The small intestine coudn't work without the _________ because fats coudn't be broken down.
Answer:
bile from the gallbladder
Helper T-lymphocytes are also referred to as ______. Multiple choice question. CD4 cells CD8 cells CD6 cells CD2 cells
Answer:
Helper T-Cells are CD4 Cells.
Explanation:
Helper T Cells have a protein called CD4 that associates with the T-Cell receptor complex (or TCR).
Marc and his brother take turns mopping the flies in their fathers pizzeria each night. Which force becomes weakened when the floor is wet?
A. Air resistance
B. Friction
C. Magnetism
D. Gravity
Answer:
friction
Explanation:
think about a carpet flooring
Telomere shortening puts a limit on the number of times a cell can divide. Research has shown that telomerase can extend the life span of cultured human cells. How might adding telomerase affect cellular aging?.
Telomerase is an enzyme that longs telomeres, which are fundamental repeats at the ends of chromosomes whose length is associated with cellular aging.
What are telomeres?Telomeres are specific long tandem repeats located at the ends of all chromosomes in the cells.
These repeats (telomeres) are fundamental during cell growth and cellular aging.
It has been shown that telomerase can avoid the shortness of telomeres and thus can be used to slow cellular aging.
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what type of cell are bacteria and archaea made of ?
Answer:
Bacteria are prokaryotes, lacking well-defined nuclei and membrane-bound organelles, and with chromosomes composed of a single closed DNA circle. They come in many shapes and sizes, from minute spheres, cylinders and spiral threads, to flagellated rods, and filamentous chains.
Explanation:
Answer:
Prokaryotes,both bacteria and archaea have prokaryotes, which means that the cells don't have a nucleus or other membrane-bound organelles in their cells. Like bacteria, the cells have a coiled ring of DNA, and the cell cytoplasm contains ribosomes for the production of cell proteins and other substances the cell needs.
Explanation:
hope this helps have a good day!Also can I have brainliest
C-reactive protein is released into the bloodstream in response to.
Answer:
Inflammation
Explanation:
Why do anole lizards represent an excellent proxy for studying evolution?.
Anole Lizards represent an excellent proxy for studyimg evolution because : Anole lizards are examples of convergent evolution
What is a Convergent evolution ?A convergent evolution is a type of evolution where different living things acquire the same type of adaptations independently for the same kind of challenges in that occur in similar ecological niches. Anole lizards are examples of convergent evolution.
Hence we can conclude that Anole Lizards represent an excellent proxy for studyimg evolution because Anole lizards are examples of convergent evolution.
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Describe an action that might result in less atmospheric carbon dioxide.
Answer:
Here are six options for removing carbon from the atmosphere:
1) Forests. ...
2) Farms. ...
3) Bio-energy with Carbon Capture and Storage (BECCS) ...
4) Direct Air Capture. ...
5) Carbon Mineralization. ...
6) Ocean-based Concepts. ...
The Future of Carbon Removal.
Explanation:
The complement cascade and its by-products contribute to:.
The complement cascade and its by-products contribute to
Both triggering inflammation and attracting phagocytes to sites of infection
up, are then matched with their partner ar
chromosomes). Once all the chromosom
chromosome can be found and the exac
Pre-Lab Questions:
1. What is nondisjunction?
2. What is karyotyping?
3. How many chromosomes does an indi
What is the main reason that it takes 2 to 3 minutes for the reaction to occur between sucrose and sulfuric acid in the dehydration of sucrose? the activation energy needs to be overcome in the reaction. the activation energy must be removed from the intermediates. the sulfuric acid has to be consumed before the reaction takes place. the sucrose molecules must rearrange to become the catalyst.
The main reason for this activity is the activation energy needs to be overcome in the reaction.
What do you mean by Dehydration?Dehydration may be defined as a process where there is a removal or loss of water takes place from something.
When the reaction between sucrose and and sulfuric acid is carried, it may leads to dehydration of sucrose. As a result of this, activation energy requires to come up in the reaction.
Therefore, the main reason for this activity is the activation energy needs to be overcome in the reaction.
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Answer:
A. the activation energy needs to be overcome in the reaction
Explanation:
how do pinnate leaves adapt themselves for photosynthesis in their habitat
Explain the difference between rotating and revolving. Then, describe the rotation and revolution/orbit of Earth.
Answer in at least four complete sentences. (o-o¬)
Be sure to check your grammar and spelling.
