Answer:
G1 involves cell growth an protein synthesis, G2 involvesfurther growth and protein synthesis
Final answer:
In the G1 phase, cells grow and begin the process of organelle replication while in the G2 phase, cells continue to grow, replicate some organelles, and prepare for mitosis by synthesizing proteins and providing resources for the mitotic spindle.
Explanation:
The G1 phase of the eukaryotic cell cycle is characterized by cell growth, where the cell increases in size and organelles begin to replicate in preparation for cell division. This phase involves routine metabolic processes and making proteins needed for DNA replication.
During the G2 phase, the cell continues to grow and makes further preparations for mitosis. It is during this phase that the cell replenishes its energy stores, synthesizes proteins necessary for chromosome manipulation, and duplicates some of its organelles. The cytoskeleton is also dismantled to provide resources for the mitotic spindle. This phase ensures that the cell's machinery is ready for the subsequent mitotic phase where the nucleus and the cytoplasm will be divided during mitosis and cytokinesis.
is this active transport?
Answer:
your not being specific enough
Explanation: what is active transport? be more specific so i can answer this for you.
A kilogram in an SI unit. Which quantity might measure in kilograms
A.temperature
B.mass
C.length
D.electric current
A quantity that might be measured in kilograms is mass. You can tell it is not length, because that is meters, and temperature is Celsius. It is not electrical current because that is measured in watts.
If you need more explanation, comment below and I'll do my best.
what do penguins need to survive
Answer:
Penguins need thick skin and a lot of fat.
Explanation:
To keep warm in cold weather. They also huddle together with their friends to keep warm. And they need a colony to help protect each other and the young ones.
where would your find tension
Answer:To calculate the tension when a pulley is lifting 2 loads vertically, multiply gravity time 2, then multiply it by both masses. Divide that by the combined mass of both objects. When you're done, remember to write your answer in Newtons
Explanation:this is because to calu
Tension is the force along the length of a flexible connector, such as a string, rope, chain, or cable. It is a pull that acts parallel to the connector and in opposite directions at the two ends of the connector. In physics, tension is often used to describe the force exerted by a flexible connector when a perpendicular force is applied.
Explanation:Tension is the force along the length of a flexible connector, such as a string, rope, chain, or cable. It is a pull that acts parallel to the connector and in opposite directions at the two ends of the connector. In physics, tension is often used to describe the force exerted by a flexible connector when a perpendicular force is applied.
For example, consider a person holding a mass on a rope. The tension in the rope is the force exerted by the rope to support the weight of the mass. The tension would be larger if the rope is more horizontal and would be equal on both ends if the angles on either side are the same.
Another example is the tension in wires suspending an object, like a traffic light. When analyzing the tension in each wire, we can neglect the masses of the wires. The tension in each wire can be found by considering the equilibrium of forces acting on the object.
Which of the following is NOT a characteristic of all living things? A. reproduce asexually B. made of cells C. have a metabolism D. respond to a stimulus
Please answer fast!!
Answer:
reproduce asexually
Explanation:
Most living organisms such as animals etc reproduce sexually
Answer:
Asexual reproduction is not a characteristic of all living organisms.
Explanation:
Reproduction is a life process which is essential to sustain a population of an organism. Asexual reproduction is not the only form of reproduction. Organisms reproduce sexually or asexually.
All the other given options are characteristic features of organisms. Every living organism is composed of cells. Depending on the number of cells organisms can be unicellular or multi cellular.
Every organism is able to perform various functions because they have a metabolism. Organisms have different ways of responding to stimuli.
What are the functions of the promoter sequence and the terminator sequence in DNA?
a, b, c, or d?
Answer:
A
Explanation:
Promoter region on DNA is the point on DNA where polymerase enzyme attaches so it can begin the translation of genes/operon downstream. Terminator region on the DNA is the point that causes the polymerase to terminate transcription. For example, the terminator regions may cause the transcribed nascent mRNA to form a hairpin structure at the terminator sequence hence causing the polymerase enzyme to detaches from the DNA strand.
Promoter sequence initiates transcription, while the terminator sequence ends it in DNA. Correct answer is 1. Promoter sequence begins transcription, while terminator sequence ends it.
Promoter sequence: A DNA sequence where RNA polymerase binds to initiate transcription. It determines when and where transcription starts. Consists of specific nucleotide segments recognized by RNA polymerase or regulatory proteins.
Terminator sequence: A DNA sequence indicating where transcription should end. It helps in the release of RNA polymerase and stops the addition of nucleotides to the RNA strand.
