Small sacs that store and transport a variety of materials within cells are called.
Answers
The small sacs that store and transport a variety of materials within cells are called vesicles. Vesicles are a type of organelle that are involved in intracellular transport, secretion, and storage. Vesicles can be classified into three main types: transport vesicles, secretory vesicles, and storage vesicles.
Vesicles are small, spherical sacs composed of a lipid bilayer that encloses a space filled with fluid. They are found in both prokaryotic and eukaryotic cells, but their function and composition differ in each type of cell. In eukaryotic cells, vesicles are primarily responsible for transporting materials between different organelles and between the cell and its environment. Vesicles are formed through the process of budding, which involves the pinching off of a portion of a membrane-bound organelle, such as the endoplasmic reticulum or the Golgi apparatus. Once formed, vesicles can travel to their destination by either fusing with other organelles or by moving along the cytoskeleton. This process of vesicular transport is essential for maintaining the proper function of cells and for responding to changes in the environment.
Vesicles also play a critical role in the process of exocytosis, which is the secretion of materials from the cell. In this process, secretory vesicles containing proteins or other molecules are transported to the cell membrane and then fuse with it, releasing their contents outside of the cell. This process is used by many cells, including neurons, to communicate with other cells or to release hormones or enzymes.Overall, vesicles are a critical component of cellular function, allowing cells to transport, store, and secrete a variety of materials in a controlled and efficient manner. That was a long answer.
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Related Questions
which of the following reactions provides the chemical energy for most cell functions?
a. ATP - P --- ADP
b. ATP + P --- ADP
c. ADP - P --- ATP
b. AFP + P --- ATP
Answers
Answer:
ATP - P ADP
Explanation:
Here is your answer! ^-^
ATP - P --- ADP provides the chemical energy for most cell functions.
What do you mean by chemical energy ?The bonds of chemical molecules contain energy. Exothermic reactions are those in which chemical energy is released during the reaction, frequently in the form of heat.
The energy in meals is transformed into energy that the body's cells can utilise during cellular respiration.
A new substance may form and energy may be released when the molecules of chemical substances react chemically.
Energy is transferred to ATP during cellular respiration, which transforms glucose and oxygen into carbon dioxide and water.
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In gout, both serum and synovial fluid will have increased levels of:
Answers
In gout, both serum and synovial fluid will have increased levels of uric acid.
Gout is a type of arthritis characterized by the accumulation of urate crystals in joints, which leads to inflammation and severe pain. Uric acid is a natural byproduct of purine metabolism in the body.
Normally, uric acid is dissolved in the blood and excreted through the kidneys. However, in individuals with gout, there is either an overproduction of uric acid or a decreased ability to excrete it, resulting in elevated levels in the bloodstream.
The excess uric acid can precipitate and form crystals in the synovial fluid, which is the lubricating fluid found in joints. These crystals trigger an inflammatory response, causing pain, swelling, and redness characteristic of gout attacks.
The deposition of urate crystals in the synovial fluid can be confirmed by analyzing the fluid obtained through joint aspiration.
Furthermore, since uric acid is elevated in the bloodstream, it is also reflected in the serum levels. Blood tests can measure the serum uric acid levels to aid in the diagnosis of gout.
Therefore, in gout, both serum and synovial fluid will have increased levels of uric acid, reflecting the underlying metabolic imbalance in purine metabolism.
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Which statement describes a histogram?
A.It shows a line of best fit
B.It shows how an independent variable affects a dependent variable.
c.It shows a frequency distribution
D.It shows data as a proportion of a whole
Answers
Answer:
c
Explanation:
Give one example of how weathering by wind could occur in nature.
Answers
Answer:
Wind and water cause small pieces of rock to break off at the side of a mountain. ... Example of erosion: Wind carries small pieces of rock away from the side of a mountain.
Carrying capacity is defined as the
number of individuals that
can support.