You can use the sentence starters and hints below to help you answer the questions:
When the Earth rotates, it is ________________________________.
When the Earth completes one revolution, it is __________________________.
*Hints for your last two sentences: Think about the shape of Earth's orbit, how long one rotation and one revolution take, etc.
Answer:
Rotation is the spinning of an object in one place. Revolution is the circling of an object in a given orbit (path).
Explanation:
When the earth rotates, it spins on its own axis which is tilted at 23.5 degrees. Thus, we can conclude that the earth rotates on its axis every 24 hours relative to the Sun.
When the Earth completes one revolution around the sun in a fixed orbit in 365.25 days. This means the earth takes approximately 365 days to completely encircle around the sun and return back to its original position.
(The extra .25 day is added every year to make up one full day. Hence, we see a leap year every 4 years).
In which form is most carbon dioxide transported in the blood?.
Answer:bicarbonate ions
Explanation:The majority of carbon dioxide is transported as bicarbonate ions. This is because erythrocytes have a high activity of carbonic anhydrase, an enzyme that catalyzes the reaction between carbon dioxide and water.
Air pressure is lowest in the lungs during which of the following points during inspiration or expiration? (2 points)
A) End of inspiration, when lung volume is lowest
B) End of inspiration, when lung volume is highest
C) End of expiration, when lung volume is lowest
D) End of expiration, when lung volume is highest
Answer:
a) end of inspiration when lung volume is lowest
Explanation:
The breakdown of pollutants. water purification, and soil formation are valuable services provided by:
A. earthquakes
B. the tides
C. ecosystems
D. global warming
I belive the answer is c
Explanation:
D, A ,and B have nithing to do with it
If cortisol levels remain high for prolonged periods, the _____ may not function at an optimal level.
If cortisol levels remain high for prolonged periods, the immune system may not function at an optimal level.
What does being in hardy-weinberg equilibrium mean for a population?.
The Hardy-Weinberg equilibrium is a principle stating that the genetic variation in a population will remain constant from one generation to the next in the absence of disturbing factors.
Select the correct answer from each drop-down menu. the dna of humans and mice is almost 92% similar. this similarity indicates that . mice have a tail, while humans have a tailbone. the tailbone is a structure in humans.
The DNA of humans and mice is almost 92% similar. This similarity indicates that mice share a common ancestor with humans. Mice have a tail, while humans have a tailbone.
Why do humans share DNA with mice?Humans and mice don't look alike, but both species are mammals and are biologically very similar. Almost all of the genes in mice share functions with the genes in humans.
That means we develop in the same way from egg and sperm, and have the same kinds of organs.
Thus, Mice have a tail, while humans have a tailbone is correct.
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questions in the attached img. someone help me pls
Answer:
A. Medicine — Plasmids are used as an anti-stress medicine to cope with stress-related conditions. It is also used replicate proteins. It is also used in gene therapy.
B. Agriculture — It is used for metal resistances. It is also used for antibiotic resistances. It provide bacteria with genetic advantages.
Image attached
20 POINTS
Which one is false???
16. Why should the recessive phenotype be used first to determine the q squared value instead of the dominant phenotype to determine the p squared value?
The recessive phenotype is used first to determine the q squared value because it is only expressed when h0m0zygous.
What is a recessive phenotype?A recessive phenotype is a phenotype which expresses the recessive trait of a gene.
The recessive phenotype is always h0m0zygous for that triat to be expressed.
In the Hardy-Weinberg equilibrium equation, the allele and phenotype frequencies are given as follows:
p^2 + 2pq + q^2 = 1where;
p^2 is the h0m0zygous dominant phenotype frequency2pq is the heterozygous phenotype frequencyq^2 is the h0m0zygous recessive phenotype frequencyTherefore, the recessive phenotype is used first to determine the q squared value because it is only expressed when h0m0zygous.
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darwin observed that organisms that were best able to survive and reproduce had adaptations that were...
A. suited to their environment.
B. ill suited to their environment.
C. incompatible with their surroundings.
D.nonexistent throughout the species.
Answer:
A: Suited for their environment
Explanation:
You can automatically eliminate B and C, since they both say that animals with adaptations that won't work with their environment would have a higher survival rate. This doesn't make sense; adaptations that wouldn't suit an environment would actually lower the population's chances of reproduction and survival.
That leads us to A and D. However, A would be the correct answer. Organisms with adaptations that suited their environment would help them (since it would make the organism more compatible with their environment), rather than having no change at all.