In summary, the promoter sequence begins transcription by providing a binding site for RNA polymerase, while the terminator sequence ends transcription by signalling the enzyme to detach.
complete question:
What are the functions of the promoter sequence and the terminator sequence in DNA?
Promoter sequence begins transcription, while terminator sequence ends it.Promoter sequence begins replication, while terminator sequence ends it.Promoter sequence promotes translation, while terminator sequence begins it.Promoter sequence initiates unwinding DNA, while terminator sequence winds itwhat is reflex movements
Reflex movements are involuntary, quick responses to stimuli carried out by the spinal cord, bypassing brain control. They serve a protective function for the body and are crucial for understanding the health and development of the nervous system.
Reflex movements are triggered when sensory information is powerful enough to reach a threshold, and the interneurons in the spinal cord act to send a message back through the motor neurons, bypassing the brain's conscious control. For example, when you touch a hot stove and immediately pull your hand back, it's your reflexes in your spinal cord ordering the appropriate response before your brain processes what is happening. This demonstrates the reflex arc, which is fundamental for protecting the body from harm.
compare protons ,electrons, and neutrons with respect to location within atoms, eletric charge and mass
Answer:
Protons are positively charged, Electrons are negatively charged, and Neutrons are neutrally charged as in no charge positive or negative.
Protons and neutrons are in the middle (nucleus) of the Atom while the electrons are in shells or orbitals that surround the nucleus of an atom.
Protons have +1 mass, electrons have -1 mass, and neutrons have 0 mass.
- Que
Protons (+1 charge, 1 amu) and neutrons (no charge, 1 amu) are located in the nucleus, while electrons (-1 charge, approx. 0 amu) orbit the nucleus. The mass of protons and neutrons is about 1836 times greater than the mass of an electron. These subatomic particles define the properties and chemical behavior of elements.
Protons, neutrons, and electrons are the three main subatomic particles that make up an atom. Protons have a positive charge of +1 and, along with neutrons, are found in the atom's nucleus. Neutrons are electrically neutral and have no charge. Both protons and neutrons have a mass of approximately 1 atomic mass unit (amu). The mass of protons and neutrons is nearly the same, and they constitute the bulk of an atom's mass. Electrons, on the other hand, orbit the nucleus in orbital clouds and have a negative charge of -1. They have a negligible mass, approximately 0 amu, which is about 1/1836 times the mass of a proton.
The differences in their location within the atom, electric charge, and mass define many properties of elements and their chemical behavior. While protons determine the element's identity and its positive charge balances the negative charge of electrons, neutrons provide stability to the nucleus, and electrons are involved in chemical bonding and reactions.
This is formed as a waste product in photosynthesis and used as a reactant in respiration.
Why is clear urging an especially damaging forestry practice for species that rely upon older trees for their survival
Answer:
'Genetics in Swedish forestry practice' -- subject(s): Afforestation, Forests and forestry, Genetics
'Den oligarchs astringency och partaken' -- subject(s): Afforestation, Forests and forestry, Genetics, Trees
Explanation:
Additional education is typically required to enter fields of law.
A.
True
B.
False
Answer:
B. False
Explanation:
Additional information is not typically required to enter the fields of law.
Answer:
TRUE
Explanation:
Although there are many fields of law that do not require additional education, lawyers do. I anwered False and got it wrong so it's TRUE
Imagine standing on a sandy beach on a warm, sunny day facing east. The sand and you are hot. You want to catch a cool breeze on your face.
Which way should you face?
A.
toward the land
B.
toward the north
C.
toward the south
D.
toward the water
E.
toward the sky
You should face towards the water. Therefore, option (D) is correct.
What is sea and land breeze?The cool breeze comes from the direction of the water because of the temperature difference between the land and the water. During the day, the land heats up faster than the water due to its lower heat capacity. As the warm air above the land rises, cool air from the water is drawn in to replace it, resulting in a cool breeze blowing from the water towards the land.
Sea and land breezes are local winds that occur in coastal regions due to differences in temperature and pressure. During the day, the land heats up faster than the sea, causing the air above the land to warm and rise. This creates a low-pressure area over the land. At the same time, the air above the cooler sea remains relatively stable, creating a high-pressure area. The air flows from high pressure to low pressure, so cooler air from the sea moves towards the land, creating a sea breeze.
At night, the opposite occurs. The land cools down faster than the sea, creating a high-pressure area over the land and a low-pressure area over the sea. This causes air to move from the land to the sea, creating a land breeze. Sea and land breezes can affect the weather in coastal regions and can also impact local marine ecosystems.
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What substances are produced by cellular respiration?
