Answer:
Cells are the basic unit of a living organism and where all life processes are carried out. Animal cells and plant cells share the common components of a nucleus, cytoplasm, mitochondria and a cell membrane. Plant cells have three extra components, a vacuole, chloroplast and a cell wall.
Answer:
Plant cells are eukaryotic, which means that they contain a distinct nucleus. Plant cells have three unique structures which set them apart from other eukaryotes, such as animal cells: the cell wall, plastids, and vacuoles. Plant cells are microscopic in size (on the order of 0.01 to 1.0 mm.)
Animal cells are the basic unit of life in organisms of the kingdom Animalia. They are eukaryotic cells, meaning that they have a true nucleus and specialized structures called organelles that carry out different functions.
Explanation:
A plant cell contains a large, singular vacuole that is used for storage and maintaining the shape of the cell. In contrast, animal cells have many, smaller vacuoles. Plant cells have a cell wall, as well as a cell membrane. The animal cells simply have a cell membrane and cell wall.
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With today's technology how else can you disprove the theory spontaneous generation?
Answer:
Religion, philosophy, and science have all wrestled with this question. One of the oldest explanations was the theory of spontaneous generation, which can be
Explanation:
In the food web shown below, which of the organisms can be classified as a producer?
Answer: The plants
Explanation: Because the producers get their energy from sunlight
Answer:
Wheat; Plant; Flower (the bottom three)
Explanation:
Plants are producers that create their own food and are food for other organisms.
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How do the variations of traits like PTC tasting
and tongue rolling compare to ones like height
,eye color and skin color?
AND I WILL GIVE BRAINLIEST
U NEED TO WRITE WHERE THE STAR TYPE ON THE NOTHING SHEET
AND NO LINKS! WILL REPORT IT
DONT JUST USE THIS AS FR/EE POINTS (49 P0INTS) I REALLY NEED HELP
Im learning about stars and galaxies where there are different types of stars: red supergiant's, Red Giants, Blue Giants, white dwarfs, and Main Sequence.
I dont understand this either, but i will recommend you to contact your teacher if you're in virtual school but if you go face-to-face I would still ask my teacher.
Hope this helped, and have a wonderful day :)
true or false: A spider web is considered a biotic factor
A. True
B. False
Answer:
B. False
Explanation:
spider web is not a living thing
It is false that the spider web is basically considered a biotic factor.
What are biotic factors?A living thing that alters its surroundings is referred to as a biotic factor. Examples of organisms found in a freshwater habitat include algae, fish, amphibians, and aquatic plants.
A particular ecosystem is the result of the interaction of biotic and abiotic components.
Animals, plants, fungus, bacteria, and protists are examples of biotic factors. Water, soil, air, sunlight, temperature, and minerals are some abiotic examples.
All the organisms in the ecosystem have a relationship with biotic variables. The biological byproducts they produce and their presence alter an ecosystem's structure.
All living things, including people, fungi, and bacteria as well as animals and plants, are considered to be biotic factors.
Abiotic elements are those that are not living, such water, soil, and atmosphere. In an ecosystem, how these elements interact is crucial.
Thus, the given statement is false.
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help please........
Answer:
for
1.structure of nucleotide:
phosphate :
DNA -nucleic acid
RNA- nucleic acid
Monosaccharides:
DNA- deoxyribose sugar.
RNA- ribose sugar.
Nitrogenous base:
DNA-Adenine ,Guanine ,Cytosine,
Thymine.
RNA-Adenine ,Guanine ,Cytosine, uracil.
2. structure of the molecule:
DNA- double stranded
RNA-Single stranded
3. Functions:
DNA-replicates and stores genetic information
RNA-converts the genetic information contained within DNA to a format used to build proteins, and then moves it to ribosomal protein factories.
Which is a component of cell theory?
A: cells come from bacteria
B: cells come from cells
C: cells come from nonliving matter
D: cells come from non-cells
Answer:
B: cells come from cells
Explanation:
A component of the cell theory is that all new cells arise from existing cells
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1. If x and y vary inversely and x=3 when y=8, find y when x=4*
Oy=12
Oy=6
Oy=5
y=2
If x and y vary inversely and x=3 when y=8, then y will be 6 when x=4. Therefore, option (B) is correct.
