Answers
Answer:
25 billon
Explanation:
doing same thing.
Answer:
C
Explanation:
Related Questions
slicon it position on the periodie table and its chemical properties based on that position
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how are elements in the group in the periodic table alike?
Answers
What are the organelles that transport, store and recycle resources within the cell?
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If helped mark me the brainiest. Need more clear explanation comment.
Plz helps very quickkck
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Primary Consumers
___________
Bart has to babysit Maggie for several nights in a row during summer vacation and makes a bet with that Taylor Swift music will get Maggie to Bart gets out the CD collection and when Maggie cries the first night, he plays The second time he plays /DC and rocks out, but she doesn't stop crying. The third time he plays Taylor Swift. When he plays Taylor Swift, Maggie immediately and starts to smile. What is the independent variable? What is the dependent variable? What is the hypothesis?
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Answer:
independent variable: the cd Bart plays
dependent variable: whether Maggie stops crying
hypothesis: if Bart plays Taylor Swift, then Maggie will stop crying.
in what cell organelle does photosynthesis occur?cellular respiration?
Answers
Photosynthesis occurs in chloroplasts and cellular respiration occurs in mitochondria.
What do you mean by cellular respiration?Cellular respiration is the process by which biological fuels are oxidised in the presence of an inorganic electron acceptor such as oxygen to produce large amounts of energy, to drive the bulk production of ATP.
Cellular respiration is a series of chemical reactions that break down glucose to produce ATP, which may be used as energy to power many reactions throughout the body.
Cellular respiration takes place in both the cytosol and mitochondria of cells. Glycolysis takes place in the cytosol, whereas pyruvate oxidation, the Krebs cycle, and oxidative phosphorylation occur in the mitochondrion.
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What was the climate like prior to the extinction ?
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Answer:
The extinction you are referring to is unclear, as there have been several mass extinctions throughout Earth's history. However, it is generally accepted that climate has played a significant role in many of these events. Prior to some of the mass extinctions, such as the Permian-Triassic extinction and the Cretaceous-Paleogene extinction, the climate was warm and tropical with high levels of carbon dioxide in the atmosphere. This warm climate was likely a contributing factor to the extinction, as it may have led to changes in sea level, ocean circulation, and weather patterns that disrupted ecosystems and caused widespread extinction of species. However, it is important to note that climate is just one of many factors that can contribute to mass extinction events, and there are often multiple causes involved.
3.anaerobic respiration can only take place.... A. in animals B. in plants C. in plants and animals D. In neither plants nor animals
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Anaerobic respiration can happen in any cells, they can change from aerobic to anaerobic respiration when there is not enough oxygen, or if energy is needed quickly because even when it releases less energy, it is faster than aerobic respiration.
This means the answer is C.
If an owner charges a cell for 5 minutes, how much charge will be stored in the cells if the total current flowing to the cells in 1.5A?
Answers
Explanation:
The amount of charge stored in a battery is given by the product of the current and the time, Q = I*t. Therefore, we can find the charge stored in the cell by multiplying the current and the time:
Q = I*t
In this case, the current flowing to the cell is 1.5A and the time for which the cell is charged is 5 minutes (which we will convert to seconds for convenience):
I = 1.5 A
t = 5 min = 5 * 60 s = 300 s
Substituting these values into the equation above, we get:
Q = I*t = 1.5 A * 300 s = 450 Coulombs
Therefore, if the owner charges the cell for 5 minutes with a current of 1.5A, the amount of charge stored in the cell will be 450 Coulombs.
True/False
Indicate whether the statement is true or fulse.
1. A career in food science limits the individual to work in a lab as a scientist.
2. An agriscience technician career requires a college degree.
3. American agriculture is the world's largest commercial industry.
4. About 20 percent of the careers in agriscience require college degrees.
5. Large farm operations can produce more food than one farmer.
6. Agriscience jobs occur only outdoors.
7. Production agriculture involves producing literature about growing food crops.
8. People who haul agricultural commodities from their production sources work in the segment called
agricultural processing
9. U.S. consumers spend about 15 percent of their income on food.
10. Landscape designers work in the segment known as forestry.
Answers
Answer:
true
Explanation:
sorry if i am wrong
When jaw become large enough to hold the permanent teeth . The milk teeth fall and permanent teeth appear
Answers
The "exfoliation" or "shedding" of milk teeth is the name of the procedure.