O2 and H20
CO2 and C6H1206
O 02 and C6H1206
CO2 and H20
Answer:
CO2 and H2O is correct and now I just have to fill space sooooo
12. Which organelles are known as the "power plants"
of the cell because they transfer chemical energy
from food to compounds the cell can use?
a. mitochondria
b. ribosomes
c. lysosomes
d. vacuoles
The organelles known as the 'power plants' of the cell are the mitochondria. They convert the chemical energy from food into compounds the cell can use, through a process called cellular respiration.
Explanation:In biology, the organelles that are referred to as the 'power plants' of the cell are the mitochondria. These organelles are responsible for the critical task of producing energy for the cell. This process works by converting chemical energy found in the food we consume into compounds that the cell can use. This is achieved through a process known as cellular respiration. Other organelles, such as ribosomes, lysosomes, and vacuoles, each serve their unique functions, with ribosomes responsible for protein synthesis, lysosomes for waste disposal, and vacuoles for storage, but it's only the mitochondria that does the work of a cell's energy 'power plant'.
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Some bacteria cause diseases in humans and other organisms, but
O A. we don't know of any archaea that are harmful.
O B. viruses are unable to infect humans.
O C. antibiotics can always be used to treat bacterial infections.
O D. diseases caused by bacteria aren't serious.
Bacteria can cause diseases in humans and other organisms, and not all bacteria are susceptible to antibiotics. The impact of bacterial diseases can be serious.
Explanation:Bacteria are responsible for causing diseases in humans and other organisms. While there are some archaea that can be harmful, the majority of known pathogens are bacteria. Antibiotics can be used to treat bacterial infections, but not all bacteria are susceptible to antibiotics. Additionally, diseases caused by bacteria can be very serious and have a significant impact on human populations.
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Put the steps of Cellular Respiration in order.
1 1. In the Citric Acid/Kreb's Cycle the carbons that are left from the initial glucose are oxidized releasing more
CO2. NADH and FADH2 and 2 ATP molecules are produced.
12. Glycolysis takes place in the cytoplasm and breaks down glucose to form two molecules of pyruvate. 2 ATP
are produced and NADH is saved for later.
13. Two molecules of pyruvate move into the mitochondria where they are converted into Acetyl CoA. More
NADH is produced and CO2 is released.
4. In the electron transport chain, the NADH and FADH2 give up electrons, energy is released and captured as it
moves from a high concentration to a low concentration.
15. Energy is used to produce about 34 ATP. Oxygen is the terminal electron acceptor that combines with oxygen
to produce water
Answer:
The steps will be in order in the sequence 12,13,11,4 and 15
Explanation:
12. In glycolysis, glucose is converted into pyruvate. ATP and NADH ARE MADE.
13. Pyruvate is oxidized and converted into acetyl CoA in the mitochondria. Carbon dioxide and NADH are also made.
11. The acetyl CoA undergoes a series of changes and ATP, FADH2, NADH, and carbon dioxide are released.
4. NADH and FADH2 lose their electrons and get converted back into NAD+ and FAD.
15. Oxygen takes electrons and water is produced. 34 ATP molecules are released.
Answer:
In a global sense, Cellular respiration takes place with the following process: Glycolysis, Pyruvate oxidation, Citric acid cycle (Kreb's cycle) and finally the oxidative phosphorylation. This corresponds to 12, 13, 11, 14, and 15.
Explanation:
In a global sense, Cellular respiration takes place with the following process: Glycolysis, Pyruvate oxidation, Citric acid cycle (Kreb's cycle) and finally the oxidative phosphorylation. Now, we will organize the presented steps in order to achieve Cellular respiration as follows:
First step: 12. Glycolysis takes place in the cytoplasm and breaks down glucose to form two molecules of pyruvate. 2 ATP are produced and NADH is saved for later.
Second step: 13. Two molecules of pyruvate move into the mitochondria where they are converted into Acetyl CoA. More NADH is produced and CO2 is released.
Third step: 1 1. In the Citric Acid/Kreb's Cycle the carbons that are left from the initial glucose are oxidized releasing more CO2. NADH and FADH2 and 2 ATP molecules are produced.
Fourth step: 14. In the electron transport chain, the NADH and FADH2 give up electrons, energy is released and captured as it moves from a high concentration to a low concentration.
Finally, 15. Energy is used to produce about 34 ATP. Oxygen is the terminal electron acceptor that combines with oxygen to produce water
We can conclude that Cellular respiration takes place with the following process: Glycolysis, Pyruvate oxidation, Citric acid cycle (Kreb's cycle) and finally the oxidative phosphorylation. This corresponds to 12, 13, 11, 14, and 15.
