Answer:
the development of a membrane, enabling metabolism and creating the first cells.
Explanation:
In Abiogenesis (evolutionary biology), the formation of life on earth is described by three (3) main stages and these includes; phase 1, phase 2 and phase 3.
In phase 1, small molecules that comprises of carbon and hydrogen are formed on earth. The second phase is the formation of molecules that can be replicated by themselves and contains informations.
Phase 3 involves the development of a membrane, enabling metabolism and creating the first cells.
A cell can be defined as the structural, fundamental, biological and functional unit of life. Cells are found in all living organisms because they are the basic unit of life.
Generally, cells have the ability to independently replicate themselves. These cells can be compared to the kind of structures found in a business or factory, where you have different workers performing different functions.
In a cell, the "workers" that perform various functions or tasks for the survival of the living organism are referred to as organelles such as nucleus, cytoplasm, cell membrane, golgi apparatus, mitochondria, lysosomes, ribosomes, chromosomes, endoplasmic reticulum, and vesicles.
The regular sequence of growth and division that cells undergo is called the cell cycle. This cycle makes it possible for the cells found in living organisms to divide and produce new cells.
Basically, there are four (4) phases of the cell cycle and these are;
I. Prophase.
II. Metaphase.
III. Anaphase.
IV. Telophase.
predator and prey difference
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Do genes on the Y chromosome express X-linked traits?
what is the difference between an alligator and a crocodile
Snout Shape: Alligators have a wide, rounded, u-shaped snout, while crocodiles have long, pointed, v-shaped snouts. ... Crocodiles are different from alligators in this sense, where both upper and lower jaws of a crocodile are the same size, exposing their teeth as they interlock, creating the look of a toothy grin.
Alligators have U-shaped faces that are wide and short, while crocodiles have thin V-shaped muzzles. When an alligator closes its mouth, you tend to see only its upper teeth. Crocodiles on the other hand flash a toothy grin with their top and bottom teeth interlacing.
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How are photosynthesis and respiration similar?
Group of answer choices
A. They both take place inside cells.
B. They both trap energy
C. They both have oxygen as a reactant.
D. They both break down glucose.
Answer:
A
Explanation:
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Plzzz help ASAP, don't fool me I'll report
What is the importance of heartbeat blood circulation?
Answer:
With each heartbeat, the heart sends blood throughout our bodies, carrying oxygen to every cell. After delivering the oxygen, the blood returns to the heart. The heart then sends the blood to the lungs to pick up more oxygen.
Humans vary in their ability to taste the bitter chemical compound phenylthiocarbamide ( PTC ). The taster phenotype is dominant to the non-taster phenotype. Researchers tested the PTC taster phenotype of individuals from an isolated population. In the sample, 780 individuals were able to taste PTC and 70 individuals were not able to taste PTC .Assuming the population is in Hardy-Weinberg equilibrium, what is the frequency of the non-taster allele
Answer:
The frequency of the recessive allele, t is f(t) = q = 0.29.
Explanation:
Due to technical problems, you will find the complete explanation in the attached files.
50. What is shown in Figure 11-4
Answer:
Umm there is no figure...
PLEASE HELP ME WITH THIS BIOLOGY QUESTIONN :)) THANK YOUU
Answer:
B. Translation
Explanation:
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help please!!
What determinates that the seal is a water animal and that the bat is an air animal?
A seal has flippers made for swimming, and a bat has wings made for flying.
The role of a keystone species is..
A. To kill off invasive species in the area
B. To maintain biodiversity in the ecosystem through complex interactions with other animals in the area
C. To be able to make the environment safe
Answer:
The answer is B
Explanation:
A keystone species is an organism that helps define an entire ecosystem. Without its keystone species, the ecosystem would be dramatically different or cease to exist altogether. The ecosystem would be forced to radically change, allowing new and possibly invasive species to populate the habitat.
How are the spines on a cactus different from the leaves on an oak tree?
1. They provide nutrient intake
2. They provide heat exchange
3. They reduce water loss
4. They reduce oxygen release
Answer:
3.
Explanation:
because normal leaves transpire and release water where as spine don't transpire
The _________ was the main opposition group to apartheid in South Africa. Founded in 1912, the group was later banned by the South African government. Group of answer choices Katanga National Congress Mau Mau National Congress African National Congress
Answer:
African National Congress.
Explanation:
The practice or system of Apartheid was one way the government of South Africa implemented to 'manage' the majority of black people. Though the whites are in minority, they wanted to stay superior. So, the practice of Apartheid gave them the 'scope' for authority, segregating the blacks from them.
The African National Congress, formerly known as the South African Native National Congress, was founded in 1912 by John Langalibalele Dube. The party's aim was to unite all the African people and bring them together as a united nation, irrespective of tribe or background. It later became the main party to oppose the Apartheid policy of the government. After a violent outcome of a peaceful protest, the South African government banned the party in April 1960. This ban was lifted in February 1990.
In some fruit flies the allele for having black eyes (B) is dominant to the allele for having red eyes (b) A scientist mated a batch of heterozygous fruit flies. Using a punnet square decide what the P and F generations would look like.
