Answer:
They produce both sexually and asexually. Also the organism is similar
Explanation:
I learned this last year
Induction of peripheral tolerance in T cells: Please choose the correct answer from the following choices, and then select the submit answer button. can be caused by interaction with MHC/peptide in the absence of costimulation. can be caused by costimulation in the absence of MHC/peptide. usually leads to apoptosis. The first and third answers describe this form of induction. The second and third answers describe this form of induction.
Answer:
can be caused by interaction with MHC/peptide in the absence of costimulation
Explanation:
T cells represent a class of white blood cells (lymphocytes) that have a major role in the adaptive immunity of the organism against specific pathogens. Peripheral tolerance is a type of immunological tolerance aimed at ensuring B and T cells that escaped from the central tolerance mechanism do not produce autoimmune diseases. Some populations of lymph node cells can induce peripheral tolerance in T helper cells (Th cells, CD4+ cells) by the presentation of peptide-MHCII (major histocompatibility complex type II) complexes acquired from dendritic cells. These dendritic cells are antigen-presenting cells that play a key role in adaptive immunity, which are well-known to induce CD4 and CD8 T cell tolerance in response to antigens (peptides/proteins).
the body of fish is streamlined why
Which scenario MOST LIKELY represents genetic drift and why?
Question 2 options:
Scenario 2, because the dark beetles are most fit for the environment.
Scenario 1, because chance events led to a decrease in the number of dark
beetles.
Scenario 2, because chance events led to a decrease in the number of light
beetles.
Scenario 1, because the light beetles are most fit for the environment.
Answer:
B -Scenario 1, because chance events led to a decrease in the number of dark
Scenario 1, because chance events led to a decrease in the number of darkbeetles.
Will mark brainliest and give thirteen points but you must give explanation
Ans where is the question
Explanation:
i can only answer the question once its stated, thank you have a great day :D
9 facts about continents?
Explanation:
The seven continents include: North America, South America, Europe, Asia, Africa, Australia, and Antarctica. The Continent of Africa is home to the World's third largest desert. This desert is called the Sahara Desert. It is the hottest desert in the world and takes up an area as large as the country of China.
you can make points out of this
Answer:
-Austrailia/Oceania is the smallest continent of the planet.
-Africa is the continent with the most countries.
-The oldest human fossils were discovered in Africa.
-About 580 million people live on North America.
-Europe houses 2 of the smallest countries in the world.
-About 430 million people live on South America.
-Antartica is the smallest continent by population.
-Asia houses some of the richest nations in the world.
-Africa houses the largest river in the world.
Define the meaning of the phrase entry requirements to higher education institutions and state four reasons why knowing the entry requirements is important
Answer:
Requirements needed by the students for the admission.
Explanation:
Entry requirements refers to the requirement needed by the students for the admission in the college or university. Knowing entry requirements is important because the university allows only those students who are eligible for the course. It provides information about the criteria on which students are selected for the admission. Due to these requirements, the students work harder and do more study to achieve the requirements that is necessary for the admission. Knowing the entry requirements will help students to collect or achieve the necessary things.
Explain the consequences of a base substitution mutation in relation to the processes of
transcription and translation.
Answer:
A base substitution is when the base in the DNA molecules is replaced with another base.
Explanation:
This substitution changes the base sequence of mRNA during transcription and in translation the amino acid sequence coded for by the mRNA will have a mistake in it because of its change in base
A chemist has discovered a drug that blocks an enzyme that catalyzes some of the reactions of glycolysis. He wants to use the drug to kill bacteria in people with infections. However, he cannot do this because __________. A chemist has discovered a drug that blocks an enzyme that catalyzes some of the reactions of glycolysis. He wants to use the drug to kill bacteria in people with infections. However, he cannot do this because __________. bacteria are facultative anaerobes; they usually don't need to perform glycolysis human cells also perform glycolysis; the drug might also poison them glycolysis can occur without the action of enzymes bacteria do not perform glycolysis glycolysis produces so little ATP that the drug will have little effect
Answer:
human cells also perform glycolysis; the drug might also poison them
Explanation:
Glycolysis is the first stage of cellular respiration, which is performed by every living thing to release energy for their cell's use. Glycolysis occurs in the cytosol, hence, it is undergone by every living organism whether prokaryotic or eukaryotic.
According to this question, a chemist is said to have discovered a drug that blocks an enzyme that catalyzes some of the reactions of glycolysis. His main aim is to use the drug to kill bacteria in people with infections. No matter his good intentions, he cannot use the drug on people because of its inhibitory effect on glycolytic reactions, which is also performed by human cells.
Therefore, the chemist cannot use the drug because human cells also perform glycolysis and the drug might also poison them.
HELP!!!! 50PTS!!!!!!
When some organic molecules, such as lipids, are added to water, vesicles can form. Which of the following best describes how scientists hypothesize true cells evolved from vesicles? (3 points)
Vesicles became enclosed by a membrane, thus becoming organelles for larger cells.