What is the Dentition of Humans?The primary and permanent tooth sets make up the human dentition. Maxillary (upper) and Mandibular (lower) are the two opposing arches in which teeth are arranged. These can be split into their left and right halves along the midline (mid-sagittal plane).
Four Different Teeth Types and Their Purposes
The majority of individuals have 32 permanent adult teeth, which can be classified into four groups:
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the organisms that feed on dead and decaying matter are called
A. Saprotrophs
B. Autotrophs
C. Heterotrophs
D. Parasite
Answers
The organisms that feed on dead and decaying matter are called Saprotrophs.
An organism that feeds on dead and decaying organic matter is called a saprotroph. These organisms are heterotrophic, which means that they obtain their food from other sources. They are important in the ecosystem because they break down dead organic matter and recycle it back into the soil, making nutrients available to other living organisms
Answer:
A. Saprotrophs
Explanation:
Saprotrophs are organisms that obtain their nutrients by feeding on dead and decaying matter. They play a crucial role in the ecosystem by decomposing organic material and recycling nutrients back into the environment.
These organisms secrete enzymes that break down complex organic compounds into simpler substances, such as sugars and amino acids, which they can absorb and utilize for their own growth and energy needs. Examples of saprotrophs include fungi (such as mushrooms and molds) and certain bacteria.
Unlike autotrophs, which can produce their own food through photosynthesis or chemosynthesis, saprotrophs rely on external sources of organic matter for their nutrition. They actively decompose dead plants, animals, and other organic materials, aiding in the process of nutrient recycling and decomposition.
Heterotrophs, on the other hand, are a broader category of organisms that obtain their nutrients by consuming other living or dead organisms. This includes saprotrophs, as well as other types of organisms such as herbivores, carnivores, and omnivores.
Parasites, meanwhile, are organisms that live in or on other organisms, known as hosts, and obtain their nutrients from the host while causing harm or damage to it. Unlike saprotrophs, parasites typically rely on a living host for their sustenance rather than feeding on dead and decaying matter.
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small molecules cross the cell membrane in the proceess of
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Answer:
simple diffusion
Explanation:
ie.passive diffusion
Complete this sentence: Epithelial tissue _________________________________ quickly.
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Answer:
Heal or regenerate
Explanation:
Epithelial tissues are one of the four main tissues in living cells of animals. Epithelial tissues or epithelium are tissues found in coverings or surfaces of organs. Epithelial tissues differ in the number of cell layers that make them up and their shape but however, they all possess certain characteristics in common.
One of those characteristics they share is their ability to HEAL OR REGENERATE quickly after being damaged. The rate at which epithelial tissues get repaired after being damaged or abrased is high, unlike other tissues.
what is living things and non-living things and non-living things
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Answer:
Living things are the things which have life and can move, breathe, eat etc. where as non-living things are the things which do not have life and cannot do anything like living things.
(: umm..... basically living things is also k own as animals
Answer:
Living beings are those things which can easily breath , and can eat .
Non living beings are those things which cannot live like the living beings .
All insights that come from science are always related to the original experiment. True or false?
Answers
Answer:
False
Explanation:
On average, which of the following areas receives the least amount of precipitation?
Answers
Answer:
savanna
Explanation:
i think so
whether bats undergo metamorphosis
Answers
Answer: no they don’t
Explanation: bats are mammals. They don’t undergo re-organisation of tissues, they simply grow.
Which of the following explains how scientists know that current global warming is related to human activities?
Atmospheric carbon has increased much faster than in the past.
There were no greenhouse gases in the atmosphere in the past.
There was more methane in the atmosphere 6,000 years ago.
There is more water vapor in the atmosphere today than the past.
Answers
Answer:
By comparing the observed and modeled patterns, scientists can positively identify "human fingerprints” and attribute a proportion of observed warming to human activities. These fingerprints are found in a diverse range of records from the atmosphere, the ocean, and Earth's surface
Which type of effort to preserve species do you
think is most worthwhile?
Answers
One of the most effective and worthwhile methods of species preservation is the preservation and protection of wildlife habitats.