What is the value of Y?If x and y vary inversely, it means that their product remains constant. Mathematically, we can write this as x * y = k, where k is a constant.
We are given that x = 3 when y = 8. Using the formula above, we can find the value of k:
x * y = k
3 * 8 = k
k = 24
Now we need to find y when x = 4. Again, using the formula above:
x * y = k
4 * y = 24
y = 6
Therefore, the option is Oy=6.
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Why does Isaac Newton's work finally confirm the heliocentric model? ANSWER QUICKLY!!!! I will give you BRAINLEST
Answer:
The answer is by proving that gravity and inertia working together explained the motions of planets and their moons.
Explanation:
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What type of relationship exists between the snake and the shrew?
A. competition
B. predation
C. parasitism
D. mutualism
What is the activation energy. Ea for this reaction? Show your work?
Answer:
The activation energy depends on reactive species.
Explanation:
The minimum amount of energy required by the reacting species in order to start a specified reaction is called activation energy. Without activation energy, the reaction can be started so activation energy is very important for occurring of a chemical reaction. There are different amount of activation energy is needed to start different chemical reactions so we can conclude that activation energy depends on the type of reactive species and on the reaction.
is a carbohydrate organic, inorganic, or ionic?
Answer:
the answer to this is organic
2. Which structure should you look for in the image to decide if it is a prokaryotic
or a eukaryotic cell?
A. Cell Membrane
B. Cell shape
C. Nucleus
D. DNA
Label the image: Word Bank: Enzyme, Active Site, Substrate, Induced Fit, Reaction, Product.
Answer:
Label then as per the numbers I have given in the picture
EnzymeActive SiteSubstrateInduced FitReactionProduct3. Hover your mouse over the atmosphere and a pop-up window will appear. Answer
these questions:
a. What are the primary gases in our atmosphere?
b. What 3 greenhouse gases are found in our atmosphere?
Answer:
a. Oxygen, nitrogen, and argon
b. Carbon dioxide, methane and nitrous oxide
name:
country his from:
what did he invent:
Explanation:
i think he is from england
The gene for curled ears (C) is dominant over the gene for straight ears (c). If a cat with curled ears (Cc) and a cat with straight ears (cc) are crossed, what percentage of the offspring are expected to express the dominant trait, curled ears?
25%
50%
75%
100%
Answer:
25%
Explanation:
Although the trait "Curled ears" is dominant, it can be inferred that there is a 25/75 ratio of curled and not curled. Therefore, the dominant trait is overpowered and it becomes more likely for the recessive trait to show.
1.How Can You Classify Single-Celled Organisms?
Some of the oldest and most common organisms on Earth consist of only one cell. These single-celled, or unicellular, organisms display all of the characteristics of living things. You might think that all unicellular organisms are very similar, but this is not the case. These fascinating creatures are extremely diverse.
What characteristics do you think could be used to classify different kinds of single-celled organisms?
Answer:
Explanation:
Unicellular organisms fall into two general categories: prokaryotic organisms and eukaryotic organisms. All prokaryotes are unicellular and are classified into bacteria and archaea. Many eukaryotes are multicellular, but many are unicellular such as protozoa, unicellular algae, and unicellular fungi.
For a planet orbiting the sun, rprp is the distance from the sun to the perihelion and rara is the distance from the sun to the aphelion. What is a planet’s orbital eccentricity if rp is equal to 0.45ra0.45ra?
A. 2.64
B. 0.38
C. 0.55
D. 1.45
Answer:
1.45
Explanation:
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An EMT reaches the scene of a car accident, disinfecting and dressing a man's head wound that has been bleeding profusely. Upon taking off his bloodied latex gloves, he notices that a shard of window glass has penetrated one glove and cut is palm. Years later, long retired after a second career as an accountant, he is surprised to discover that he has liver cancer. Thinking back, he recalls having received both hepatitis vaccines available at the time of the exposure, and guesses that he may most likely have been exposed to __________.
Answer: hepatitis C.
Explanation:
Based on the information given in the question, it's most likely that the person has been exposed to hepatitis C.
Hepatitis C is an infection that is caused when a virus attacks the liver which leads to the inflammation of the liver. Since the person reaches the scene of a car accident, it's possible that the EMT got in contact with the contaminated blood. In this case, he most likely have been exposed to hepatitis C.