Hope this helped!
Answer: A. suited to their environment.
Explanation:
After a culture of cells is allowed to multiply and is viewed through a microscope, the cells are x-rayed with high-energy radiation for less than 1/100th of a second. After the radiation, many newly reproduced cells appear different. What has probably occurred?.
After an exposure of the cells to high-energy radiation many newly reproduced cells appear different due to mutation.
What is mutation?Mutation occurs in cells when the change or damage of deoxyribonucleic acid in the cell brings about alterations in the genetic makeup of the organism.
Mutation of genetic material is caused by environmental factors called mutagens.
Examples of mutagens include:
radiation, chemicals, andinfectious agents.X-ray is an example of electromagnetic wave that possess high-energy radiation.
Therefore, after an exposure of the cells to high-energy radiation many newly reproduced cells appear different due to mutation.
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I need help with this
C: The organelles are enclosed in membranes
an avalanche in the top of the Andes Mountains drastically reduces the population of conifers and mountain goats in an area. This is an example of a _____ environmental change
An avalanche reducing the populations of conifers and mountain goats is an example of natural environmental change.
What is an environmental change?This refers to sudden and often unexpected modification in factors such as weather, access to resources, among others.
What are the types of environmental changes?These changes can be classified into categories such as:
Natural environmental changes.Human-cause environmental changes.Based on this classification, the avalanche is a natural environmental change considering this is a natural disaster.
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pleaseee help need asap!!!
Sylvite is the best for manufacturing plant use, because sylvite is a key component of fertilizers, hence option A is correct.
What are minerals?Usually created by inorganic processes, a mineral is a naturally occurring homogeneous solid with a specific chemical makeup and a highly ordered atomic organization.
About 100 of the known mineral species the so-called rock-forming minerals make up the majority of the known mineral species, which number in the thousands. On the basis of their chemistry and crystal shape, minerals are categorized.
Metallic and non-metallic minerals are the two categories into which minerals fall. Metallic minerals have luster in their look and are chemically composed of metals. These minerals can be mined to obtain them as a possible source of metal.
Therefore, option A is correct.
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One species of tree snail is found on a single island in the pacific. A storm knocks down one tree that contains 50 snails and it drifts at sea for a week before coming ashore at a nearby island. The snails make it to shore and over time evolve into a new snail species. This is an example of:.
Answer:
the theory of evolution is the answer
In what areas of the world is biodiversity the lowest?
tropical regions
polar regions
temperate regions
ocean regions
Answer:
Polar regions
Explanation:
Because plants don't survive in the extreme cold and ice that cover these regions year-round.
Due to their intense and harsh environmental circumstances, polar regions like the Arctic and Antarctica often have the lowest levels of biodiversity. So, the correct option is B.
What is Biodiversity?The term "biodiversity", which is short for "biological diversity", describes the range of living things and ecosystems that exist on Earth. It includes a wide range of species, genetic diversity within those species, a wide range of environments, and a range of ecological processes. Humans benefit greatly from biodiversity as it provides them with food, medicine and ecological services such as pollination and water and air purification.
Because of their intense and harsh environmental conditions, polar regions such as the Arctic and Antarctica often have the lowest levels of biodiversity. These regions have a relatively limited diversity of species because the cold and dry conditions make it difficult for many species to live. Furthermore, these areas often have low population density due to the severe environment and scarce resources.
So, the correct option is B.
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BRAINLIEST TO CORRECT ANSWER!!!
Which TWO locations are most likely to have both earthquakes and volcanoes?
O A. Transform fault zones
OB. Mid-ocean ridges
OC. Deep ocean basins
OD. Subduction zones
Answer:
the answer is C give brainliest if it's correct
The two locations are most likely to have both earthquakes and volcanoes are the plate boundaries which are very much prone to the conductance of Earth quakes. The answer to the question is option C.
What are the plates that are involved in the region of earthquakes ?
These are the tectonic plates that are involved for the same.
Both the volcanoes and the earthquakes are usually caused along the same boundaries of the tectonic plates that are due to their own movements along with the interactions. The movement in the narrow zones that are along the plate boundaries which causes most of the earthquakes.
The Ring of Fire that is also referred to the Circum-Pacific Belt which is a path passing along Pacific Ocean that is characterized by the active volcanoes and the frequent earthquakes . The major of Earth's own volcanoes and earthquakes usually take place only along Ring of Fire.
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