Answers
Answer:
an area ig ......its of species ... individual that species can support
what qualitative information can a high-resolution transmission electron microscope (hr-tem) reveal about a material? (check all that apply.)
Answers
A high-resolution transmission electron microscope (HR-TEM) can reveal several qualitative information about a material, including its crystal structure, lattice defects, grain boundaries, chemical composition, and the presence of nanoparticles or nanoscale features.
A high-resolution transmission electron microscope (HR-TEM) is a powerful tool for investigating the structure and properties of materials at the atomic scale. By using a focused electron beam to transmit through a thin specimen, HR-TEM can provide detailed qualitative information about the material under study.
Firstly, HR-TEM can reveal the crystal structure of a material. By analyzing the diffraction patterns produced by the electron beam interacting with the crystal lattice, researchers can determine the arrangement of atoms within the material.
Secondly, HR-TEM can identify lattice defects within a material. These defects include vacancies, dislocations, stacking faults, and other structural imperfections that can affect the material's mechanical, electrical, or optical properties. HR-TEM allows researchers to visualize and characterize these defects at high resolution.
Furthermore, HR-TEM can detect and analyze grain boundaries in polycrystalline materials. Grain boundaries are interfaces between adjacent crystalline grains and can significantly influence the material's properties. HR-TEM enables researchers to examine the structure and properties of grain boundaries, providing insights into the material's behavior.
Additionally, HR-TEM can provide information about the chemical composition of a material. By utilizing energy-dispersive X-ray spectroscopy (EDS) in combination with TEM, researchers can map and identify the elements present in the material, aiding in the understanding of its composition and elemental distribution.
Lastly, HR-TEM is capable of visualizing nanoparticles and nanoscale features within a material. The high-resolution imaging capability of HR-TEM allows for the observation and characterization of nanoscale structures, such as nanoparticles, nanotubes, and nanowires, providing valuable insights into their size, shape, and arrangement.
In summary, a high-resolution transmission electron microscope (HR-TEM) can reveal qualitative information about a material's crystal structure, lattice defects, grain boundaries, chemical composition, and the presence of nanoparticles or nanoscale features. This information is crucial for understanding the material's properties and behavior at the atomic and nanoscale levels.
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A fence lizard is shown in the image below.
The main defense of a fence lizard is camouflage, which only works as long as the lizard stays still. Unfortunately, fire ants, which kill fence lizards, are not fooled by camouflage. When attacked by fire ants, some fence lizards hold perfectly still. Other fence lizards twitch to free themselves from the ants, and then they run away.
Use the above information to complete the following sentences.
Twitching when attacked
increases
a lizard's chances of surviving fire ants. Twitching
decreases
a lizard's chances of hiding from other predators.
Answers
Answer:
a lizards chance of hiding from other predators if twitching decrees if not twitching increes
Explanation:
Answer:Twitching when attacked
increases
a lizard's chances of surviving fire ants. Twitching
decreases
a lizard's chances of hiding from other predators.
Explanation:
Identify the correct term for each definition.
a. the bottom chamber of both sides of the heart
b. the dome-shaped muscle at the base of the chest cavity that contracts and lowers to draw oxygen into the lungs, then relaxes and lowers to push carbon dioxide out
c. the liquid part of the blood
d. the protein that colors red blood cells and allows them to carry oxygen to the tissues
e. the passageway out of the body for urine
f. the top chamber of both sides of the heart
g. the tube that carries food to the stomach
h. the two branches of the windpipe that descend to the right and left lungs
i. muscles that operate completely outside of conscious thought
j. tiny blood vessels where pickup of wastes and delivery of oxygen and food takes place tiny filtering units in the kidneys
k. a waste product that is made up of leftover parts of used proteins and is high in nitrogen
l. urea and other waste substances that are collected in the bladder
Answers
a. the bottom chamber of both sides of the heart: Ventricles
b. the dome-shaped muscle at the base of the chest cavity that contracts and lowers to draw oxygen into the lungs, then relaxes and lowers to push carbon dioxide out: Diaphragm
c. the liquid part of the blood: Plasma
d. the protein that colors red blood cells and allows them to carry oxygen to the tissues: Hemoglobin
e. the passageway out of the body for urine: Urethra
f. the top chamber of both sides of the heart: Atria
g. the tube that carries food to the stomach: Esophagus
h. the two branches of the windpipe that descend to the right and left lungs: Bronchi
i. muscles that operate completely outside of conscious thought: Involuntary muscles
j. tiny blood vessels where pickup of wastes and delivery of oxygen and food takes place tiny filtering units in the kidneys: Capillaries
k. a waste product that is made up of leftover parts of used proteins and is high in nitrogen: Uric acid
l. urea and other waste substances that are collected in the bladder: Urine
a. the bottom chamber of both sides of the heart: The correct term is "ventricle." Ventricle refers to the lower chambers of the heart that pump blood to the lungs and the rest of the body.
