Answer:
2. Constant and unique
Explanation:
The rate at which a parent atom creates daughter atoms is always constant and unique. The process of cell division is a unique occurrence that happens with eukaryotic cells. These parent atoms go through the different phases at a constant phase, but when interruptions in the divisions happen, mutations and abnormality in the cell will take place.
Which "letter" represents the "LIGAND" in the diagram below?
Answer:
Letter B.
Explanation:
The ligand is what binds to the receptor in cell signaling pathways. The receptor is pictured as A, and B is the molecule binding to it.
in step 1 of protein synthesis describe two of the differences between the DNA template and its complementary RNA molecule
Answer:Proteins are synthesised (made) by the ribosomes using messenger RNA transcribed from DNA in the nucleus.
Explanation:
In every eukaryotic cell, such as plants and animals, there is DNA in the nucleus. The nucleus is an area surrounded by a membrane (nuclear membrane) which has some pores for materials to enter and exit, but these are controlled. The DNA is the cell's instructions, it is a series of code that can be transcribed and translated to make proteins. As in the image below DNA is a series of bases attached to a sugar phosphate backbone and bonded to another base pair to made a ladder, this ladder is twisted making the shaped called a double helix . There are four base pairs: Adenine (A), Thymine (T), Guanine (G), and Cytosine (C). The bases have bases they bond to making complementary base pairs , A and T bond together while the C and G bond together. on each strand of DNA one end is labelled 5' (read as 5 prime) and other end is the 3'. The 5' end base pairs of one strand are always attached to the 3' end of the complementary strand. Labelling the ends helps us to describe in which direction DNA is read.
Some of the most important nutrients in the ocean include:
A. Nitrates, carbonic acid, and oxygen.
B. Carbon dioxide, oil, and gold.
C. Phosphate, phytoplankton, and potassium.
D. Phosphates, nitrates, and carbon
How color affects how solar energy is absorbed
Answer:
Darker colors absorb more sunlight than lighter colors
Explanation:
darker colors get warmer more quickly in the sunlight than lighter colors. The lighter colors reflect more of the sun's radiant energy, so they remain cooler to touch in the sunlight.
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Replicate the following (write the complementary DNA strand);
ATT ACG CGC
How fossils are formed? Explain (3)
Answer:
Fossils are formed from the remains of creatures that went extinct many years ago. Fossils form by sediment building up over a long time period. This sediment then compacts, turning it into a solid. This solid may be rock, sap, or mud.
Zandile set up the following apparatus to investigate how temperature affects transpiration rate what is the name of this apparatus
There is direct relationship between temperature and transpiration.
How temperature affects transpiration rate?Temperature plays an important role in the rate of transpiration. As the temperature increases, transpiration will increase due to warm air that change the state of water from liquid to gaseous state.
Potetometer is an Instrument that is used for measuring the Transpiration of water in plants.
So we can conclude that there is direct relationship between temperature and transpiration.
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Which organisms are likely to be found in level 1 of this diagram? Select the
two correct answers.
4
600
3
1550
Trophic Level
2
17000
1
340000
O A. Daisy
B. Tiger
O C. Algae
O D. Squirrel
O E. Rabbit
Answer:
Explanation:
Which organisms are likely to be found in level 1 of this diagram? Select the
two correct answers.
4
600
3
1550
Trophic Level
2
17000
Algae are the primary producer in the trophic levels. Therefore, option "C" is correct.
What are tropic levels?Tropic levels are the levels or steps in the food chain. In tropic levels, the energy is transferred to different levels through food produced by the lower levels. The source of nutrition varies in different food chains.
There are four types of tropic levels, first primary producers are the autotrophs which produce their own food. Second, are herbivores which consume the autotrophs also called primary consumers. Third are secondary consumers who are carnivores and fourth are the tertiary consumers who are also carnivores.
example: sun, plants, deer, and tigers.
Tropic levels play a key role in understanding the flow of energy.
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Tyrannosaurus rex Description of adaptations an organism had that allowed it to survive in the past environment.
Adaptation gives an organism the ability to survive in a particular location.
What is adaptation?Adaption is the ability of an individual or organism to live and survive in an environment.
There is competition in the environment but the ability an individual to survive despite the competition is adaptability.
