. Competition is central to the theory of natural selection. Why does competition occur? Select one: O a. Organisms are naturally antagonistic (hostile). O b. Females must choose among possible mates. c. Males must defend their territories. O d. Organisms typically produce too many offspring, and resources are limited.
Answers
Gametes from two plant species combine and produce a haploid zygote, and that zygote develops into a haploid, hybrid plant that is sterile. The hybrid plant is sterile because meiosis cannot occur and the cells do not contain homologous chromosomes. Hence, the correct options are a and c. If an organism has a soft body, it is less likely to be fossilized because the body breaks down before it can be preserved. Competition occurs because organisms typically produce too many offspring, and resources are limited. This means that not all of the offspring will be able to survive and reproduce. As a result, the offspring must compete for resources such as food, water, and mates. Hence, option d is the correct answer.
Gametes from two plant species combine and produce a haploid zygote, and that zygote develops into a haploid, hybrid plant that is sterile. The hybrid plant is sterile because meiosis cannot occur and the cells do not contain homologous chromosomes. Hence, the correct options are a and c.
Mitosis and the plant's ability to grow is not affected by sterility. Sterility, on the other hand, means that the plant cannot produce any reproductive cells (like gametes), making it unable to reproduce. Therefore, option b and option d are incorrect. Additionally, the hybrid plant's sterility is caused by an odd number of chromosomes, which results in the improper separation of chromosomes during meiosis.
Body characteristics affect the likelihood of fossilization. A hard shell is not easily crushed and decomposes slowly, which allows for better fossilization of the organism. As a result, option b is correct and options a and c are incorrect. If an organism has a hard shell, it is more likely to form a fossil.
If an organism has a soft body, it is less likely to be fossilized because the body breaks down before it can be preserved. Competition occurs because organisms typically produce too many offspring, and resources are limited. This means that not all of the offspring will be able to survive and reproduce. As a result, the offspring must compete for resources such as food, water, and mates. Hence, option d is the correct answer.
Females choosing among possible mates or males defending their territories are examples of intraspecific competition, which is a type of competition that occurs within a species. However, the question is asking why competition occurs in general, and the answer is that resources are limited and organisms produce too many offspring. Therefore, options a, b, and c are incorrect.
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Hydra is called a diploblastic animal .Why?
Answers
Can someone plz help me? :(
Answers
Answer:
D and B
Explanation:
remember that vaccines are not cures so they only help to strengthen your immune system so the only logical answers would be D and B
what is the best definition for conclusion
Answers
Answer:
the end or close; final part. the last main division of a discourse, usually containing a summing up of the points and a statement of opinion or decisions reached. ... final decision: The judge has reached his conclusion. a reasoned deduction or inference.
T/F: The pGLO plasmid does not carry the genes for arabinose catabolism.
Answers
The given statement "The pGLO plasmid does not carry the genes for arabinose catabolism" is false because the pGLO plasmid carries the genes for arabinose catabolism, which allows for the expression of green fluorescent protein when arabinose is present in the environment.
The pGLO plasmid is a genetically engineered plasmid commonly used in molecular biology to introduce foreign genes into bacteria. One of the genes present in the pGLO plasmid is the araC gene, which regulates the expression of the ara operon. The ara operon contains genes that encode proteins involved in the catabolism of arabinose, a sugar molecule.
When arabinose is present, it binds to the AraC protein, which in turn activates the expression of the ara operon, leading to the production of the necessary enzymes for arabinose catabolism. Therefore, the pGLO plasmid can be used to express foreign genes in the presence of arabinose, allowing for the selective expression of the desired genes. Hence, the given statement, "The pGLO plasmid does not carry the genes for arabinose catabolism" is false.
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the condition where thebronchi of the lungs are dilated outward is
Answers
The condition where the bronchi of the lungs are dilated outward is called bronchiectasis.
Bronchiectasis is a chronic and progressive respiratory disorder characterized by the permanent dilation and thickening of the bronchial walls. This condition is often the result of repeated lung infections, such as pneumonia or tuberculosis, that damage the bronchial walls and weaken their structure.
Bronchiectasis can lead to the accumulation of mucus and bacteria in the dilated bronchi, causing recurrent infections, coughing, and difficulty in clearing the airways. It can also result in the impaired clearance of mucus and debris from the lungs, leading to persistent inflammation and further lung damage. Treatment for bronchiectasis aims to manage symptoms, prevent complications, and improve lung function through medications, chest physiotherapy, and sometimes surgical intervention.
