The _______ extend from the ventricular zone to the pia mater.
a. dura mater cells
b. progenitor cells
c. radial glia
d. astrocytes
Answers
The correct answer to the given question is c. radial glia.
Radial glia are a type of cell found in the developing central nervous system, and they are responsible for guiding the migration of neurons from the ventricular zone (where they are born) to their final destinations in the brain. Radial glia cells are long and thin, and they extend from the ventricular zone all the way to the pia mater (the outermost layer of the brain). As neurons migrate along the radial glia, the cells transform into astrocytes, which provide structural and metabolic support to the developing brain. Radial glia are important in the formation of the nervous system and play a critical role in the development of the cerebral cortex, the part of the brain responsible for conscious thought, movement, sensation, and perception.
To know more about astrocytes please visit:
https://brainly.com/question/30438712
#SPJ11
Related Questions
What are the 4 parts of naturalization test?
Answers
Answer: The English test has three components: reading, writing, and speaking.
Explanation:
Planets near the Sun are composed of mainly rock and iron. How does the Solar Nebula theory account for this? Select one: a. The planets that today are near the Sun were captured. b. The forming Sun’s heat prevented substances such as ices from condensing in the inner Solar System. c. The Sun’s magnetic field attracted all of the iron in the nebula into the inner Solar System. d. As the planets were captured, denser ones were pulled closer to the Sun by gravity. e. The planets that today are far from the Sun were captured. Clear my choice
Answers
Answer:
B
Explanation:
Which structures are similar in function, but do not indicate that the organisms are related?
analogous structures
homologous structures
vestigial structures
transitional structure
Answers
Answer:
A
Explanation:
analogous structures
Analogous structures are similar in function but do not necessarily suggest that the organisms are related.
What are analogous structures?The term “analogous” is used to describe biological structures that have similar or analogous functions but are not of the same evolutionary lineage. This means that the same biological structures are used by the same species for the same purposes, but the species are from different evolutionary origins. This type of evolution is called convergent evolution.
For example, similar structures of different species might have similar or equivalent functions, even though they originated from a different evolutionary point of view.
The wings of birds and insects are similar organs. Both birds and insects have wings that allow them to fly. However, their wings come from different ancestors. This is an example of analogous structure.
To learn more about the analogous structure, refer to the link:
https://brainly.com/question/16701939
#SPJ5
how are genes created through duplication and rearrangement
Answers
Answer:
Duplication, which means to double, results in two identical genes. One or both of these genes may change over time through mutations to create two new different genes. During meiosis, gene duplication is likely to happen when chromosomes cross over and recombination occurs.
Explanation:
when tissues are injured, arachidonic acid is converted to blank, which produces inflammation and pain in the area.
Answers
When tissues are injured, arachidonic acid is converted to prostaglandins, which produce inflammation and pain in the area. Prostaglandins are lipid molecules derived from arachidonic acid and play a crucial role in the inflammatory response.
The conversion of arachidonic acid to prostaglandins occurs through the action of enzymes called cyclooxygenases . There are two forms of COX enzymes, constitutively expressed in various tissues and is involved in maintaining normal physiological functions, while is induced during inflammation and plays a major role in producing prostaglandins associated with pain and inflammation.
When tissues are injured, certain cells, such as immune cells, release signaling molecules called cytokines. These cytokines stimulate the production of enzyme in response to injury or inflammation. then converts arachidonic acid into prostaglandins, which act as local mediators of inflammation.
Prostaglandins have various effects on the body. They dilate blood vessels, increase blood flow to the injured area, and promote the migration of immune cells to the site of injury. This increase in blood flow and immune cell recruitment leads to the characteristic signs of inflammation, such as redness, swelling, and heat. Prostaglandins also sensitize pain receptors, contributing to the perception of pain in the injured area.
To know more about tissues visit:-
https://brainly.com/question/27938643
#SPJ11
when more than one gene controls a trait and the result is often a continuum (gradient) of phenotypes rather only two distinctive options this is called what?
Answers
when more than one gene controls a trait and the result is often a continuum (gradient) of phenotypes rather only two distinctive options this is called Polygenic Trait.