What are the four parts of a neuron
Answer:
the dendrites, the cell body (also called the "soma"), the axon and the axon terminal
Explanation:
Answer:
dendrites, the cell body, axon, axon terminal
Explanation:
helppp
What is the primary consumer?
my teacher said the answer is grasshopper but why not the mouse?
Which naturally occurring gas can be found in certain rocks and soils and is considered a hazardous air pollutant?
mercury
carbon dioxide
radon
argon
Answer:
answer is radon
Explanation:
........
Radon is naturally occurring gas can be found in certain rocks and soils and is considered a hazardous air pollutant.
What is Hazardous air pollutant?Those proven to cause cancer and other major health effects are considered hazardous air pollutants. According to the Clean Air Act, the EPA must regulate harmful air pollutants, or air toxics, coming from specific types of industrial operations in two phases.
Hazardous air pollution stationary source requirements are known as National Emission Standards for Hazardous Air Pollutants (NESHAP). The term "hazardous air pollutants" (HAPs) refers to airborne contaminants that are known or strongly suspected to be responsible for cancer, as well as other major health issues such birth defects or reproductive problems.
The EPA creates national enforcement programs that are centered on serious environmental concerns and patterns of noncompliance.
Therefore, Radon is naturally occurring gas can be found in certain rocks and soils and is considered a hazardous air pollutant.
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helpppp....... Which has the greatest influence on wind speed air mass, dioxide concentrations, nitrogen concentrations or, stratosphere
Answer:
Differences in air pressure are generally what has the greatest influence on wind speed, so your answer would be air mass.
Hope this helps!
What is Florida’s state freshwater fish don’t search guess
Answer:
largemouth bass
Explanation:
Answer:
I want to say large mouth bass my uncles live in Florida
Explanation:
A: expands cracks and breaks rocks
B: keeps the rocks in place
C: makes the rocks last longer
D: causes to fall in landslides
the energy in living systems is used by organisms for what purpose?
Answer:
a
Explanation:
Can you please help me
Answer:
A
Explanation:
games give confidence
Answer:
A
Explanation:
It allowed them to not give up and push on until they did it. which allowed them to get confidence.
Provide the complementary DNA for the following DNA sequence:
A T G C T A G G G T A A T T C G
Answer:
T A C G A T C C C A T T A A G C
Explanation:
A = T and T = A
Remeber Apple goes with the Tree
C = G and G = C
Remember Car goes in the Garage.
Which of the following is a protist?
a a mushroom
b a ladybug
C a palm tree
d None of these are protists.
Answer:
C.a palm tree
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Carry
How does the fossil record support the Theory of Evolution?
Answer:
Fossils document the existence of now-extinct species, showing that different organisms have lived on Earth during different periods of the planet's history. They can also help scientists reconstruct the evolutionary histories of present-day species.
Create a food chain. Choose the biotic factors from the list and move them onto the hotspots marked with circles. BIOTIC FACTORS Trout Algae Herons Minnows Mosquito larvae Regenerate Reset Check
Explanation:
algae(producer)>mosquito lavae>minnows >trout >herons
Algae, Mosquito larvae, Minnows, Trout, and Herons are arranged in the following pattern in a food chain.
What is a food chain?A food chain is an arrangement of organisms where energy flows from through lower organism to higher organism. Each organism in the chain transfers energy to the other organism present at higher order and the flow of energy goes on. Biotic factors, algae, mosquito larvae, minnows, trout, and herons are arranged in the following sequence in the food chain.
Algae are the primary producers in aquatic ecosystems which are eaten by mosquito larvae, which are then eaten by minnows. Minnows are then eaten by trouts. Herons, being the largest predator feeds on the trout.
Each organism in the food chain obtains energy from the organisms present at lower trophic level. However, the energy flow decreases at each trophic level, therefore, the organism at higher trophic level receives the less amount of energy.
Therefore, the food chain is created in the following order: Algae, Mosquito larvae, Minnows, Trout, and Herons.
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What form of heat transfer can travel through a vacuum.
A. Convection
B. Radiation
C. Conduction
Answer: B. Radiation fo sho.
Explanation: I took a test and it was correct!! ; )
double helix used in a simple 9th grade level sentence and one fact
Answer:
The arrangement of two nucleotides binding together across the double helix is called a base pair.
In the structure of a double helix, two strands wrap around each other.
There is a major and a minor groove on the double helix.
Two long strands entwine like vines, in the shape of a double helix.
What environmental factors had an impact on the coyote population?
Which would register a drop in air pressure?
A.) a drop in temperature
B.) going down a mountain
C.) going up a mountain
D.) a heavy rainstorm
I think it’s d but I’m not sure :’(
Drop in air pressure takes place when one goes up a mountain.
• Altitude is associated with air pressure, that is, with an elevation in altitude, there is a drop in air pressure.
• That is why when one goes up the mountain, the person feels a drop in air pressure.
• The air pressure is indicated with the help of an instrument called altimeter.
• There are two reasons of the drop in air pressure with altitude, that is, gravity and density.
• The high altitude regions like mountains are generally much colder than the regions closer to the sea due to low air pressure.
Thus, the correct answer is option C.
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