Therefore, Adaptation gives an organism the ability to survive in a particular location.
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How does diversification affect the population?
1. Diversification affects the population because people are living longer.
2. Immigrants do not count as part of the population.
3. The number of immigrants coming into the United States greatly affects the population.
4. People are have fewer children.
Explain how Koppen’s climate system classified climates.
NEED HELP ASAP!
Answer:
The Koppen-geiger system uses colors and shades to classify the world into five climate zones based on criteria like temperature, which allows for different vegetation growth. The Köppen climate classification system categorizes climate zones throughout the world based on local vegetation.
What are some reasons organisms need nitrogen
Answer:
It is an important part of many cells and processes such as amino acids, proteins and even our DNA. Nitrogen is used to construct the basic building blocks of life, such as amino acids, nucleic acids, and proteins.
Explanation:
50 POINTS!!!! The following diagram shows the branching tree for four kingdoms and some of their shared derived characteristics.
What shared characteristic can be written at point X? Use complete sentences to explain your answer.
Answer:
Heterotrophs
Explanation:
Protists, plants, fungi and animals alike have heterotrophic cells. This meaning they depend on organic molecules for energy as opposed to plants that can make their food from abiotic factors.
What are the three reasons why cells divide? What are the chromosome number in diploid and haploid cells? What are the phases of mitosis? What are the phases of the cell cycle?
Answer:
What Are the 3 Reasons Why Cells Divide?
•Repair of damaged tissue.•Growth of an organism.•Replace old and dying cells.What are the chromosome number in diploid and haploid cells?
•Humans have 46 chromosomes in each diploid cell. Among those, there are two séx-determining chromosomes, and 22 pairs of autosomal, or non-séx, chromosomes. The total number of chromosomes in diploid cells is described as 2n, which is twice the number of chromosomes in a haploid cell (n).What are the phases of mitosis?
•Mitosis is understood to involve five phases, based on the physical state of the chromosomes and spindle. These phases are prophase, prometaphase, metaphase, anaphase, and telophase.What are the phases of the cell cycle?
The cell cycle is composed of interphase (G₁, S, and G₂ phases), followed by the mitotic phase (mitosis and cytokinesis), and G₀ phase.Explanation:
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If the water temperatures increase in the estuary, oxygen levels would _____.
A: decrease
B: increase
C: stay the same
Almost 225 soccer fields can fit in one square mile . Approximately how many could you have to yourself if you lived in a region containing 25 people per square mile ? Or 100 people per square mile ?
(a) The size of the soccer field you can have to yourself if you leave in a region containing 25 people per square mile is 9 fields.
(b) (a) The size of the soccer field you can have to yourself if you leave in a region containing 100 people per square mile is 2.25 fields.
Size of soccer field to yourself
The size of the soccer field you can have to yourself if you leave in the given regions is calculated as follows;
For 25 people per square mileSize per person = (225 field/mi²) / (25 persons/mi²)
Size per person = 9 field per person
For 100 people per square mileSize per person = (225)/100
Size per person = 2.25 field per person
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A man who heavily smokes has developed lung cancer. The tobacco smoke has caused mutations in some of the cells in his lungs, making them unable to stop reproducing and dividing. He is worried that his children, none of whom smoke, may have inherited the lung cancer from him. Under what circumstances might his concern for his children be justified? If his smoking had already mutated the DNA in the cells in his lungs at the time his children were conceived, the mutations would have been passed to his children. If he inherited a mutation which made him more susceptible to lung cancer, it may have been present in some of the gametes he produced and passed to his children. If the mutation resulted from the duplication of a gene in his lung cells, his children would be at greater risk than if it were caused by a base pair substitution. If the smoke had caused multiple different mutations in his lung cells, it would be more likely that one or more of the mutations would be passed to his children.
Answer:
The correct answer is "If he inherited a mutation which made him more susceptible to lung cancer, it may have been present in some of the gametes he produced and passed to his children".
Explanation:
trust
What uses the MOST amount of energy?
A: Reduce
B: Reuse
C: Recycle
D: Throw away
Answer: Recycle
Explanation:
Recycle is the hardest procces, you need to heat up much of the plastic, paper, or glass to make a single vase. Paper needs to be kept for a lon time to dry when reused.