Which process requires cellular energy to move
molecules across the cell membrane from a regionof lower concentration to a region of higher concentration?
A. active transport
B. diffusion
C. osmosis
D. hydrolysis
Answer:
A
Explanation:i beleive its a because it needs to be active
Active transport is the process that requires cellular energy to move molecules across the cell membrane from a region of lower concentration to a region of higher concentration. It works against the natural flow of substances and requires energy, typically in the form of ATP, to facilitate this movement. Examples include the sodium-potassium pump and the transport of larger molecules.
Explanation:The process that requires cellular energy to move molecules across the cell membrane from a region of lower concentration to a region of higher concentration is known as active transport. Active transport mechanisms require the use of the cell's energy, typically in the form of adenosine triphosphate (ATP), to move substances against the concentration gradient. For instance, proteins within the cell membrane may act as 'pumps', using cellular energy to facilitate the movement of substances. Unlike passive diffusion and osmosis, which rely on the natural movement of substances from an area of higher concentration to a lower concentration, active transport must work against this natural flow, requiring energy.
Examples of active transport include the sodium-potassium pump, where sodium is pumped out of the cells and potassium is pumped into cells, both moving against their concentration gradients. Another example can involve the transport of larger molecules or ions through the cell membrane against their concentration gradient, which also requires ATP.
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this model is supposed to help students understand how a volcano works. with that purpose of mind, what is the limitation of this model????
Answer: This model can show you how it works, But however it will not tell you how hot the lava is, And it won't react completely as a real one
Explanation: It says the purpose of this model is to help you understand, It will show you but it won't be an exact volcano
Answer:
The limitation of this model is that it does not accurately demonstrate the degree of dangerousness of the volcanoes.
Explanation:
The volcano is the natural phenomenon responsible for the release of magmatic material, ashes and gases from the Earth's interior to the surface. The eruption of a volcano has destructive consequences, especially in populated places. Among the losses are pollution of soil, water and air, destruction of vegetation and homes, in addition to deaths.
Although a volcano model demonstrates the shape and functioning of the volcano, these models do not accurately represent the danger that an active volcano represents as lava and all the smoke generated by volcanoes.
Archimedes' Principle relates primarily to _____. density, mass, boiling and freezing buoyancy.
Answer:
buoyancy
Explanation:
According to Google "Archimedes' principle states that the upward buoyant force that is exerted on a body immersed in a fluid"
I know a lot on this topic but I wanted to be sure my answer was to the point instead of rambling. If you need further help let me know!
Answer:
buoyancy
Explanation:
Stella thinks that if people are exposed ultraviolet light then they are more likely get skin cancer. Stella designs an experiment wherein sample A consisted of people were exposed to ultraviolet light and sample B was not.
what is the independent variable?
Answer:
The amount of UV light exposure.
Explanation:
The independent variable is the one variable that an individual must change during an experiment in order to investigate or test the dependent variable. Basically their relationship to the experiment or between themselves can be easily remembered through their names: The independent variable is the one that's controlled by the researcher and therefore does not depend on other variables from the experiment (amount of UV light), the dependent variable depends on the independent variable since its often the result from the latter's variations (cases where people developed skin cancer) and finally, the controlled variable is the one that's kept the same throughout the experiment (Time exposed to sunlight within group A or method through which patients were tested for skin cancer).
WILL GIVE 20 POINTS AND BRAINLIEST
In which direction does the tail of the molecule of the plasma membrane face?
away from water
toward the outside
toward the middle
toward the head of another molecule
Answer: C.) toward the middle
Explanation: The molecules are organized so that the "tails" of the two layers are in the middle.
The direction that the tails of plasma membrane usually face is toward the middle.
The plasma membrane can be regarded as membrane that serve as boundaries between the cell and environment. They can as well be referred to as cell membrane, they regulate transport of materials both inside and outside the cell, It has a lipid bilayer In the formation of cellular membranes, There is assemblage of the phospholipids into two parts, base on their properties.These are,:hydrophilic head
two hydrophobic tails
These properties are essential to plasma membrane because once phospholipids comes across water. the phospholipids will just rearrange itself so that the hydrophobic tails will be at the middle, facing each other , then the hydrophilic heads will face out.Because of the hydrophobic properties of the tail they always try to avoid water and that is why they face each other towards the middle.Therefore, option C is correct because the tails is hydrophobic in nature
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Which statement best relates to how the structure of a lipid influences the lipid’s function?
A phospholipid has a charged head and an uncharged tail.
Lipids contain fatty acids and glycerol.
The ends of the lipid are attached to each other.
A lipid is made up of a long chain of phosphorus molecules.
Answer:
The correct answer is B) Lipids contain fatty acids and glycerol.
Explanation:
Lipids are mostly found in the cell membrane, where its function is to make a barrier for protection and control. Therefore, its structure facilitates the formation of a bilayer with two different types of solubility, due to the glycerol heads (hydrophilic) and the tails made of fatty acids (hydrophobic) located in the exterior and interior face of the membrane and on the middle, respectively.
. Why do you think Latin is used instead of a more modern
language?
Answer:
Explanation:
No sarcasm is intended here, but which language would you pick?
English, French, Spanish, Italian, Greek or Russian, just to name a few. Latin is the root of many languages and most educated people understand enough of it to be able to identify what you are talking about.
what biological macromolecule is made up of monomers
Answer:
Carbohydrates, proteins and fats are the biological molecule that are made up of monomeric units.
Explanation:
Polysaccharides are the starches that are comprised of at least two monosaccharides. For instance, starch is made up of many glucose units. Proteins have amino acids as their monomer units.
There are twenty different amino acids that combines at different proportion to form different proteins. Fats are the lipids that have fatty acid and glycerol as their monomeric units.
What is the volume of a coffee pot
Answer:
A "12-cup" US coffeemaker makes 57.6 US customary fluid ounces of coffee, which is equal to 6.8 metric cups of coffee.
Explanation:
What do conversion factors Always equal?
Neural signals from olfactory cilia are transmitted to the __________ and then transmitted to the __________ and other areas of the brain.
A. thalamus . . . olfactory cortex
B. olfactory bulb . . . olfactory cortex
C. olfactory cortex . . . olfactory bulb
D. olfactory bulb . . . thalamus
The correct answer is B. olfactory bulb ... olfactory cortex.
Neural signals from olfactory cilia are transmitted to the olfactory bulb and and then transmitted to the olfactory cortex and other areas of the brain.
Answer: Option B
Explanation:
All the signals that we receive through are body are sensed through the brain. The olfactory is an important center of the brain that is responsible for this activity.
The olfactory bulb receives the smell from the olfactory cilia, that then takes it to the cortex, then transfers it to the other parts of the brain and make us sense the smell.
Answer:
b. olfactory bulb . . . olfactory cortex
Explanation:
edge
In which time frames can short-term environmental changes occur? Check all that apply.
in days
in minutes
over hundreds of years
over thousands of years
over billions of years
Answer: in days
in minutes
over hundreds of years
Explanation:
The short term environmental changes are those changes which are caused by the catastrophic events. These changes remain for a short period of duration as they are temporary and the environment attains stability after these changes. These includes drought, flooding, volcanic eruption, pollution, blizzards, impact of asteroid or comet on earth and smog.
The short term environmental changes can be seen in days, in minutes and over hundreds of years but as the environment receiver the effect of these changes also diminishes in the environment.
Answer:
A) IN DAYS
Explanation:
EDG 2020
Help me with this please please please
Answer:
1. Anne ate toast, but I ate pizza
2.Rob painted a portrait, and mary chiseled a statue
3. you can imitate another artist, or you can try to be original
4. our parents went out, so we watched television
Practice 1
Label each of the following as a cell, C; a tissue, T; ar
an organ, O; an organ system, S; or a whole organism, w
7. lung
1. bone
2. tongue
3. brain, spinal cord, nerves
4. red blood cell
5. honey bee
6. large intestine
8. brain stem cell
9. tongue, stomach, small intestine
10. muscle
11. tomato plant
12. cheek lining
Answer:
OrganOrganSCellWhole organismSOrganCellSWhole organismCell
Various structures in the human body are organized into levels, from cells to whole organisms. Each item listed is categorized as either a cell (C), tissue (T), organ (O), organ system (S), or whole organism (W) based on its role in the body's structure.
Explanation:The organization of the human body can be categorized into cells, tissues, organs, organ systems, and organisms. Let's label each of the following according to these categories:
Lung - O (Organ)Bone - O (Organ)Tongue - O (Organ)Brain, spinal cord, nerves - S (Organ System)Red blood cell - C (Cell)Honey bee - W (Whole Organism)Large intestine - O (Organ)Brain stem cell - C (Cell)Tongue, stomach, small intestine - S (Organ System)Muscle - T (Tissue)Tomato plant - W (Whole Organism)Cheek lining - T (Tissue)In summary, cells are the basic units of life, tissues are groups of similar cells that perform a common function, organs are composed of different types of tissues, and organ systems are composed of different organs that work together to perform complex functions. A whole organism comprises several organ systems working in harmony.