b. the dome-shaped muscle at the base of the chest cavity that contracts and lowers to draw oxygen into the lungs, then relaxes and lowers to push carbon dioxide out: The correct term is "diaphragm." The diaphragm is a muscular sheet that separates the chest cavity from the abdominal cavity and plays a crucial role in the process of breathing.
c. the liquid part of the blood: The correct term is "plasma." Plasma is a yellowish fluid that forms the extracellular matrix of blood and contains various substances like water, electrolytes, proteins, hormones, and nutrients.
d. the protein that colors red blood cells and allows them to carry oxygen to the tissues: The correct term is "hemoglobin." Hemoglobin is a protein found in red blood cells that binds to oxygen in the lungs and transports it to the body's tissues.
e. the passageway out of the body for urine: The correct term is "urethra." The urethra is a tube through which urine is expelled from the bladder and exits the body.
f. the top chamber of both sides of the heart: The correct term is "atrium." Atrium refers to the upper chambers of the heart that receive blood from the veins before it is pumped into the ventricles.
g. the tube that carries food to the stomach: The correct term is "esophagus." The esophagus is a muscular tube that connects the throat (pharynx) to the stomach and is responsible for transporting swallowed food.
h. the two branches of the windpipe that descend to the right and left lungs: The correct term is "bronchi." Bronchi are the main air passages that branch off from the trachea (windpipe) and lead into the lungs.
i. muscles that operate completely outside of conscious thought: The correct term is "involuntary muscles." Involuntary muscles are muscles that are not under conscious control and are responsible for various automatic body functions, such as digestion, heartbeat, and breathing.
j. tiny blood vessels where pickup of wastes and delivery of oxygen and food takes place tiny filtering units in the kidneys: The correct term is "capillaries." Capillaries are the smallest blood vessels in the body that allow for the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues.
k. a waste product that is made up of leftover parts of used proteins and is high in nitrogen: The correct term is "urea." Urea is a nitrogenous waste product formed in the liver as a result of protein metabolism and is excreted in urine.
l. urea and other waste substances that are collected in the bladder: The correct term is "urine." Urine is a liquid waste product composed of water, urea, salts, and various other waste substances that are collected and stored in the bladder before being eliminated from the body.
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Which plant chemical hormone influences increased growth?
a. Auxin
b. Ethylene
Answers
Answer:
Auxin
Hope This Helps :))
Explanation:
A i hope this helps u men:)
What is an environment?
A.what we eat
B.everything that surrounds us
C.the water a fish swims in
D.the air we breathe
Answers
Answer:
B
Explanation:
the single cell formed from the union of two gametes, a sperm and ovum, is called a _____.
Answers
Answer:
zygote
Explanation:
Someone help pls (giving BRAINLIEST)
Answers
Answer:
B
Explanation:
Cellulose - creates cell walls
Enzymes - increase the rate for reaction
Cholesterol - makes the cell membrane's …
Glucose - stores genetic information
what is a DNA
what Dose DNA stand for
Answers
Answer:
it means DeoxyriboNucleic Acid
Answer:
Deoxyribonucleic acid
Deoxyribonucleic acid, more commonly known as DNA, is a complex molecule that contains all of the information necessary to build and maintain an organism. All living things have DNA within their cells. ... In other words, whenever organisms reproduce, a portion of their DNA is passed along to their offspring.