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What resources do scientist use to predict when and where future natural hazards may occur?
Answer:
See below ~
Explanation:
Scientists map natural hazards caused by catastrophic events to predict future events. They use many forms of technology as well such as :
weather tracking technologydoppler radarfor collection of dataYou are assigned with the task of comparing the United States with Canada. Your
primary concerns are patriotism, college and career readiness, crime rates, wealth,
cultural norms and values. Which social institution would best help you with your
research?
a- Family
b-Religion
c-Education
d- Economics
Which choice best summarizes the outcome of Redi’s experiment?
Redi precisely defined the word living.
Redi disproved spontaneous generation.
Redi showed that flies come from rotting meat.
Redi showed that living things can come from nonliving things.
Answer:
Redi disproved spontaneous generation.
Explanation:
CARRY ON LEARNING
Answer: (B) Redi disproved spontaneous generation.
Explanation: EDGE 2022
Explain why clouds are more likely to form at higher elevations. (Use the terms relative humidity and dewpoint in your answer)
Answer & Explanation:
At higher elevations, water condenses from the air and produces clouds, which often blanket lofty peaks and completely obscure them. As the clouds get saturated with moisture, rain and snow fall. The precipitation, when combined with the strong winds, results in frequent stormy weather.
You can use this app Kleki to draw it pls helpp ill mark bainliest
Answer:
here you go
Explanation:
Surface weather map activity
Anyone ever done this I never understood how to map it
Answer:
Scientists needed a way to convey as much information as possible without making a map completely unreadable. Enter the station plot, an ingenious way to print lots of information in a tiny space. It takes a bit of deciphering to understand, but once you’ve got the hang of it, you can get the gist of a specific location’s weather
Explanation:
What would probably happen if something killed all the
producers in the area?
Name the three hormones that are involved in the stress response and identify their function.
Answer:
cortisol, catecholamines and thyroid hormone
Explanation:
trust
Answer:
Three hormones are adreenalin, cortisol, and your thyroid hormone.
Explanation:
Adrenaline is what gives you energy, cortisol is your prime stress hormone and the thyroid hormone slows when you are stressed. I hope this helps! :)
Red apple weighs 245grams green one weighs 167grams which one more attracted to the earth
Answer:
the Red apple weighs is more than the green one soo,the Red apple is more attracted to the earth
3/ The trophic levels in ecosystem are labeled as A, B and C
3
Heat
Heat
B
A
Consumers
Sun
Producers
с
Decomposers
Inorganic
Nutrient
Pool
Heat
Which option is correct about the trophic levels?
A The Chas more energy available to it than the B. B. The C uses cellular respiration to obtain energy.
C. The A builds simple compounds from complex D. The B are the most essential components of the
units
ecosystem
Answer:
Explanation:
3/ The trophic levels in ecosystem are labeled as A, B and C
3
Heat
Heat
B
A
Consumers
Sun
Producers
с
Decomposers
Inorganic
Nutrient
Pool
Heat
Which option is correct about the trophic levels?
A The Chas more energy available to it than the B. B. The C uses cellular respiration to obtain energy.
C. The A builds simple compounds from complex D. The B are the most essential components of the
How do index fossils help scientists establish how old rocks and other fossils are? In your
answer, include fossils in the same layer of rock, in a lower layer of rock, and in a higher
layer of rock compared to an index fossil.
Answer:
Index fossils are fossils of organisms that lived during only one short period of time. A layer rock with an index fossil in it is close in age to another layer of rock with the same type of index fossil in it. Even though rock layers are of different regions, index fossils indicates that the layers are close in age.
Explanation:hope its help
which of the following is a result of the Montreal Protocol and it’s implementation?
A. Chlorofluorocarbons are now put only into aerosol cans
B. Fewer aerosol cans are now produced
C. Chlorofluorocarbons are now used as refrigerants
D. The global carbon footprint increased
A result of the Montreal Protocol and it’s implementation is fewer aerosol cans are now produced.
What is the Montreal Protocol?The Montreal Protocol is an international agreement in which the countries which a signatories agreed to minimize the use of substances that deplete the ozone layer.
Hence, a result of the Montreal Protocol and it’s implementation is fewer aerosol cans are now produced.
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