A Polygenic Trait that is influenced by two or more genes, such as height or skin tone, is referred to as a polygenic trait and Polygenic Trait characteristics of phenotypes do not follow the laws of Mendelian inheritance since several genes are involved. Polygenic Trait inheritance refers to the regulation of a characteristic by more than one gene in which the dominant allele of each gene expresses just a portion of the Polygenic Trait and the whole phenotype is only produced in the presence of the dominant alleles of all multiple genes.
learn more about gene here:
https://brainly.com/question/1523745
#SPJ4
how can the silent march best be described the silent protest
Answers
Answer:
There is no singing or chanting, just the muffled thump of drums.
Explanation:
Que seres vivos son heterotrofos ?
Answers
un organismo que deriva sus requerimientos nutricionales de sustancias orgánicas complejas.
Suppose the current exchange rate between Germany and Japan is 0.02 =C/¥. The euro-denominated annual continuously compounded risk-free rate is 4% and the yen-denominated annual continuously compounded risk-free rate is 1%.
a. What are the 6-month euro/yen and yen/euro forward prices
Answers
The 6-month euro/yen forward price is 0.0201185 €/¥.
The 6-month yen/euro forward price is 49.7307 ¥/€.
To calculate the forward prices, we need to consider the interest rate differentials between the two currencies.
1. Calculate the euro/yen forward price:
Forward price = Spot price × (1 + Euro interest rate) / (1 + Yen interest rate)
Forward price = 0.02 × (1 + 0.04) / (1 + 0.01)
Forward price = 0.0201185 €/¥
2. Calculate the yen/euro forward price:
Forward price = 1 / Euro/yen forward price
Forward price = 1 / 0.0201185
Forward price = 49.7307 ¥/€
Therefore, the 6-month euro/yen forward price is 0.0201185 €/¥, indicating the amount of yen needed to buy one euro in the future. The 6-month yen/euro forward price is 49.7307 ¥/€, indicating the amount of euros needed to buy one yen in the future.
These forward prices are determined based on the interest rate differentials and expectations of future currency exchange rates.
To know more about "Interest rate" refer here:
https://brainly.com/question/13806060#
#SPJ11
What makes an isotope radioactive? Are all isotopes radioactive?
Answers
Answer:
Radioactive Elements
In elements with more than 83 protons, all of the isotopes are radioactive. ... The force of repulsion among all those protons makes the nuclei unstable. Elements with more than 92 protons have such unstable nuclei that they don't even exist in nature.
Explanation:
hope it helps you
follow me for more
I'm willing to help
PLEASE HELP!!!!! FIRST ANSWER GET BRAINIEST!!!!!
A lichen is an organism that structurally appears to be a single organism. But a lichen is actually two different organisms—a fungus and green algae—living together as one organism. The fungal partner derives its nutrition from the photosynthesizing algae. How does a lichen differ in its photosynthetic activity from Elysia chlorotica, the sea slug that’s considered to be a photosynthesizing animal?
A.
In lichens, the fungi photosynthesize on their own, while Elysia chlorotica forms a relationship with a photosynthesizing plant.
B.
In lichens, the relationship with the algae lasts throughout the life cycle, but in Elysia chlorotica, the relationship occurs only during the immature juvenile stage of the slug’s life cycle.
C.
Lichens can photosynthesize only because of the living algal partner, while Elysia chlorotica incorporates chloroplasts from algae into its cells.
D.
In lichens, the association between the fungi and algae is permanent, while Elysia chlorotica associates with a photosynthesizing organism only when it requires food.
Answers
Answer:
B. Cycle
Explanation:
Lichen performs photosynthesis with the assistance of an algal partner, but Elysia chlorotica incorporates the chloroplast from an algal partner, which is how lichens vary from Elysia chlorotica in this regard, hence option C is correct.
How does lichen photosynthesize?A process known as photosynthesis is one in which green plants and some photosynthetic algae produce their own food, glucose, using carbon dioxide and water in the presence of light.
Lichen is a symbiotic association between an algal component that produces food and a dominant partner fungus that gives the lichen its thallus form and fruiting bodies. A particular species of mollusc called Elysia chlorotica uses the chloroplast of an algal partner to carry out the photosynthesis process.
Therefore, Lichens can photosynthesize only because of the living algal partner, while Elysia chlorotica incorporates chloroplasts from algae into its cells, hence option C is correct.
Learn more about lichen, here:
https://brainly.com/question/16196351
#SPJ2
write out five examples each of food chain in terrestrial and aquatic habitat
Answers
Answer:
1.) Sun, Sea water plant, bottom feeder fish, shark,
Explanation:
I have done those questions before and I just gave a basic answer but Sun is always at the top because it gives energy for plants which is normally second like for example: Sun, Grass, Grass hopper, Snake, Bird, Spider (that eats birds or something)
How does your body become bigger
Answers
Answer:
Your body becomes bigger through puberty
How would you describe an epithelium consisting of a single layer of cells in which all cells rest directly on the basement membrane and all cells reach the apical surface?.
Answers
Columnar epithelium consists of a single layer of cells in which all cells rest directly on the basement membrane and all cells reach the apical surface.
What is a epithelial tissue?
Epithelial tissue has a free surface, which faces either a body fluid or the outside environment and thus provides a covering or a lining for some parts of the body.
There are two types of epithelial tissues namely :
Simple epithelium: Simple epithelium is composed of a single layer of cells and functions as a lining for body cavities, ducts, and tubes.Compound epithelium: The compound epithelium consists of two or more cell layers and has protective function as it does in our skin.Simple epithelium is further divided into three types, they are;
The squamous epithelium is made of a single thin layer of flattened cells with irregular boundaries. They are found in the walls of blood vessels and air sacs of lungs and are involved in functions like forming a diffusion boundary.The cuboidal epithelium is composed of a single layer of cube-like cells. This is commonly found in ducts of glands and tubular parts of nephrons in kidneys and its main functions are secretion and absorption. The columnar epithelium is composed of a single layer of tall and slender cells. Their nuclei are located at the base. Free surface may have microvilli. They are found in the lining of stomach and intestine and help in secretion and absorption.To learn more about epithelial tissues: https://brainly.com/question/13404204
#SPJ2
When testing the temperature of catalase what would happen if you changed the temperature using the same tube with the same catalase and hydrogen oxide mixture? Multiple Choice The substrate would stop working after few minutes before all temperatures could be tested: The enzyme would stop working after few minutes before all temperatures could be tested: The substrate and enzyme would bind and react before all temperatures could be tested;
Answers
When testing the temperature of catalase, if we changed the temperature using the same tube with the same catalase and hydrogen oxide mixture. Then, the substrate would stop working after a few minutes before all temperatures could be tested. Thus, the correct option is A.
What is Enzyme activity?Enzymatic activities can be measured by the breakdown of the substrates (reactants) and generation of the products. The methods which are used for measuring enzymatic activities include spectrophotometry, fluorescence, and radiolabeling.
When testing the temperature of the catalase enzyme, if we changed the temperature using the same tube with the same catalase and hydrogen oxide mixture. Then, the substrate would stop working after few minutes before all the temperatures could be tested.
Therefore, the correct option is A.
Learn more about Enzyme activity here:
https://brainly.com/question/11563662
#SPJ1
All but one of the following statements is true of uterine function. Select the statement that is not true of uterine function.
A) The endometrium has a functional layer that the embryo will implant into.
B) Its rhythmic, reverse peristalsis can propel sperm toward the egg.
C) The narrow portion of the uterus near the cervix is the most typical site of fertilization.
D) The myometrium contracts to expel the fetus during child birth
Answers
nf3 and so2 cbr4 and sf2 nh2ch3 and ch4 co and c6h6 none of the pairs above will form a homogeneous solution.
Answers
A homogeneous solution is one where the constituents or components are distributed evenly in the mixture. NH2CH3 and CH4 form a homogeneous solution.
1. NF3 and SO2: NF3 is a polar molecule whereas SO2 is a non-polar molecule. Thus, these two molecules will not form a homogeneous solution.
2. CBr4 and SF2: CBr4 is a non-polar molecule whereas SF2 is a polar molecule. Thus, these two molecules will not form a homogeneous solution
3. NH2CH3 and CH4: Both of these molecules are non-polar.Thus, they will form a homogeneous solution.
4. CO and C6H6: CO is a polar molecule whereas C6H6 is a non-polar molecule. Thus, these two molecules will not form a homogeneous solution.
Therefore, the pairs of NF3 and SO2 and CO and C6H6 will not form a homogeneous solution as these are a combination of a polar and a non-polar molecule.
learn more about homogeneous here
https://brainly.com/question/9799840
#SPJ11
What does it mean that water has a high heat capacity? Why is it important for life on Earth?
Answers
Explanation: The high specific heat of water means that it requires a large amount of heat to raise the temperature of water. This helps the temperature of the environment from becoming too hot or too cold. Also, humans are about 66% water, thus this property of water helps us regulate our body temperature too.
Hoped this helped!BryannaSalaz
Why is the collection of evidence necessary for plate tectonic theory?I chose C which was incorrect and would like to know what the right answer is.
Answers
A theory should be supported by evidence because it is an explanation of existing patterns of phenomena that are accepted by many scientists. It will remain a theory instead of becoming a fact when there are evidences that do not support the idea of the theory.
So the answer to this question may be B.
What technologies (devices) have led to scientific discoveries in selective breeding in animals
Answers
There are several strategies for selective breeding, ranging from high-tech and expensive procedures like in-vitro fertilization or genetic engineering to simpler, less expensive approaches that rely on the selection and controlled mating of animals based on visible features.
Techniques including inbreeding, linebreeding, and outcrossing are used in animal breeding. Similar techniques are employed in plant breeding.
Abstract. Efficiencies suited for application in animal husbandry have been established for the novel biotechnologies of gene transfer, in-vitro production, cloning, and embryo sexing.
Selective breeding is a type of genetic alteration that doesn't include introducing extraneous DNA into the organism. Instead, it refers to the deliberate selection of positive features.
To learn more about genetics here
https://brainly.com/question/30459739
#SPJ4
Q- What technologies (devices) have led to scientific discoveries in selective breeding in animals?
you are a marathon runner and need energy for tomorrow's race. how would eating pasta (and pie) help your body produce the energy it needs? Be sure to describe what will happen when you are running the race ( and breathing hard).
Answers
Single felled organisms that reproduce by spilling in two
Answers
Explanation:
Bacteria is a unicellular organism don't have any nucleus or cell walls and reproduce by splitting in two.
2. Paramecium is also a unicellular organism that reproduces by splitting in two.
#hope this helps you#
have a good day <3
can somebody help me please
Answers
Answer:
3 is a.
5 is b.
2 is c.
1 is a.
Also like which ones DO you need help with?
Explanation:
Which phylogenetic tree highlights the most recent common ancestor of all animals with four limbs (where limbs include legs, arms, and wings)
Answers
It draws attention to the taxon, or most recent common ancestor, of all tetrapods. The tips and nodes of the tree, respectively, represent groups of descendant taxa and common ancestors of descendants.
The evolutionary connections of biological species are described by the phylogenetic tree, often called phylogeny. The branching pattern of the phylogenetic tree illustrates how a series of shared ancestors gave rise to diverse species or groupings.
The phylogenetic tree helps us understand a person's complete life history or life.
Follow each taxon's lineage back in time (toward the base of the tree) until all the lineages meet to identify the most recent common ancestor of a group of taxa. Their most recent shared ancestor is represented by that node.
Learn more about to phylogenetic
https://brainly.com/question/13577065
#SPJ4
What adaptations might be required for green algae like Ulva to adapt to life on dry land? (8 points) Hint: For each category, think about what plants have. Feature Aquatic Algae Adaptations by Land Plants Structural support Algae are supported by water column Exposure to sunlight Algae receive sunlight filtered through the water column Access to water Each algal cell absorbs water directly from the water column Access to nutrients Each algal cell can absorb nutrients directly
Answers
To adapt to life on dry land, green algae like Ulva would require several adaptations in the following categories:
For more information on green algae : https://brainly.com/question/9205249
#SPJ11
During prometaphase, microtubules grow from the ________ to attach to the ________.
Answers
During prometaphase, microtubules grow from the centrosomes (also known as the microtubule organizing centers) to attach to the kinetochores of the chromosomes.
The centrosomes, located near the nucleus, serve as the main organizing centers for microtubule assembly during cell division. As the cell progresses into prometaphase, the centrosomes move to opposite poles of the cell, and microtubules emanate from each centrosome towards the chromosomes.
The microtubules that grow from the centrosomes are referred to as spindle fibers. They extend and search for the kinetochores, which are protein structures located at the centromere region of each chromosome. The kinetochores serve as attachment sites for the spindle fibers.
The spindle fibers interact with the kinetochores in a dynamic process, forming connections called kinetochore microtubules. These connections are crucial for the proper alignment and segregation of the chromosomes during cell division. Once attached, the spindle fibers exert forces on the chromosomes, aligning them along the cell's equatorial plane.
The attachment of microtubules from the centrosomes to the kinetochores is essential for the accurate distribution of genetic material during cell division. It ensures that each daughter cell receives the correct complement of chromosomes. Any errors or abnormalities in this process can lead to chromosomal instability and potentially result in genetic disorders or cell dysfunction.
Learn more about Prometaphase at
brainly.com/question/30693803
#SPJ4
How long are blue whales in kilómetros
Answers
Answer:
blue whales reach a staggering 100 feet 30 meters long, and they weigh upwards of 200 tons 181 metric tons. Still not impressed May 3, 2015
Explanation:
Blue whales are 24-30 meters long.
3.21 discussion factors affecting transpiration in this threaded discussion, you will draw on the data from your lab. you will post answers and comments to the following questions: describe how you conducted your experiment, and explain how you reached your conclusion. evaluate your investigation, and describe some ways that you could modify your investigation. respond to your classmates' experimental designs and conclusions. do they support their conclusions with evidence? how do the results of these experiments support the claim that feedback mechanisms maintain homeostasis?
Answers
The following elements impact transpiration rate: Evaporation and diffusion occur more quickly as temperature rises.
Humidity - If the leaf is surrounded by moist air as a result of an increase in humidity, the rate of water vapour diffusion slows down. Wind Speed: Moving winds drive off dampness. Transpiration is the process by which water from plants evaporates at their leaves when their stomata are open to allow \(Co_{2}\) and \(O_{2}\) to pass through during photosynthesis. The vapour pressure difference between the exterior and the inside of the leaf's mesophyll tissue is the main factor affecting the rate of transpiration. Therefore, the ambient humidity is the primary component affecting transpiration. Less transpiration happens when the atmosphere is humid.
Learn more about Transpiration here:
https://brainly.com/question/29725778
#SPJ4
Which activities may discourage some people from purchasing a hybrid vehicle? Check all that apply.
A)digging into the earth to search for metals
B)paying premiums to recharge car batteries
C)disposing of large amounts of hazardous waste
D)converting coal plants into other industrial plants
E)consenting to auto mechanics recycling old batteries
Answers
From the options, the activities that may discourage some people from purchasing a hybrid vehicle include paying premiums to recharge car batteries and disposing of large amounts of hazardous waste. Hence, the options that apply are B and C.
Explanation:Hybrid vehicles are considered to be more energy-efficient and eco-friendly. They have a gas engine that is integrated with an electric motor and a battery pack. The motor assists the engine while driving, and also charges the battery pack which can be charged via regenerative braking.The benefits of owning a hybrid vehicle are that they have lower fuel consumption, which means they emit fewer greenhouse gases. It also means they are cheaper to run because you spend less on fuel.
However, there are a few drawbacks to owning a hybrid vehicle. For instance, the battery in a hybrid vehicle requires periodic recharging, which can be expensive depending on your location and time of the day, and this may discourage some people from purchasing a hybrid vehicle. Also, disposing of large amounts of hazardous waste such as battery waste is another challenge faced by hybrid vehicle owners which may also discourage some people from purchasing a hybrid vehicle.
To know more about fuel visit:
https://brainly.com/question/981208
#SPJ11
Identify the number classified as composite.
O 67
O 47
0 27
O 37
Answers
Answer:
27
Explanation:
Prime number - Can only be divided by one and itself
Composite number can be divided by numbers other than one and itself
Answer:
27
Explanation:
hope this helps!! have a great day, night, or afternoon!! O(n_n)O