Explanation:
Hope It Help
describes how an organelle contributes to the ability of the cell to perform life functions?
Answers
Answer:
Cell organelles are small structures that exist within cells and perform specialized functions
Based upon the presence and absence of membrane cell organelles can be classified into three types:
Membrane less: Cell organelle that lack membrane for example ribosomes they are not bounded by any membrane. Single membraned: Cell organelle that are bounded by single membrane but they are only found in Eukaryotic cell. For example lysosome, Endoplasmic reticulum, lysosome, vacuole. Double membraned: Cell organelle that are bounded by double membrane. Example chloroplast and mitochondria, they are only present in eukaryotic cell.dmitri ivanovski discovered microorganisms so small they could not be seen with a microscope. these organisms are called:
Answers
Microorganisms so tiny they couldn't be seen under a microscope were found by Dmitri Ivanovski. These creatures are known as viruses.
A piece of nucleic acid that has been protein-coated is what makes a virus an infectious microbe. A virus cannot reproduce on its own; instead, it must infect cells in order to use the components of the host cell to create copies of itself.
A virus's main objective is to transfer its genome to the host cell so that it can be expressed by the host cell. A fully developed infectious virus is known as a virion.
However, viruses and cell-based life have several striking similarities. For instance, they have nucleic acid genomes and share your cells' genetic code. Like cell-based life, viruses can evolve and have a range of genetic variants. Viruses, therefore, seem to be in a "questionable" area even if they do not fit the criteria of life.
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Which is an abiotic factor that helps determine the characteristics of a biome?(1 point)
amount of biodiversity
amount of plant life
number of animal species
amount of precipitation***
How do the kapok trees of tropical rainforests compete for sunlight?(1 point)
They have large leaves.
They grow very tall. ***
They have deep roots.
They provide a habitat for animals.
Why does competition for food among animals in temperate forests increase in winter months?(1 point)
Cold temperatures cause many animals to migrate. ***
Cold temperatures cause many plants to become dormant.
Cold temperatures cause many plants to increase photosynthesis.
Cold temperatures cause many animals to store food.
Why do grasslands have few large trees?(1 point)
Large trees cannot survive the hot temperatures in a grassland.
Grasslands have a rocky terrain that does not allow trees to grow.
Tall trees need more water than the grasses, so they are only found near rivers and streams.
Grasses and flowering plants crowd out the larger trees. ***
Which animal will a photographer take a picture of in North American grassland?(1 point)
a buffalo***
a gazelle
a lion
an ostrich
Please check my answers, thank you
Answers
The answers include the following:
An abiotic factor that helps determine the characteristics of a biome is amount of precipitation.Kapok trees of tropical rainforests compete for sunlight by growing very tall.Competition for food among animals in temperate forests increase in winter months because Cold temperatures cause many animals to migrate. Grasslands have few large trees because Grasses and flowering plants crowd out the larger trees.The animal which a photographer will take a picture of in North American grassland is a Buffalo.What is an Abiotic factor?This is referred to as a non-living part of an ecosystem that shapes its environment and examples include rainfall, sunlight etc.
The amount of precipitation or rainfall helps to determine the characteristics of a biome such ad the plants and animals that will be present in such areas.
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¿Por qué piensas que existe la separación de poderes del Estado?
Answers
Answer:
El propósito de la separación de poderes es evitar la concentración de poder sin control y proporcionar frenos y contrapesos, en los que los poderes de una rama del gobierno están limitados por los poderes de otra rama, para prevenir abusos de poder y evitar la autocracia.
Explanation:
¡espero que esto ayude!