Vesicles containing amino acids fused to form nucleotides, RNA, and DNA.
Vesicles surrounded organic compounds and catalyzed reactions to form macromolecules.
Vesicles that contained self-replicating RNA grew, split, and passed their RNA to daughters.
Answer:
DNA can store genetic information and most likely appeared before RNA.
Explanation:
Answer:
Vesicles that contained self-replicating RNA grew, split, and passed their RNA to daughters.
Explanation:
RNA played role in protein synthesis and also created its own catalyst.
A one-eyed purple people eater is crossed with a two
eyed purple people eater. All of their offspring have two
eyes. Which trait is dominant?
Answer:
The two eyed
Explanation:
PLEASE PUT THIS IN THE CORRECT ORDER! I AM FAILING THIS CLASS :< PLEASE HELP! I will give brainliest!!!!!
Answer:
1. a solution forms from a liquid and dissolved substances
2. a warm solution flows through a crack in the rocks there
3. elements and compounds leave as the solution cools
4. elements and compounds crystallize
i hope this helps! :D feel free to clarify anything if you need to.
Help please :,))) AHHHHH
Answer:
Anerobic Respiration
Explanation:
this is the answer Anerobic Respiration
In general, what region of the country most likely experiences the greatest chemical
weathering and why?
Albany, NY or Washington, D.C.
Answer: South/South East - South China/Indochina
Explanation:
Climatic and tectonic controls on weathering in south China and Indochina Peninsula: Clay mineralogical and geochemical investigations from the Pearl, Red, and Mekong drainage basins
2. What does polar mean?
A. A molecule is cold
B. A molecule has ionic bonds
C. A equal sharing of electrons
D. An unequal sharing of electrons
Hello!
⭐What does polar mean?
--------------------------------------------------------------------------------------------------------------------------------------------
D. An unequal sharing of electrons--------------------------------------------------------------------------------------------------------------------------------------------
Chemical polarity or only polar is a property of molecules that represents the separation of electric charges in the same molecule (see also electric dipole). ...
I hope I have helped you :D
greetings
atte:
Angela
❤️
Please do both questions I will mark brainliest if they are both right
Answer:
A & f i think im not positive
Explanation:
Students carry out an experiment to test how white button mushrooms grow best. They begin with identical trays that contain straw, wood chips, and compost, as well as the hyphae that will form the mushroom caps. The students' are experiment and results are described in the table.
Which statement Best describes the students' results?
A) Mushrooms grow better at the cooler temperature.
B) Mushrooms grow better at the warmer temperature.
C) Mushrooms grow better when exposed to light for longer periods.
D) Mushrooms grow better when exposed to light for shorter periods.
The statement that Best describes the students' results is option A. Mushrooms grow better at the cooler temperature.
Result of the student:Since the students' are experiment and results are described in the table.
So based on this, we can say that the mushroom should grow better at the cooler temperature.
Also, the number of mushroom should be 34.
Therefore, the option a is correct.
Learn more about experiment here: https://brainly.com/question/2700122
Que tipo de procariotas crees que podrían sobrevivir a un viaje por el espacio? Explica. ayuda pliis
Answer:
bacterias extremófilas
Explanation:
Los organismos extremófilos son aquellos capaces de vivir en condiciones extremas. Los extremófilos pueden ser tanto procariotas (arqueas y bacteria) como eucariotas (hongos, plantas, animales, etc). Algunos ejemplos interesantes de bacteria extremófilas capaces de sobrevivir en condiciones extremas como las que se encuentran en el espacio incluyen:
1- Deinococcus radiodurans, la cual es una bacteria capaz de resistir grandes dosis de radiación.
2- Thermus aquaticus, una bacteria capaz de vivir a temperaturas entre 50 y 80 °C. Esta bacteria produce una ADN polimerasa termoestable que ha sido utilizada para la reacción en Cadena de la Polimerasa (PCR)
3- Polaromonas vacuolata, una bacteria capaz de desarrollarse completamente sin problemas a temperaturas muy bajas. (entre 4 °C a 0 °C).
Which statement best describes the role of mRNA in protein synthesis?
Answer:
Copies the genetic code fro the DNA molecule and carries it to the ribosome.
Explanation:
The function of Mrna is to carry proteins from DNA to Ribosome
Dendritic cells process antigens by
detection.
engulfment.
immunity.
inflammation.
Answer:
Dendritic cells are the most efficient antigen-presenting cells. They take up antigens and pathogens, generate MHC-peptide complexes, migrate from the sites of antigen acquisition to secondary lymphoid organs and, finally, they physically interact with and stimulate T lymphocytes. So it would most likely be inflammation.
Explanation:
Answer: Engulfment.
Explanation:
What is the fate of the sunlight during photosynthesis?