What is a habitat?In the most simple of terms, a habitat is a section of terrain in which certain organisms live. Habitats can range from deserts to rainforests and everything in between.How protecting them can be important.The protection of habitats is of utmost importance. The leading cause of species extinction is habitat loss due to human activities such as city expansions or the collection of raw materials for industrial use. Protecting species habitats will allow the species in question to not only survive but also thrive and reproduce, thus leading to a safe population number and avoiding extinction.Therefore, we can confirm that one of the most effective and worthwhile methods of species preservation is the preservation and protection of wildlife habitats to allow the species that live in them to thrive.
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interpret what data means about the otter’s role in the kelp forest. what is the percent fish in diet? (otters present) what is the percent fish in diet? (otters absent) what is the percent of invertebrates in diet? (otters present) what is the percent of invertebrates in diet? (otters absent)
Answers
In general, otters play a crucial role in maintaining the health of kelp forests. They are considered a keystone species because they feed on sea urchins, which are known to graze on kelp.
Without otters, sea urchin populations can grow unchecked and damage the kelp forest ecosystem. By keeping sea urchin populations under control, otters help maintain the balance between kelp and other organisms in the ecosystem.
The percentage of fish and invertebrates in the otter's diet can vary depending on their location and availability of prey. Otters are known to be opportunistic feeders and will consume a variety of prey depending on what is available. Studies have shown that otters can consume a range of invertebrates, including crabs, clams, and snails, as well as fish species such as rockfish and herring.
In general, when otters are present, there may be a lower percentage of sea urchins and a higher percentage of fish and invertebrates in the ecosystem.
Conversely, when otters are absent, the sea urchin population may grow unchecked, leading to a decline in kelp and potentially impacting other species that rely on the kelp forest ecosystem.
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The principal enzyme involved in DNA replication is called . The enzyme joins to synthesize a new strand of DNA . DNA replication is called , because each new DNA molecule is made up of one original and one new strand.
Answers
Answer:
1. DNA polymerase
2. Nucleotides
3. Complementary
4. Semiconservative
Explanation:
I took the quiz.
The enzyme in DNA replication is DNA POLYMERASE, it joins NUCLEOTIDES to synthesize a COMPLEMENTARY strand of DNA. DNA replication is SEMICONSERVATIVE.
DNA polymerase is an enzyme that adds nucleotides to the growing DNA strand.This DNA strand is complementary to the template DNA strand.DNA replication is semiconservative because each daughter DNA molecule contains a new DNA strand and one original strand.In conclusion, the enzyme in DNA replication is DNA POLYMERASE, it joins NUCLEOTIDES to synthesize a COMPLEMENTARY strand of DNA. DNA replication is SEMICONSERVATIVE.
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what do protocells have in common with other cells ?
Answers
Answer:
They have a semipermeable membrane and can grow and divide.
Explanation:
Answer:
A stable and semi-permeable membrane which encapsulates cell components. Genetic material which can be passed on in cell formation and which controls cellular behavior and function. Energy generation via metabolic pathways which enables growth, self-maintenance, and reproduction.
Explanation:
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Match the following methods of movement with the appropriate protozoan?
Cilia. Paramencium
Flagellum. Euglena
Pseudopodia. Amoeba
Answers
The methods of movement with the appropriate protozoan include:
Cilia - ParameciumFlagellum - EuglenaPseudopodia - AmoebaWhat is a Protozoa?These are organisms which are classified under single-celled eukaryotes and examples include amoeba etc.
They all move from one place to another in search of food with the use of structures such as cilia etc.
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Transcription of the developmental gene M is influenced by two different proteins: B and H. Studies of single and double mutants generated the following information:
In mutants lacking B, transcription of M does occur
In mutants lacking H, transcription of M does not occur.
In double mutants lacking B and H, transcription of M does occur.
Based on this information, put these genes in order in a developmental pathway. Use arrows and t-bars between the genes as appropriate. Choose the correct identity of each below.
Gene 1 1st Symbol Gene 2 2nd Symbol Outcome
Answers
Answer:
B --I H >> M transcribed
Explanation:
Reverse genetics is a classical approach used in molecular genetics to elucidate gene function in a signaling gene network. This technique consists of producing loss of function mutations in genes of interest in order to analyze their phenotypic effects in the downstream signaling pathway.