A plant (original) with purple flowers, straight stems, and smooth fruits was allowed to self-fertilize. From the resulting seeds, 1200 adult plants were obtained. The phenotypes of these offspring are: 534 purple flowers, straight stems and smooth fruits; 178 purple flowers, curved stems and smooth fruits; 144 white flowers, straight stems and smooth fruits; 141 purple flowers, straight stems and rough fruits; 81 white flowers, straight stems and rough fruits; 48 white flowers, curved stems and smooth fruits; 47 purple flowers, curved stems and rough fruits; 27 white flowers, curved stems and rough fruits a. Provide the most likely genetic explanation for these three traits.
Answers
Based on the given data, the three traits being considered are flower color (purple or white), stem shape (straight or curved), and fruit texture (smooth or rough).The most likely genetic explanation for these three traits is that they are controlled by multiple genes and exhibit incomplete dominance.
Incomplete dominance occurs when the heterozygous genotype results in an intermediate phenotype, which is a blend of the two homozygous phenotypes.
Here is a breakdown of the possible genotypes and phenotypes for each trait:
Flower color:
Purple (dominant): PP
White (recessive): pp
Intermediate (heterozygous): Pp
Stem shape:
Straight (dominant): SS
Curved (recessive): ss
Intermediate (heterozygous): Ss
Fruit texture:
Smooth (dominant): RR
Rough (recessive): rr
Intermediate (heterozygous): Rr
It is important to note that these genetic explanations are hypothetical and based on the assumption of incomplete dominance. The actual genetic mechanisms and interactions may be more complex and require further analysis or experimentation to confirm.
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What is the differences between gmo and transgenic cell?
Answers
Answer:
Differences between GMO and the Transgenic cell is given below:-
Explanation:
Genetically modified organisms (GMOs):-
Genetically modified organisms ( GMOs) are those species that used genetic engineering techniques to change their genomes. We have novel gene configurations which do not occur throughout the species' genetic variability. This may require the addition of genes or the silencing of the. GMO genes.Transgenic cell:-
Transgenic organisms represent a particular example of GMOs. They are when genome modification includes the genetic material from another species. Like GloFish, marine anemones have genes inserted in them and are thus called transgenic.SOMEONE I NEED HELP!! I'M STUCK 30 POINTS!!!!!
PART A
An advantage of mitosis is the result of genetically____________.
A. Different
B.Identical
PART B
cells being reproduced
A. slowly
B. Quickly
Answers
Part B : That question is worded weirdly so I don’t understand that.
Which of these is an example of an adaptation?
O A. A dog is trained to roll over on command.
O B. A horse breaks its leg while running.
O C. A camel has two rows of eyelashes to keep sand out of its eyes.
O D. A cat learns to eat from a bowl.
Answers
Answer:
C. A camel has two rows of eyelashes to keep sand out of its eyes
Hope this helps:)
Answer:
C camel
Explanation:
Prompt:
Based on the infomration in the passage, what will mostlikely happen to the finch population on the Galapagos Island if the large seed plants became
extinct? Use TWO details from the article to explain your claim.
I need a medium writing sentence PLEASE HELP ME OUT WITH THIS!!!
Answers
Finches of Daphne Major: In 1977, a drought on the Galápagos island of Daphne Major limited the amount of small seeds available to finches, leading to the demise of a large number of small-beaked finches.
What had happened to Galapagos finches to make them distinct from finches on the mainland?These birds possessed distinct beaks, although being almost identical to mainland finches in all other respects. To fit various niches on the Galapagos Islands, their beaks have evolved to the sort of food they consumed.
What led to a decline in the finch population?Due to the drought, there was significantly less food available for the finches, which caused a significant section of the population to perish from famine.
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Which event is NOT part of the process of DNA replication?
1.Ribosomes are synthesized.
2.Hydrogen bonds are broken.
3.Nitrogenous base pairs are formed.
4.A double-stranded molecule unwinds.