A. It is released as a product
B. It lowers the activation energy
C. It is converted to chemical energy
D. It is an unnecessary reactant
Answer:
C. It is converted to chemical energy is your answer
c ) itz ans.....................,.........
anyone know the answer??????????????????????????????????
Answer:
The first one is the answer
Explanation:
Kingdom: Animal
Genus: Leucocephalus
Species: Haliaeetus
PLEZ HELP ASAP I WILL MAKE U BRAINLIEST
Answer:
answer C
Coefficients are used in all chemical equations to show the relative amounts of each substance present.
Is this wrong? I lost my Nanna 2 years ago, and I still cry at night because I miss her...
Answer:
nope
Explanation:
its right.........
What device converts the various forms of energy into electrical energy?
Answer: photovoltaic cell i think
Explanation: A device which is used to convert light energy directly into electrical energy is called as photovoltaic cell or a solar cell.
True or False: Plants are heterotrophs and get their food from the soil
Which statement is the most correct?
A. Chemicals manufactured by humans
are more dangerous to human health
than naturally occurring chemicals.
B. Both natural and human-made
chemicals are potentially toxic to
humans.
C. Naturally occurring chemicals are more
poisonous to humans than synthetic
chemicals.
Answer: I believe the answer is A
Explanation:
What force or forces constitute the fundamental source of energy that generates wind movement and circulation?
Answer:
The movement of wind is the result of the action of one or more forces on a particle of air, fundamentally the forces of the solar radiation, pressure gradient, coriolis, friction and centrifugal are recognized.
Explanation:
Air movement is caused by differential heating of the earth's surface and the atmosphere, which presents significant variations in time and space. Wind specifically refers to the horizontal movement of air parcels (which reach great distances and can persist on different time scales)Solar radiation is absorbed by the Earth, and this process is uneven. This irregular heating is what generates the wind. Pressure Gradient Force is determined by the pressure differences between two points in the atmosphere and tends to move the parcels of air from high to low pressure centers, in order to achieve barometric equilibrium. This force is responsible for causing the initial movement of the air. The Coriolis Force is an apparent force that occurs perpendicular to the direction of movement, generating a deviation in the wind path due to the rotation of the Earth (around its axis with an angular velocity). Centrifugal Force manifests itself as a radial pushing action from the center of a circle. In the atmosphere, it occurs in high- and low-pressure systems, leading outward from high- or low-pressure centers. The Friction Force is caused by the friction of the air with the earth's surface, causing a delay in the flow of air masses and changes in the direction of movement.
what is formed during photosynthesis
Answer:
Glucose and oxygen is produced
Explanation:
oxygen is usually released as a by-product and the glucose made is converted to starch and stored in leaves
plus ATP molecules are formed from excess light energy and is converted to a high energy chemical compound
What ethical issue is related to genetically modified crops?
Explanation:
Five sets of ethical concerns have been raised about GM crops: potential harm to human health; potential damage to the environment; negative impact on traditional farming practice; excessive corporate dominance; and the 'unnaturalness' of the technology.
A private reptile breeding facility near the Everglades was destroyed by Hurricane Andrew in 1992. This event contributed to the original influx quantities of pythons in the wild. Pet owners also contributed to the introduction of these reptiles to the Everglades by releasing pets that had grown too large to care for. These reptiles are considered species to this ecosystem.
can someone please write an explanation that describes the impact of the Burmese python on the Everglades?
Claim:
Evidence:
Reasoning:
Answer:
Claim:
The increase in the population of the Burmese python in Everglades is affecting the ecosystem of said area. They are an invasive species.
Evidence:
From 1994 to 2007, the Burmese python population increased from a small number below 50 species to more than 250 by 2007. As the Burmese population increased, the mammals' population in Everglades decreased significantly and even had extincted some species. For example, from 1993 to 1999, there were 64 white-tailed deer and five red foxes, and grey foxes. Between 2003 and 2011, there were 24 white-tailed deers and 0 foxes. Overall, there is a decrease in all mammals.
Reasoning:
The increasing number of Burmese Pythons due to the release of them by pet owners and due to the destructions of a private reptile breeding facility left a high number of pythons in the wild. As a consequence, these pythons ate other animals producing an imbalance in the Everglades ecosystem. Owing to its large number and how they are harming the ecosystem, they are considered an invasive species.
Explanation:
After analyzing the information, the claim is that the increasing population of pythons harms the Everglades' ecosystem.
The evidence that supports the claim is present in the graphics, where we can see how the population of this reptile grew over the years, and the mammals' population decreased. There is specific information about the reduction in the number of mammals in the area, such as the raccoon, foxes, rabbits, etc.
After presenting the evidence, the reasoning that we can make is that the pythons are killing the other animals in Everglades. Also, we can see that they are not a native species from the area since they were released by pet owners and by a breeding facility by accident. The fact that they are harming the Everglades' ecosystem and that they are not native species makes them an invasive species.