In this case, the mutation in B didn't affect the expression of the developmental gene M, together with the other mutant lines, this experiment indicates that B is a downstream suppressor of H (since further experiments show that B plays a role in the signaling pathway). Moreover, the mutation in the gene H affects the expression of M, thereby showing that H acts as a downstream activator of M. Finally, B-H double mutants did neither affect the expression of M, thereby showing that M transcription is dependent of the interaction between B and H.
Knowing that proteins B and H interact with each other, and they influence the expression of the M gene, we can propose the following developmental pathway B gene --| H gene >> M gene
------------------------------
Gene pathways refer to the regulation of genes expression by turning them on and off. Many genes and proteins might be involved in this process, each of them playing significant roles in the signaling pathway.
Available data:
The transcription of gene M depends on proteins H and BIf protein B is lacking, gene M is transcriptedIf protein H is lackin, gene M is not transcriptedIf B and H are lackin, gene M is transcriptedAccording to this information, we can assume that,
The mutation in protein B did not influence the transcription of the gene M because even when B is lacking, the gene is transcripted anyway.
However, we can see that H affected M transcription. The mutation in the H protein influenced the gene transcription.
Mutations in proteins H and B did not influence the transcription of the M gene because, in the absence of both proteins, the gene was expressed.
Probably proteins B and H interact with each other, and this interaction influences the M gene transcription.
The developmental pathway is then as follows,
B gene --| H gene >> M gene
------------------------------------
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Choose a trait in your organism that follows a non-Mendelian inheritance pattern . Describe how this trait is inherited and assign for the trait .My organism is great white shark
Answers
We can choose the trait for the dorsal fins of the great white shark. The non-Mendelian inheritance pattern that we will choose is incomplete dominance.
Incomplete dominance occurs when the phenotype of the heterozygous offspring is in between the phenotypes of both homozygous parents.
We will assign these traits:
DD- large dorsal fins
Dd- medium dorsal fins
dd- small dorsal fins
This trait can be passed on when the homozygous dominant genotype (DD) is crossed with a homozygous recessive genotype (dd).
Suppose we cross DD X dd, the resulting offspring would be:
Dd, Dd, Dd, Dd- 100% medium dorsal fins
The study of structure or morphology of body parts is ______ , and the study of function is _______
Answers
The study of structure or morphology of body parts is anatomy , and the study of function is physiology.
What is Anatomy?This is referred to as a field in the biological sciences which is concerned with the identification and description of the various body structures of living things such as the legs, hands, heart etc.
On the other hand , physiology is referred to as the branch of biology that deals with the normal functions of living organisms and their parts such as the heart being responsible for the pumping of blood which contains vital nutrients to various parts of the body.
Their knowledge is however important as it helps to provide the adequate knowledge and expertise required for the care and treatment of patients thereby making it he correct choice.
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There are ______ major phases in a cell cycle.
a) 1
b) 2
c) 3
d) 4
Answers
shsiejsnneiwnejskke
Is there more energy in the plant before or after the photosynthesis?
Answers
Answer:
After
Explanation:
There is typically more energy in the plant after photosynthesis. Photosynthesis is the process by which plants convert sunlight, water, and carbon dioxide into glucose (a form of stored energy) and release oxygen as a byproduct. During photosynthesis, plants use the energy from sunlight to create glucose molecules that store chemical energy. This energy-rich glucose is then used by the plant for various metabolic processes, growth, and reproduction. Therefore, after photosynthesis, the plant has higher energy stores in the form of glucose, which it can utilize for its energy needs.
27.
Arrange the words given below in a meaningful sequence.
1. Key 2. Door 3. Lock 4. Room 5. Switch on
A) 5, 1, 2, 4, 3
B) 4, 2, 1, 5, 3
C) 1, 3, 2, 4, 5
D) 1, 2, 3, 5, 4
Answers
The correct meaningful sequence for the given words is 1, 3, 2, 4, 5. The correct answer is option C.
The logical order of the words is as follows:Key: The key is needed to unlock or open something.Lock: The lock is where the key is inserted to secure or restrict access to something, such as a door.Door: The door is the entryway or barrier that can be opened or closed using the key and lock.Room: The room is what lies behind the door, a space that can be accessed by unlocking and opening the door.Switch on: Once inside the room, the switch can be turned on to activate the lights or power supply within the room.Therefore, the meaningful sequence that represents the logical flow of actions is 1, 3, 2, 4, 5, which corresponds to option C).For more questions on sequence
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