Answers
Explanation:
1 cuz we don't need that ,we need all of them exept number 1
Answer:
1. (Ribosomes are synthesized)
Explanation:
Ribosomes are only involved in the translation of mRNA to proteins. During DNA replication DNA helicase unwind the DNA double-strand by breaking hydrogen bonds between the two strands. DNA polymerase then replicates each strands using nucleotides complimentary of the replicating strands.
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Select all cell types below that can serve as antigen presenting cells.
Macrophages
B cells
Dendritic cells
Neutrophils
Eosinophils
Answers
Dendritic cells and macrophages are the two cell types that can serve as antigen presenting cells. These cells are critical components of the immune system and play a vital role in identifying and presenting foreign antigens to other immune cells, thereby initiating an immune response.
Macrophages are large white blood cells that engulf and digest foreign substances in the body. They can present antigens to other immune cells, including T cells, which then activate an immune response. Dendritic cells, on the other hand, are specialized antigen-presenting cells that play a critical role in initiating an immune response. They are found in tissues throughout the body and have a unique ability to capture and present antigens to T cells, which then activate other immune cells to attack the foreign invader.
In summary, macrophages and dendritic cells are the two cell types that can serve as antigen-presenting cells.They efficiently capture and process antigens, and present them to T cells to initiate adaptive immunity. In contrast, Neutrophils and Eosinophils are not considered antigen presenting cells, as their primary function is to combat infection and inflammation through phagocytosis and the release of cytotoxic granules.
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help pls'll give brainlest
Answers
Number the following stages of a star’s life in the correct order.
Heat and light are emitted because of nuclear fusion.
Formation of a white dwarf.
Formation of a red giant.
Gas and dust inside a nebula are drawn together.
The planetary nebula drifts away.
Answers
The correct order of stages of a star's life cycle is D, C, E, B, and A.
What is the life cycle of a star?A Star begins its life in a nebula. A nebula, or region of gas and dust in space, is where a star is born. When the gas and dust combine to form a protostar, it becomes extremely hot and eventually transforms into a main sequence star.
This phase, which can endure for billions of years, is when nuclear reactions take place and the star glows. This is the life cycle of a star.
Therefore, The correct order of stages of a star's life cycle is D, C, E, B, and A.
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What is the advantage of using STR?
Answers
The advantage of using STR (Short term-Rehabilitation) is that it enables for easy cross-laboratory comparison of results without binning.
Therapy is offered to those suffering from surgery, sickness, or an accident in short-term rehabilitation (STR). People who require short-term in-patient rehabilitation can typically continue participating in their programme at the healthcare facilities for a few days to several weeks.
Results from various laboratories may be easily compared without binning because to the identification of distinct alleles. Additionally, STRs can be used to type smaller amounts of DNA, including degraded DNA. A method for lowering the cardinality of continuous and discrete data is binning, also known as discretization. Binning reduces the number of distinct values by grouping similar values together in bins.
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what is the first one ? and what is the second one ?
Answers
ff- mother
i am pretty sure just learned it like 3 yrs ago if not then its the opposite
Which form of precipitation most likely occurs in the summer when cloud and air temperatures are above freezing?
OHail
ORain
O Sleet
O Snow
Answers
Answer:
The answer would be B. Rain
Explanation:
The term meaning toward the stomach side is ________ , and its opposite is ________ .
Answers
The term meaning toward the stomach side is "ventral," and its opposite is "dorsal." These terms are commonly used in anatomy to describe the position or direction of an organ or structure in relation to the body.
"Ventral" refers to the front or belly side of the body. For example, if we talk about the ventral side of a human, it would be the side facing the ground when the person is standing upright. Another example is the ventral side of a fish, which is its belly side.
On the other hand, "dorsal" refers to the back or upper side of the body. In the human body, the dorsal side would be the back, while in a fish, it would be the upper side. These terms are important in biology and anatomy as they provide a standardized way to describe the position of organs or structures in the body. Understanding these terms helps in communicating and studying the human body or other organisms.
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