A terminally differential cell is also called a specialized property. They are a result of the specific issues of gene expression and association.
The death of these cells leads to the proliferation of cells that are less differentiated. They are called stem cells, the stem cells have the potential to develop into many cells. They are not specialized hence they cannot do many functions. Sources of stem cells are the brain, bone marrow, skin, and liver.Hence they are stocks of stem cells.
Learn more about the differentiated cell in an adult body that dies.
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If laurie has albinism but neither of her parents exhibits this inherited condition, the trait must be __________ and laurie's genotype for this trait is _________.
Final answer:
Laurie has albinism, a recessive trait, and therefore her genotype is aa. Her parents, who do not have albinism, must be carriers of the trait with a heterozygous genotype of Aa.
Explanation:
If Laurie has albinism but neither of her parents exhibits this inherited condition, the trait must be recessive and Laurie's genotype for this trait is aa.
Albinism is a condition characterized by a lack of melanin pigment in the skin, hair, and eyes. Individuals who express albinism must have two copies of the recessive allele, which means they are homozygous for the trait (aa). Since Laurie's parents do not exhibit albinism, they must each carry one recessive allele and one dominant allele, making them heterozygous (Aa). Therefore, each of Laurie's parents contributed a recessive allele for albinism to Laurie, resulting in her aa genotype.
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Using the RAP strategy, give an example of a forest community (list 1 or several parts that makes up the community)
The figures in the deer hunt wall painting from çatal höyük are rendered in _____, which describes what a human body is, as opposed to its appearance from a specific viewpoint. the composite view
Final answer:
The figures in the deer hunt wall painting from Çatal Höyük are rendered in a composite view, showcasing different parts of the body in both profile and frontal views to enhance detail and suggest dynamism.
Explanation:
The figures in the deer hunt wall painting from Çatal Höyük are rendered in what is known as the composite view. This artistic convention combines different viewpoints within a single figure. In a composite view, portions of the human body are shown in profile while others are in frontal view, which allows for greater detail that would not be visible in a strict profile. For instance, the hips and shoulders might be turned towards the viewer, creating a more dynamic representation of the human body. This stance often signifies power and command, especially for depictions of warriors and leaders, contributing to the artwork's overall impact.
In the paintings, artists employed this technique to turn the body in such a way that viewers could see a twisted torso that suggests liveliness and movement, despite the static nature of the figures. The final touch in achieving the composite view is often the addition of a frontal eye on the profiled face, enhancing the character's expressiveness and presence.
What skills do you think are necessary to perform a laparoscopic procedure?
Skills necessary for laparoscopic procedures include technical skills, anatomy knowledge, problem-solving, teamwork, and computer and technological literacy.
Explanation:To perform a laparoscopic procedure, certain skills are necessary.
Technical Skills:
These encompass the ability to manipulate laparoscopic devices, maintain spatial orientation in a two-dimensional display, and adeptness with suturing and knot tying while utilizing long-shafted instruments in limited space.
Anatomy Knowledge:Knowing the anatomy of the area being operated on is crucial. This knowledge enables the surgeon to avoid vital structures, reducing the risk of inadvertent injury.
Problem-solving Skills:Surgeons need to quickly address any complications or unexpected findings.
Teamwork:Effective communication within the surgical team, which may include the surgeon, nurse, and anesthesia professional, is key to the patient's safety and successful recovery.
Computer and Technological Literacy:The use of a duodenoscope or similar endoscope requires familiarity with the operation of advanced medical technology.
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Ddt was banned from use as a pesticide in the united states because
a. it caused the eggs of fish-eating birds to become thin and fragile.
b. it was washed by rain into streams, rivers, lakes, and ponds.
c. it was ingested by fish and other aquatic animals.
d. all of the above. please select the best answer from the choices provided a b c d
which form of cell transport allows small molecules to move from an aerate higher concentration to lower concentration without energy being required from the cell?
Hey there!!
In general, there are two types of cell transports.
Passive transport Active transportPassive:
In this type of cell transport, the process does not require energy. There are two types. Simple diffusion and osmosis.
Diffusion is the travel of solutes from a region of higher concentration of solute to a lower concentration of solutes. This takes place with smaller molecules.Diffusion could be further divided as facilitated diffusion. This is the same thing but uses the channel protein. This type uses the protein because, the solutes would be too big to enter the phospholipid-bilayer. Glucose uses the facilitated diffusion.
Osmosis is the travel of water from higher concentration(hypotonic) to a lower concentration(hypertonic).
Active:
This type of transport uses energy to pass through. The molecules travel through the channel protein too but the only difference between active and facilitated diffusion is that active transport uses energy. For example the sodium-potassium pump. Potassium comes in and sodium moves out with the help of ATP(energy)(Adinosine-triphosphate)
Now, looking at the question.
The question states small molecules(not water)
Hence, the answer would be Diffusion.
Hope my answer helps!
Jenny has just learned that she is 4 weeks pregnant (first trimester). she has been looking forward to all the ice cream, chips, and cakes she has seen women on tv and in the movies eating when they are pregnant. what is the most appropriate advice for jenny?
I would tell Jenny that she should only eat what she crazes and make sure that Jenny is still eating important vitamins and protein... Otherwise I would tell her you go GIRL!!
_____ is used to describe a situation in which a gene's expression pattern is dependent upon the parent from whom it was inherited.
Which term means blue discoloration of the skin caused by a lack of adequate oxygen?
which enzyme do scientists use to bond a new gene to plasmid DNA?
a. dna polymerase
b. dna ligase
c. rna polymerase
d. restriction endonuclease
Answer:
DNA ligase
Explanation:
gradpoint
The portion of the stomach that is superior to the junction between the stomach and the esophagus is the
The region of the stomach located above the junction with the esophagus is the fundus, which is situated above and to the left of the cardia.
The portion of the stomach that is superior to the junction between the stomach and the esophagus is known as the fundus. The fundus is located above and to the left of the cardia, where the esophagus connects to the stomach. This dome-shaped region is situated inferior to the diaphragm, emphasizing its upper position within the stomach's anatomical structure. Understanding the fundus's location and function provides insight into the complex workings of the digestive system and the stomach's various regions, including the cardia, body, and pylorus.
Early changes in the brain during exposure to addictive drugs involves the insertion of ________ receptors into neuron membranes located within the ________.
When you cross two heterozygotes (aa), the offspring will most likely be __________?
Crossing two heterozygotes generally results in a 3:1 phenotypic ratio for offspring if considering one gene with a simple dominant-recessive interaction. However, when gene interactions like enhancers are involved, the ratios can differ based on the specific genetic relationship.
When you cross two heterozygotes with the genotype aa, it is assumed that 'a' represents a recessive allele. However, if the context of this question relates to a dihybrid cross with genotypes involving two different genes, for example, AaBb x AaBb, the offspring phenotypic ratio would typically be 9:3:3:1 for a dihybrid cross involving two pairs of heterozygous genes with simple dominant-recessive interactions.
In your specific case, with an enhancer situation where genotype aa is an enhancer of gg, the phenotypic ratios among the progeny would differ from simple Mendelian ratios and would depend on the specific interaction between these genes. For two heterozygous parents with the genotype Bb, a Punnett square reveals that the probable phenotypic ratio for the offspring would be about 3:1, with approximately 75% displaying the dominant phenotype and 25% displaying the recessive.
Why might the knoblike proteins on the outer surface of hiv hold a key to the production of a vaccine against aids?
This is because the GP120 protein of the HIV virus that forms the ‘knob’ is essential for the infection of CD4 cells of the immune system by the virus. The glycoprotein is, therefore, a good target for vaccines especially since the molecule is highly conserved because most mutations in the region could be highly deleterious to the virus.
Which feature would you find on an echinoderm
Echinoderms possess a calcareous endoskeleton of ossicles, show pentaradial symmetry, and have a unique water vascular system along with tube feet. Some even possess 'Aristotle's lantern', a complex feeding structure. Sea stars have a peculiar feature of having two stomachs, one of which can be everted for digestion.
Explanation:Echinoderms, a phylum containing marine organisms such as sea stars and sea urchins, possess multiple distinguishing features. An endoskeleton composed of ossicles or body plates forms the base of their structure, often accompanied by protective epidermal spines. They display a unique kind of symmetry, termed pentaradial symmetry, with body parts arranged in multiples of five around a central axis.
Markedly, a unique feature that can be found in an echinoderm is the water vascular system, a network of fluid-filled canals that function in locomotion, nourishment, gas exchange and also sensatory processes. Feeding techniques across echinoderms range from predation to suspension feeding. Furthermore, they also possess specialized cells known as podocytes for the purpose of osmoregulation.
Another characteristic element in echinoderms is the presence of tube feet, which assist in locomotion, feeding, attaching some species to the substratum, and chemical sensations. Certain echinoderms such as the sea stars and sea urchins also wield an additional tool known as Aristotle's lantern, a complex multi-part feeding structure. In case of sea stars, additional features include two stomachs, one of which they can evert through their mouths to secrete digestive juices and effectively liquefy their prey, making digestion easier.
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Echinoderms exhibit unique features including a water vascular system, pentaradial symmetry, a calcareous endoskeleton made of ossicles, the ability to regenerate, and various specific features in different types such as a multipart feeding structure in sea urchins and two stomachs in sea stars.
Explanation:Echinoderms, such as sea urchins and sea stars, are known for their distinctive body structures. They feature a unique water vascular system, a system for locomotion, feeding, and respiration. They are characterized by their pentaradial symmetry where body parts are arranged in a circle of five around a central axis.
A common feature in echinoderms is their calcareous endoskeleton made of ossicles, small bony plates, developed by epidermal cells. These echinoderms also possess the power to regenerate, even when over 75 percent of their body mass has been lost.
For example, sea stars, a type of echinoderm, have two stomachs that can evert through their mouths to secrete digestive juices to aid digestion. Another example, Sea urchins, lacks arms but are hemispherical or flattened with five rows of tube feet, and have a complex multipart feeding structure called "Aristotle's lantern".
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In which of the following ways is the general development of a fetus different during the first and third trimesters?
A. The skeleton develops fully during the first trimester, and muscles and skin develop during the third.
B. Skin, muscles, and skeleton form during the first trimester and internal organs develop during the third.
C. Body parts are created during the first trimester, and they complete their development during the third.
D. The blastocyst creates a large ball of cells during the first trimester and it forms into body parts during the third.
The correct answer is C. Body parts are created during the first trimester, and they complete their development during the third.
The first 12 weeks of pregnancy is the first trimester. This trimester is also regarded as the embryonic stage because developing baby is called embryo. During this trimester, body parts such as eyes, ears, the nasal passage, arms, legs, hair follicles, mouth are formed. The sex organs are developed by the end of this trimester.
The third and final trimester starts 25 weeks after pregnancy. All the body parts of the baby formation completed. The movement of the fetus in the womb increases.
How do plants and animals get the food they need to survive?
a. True
b. False. a reservoir can be human beings, animals, insects, soils, and/or plants
Some snake embryos have small buds resembling limbs. These buds disappear at later stages of embryo development. These findings suggest that these snakes
Answer:
Once you know for sure that these snake embryos really have small buds resembling limbs at the early stages of the embryo development, one reason for that can be that, on this evolutionary line, you could say that this species previously had legs, So the main conclusion is, these snakes evolved themselves from animals that once had legs and could use them. With this information, you can compare this species to other species on an evolutionary plan, and by doing that, more information can be discovered.
"which layer of the endometrium is the functional layer and what does it do?"
Carmen's daily sodium intake should not exceed _____ milligrams, as the dash eating plan is even more effective when accompanied by a low sodium intake.
Most irregular galaxies are thought to have formed _____. from nebulas that cooled very quickly right after the big bang from cosmic background radiation from collisions between other galaxies
Answer:
D. from collisions between other galaxies.
Where would you expect to find a chain of volcanic mountains on the map below?
A
B
C
D
Answer:
A
Explanation:
If the image used was shown below, it's A. I got it right on the quiz
You would expect to find a chain of volcanic mountains at location B on the map.
The correct answer to the given question is option B.
To find a chain of volcanic mountains on the map, you would look for areas with a series of mountains formed by volcanic activity.
A chain of volcanic mountains typically occurs near tectonic plate boundaries, such as along the Pacific Ring of Fire.
Countries like Japan, the Philippines, and Mexico have chains of volcanic mountains due to their location along plate boundaries. On the provided map, you would expect to find a chain of volcanic mountains at location B.
Therefore, the correct answer to the given question is option B.
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What four key inferences were discussed in lecture that derive from the phylogenetic analysis of the gene that encodes nucleoprotein in influenza a strains from horses, pigs, birds, and humans?
The crucian carp , a Scandinavian fish , thrives in shallow ponds that freeze over during winter. While other creatures in the pond does from lack of oxygen , these carp are able to obtain energy through a biochemical pathway that does not require oxygen this characteristic is an example of a
Which of the following is a way that asexual reproduction is different from sexual reproduction? A. In asexual reproduction, the offspring has the same number of chromosomes as the parent. B. In asexual reproduction, the offspring is genetically different from the parent. C. In asexual reproduction, genes are modified, then transferred to the offspring. D. In asexual reproduction, only one parent is needed to produce offspring.
What body mass index is required to be classified as "obese"?
What are the thin tubes that form between the centrioles during mitosis?
The frequency of a dominant allele r in a population is 0.4. what is the frequency of the recessive allele, r? 0.3
Answer:
The frequency of the recessive allele (r) is 0.6 , Frequency of dominant allele R (p) + freq. of recessive allele r (q) = 1if the frequency of allele R is 0.4 , so freq. of allele r is 0.6Explanation:
Alleles:
An allele is a version of a gene, a heritable unit that controls a specific feature of an organism.For example, Mendel studied a gene that controls flower color in pea plants.This gene comes in: a white allele,w and a purple allele,Ww: recessive allele but W: is dominant alleleEach pea plant has two gene copies , which may be the same or different alleles, ex; (WW\ Ww\ ww) ( see first picture) If the two gene copies is:WW: this mean pea plant will take purple color
Ww: the dominant purple allele,W, will hide the recessive
white allele, w,and pea plant will be purple.
ww: pea plant will be white
Allele frequency :
Refers to how frequently a particular allele appears in a population(A population is a group of organisms of the same species that are found in the same area )
For example : if all the alleles in a population of pea plants were purple alleles, W, the allele frequency of W would be 100%, or 1 However, if half the alleles were W and half were w, each allele would have an allele frequency of 50%, or 0.5 [tex]frequency of allele W =\frac{Number of allele copies W in population}{Total number of allele copies W and w in population}[/tex]Example: Finding allele frequency: ( see second picture)
Let’s look at an example ( pic. 2) Consider the very small population of nine pea plants . Each pea plant has two copies of the flower color gene. If we look at the two gene copies in each plant ( pic 2 ) and count up how many W copies are present, we find there are 13. If we count up how many w copies are present, we find that there are five. The total number of gene copies in the whole population is 13 + 5 = 18 .We can divide the number of copies of each allele by the total number of copies to get the allele frequency. When there are just two alleles for a gene in a population, their frequencies are given the symbols (p) and (q) :[tex]freq. of allele W (p) =\frac{13}{18}= 0.72[/tex][tex]freq of allele w (q) =\frac{5}{18} =0.28[/tex]The frequencies of all the alleles of a gene must add up to one ( p+q=1).Learn more about :
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Keyword:
Allele\ gene\ frecuency \ mendel \ genetics \heredity
The shape of DNA is known as?