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If two eyes receive totally different images and the brain can't combine the two images, a condition called _____ results.
a. delayed processing
b. persistence of vision
c. binocular rivalry
d. visual masking
Answers
Binocular rivalry is a condition resulting from the combination of two different images received by the two eyes.
Here correct answer is C
When this occurs, the visual cortex of the brain is unable to combine the two images, leaving only one of the images to be perceived either through suppression or alternation. During binocular rivalry, an observer experiences a back-and-forth switch between the two dissimilar images.
The alternations between the two images can last anywhere from seconds to minutes depending on the strength of the two images. The factors influencing the alternations between the images include individual viewing habits, attention and emotional state. People who suffer from binocular rivalry often experience confusion, disorientation and eyestrain.
This condition can be treated with vision therapy which focuses on strengthening weak eye muscles and developing better visual habits. It can help reduce the amount of time and intensity of binocular rivalry instances.
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how does excess nitrogen lead to eutrophication of water bodies and what are the environmental consequences of this process?
Answers
list and explain the socio-economic factors that could be considered for career and study choices.
Answers
Answer: qsy yo no soy adivina
what is the advantage of using the standard plate count over other enumeration methods when determining the safety of a food or water sample? multiple choice it provides a count of only living bacteria which represent the safety concern. it allows for a count of bacteria that are not easy to culture. it takes very little time and materials. it counts all bacteria, living and dead, to provide an overall picture of organism density.
Answers
The standard plate count approach is better for assessing food and water safety since it counts only live bacteria. The classic plate count method includes inoculating a diluted sample onto an agar medium and letting the bacteria develop into visible colonies.
Each colony is a live, potentially harmful bacterium. Counting colonies estimates the sample's live bacteria. For sample safety, this approach counts live bacteria. Living bacteria can grow and reproduce, making them most likely to cause foodborne or waterborne infections. The standard plate count approach better estimates sample risk by counting only live bacteria.
Microscopic examination or DNA-based approaches may count living and dead bacteria or non-viable cells. These approaches may overestimate bacterial density and safety by not distinguishing viable from non-viable bacteria.
Thus, the standard plate count method targets living bacteria, making it easier to assess food or water sample safety.
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what are the two sites within a cell at which protein synthesis is generally thought to occur?
Answers
Cytoplasam and Rough Endoplasmic Reticulum are the two sites within a cell at which protein synthesis is generally thought to occur.
The two sites within a cell where protein synthesis is generally thought to occur are the cytoplasm and the rough endoplasmic reticulum (ER).
Cytoplasm: Protein synthesis occurs in the cytoplasm of both prokaryotic and eukaryotic cells. In prokaryotes, such as bacteria, the entire process of transcription and translation takes place in the cytoplasm since they lack a nucleus. In eukaryotes, while transcription occurs in the nucleus, the newly formed mRNA molecules are transported to the cytoplasm where they serve as templates for protein synthesis. Rough Endoplasmic Reticulum (ER): The rough ER is a membrane-bound organelle that is studded with ribosomes on its surface. These ribosomes synthesize proteins destined for secretion or for incorporation into the cell membrane or other organelles. As the ribosomes translate the mRNA, the growing polypeptide chains are translocated into the lumen of the rough ER.It's important to note that protein synthesis can also occur in other specialized organelles within the cell, such as mitochondria and chloroplasts, which have their own internal machinery for synthesizing specific proteins required for their functions.
In summary, protein synthesis occurs in the cytoplasm and on the rough endoplasmic reticulum, with the cytoplasm being the primary site for protein synthesis in most cells, and the rough ER specializing in the synthesis of proteins for secretion or membrane incorporation.
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Please help. In the male, each of four different nuclei created through meiosis will become a sperm true or false
Answers
Answer:
False
Explanation:
Because each nuclei has a different meiosis
You observe that your cat sprawls on the cool tile floor in the kitchen on hot summer days and curls up in front of a heating vent in the winter. This suggests that
A)Cats have trouble thermoregulating
B)Something is wrong with the cat's hypothalamus
C)Behavior can play a role in homeostasis
D)Cats know how to find the most comfortable place in a house.
Answers
Answer:
A. Cats have trouble thermoregulating
Explanation:
what has been the consequence of overfishing of sardines off the coast of namibia? group of answer choices phytoplankton populations drastically declined. nationwide, nambian citizens no longer have enough food. sulfide fogs irritate eyes and throats of coastal residents. sardines were replaced by invasive peruvian anchovies.
Answers
The consequence of the overfishing of sardines off the coast of Namibia has been the replacement of sardines by invasive Peruvian anchovies.
Overfishing of sardines off the coast of Namibia has led to the depletion of sardine populations, which were once a key source of food and livelihood for local communities. As sardines became scarce, they were replaced by invasive Peruvian anchovies, which have caused ecological imbalances and disrupted the food web. This has led to a decline in phytoplankton populations and changes in ocean chemistry, creating sulfide fogs that irritate the eyes and throats of coastal residents. In addition, the loss of sardines has had economic impacts, as the fishing industry has declined and nationwide, Namibian citizens no longer have access to enough food.
The consequences of overfishing in Namibia highlight the need for sustainable fishing practices to ensure the long-term health of marine ecosystems and coastal communities.
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To what level of organization does a paramecium belong to?
Answers
The level of organization that a paramecium belongs to is : Unicellular protozoa
What are paramecium?Paramecium are unicellular protozoa that belongs to the kingdom Protista. they are unicellular because they are comprised of a single cell organization. Paramecium are found in aquatic habitats such as freshwater and brackish waters.
Hence we can conclude that The level of organization that a paramecium belongs to is Unicellular.
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Carbon-12 and Carbon-14 are isotopes; it means that
they have no protons
they have a different number of neutrons
they have a different number of electrons
they have the same atomic mass
Answers
Your teacher wants you to perform an experiment that will demonstrate a chemical property.which experiment should you choose
Answers
Answer:
A. Measure the pH of different household chemicals
Explanation:
What is a similarity between the temperate climate zone and polar climate zone?
Both climate zones get less than 100 cm of precipitation in a year.
Both climate zones have average yearly temperature of around 25°C.
The polar and temperate climate zones have hot and dry summers.
They have hot summers and cold winters because they are close to the ocean.
Answers
Due to their proximity to the sea, they experience hot summers and cold winters.
Both the temperate and polar climate zone experience seasonal changes in temperatures due to their proximity to the ocean, resulting in hot summers and cold winters.The parts of Earth between the tropics and the poles are where the temperate zones are found. This area experiences what is known as a moderate climate. These locations' average annual temperatures show that none of their extremes burning hot nor bitterly cold occur frequently. Temp is moderate when it's temperate.The two temperate zones of the planet are made up of latitudes with mild climates. The pleasant climate, which often ranges from warmer to cooler places, is never at the top of the head here.
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Pre-Test
Active
TIME REMAININ
1
2
46:50
Chan Hee is inflating a basketball using an air pump. He notices that the pump gets warm as he uses it. What is a good
hypothesis that could lead to new experimentation?
If there is no air in a basketball, then it is hard to play the game.
A basketball that is inflated bounces better than one that is not inflated.
If air in a pump is squeezed more, then the air gets hotter because energy is added to it.
Basketball is more fun to play than baseball because you have to move a lot more.
Answers
Answer:
If air in a pump is squeezed more, then the air gets hotter because energy is added to it.
Explanation:
A good hypothesis in the given case is that inflating basketball is getting warmer, the more it is pumped, and as a result, it would possess more heat or more friction due to all the air being pumped into the basketball at a single time.
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Select characteristics of fungi from the list below.
acellular
-decomposer
-may be unicellular
-contains peptidoglycan
- may be multicellular
-have a cell wall
-contains DNA or RNA but not both
-can be pathogenic
Answers
Characteristics of fungi from the list provided include: decomposer, may be unicellular, may be multicellular, have a cell wall, and can be pathogenic.
Fungi are decomposers, playing a vital role in breaking down organic matter and recycling nutrients in ecosystems. While some fungi are unicellular, such as yeasts, others are multicellular, forming complex structures like mushrooms and molds. Fungi possess a cell wall composed of chitin, a rigid polysaccharide that provides structural support.
It is important to note that fungi do not contain peptidoglycan. Peptidoglycan is a characteristic component of bacterial cell walls, not fungal cell walls. Fungi have their own unique cell wall composition.
Fungi can also exhibit pathogenic behavior. Certain fungal species can cause infections in plants, animals, and humans. Examples include Candida species causing yeast infections in humans and Batrachochytrium dendrobatidis causing chytridiomycosis in amphibians.
Regarding the characteristic "contains DNA or RNA but not both," it is incorrect. Fungi, like other organisms, contain both DNA and RNA, which are essential components of their genetic material and gene expression processes.
In summary, the accurate characteristics of fungi from the provided list are decomposer, may be unicellular, may be multicellular, have a cell wall, and can be pathogenic.
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