20 points
Why is an imbalanced high population of moose on the island seen as a
problem? *
If the moose population continues to grow, they will run out of space on the island and
take over the wolf niche.
If the moose population is unchecked, the local balsam fir population will be
decimated, leaving a barren ecosystem.
It was not seen as a problem; science believes we should let the ecosystem run its
course and dies out.
It was not seen as a problem because the absence of wolves on the island ensured
the future of the ecosystem.
Answer:
If the moose population is unchecked, the local balsam fir population will be decimated, leaving a barren ecosystem.
Explanation:
The imbalanced high population of moose on the island seen as a problem because it decreases the local balsam fir population which is a major food source for the moose in the winter season. If the population of moose is grow higher then the scarcity of food sources occurs and the food source will be eliminated from that ecosystem. If the moose population increases the local balsam fir population will be eliminated from the ecosystem and the land will remain barren or without vegetation.
The human digestive system is approximately 900 cm long. Food is moved through the digestive tract primarily by
Answer:
El tubo digestivo mide aproximadamente once metros de longitud, se inicia en la cavidad bucal y terminan en el ano.En la boca empieza propiamente la digestión, los dientes trituran los alimentos y las secreciones de las glándulas salivales los humedecen e inician su descomposición química transformándose en el bolo alimenticio.
Explanation:
1) What is the process of making mRNA from DNA called? 2) What is the process of making a protein from mRNA called?
Answer:
1. transcription
2. translation
Vaccines are given to provide protection against pathogen causing infections. Which of the following statements best describes how vaccines work
Answer:
An inactivated or killed virus stimulates the body to develop specific immunity to that type of virus.
That is what a vaccine is.
Answer: “An inactivated or killed virus stimulates the body to develop specific immunity to that type of virus.”
Explanation: I took this test and got this answer correct.
Humans maintain a constant body temperature by using __
Answer:
The hypothalamus helps keep the body's internal functions in balance. It helps regulate: Appetite and weight. Body temperature
Explanation:
Answer:
Hypothalamus or the dermis
Explanation:
Our internal body temperature is regulated by a part of our brain called the hypothalamus. The hypothalamus checks our current temperature and compares it with the normal temperature of about 37°C. If our temperature is too low, the hypothalamus makes sure that the body generates and maintains heat.
which item has more friction?
A. 31 cm
B. 26 cm
Answer:b
Explanation:
Answer:
b
Explanation:
11. Punnett squares can also be used to predict genotypes of the parents. A guinea pig with short hair is crossed
to one that has long hair. Over a period of years, a scientist keeps records of the offspring and finds that 44 of
them have curly hair and 46 of them have straight hair. Based on this data, what are the genotypes of the parents:
х
Show the Punnett square of this cross to explain your reasoning.
Answer:
Ss × ss
Explanation:
This question involves a single gene coding for hair length in guinea pigs. The alleles for short hair (S) is dominant over that of long hair (s).
According to this question, a guinea pig with short hair (S_) is crossed to one that has long hair (ss) to produce offsprings that have 44 short hair and 46 long hair. This number of offsprings produced indicate a ratio of 1:1, which can only be produced if the short haired guinea pig is heterozygous i.e. Ss.
Therefore, the genotype of the parents are Ss (short hair) and ss (long hair) i.e. Ss × ss. This combination will produce offsprings with the following proportion: Ss (1) : ss (1).
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Answer:
sure
Explanation:
whats the question?
In 1996, the World Trade Organization (WTO) ruled that the U.S. Environmental Protection Agency (EPA) regulation calling for cleaner gasoline discriminated against foreign producers and violated WTO agreements. The EPA was forced to rewrite the rule to allow for dirtier gasoline. What effect did this revision likely have on world trade?
A. The revision probably increased world trade because gasoline that previously couldn't be sold in the United States was then allowed to be sold there. B. The revision probably increased world trade because gasoline that
previously couldn't be sold in the United States was made to meet
a higher environmental standard.
C. The revision probably decreased world trade because gasoline that previously couldn't be sold in the United States had to be sold in other countries.
D. The revision probably decreased world trade because gasoline that previously couldn't be sold in the United States was then allowed to be sold there.
Answer: It's D.
Explanation:
I just did it
Answer:
A
Explanation:
I just took the quiz
The result of this glacial action will be a
Answer: A
Explanation: