Answer:
True
Explanation:
Environment. The Archean atmosphere is thought to have nearly lacked free oxygen. Astronomers think that the Sun had about 70–75 percent of the present luminosity, yet temperatures on Earth appear to have been near modern levels after only 500 Ma of Earth's formation (the faint young Sun paradox).
Celestial body: Earth
Chronological unit: Eon
Alternate spelling(s): Archaean, Archæan
Lower boundary definition: Defined Chronome...
Hope it Helps! :D
What would happen if cellular respiration does not happen?
Answer:
a cell dies
Explanation:
Answer:
it will die eventually
An important difference between sexual and asexual reproduction is____
Answer:
The number of offspring and the time required to generate them.
Explanation:
The number of off springs and time required to generate them is the right answer.
What is sexual and asexual reproduction?In sexual reproduction, the offspring inherit a combination of genes from both parents, which can lead to the expression of new traits and the evolution of new species. In asexual reproduction, the offspring inherit the same genes as the parent, so there is little potential for genetic variation and evolution.
Asexual reproduction is often seen as less efficient than sexual reproduction because it does not allow for the exchange of genetic material that can help organisms adapt to changing environments.
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why is everyone stressing this week?
Answer:
cause i just had to take a math test plus I have an essay to write and I have know idea how but i sent in a rough draft but he said it needs to be 3 pages longer but I don't really know how to write an essay like that but the rough draft i had help on sooo yea
Explanation:
When people think about the first people in America, they might think of Christopher Columbus or the European colonists; when, in fact, the first people were the Indians. The Cherokee Indians had lived in the lands of what is now the United States for thousands of years before any colonists had ventured over. Little did they know that the new nation that was going to be forming around them, would severely affect the lives of their descendents.
Life before the Trail of Tears but after the arrival of the new Americans was more or less simple for the Cherokees. They spend time hunting and fishing. Some of them even worked on plantations and even owned their own slaves, in an effort to accommodate some of the American ways of living.
this is the rough draft but it needs more if you know anyone who can help it's much appreciated :)
Answer:
the only ppl stressing is trump supporters lol
Explanation:
How do the geographic barriers affect the relatedness of species?
Answer:
Scientists think that geographic isolation is a common way for the process of speciation to begin: rivers change course, mountains rise, continents drift, organisms migrate, and what was once a continuous population is divided into two or more smaller populations. This may or may not be sufficient to cause speciation.
Explanation:
Iqbal is observing a seed using a digital microscope. The length of the image is 12mm and the microscope is set to x4. What is the actual length of the seed?
Answer:
Actual length of the seed = 3 mm
Explanation:
Given:
Length of the image = 12mm
Magnification = x4
Find:
Actual length of the seed
Computation:
Actual length of the seed = Length of the image / Magnification
Actual length of the seed = 12 / 4
Actual length of the seed = 3 mm
Answer:
3mm
Explanation:
12 divided by 4
2 reasons why someone might selectively breed cats
Other then to stop allergies
Answer:
Explanation:
U might selectively breed cats for desired characterisitcs like having a cat with less fur or a cat with a certain type of colour.
could two individuals with type A blood ever produce any offspring with type O blood?
Yes, it is definitely possible that two individuals with type A blood ever produce any offspring with type O blood.
What is a Blood group type?A blood group type may be characterized as the classification of blood, based on the presence and absence of antibodies and inherited antigenic substances on the surface of red blood cells. In humans, there are four types of blood groups are there.
A blood group: [tex]I^AI^A or I^AI^O[/tex]. B blood group: [tex]I^BI^B or I^BI^O[/tex]. AB blood group: [tex]I^AI^B[/tex]. O blood group. [tex]I^OI^O[/tex].The blood grouping in humans is an example of co-dominance. The blood group of an individual or offspring is determined by the respective blood group of its parents. Parents with type A blood have the probability to produce any offspring with type O blood in the sense that they fuse their both specific gametes of [tex]I^OI^O.[/tex]
Therefore, it is definitely possible that two individuals with type A blood ever produce any offspring with type O blood.
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The structure and function of a protein is determined by the:
A. sequence of amino acids.
B. type of RNA that it is translated from.
C. strength of the hydrogen bonds in the DNA strand the gene is from.
D. amount of ATP consumed to create it.
Answer:
A. sequence of amino acids.Explanation:
The function of a protein is directly dependent on its threedimensional structure (Figure 3.1). Remarkably, proteins spontaneously fold up into three-dimensional structures that are determined by the sequence of amino acids in the protein polymer. ... Proteins contain a wide range of functional groups.
12.
Which statement correctly distinguishes the functions of lipids from other types of biomolecules?
F. They are used to store genetic information.
G
They help with the regulation of blood glucose.
H.
They are a major component of cell membranes.
J.
They are made up of several different amino acids.
Answer:
they are made up of several different amino acids
which level of tornado tornados causes the greatest damage?
A: EF0
B: EF1
C:EF5
D:EF10
Answer:
The correct answer is C:EF5.
Explanation:
The Tornado is a meteorological phenomenon that consists of a whirlwind of wind produced as a result of an air rotation of great intensity and of little horizontal extension, which extends from the base of a mother cloud. The Fujita-Pearson scale and the so-called Enhanced Fujita Scale classify tornadoes according to the damage caused. The Enhanced Scale (EF) was a refinement of the old Fujita scale, using wind estimates and better damage descriptions; however, it was designed so that a tornado rated on the Fujita scale would receive the same numerical rank, and was implemented beginning in the United States in 2007. An EF0 tornado, the weakest on the scale, possibly damages trees but not structures, as long as that an EF5 tornado, the strongest, it can cause incredible devastation; it can rip buildings off their foundations, exposing them and even deform skyscrapers. The wind speed in a tornado can reach 500 km / h.
Answer:
C
Explanation:
k12 test
Match each organism with the correct description.
1. algae
decomposer
2. rabbit
1
producer
3. tiger
carnivore
4. human
primary consumer
5. bacteria
4
omnivore
DIT NICIUD
Algae - Producer
Rabbit - Primary Consumer
Tiger - Carnivore
Human - Omnivore
Bacteria - Decomposer
hope this helped :)
Answer:
Algae - Producer
Rabbit - Primary Consumer
Tiger - Carnivore
Human - Omnivore
Bacteria - Decomposer
Explanation:
What happens on the microscope as you adjust the coarse focus? What part of th
microscope moves?
Answer:
the lenses
Explanation:
Answer: I think this is the answer, The coarse adjustment knob located on the arm of the microscope moves the stage up and down to bring the specimen into focus. The gearing mechanism of the adjustment produces a large vertical movement of the stage with only a partial revolution of the knob.
Explanation: I Hope this helps!
Lipid tails stay untangled because
A DNA sample contains 30% cytosine. What percentage of the sample would be thymine?
Answer:
30% Thymine
Explanation:
If 30% of Adenine is present, it would be reasonable to assume that 30% of Thymine will be present, as the ratio between the two complementary nitrogenous bases will be roughly equal.
Therefore, that leaves us with 40% between Cytosine and Guanine. Since the ratio between them would be equal, it gives us 20% of Cytosine and 20% of Guanine.
Therefore:
30% of A + 30% of T + 20% of C + 20% of G = 100% DNA
20% of thymine is present in a DNA sample that contains 30% cytosine.
What is DNA?DNA stands for deoxyribonucleic acid.It is a polynucleotide chain.A nucleotide consists- a nitrogenous base, deoxyribose sugar and phosphate group.Nitrogenous base are of two types- Purines(Adenine and Guanine) and Pyrimidine(Cytosine and Thymine).Adenine pairs with Thymine and Guanine pairs with Cytosine.What is thymine?Thymine is a Pyrimidine nitrogenous base which forms double bond with Adenine.What is cytosine?Cytosine is a Pyrimidine nitrogenous base which forms a triple bond with Guanine.There is 100% nitrogenous base in DNA.
30% of Cytosine means 30% of Guanine=60%(30+30)
So 100-60=40%(Adenine +Thymine)
So, Thymine and Adenine each will have=20%
Hence, the answer is 20% Thymine.
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When discussing seismic waves, what are shadow zones?
A)
areas on a seismograph where data cannot be detected
B)
areas in the Earth's core that cannot be penetrated by the waves
c)
areas of the Earth shielded from earthquake waves by the outer core
D)
areas in the zone of an earthquake that is does not experience damage
from the quake
Answer:
A) because some times it will not register on the computer
2. Based on the distribution of these molecules, what would most likely
happen to them after a period of time passed? *
CO2
Oz
CO2
02
02
02
02
CO2
A CO2
O2
02
CO2
The concentration of 2 will increase inside the cell.
The concentration of O2 will remain the same outside the cell.
The concentration of CO2 will remain the same inside the cell.
The concentration of CO2 will decrease outside the cell.
Answer:
The concentration of O2 will increase inside the cell
Explanation:
Due to their kinetic energy, molecules in a gas, liquid, or solid are always in motion, and the concentration of O₂ will increase inside the cell, hence option A is correct.
What are distribution molecules?There is continual movement and collision between molecules, the molecules move randomly as a result of these collisions. A continuous fluctuation of a number of substances in their relative proportions up to what is known as the limit for solubility,
More molecules will eventually be pushed into the less concentrated area. The term "solution" is most often used to describe the liquid state of matter, however, mixes of gases and solids are conceivable.
Therefore, oxygen diffuses into tissues because its concentration is higher in the blood than inside the tissue, hence option A is correct.
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Which process involves surrounding
a particle with the cytoplasm of a
cell and packaging it within a food
vacuole?
A. phagocytosis
B. mitosis
C. exocytosis
Answer:
A. phagocytosis
Explanation:
a type of endocytosis in which extensions of cytoplasm surround a particle and package it within a food vacuole. the cell then engulfs it. ... certain parts transport materials between different parts of the cell.
There are two types of endocytosis: phagocytosis and pinocytosis.
"The Kid Laroi" - Rapper-Songwriter.
Answer:
A.phagocytosis
Explanation:
Phagocytosis is also known as the cell eating. The question mentions that the process packages the particle within a food vacuole. You can infer from the fact that phagocytosis means the cell eating, that the answer is a.
Is energy stored when ATP is hydrolyzed?
Answer: ATP hydrolysis is the catabolic reaction process by which chemical energy that has been stored in the high-energy phosphoanhydride bonds in adenosine triphosphate (ATP) is released by splitting these bonds, for example in muscles, by producing work in the form of mechanical energy.
Explanation: Mark me as (brainlisti) pls
Answer:
ATP is an excellent energy storage molecule to use as "currency" due to the phosphate groups that link through phosphodiester bonds. These bonds are high energy because of the associated electronegative charges exerting a repelling force between the phosphate groups. A significant quantity of energy remains stored within the phosphate-phosphate bonds. Through metabolic processes, ATP becomes hydrolyzed into ADP, or further to AMP, and free inorganic phosphate groups. The process of ATP hydrolysis to ADP is energetically favorable, yielding Gibbs-free energy of -7.3 cal/mol.[1] ATP must continuously undergo replenishment to fuel the ever-working cell. The routine intracellular concentration of ATP is 1 to 10 uM.[2] Many feedback mechanisms are in place to ensure the maintenance of a consistent ATP level in the cell. The enhancement or inhibition of ATP synthase is a common regulatory mechanism. For example, ATP inhibits phosphofructokinase-1 (PFK1) and pyruvate kinase, two key enzymes in glycolysis, effectively acting as a negative feedback loop to inhibit glucose breakdown when there is sufficient cellular ATP.
Conversely, ADP and AMP can activate PFK1 and pyruvate kinase, serving to promote ATP synthesis in times of high-energy demand. Other systems regulate ATP, such as in the regulatory mechanisms involved in regulating ATP synthesis in the heart. Novel experiments have demonstrated that ten-second bursts called mitochondrial flashes can disrupt ATP production in the heart. During these mitochondrial flashes, the mitochondria release reactive oxygen species and effectively pause ATP synthesis. ATP production inhibition occurs during mitochondrial flashes. During low demand for energy, when heart muscle cells received sufficient building blocks needed to produce ATP, mitochondrial flashes were observed more frequently. Alternatively, when energy demand is high during rapid heart contraction, mitochondrial flashes occurred less often. These results suggested that during times when substantial amounts of ATP are needed, mitochondrial flashes occur less frequently to allow for continued ATP production. Conversely, during times of low energy output, mitochondrial flashes occurred more regularly and inhibited ATP production.[3]
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Using the diagram below, what percentage of the human body is inorganic material?
O A. 25
O B. 68
O c. 74
o D. 32
The percentage of the human body is inorganic material - B. 68.
The primary difference between organic and inorganic compounds is that organic molecules always contain carbon while most inorganic compounds do not contain carbon.
nearly all organic compounds contain carbon-hydrogen or C-H bonds.inorganic compounds include water, carbonic acid (H2CO3), and salts thereof.water is an inorganic molecule as well as ions and salts.Protein carbs and lipids are organic molecules.Thus, the percentage of the human body is inorganic material - B. 68.
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Please answer me in struggling so much with this
Answer:
The answer is 42
trust me its 42
Photosynthesis is the process of combining______and_______with______to create________.
Answer:
sunlight and water with pigment creates oxygen. I think thats the correct formation Explanation:
__ leads to the transformation of igneous rock into sedimentary rock by moving it ___ exposing it to energy from __
Answer:
Weathering
Erosion
Explanation:
This because weathering vis a process where by rocks are broken down into particle, Weathering breakdown igneous rock into pebbles or smaller pieces which then accumulates and form sediments which is then move by erosion and erosion simply means the washing away of upper part of the soil. Erosion move it and cause it to accumulate.
Recirculating aquaculture systems do not reduce the amount of wastewater that is discharged into the environment. True or false
Answer:
true im pretty sure
Explanation:
Why is mRNA made from DNA? Hint: What can it do that DNA cannot do?
Answer:
Once RNA polymerase is done, the mRNA transcript has to be processed before it can make its journey out of the nucleus and to the ribosome.
Explanation:
Answer: double compared to single
Explanation: NA is made up of deoxyribose sugar while mRNA is made up of ribose sugar. DNA is present in the nucleus while mRNA diffuses into the cytoplasm after synthesis. DNA is double-stranded while mRNA is single-stranded.
what looks like gold
beads are what part of the cell membrane?
Answer: nanoparticles
Explanation:
the word mutation means to
Answer:
wepons
Explanation:
Help fast please i will mark brainliest if it lets me
Answer: C - Substitution
Explanation: Substitution in gene mutations occurs when a base pair is replaced by a different pair during gene replication.
In the image, the third base pair in the original molecule, C-G is replaced by A-T in the new molecule. The other pairs are the same and are not mutated.
Can you be framed by your own DNA?How might an individual’s own cells lead to false verdicts of guilt?
Answer:
I don’t think you can
Explanation:
what are the causes and effects of the greenhouse effect
Answer:
The greenhouse effect is caused by the atmospheric accumulation of gases such as carbon dioxide and methane, which contain some of the heat emitted from Earth's surface. ... This radiation, unlike visible light, tends to be absorbed by the greenhouse gases in the atmosphere, raising its temperature
Explanation:
Answer: Infrared light cannot transmit through the atmosphere
I'm having a hard time on figuring out something about me...
I have never had this problem before. I feel like I can't eat anymore. When I do eat, it makes me feel sick. What is happening? what do you call this?
help pleaseee.
