Cells can best be described as the fundamental units of life. They are the building blocks of all living organisms, including plants, animals, and even microorganisms.
Here are some key characteristics that describe cells:
1. Structure: Cells have a defined structure with a plasma membrane that separates the internal components of the cell from the external environment. Inside the cell, there is a variety of organelles, such as the nucleus, mitochondria, and ribosomes, each playing a specific role in cell function.
2. Function: Cells carry out various functions necessary for life. They perform metabolic processes, such as respiration, photosynthesis, and protein synthesis. Cells also maintain homeostasis, which involves regulating internal conditions to keep the cell functioning optimally.
3. Reproduction: Cells have the ability to reproduce. They can divide and create new cells through processes like mitosis and meiosis. This ensures the growth, development, and repair of tissues and organs.
4. Genetic Material: Cells contain genetic material in the form of DNA (deoxyribonucleic acid). DNA carries the instructions for cellular activities and determines the characteristics of an organism. It is organized into genes, which are passed on from one generation to the next.
5. Specialization: Cells can be specialized to perform specific functions within an organism. For example, muscle cells contract to enable movement, while nerve cells transmit electrical signals for communication. This specialization allows multicellular organisms to have different cell types that work together to maintain overall function.
Overall, cells are the basic structural and functional units of life. They are responsible for all the processes necessary for an organism's survival and are crucial for maintaining life's complexity and diversity.
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How does the Golgi Body and Plasma membrane work together ?
Answer/Explanation:
The Golgi body is a system of flattened sacs that is involved in the packaging, modification, and transport of proteins. It is particularly important for proteins that have to be transported outside of the cell.
Proteins from the Golgi that are to leave the cell are transported in vesicles. When they reach the membrane, the vesicles fuse with it and release the proteins outside of the cell
what element has fewer valence electrons than magnesium
An earthworm turns away from light
its called Photophobia
surface area of 1x1x8
Answer:
What's the surface area of 1x1x8?
Explanation:
34 feet squared! Hope that helps.♡
Answer:
34 feet squared
Explanation:
explain how animal cells differ from plant cells with respect to the effects of net water movements
Answer:
Terms in this set (4) Animal cells do not have a cell wall, meanwhile plant cells do have a cell wall. As a result, water passes freely in an animal cell due to osmosis. In a hypotonic solution, there is more free water outside the cell than inside the cell.
Abiotic factors of an ecosystem can include ?
Answer:
Abiotic factors are the non-living parts of the environment that can often have a major influence on living organisms. Abiotic factors include water, sunlight, oxygen, soil and temperature.
Help Please
What is the chemical reaction of carbon dioxide (or an example of a chemical reaction of carbon dioxide)
Also, does carbon dioxide create a reactant or product?
Answer:
co2 reacts with hydrogen in a reversible reaction to form carbonic acid
Explanation:
if u want the equation lem me know
How are DNA and proteins related
Answer: Carry out these functions, DNA sequences must be converted into messages that can be used to produce proteins, which are the complex molecules that do most of the work in our bodies. Each DNA sequence that contains instructions to make a protein is known as a gene
Answer:
The significance of DNA is very high. The gene's sequence is like a language that instructs cells to manufacture a particular protein. An intermediate language, encoded in the sequence of Ribonucleic Acid (RNA), translates a gene's message into a protein's amino acid sequence. It is the protein that determines the trait.
Explanation: hope that helps
what is geological uplifting
Answer:
ereee
Explanation:
weqwe
With as much as detail as possible, give another example of an analogy for describing the difference between prokaryotic cells and eukaryotic cells
i have pdf of differences if you want i can send you
why do food chains in an ecosystem rarely contain more then five organisms
Why do food chains in an ecosystem rarely contain more than five organisms? ... Nutrients are lost from the ecosystem when organisms die. The conversion of food into growth by an organism is not very efficient. Energy is recycled by the decomposers back to the producers.
How many protons are in a atom
describe the food chain plant& grasshopper snake _______
Answer:
plant-grasshopper-snake-Eagle
MAKING BRAINLIEST, THANKS AND FIVE STARS TO CORRECT ANSWER!! PLZ AND THANK YOU. HAVE A GREAT DAY :D
A sperm cell joins with an egg cell during:
fertilization
pollination
mitosis
growth
Answer:
Fertilization !!
Explanation:
When the egg and sperm cells combine in fertilization, they merge the two sets of chromosomes.
Hope i helped :)
Geese fly in a v-like formation when migrating. Which statement is evidence that supports advantages of this group behavior? (4 points)
A) Birds can work together to find food and shelter.
B) Birds conserve energy and reduce wind resistance.
C) Birds need to move faster to avoid being seen by predators.
D) Birds can compete for mates when they fly together.
Answer:
B
Have a nice day :D
Birds conserve energy and reduce wind resistance when they fly in V-like formation.
Why Geese fly in a V-like formation?Flying in a v-like formation allows geese to conserve energy and reduce wind resistance as they migrate. The lead goose breaks the wind for the rest of the group, which allows the other geese to fly more efficiently and use less energy. This group behavior helps the geese to cover long distances during migration, as they are able to fly for longer periods of time without tiring.
The other options do not provide evidence of advantages of this group behavior. Option A) may be true, but it is not specific to flying in a v-like formation. Option C) is not necessarily related to group behavior, as geese may need to move faster for other reasons. Option D) is not relevant to the topic of migration.
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Please answer this.. please
Answer:
10.8 amu
Explanation:
11 * 0.80 = 8.8 (11 represents ion, 0.80 represents %)
10 * 0.20 = 2 (10 represents ion, 0.20 represents %)
8.8 + 2 = 10.8 amu
The respiratory system controls __________, and the circulatory systems controls __________. (5 points)
antibodies; digestion
breathing; blood flow
muscles; bones
nerves; senses
Answer:
respiratory- breathing
Circulatory- blood flow
Explanation:
How are these genes related?
how does the ph of soil affect plant growth experiment of a succulent plant (plz help)
2. Salt in soil may affect plant growth.
Formal Hypothesis:
Answer:
if salt is present in the soil, then plants will not grow as tall
Explanation:
hypothesis' are just if ___ then ___ statements. it doesn't matter if it's correct, you just have to be confident. so, as long as you don't use probably, maybe, might, etc, and stick to the if __ then __ format, you should be good to go!
How does the Gulf Stream affect weather in the United States? A. It brings cooler temperatures from the poles. B. It brings cooler temperatures from the tropics. C. The warm surface currents help create storms and fog. D. The cool surface currents produce cooler weather and fog.
Answer: C. The warm surface currents help create storms and fog.
Explanation:
The gulf stream can be defined as strong ocean currents that brings about the warm wind currents from the oceanic water of the gulf of Mexico to the eastern coastal areas of the United States. These wind currents bring warm weather conditions in the United States. The strong wind currents can also cause storms and fog in the coastal areas of the United States.
CO₂ is an example of a compound. True or false?
Answer:
True
Explanation:
Carbon dioxide, CO2, is a chemical compound composed of two oxygen atoms covalently bonded to a single carbon atom. It is exhaled by animals and utilized by plants during the process of photosynthesis.
Which process occurs within the mitochondria?
lactic acid fermentation
alcohol fermentation
glycolysis
Krebs cycle
The correct answer is D i.e. krebs cycle occurs in mitochondria.
what is mitochondria?
Mitochondria are membrane-bound cell organelles (mitochondrion, singular) that generate most of the chemical energy needed to power the cell's biochemical reactions. Chemical energy produced by the mitochondria is stored in a small molecule called adenosine triphosphate (ATP)
what is krebs cycle?
The tricarboxylic acid (TCA) cycle, also known as the Krebs or citric acid cycle, is the main source of energy for cells and an important part of aerobic respiration. The cycle harnesses the available chemical energy of acetyl coenzyme A (acetyl CoA) into the reducing power of nicotinamide adenine dinucleotide (NADH).
it is a closed cycle which produce 8 intermediates which are;-
CitrateIsocitrateOxoglutarateSuccinyl-CoASuccinateFumarateMalateOxaloacetate (oxaloacetic acid)To know more about krebs cycle here
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what is the parts of earths atmosphere help ill give brainliest *URGENT*
I WILL GIVE YOU BRAINLIEST!!!!
Part A
Which statement is a central idea of the text?
The scientific method is based on observations.
The scientific method is based on reading scientific journals.
Scientists generate guesses in the scientific method.
Variables are sometimes used in the scientific method.
Question 2
Part B
Which detail from the text best supports the answer in Part A?
Conditions change in different experiments.
Experiments produce evidence for scientific ideas.
Hypotheses are ideas about what might happen.
Scientists share their results in journals and papers.
Answer:
A, D
Explanation:
A sandwich shop sells 4 veggie subs for every 5 turkey subs. The shop sold 27 subs today. How many of each kind did they sell? i need help plz !!!!!!!!!!!! due 1:00
Answer:
3 each
Explanation:
The question said 4 veggie subs for every 5 turkey subs.
So every time 5 turkey subs were sold it lead to the increase of both
What does lemon juice, snake venom and cyanide have in common?
Answer:
enzymes are protein molecules that act as catalysts, speeding up chemical reactions without themselves getting used up. Each enzyme will only speed up a specific reaction, for example, catalase will speed up the decomposition of hydrogen peroxide into water and oxygen but it will not speed up the breakdown of starch into glucose. Enzymes (e.g. catalase) have active sites with specific shapes that bind to the substrate molecule (e.g. hydrogen peroxide) forming an enzyme-substrate complex. The enzyme-substrate complex then breaks down into the enzyme and product, allowing the enzyme to go on and react with another substrate molecule. Temperature and pH affect enzyme function because they can change the shape of the enzyme’s active site, preventing it from binding to the substrate, just as a broken lock will no longer fit the key. When the shape of an enzyme changes we call this denaturation. Any factor that increases the frequency of collisions between enzymes and substrates (increasing concentration, surface area or temperature) will increase the rate of reaction.
Explanation:
What lemon juice, snake venom and cyanide have in common is hat they are all acidic substances.
An acidic solution is a solution that contains hydrogen ions as its only positive ion in solution. Acidic substances have a sour and turn blue litmus paper red.
What lemon juice, snake venom and cyanide have in common is hat they are all acidic substances.
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Which of the following is the most obvious type of problem that could be caused by inadequate sewage treatment?
1.Acid Rain
2.Noise pollution
3.Radioactivity
4.Water pollution
Answer:water pollution
Explanation:
 which statement is true about cell wall but not a cell membrane?
a. it forms the outer layer of the cell
b. it gives an animal cell shape
c. it is selectively permeable
d. it is mostly of cellulose
The Gulf Stream is a surface current in the Atlantic Ocean that flows northward from the Caribbean Sea and the Gulf of Mexico. It feeds another current that reaches northern Europe. Which of these events would cause the greatest changes to the path and strength of the Gulf Stream?(please help)
A. a strong earthquake that occurs on the floor of the Atlantic Ocean
B. an increase in the volume of river water that flows into the Gulf of Mexico
C. a reversal of direction in the prevailing winds over the Atlantic Ocean
D. a slight increase in the salinity of the Atlantic Ocean
Answer:
It constitutes the northeastward extension of the Gulf Stream; the latter issues from the Gulf of Mexico and gradually emerges as the North Atlantic Current in mid-ocean. It is composed of several broad currents with speeds of about 0.2 knots, as compared with the Gulf Stream's rather concentrated flow at 1 to 6 knots.
Explanation:
Answer:
B. an increase in the volume of river water that flows into the Gulf of Mexico