Answer:
843%
Explanation:
2,829-300= 2,529/300=8.43(100)= 843% Increase in species diversity after completing the survey.
The percent (%) increase in species diversity is 843%.
HOW TO CALCULATE PERCENTAGE INCREASE:
The percentage increase can be calculated by dividing the increment by the original number, then multiplying by 100.Increase = new value - original value
In this case, the number of species went from from 300 to 2,829 species. Hence, the increase is calculated as follows:2829 - 300
= 2529.
The percent increase is therefore;
= 2529/300 × 100
= 8.43 × 100
= 843%.
Therefore, the percent (%) increase in species diversity is 843%.
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high efficiency transformation of intact yeast cells using single stranded nucleic acids as a carrier
The efficiency of genetic transformation of intact Saccharomyces cerevisiae cells rose to more than 1 105 transformants per microgram of vector DNA and to 1.5% transformants per viable cell utilising a method that produces competent cells using LiAc.
What is nucleic acids ?Biopolymers and macromolecules called nucleic acids are necessary for all known forms of life. They are constructed of monomers called nucleotides, which are composed of a nitrogenous base, a phosphate group, and a 5-carbon sugar. Deoxyribonucleic acid and ribonucleic acid are the two primary types of nucleic acids.
Gene expression, cellular activity regulation, genetic information storage and transfer are the three primary uses of nucleic acids.Learn more about Nucleic acid here:
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you are pushing a box to the right with a force of 15n. The friction from the floor opposes the movement with a force of 5n. What is the net force
Answer:
10n
Explanation:
15n-5n=10n
Since the floor opposes the movement you would subtract the amount of friction(5n) from the total force that it was being pushed by (15n), thus you would get 10n.
What is the answer for this question?
5. Was the rock pulled apart, pushed together, or did it slide past another rock to make this fomation? Explain your answer. What type of fault is this? How do you know?
Answer:
Pushed together
Explanation:
You can tell because of the layering in the rock formation.
functions of androecium in point
Answer: The point of stamen, which connects the anther and the filament is called connective. Its main function is the production of microspores, i.e., pollen grains containing male gametes within the anther lobe.
Explanation:
i need this pleaseee someone answer please ill mark brainlinest
Answer:
K = Epicotyl
L = Radicle
M = Cotyledon
N = Micropyle
Hope this helps.
Stay safe and Merry Christmas! :)
the california current is a surface current that carries water south from polar regions, ANSWER THE QUESTION DOWN HERE! FAST! I WILL GIVE BRAINLIEST!
Answer:
B Winds moving east push the current towards the Western coast of the United states
Explanation:
The intensity of the California current is influenced by strong northwesterly winds. These winds predominantly blow along shore, which because of the earth's rotation causes water to be transported in an offshore direction.
oh and
D
the water cools and gets denser as it flows south, causing it to sink near the western coast of united states
Which of the following is an accurate description of science?
A.Hypotheses may or may not be testable.
B.Explanations are based on observations, evidence and testing.
C.Scientific knowledge does not need peer review and verification before acceptance.
D.Understandings will never change with additional data and testing.
Answer:B I think
Explanation:
Which processes of the water cycle retum water vapor
directly to the atmosphere?
Answer: the answer is evaperation :)
3. Will a rubber band or string hold more weight without breaking?
IV:
DV:
Hypothesis:
A rubber band will hold more weight without breaking.
The breaking strength of a material is given by a quantity known as Young’s Modulus. The Young’s modulus(Y) has a different value for different materials and its formula is as follows: Y = F(L)/A(ΔL). Here F is the maximum amount of force that the material can handle without breaking. L is the length of the material, A is the area of cross section of the material, ΔL is the change in length.
As we can see from the above formula, the maximum force handled by a material is directly proportional to the Young’s Modulus of the material. So, a material with a greater value of Y will hold more weight without breaking. As the value of Young’s Modulus is greater for rubber than a string, the rubber band can hold more weight without breaking.
Thus, a rubber band will hold more weight without breaking.
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A keystone species is a species that has an unusually __________ effect on its ecosystem.
*
large
small
Answer:
A keystone species is a species that has an unusually large effect on its ecosystem.
Explanation:
hope this help
Answer:
large
Explanation:
it's a keystone species because it's unusually important in its ecosystem, it plays a big part.
the word keystone is used because it has to do with something being dependent on it
A loan used to purchase a home is usually known as what? A. a life loan B. a mortgage C. a direct loan D. a renter’s loan
Answer:
A mortgage
Explanation: a mortgage is what you pay to the bank for a home loan
Which of the following is an internal stimulus?
a When an animal notices a change in seasons.
b When an animal sees a potential mate.
c When an animal is in pain.
d When an animal sees a predator.
Answer:
I believe the answer would be c
Answer:
Internal stimuli are changes to conditions inside the body, such as dangerous food in the stomach, viruses in the body, or lack of food or water.
Explanation:
hope this help
pick me as the brainliest
use the assumption that an owl produces an average of 2.5 pellets per day. please note that a vole is ‘equivalent’ to a mouse
Assuming that an owl produces 2.5 pellets on average every day
Vole equal to a mouse, N=14
D=2.5×N
= 2.5×14
= 35
Y= 365×D
= 365×35
= 12775
What is an assumption?A person takes it upon themselves to assume a new position. the assumption of authority is the act of claiming something or taking possession of it a false assumption is believing something to be true.
Which of these four assumptions are they?Ontological, epistemological, axiological, and methodological assumptions make up their four main presuppositions.
What is the Assumption's purpose?You can check if you can appropriately infer conclusions from the findings of your study by conducting assumption testing on it. Assumptions can be thought of as the conditions you must meet in order to carry out your analysis.
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In chili peppers, hot (H) flavor is dominant over mild flavor (h). If a chili grower wanted to grow only hot peppers, which of the crosses below would produce the largest number of hot flavored offspring? (Make a punnett square using the answer choices to find the correct answer.)
In punnett square, the crossing result will be HH,Hh,HH,Hh which means all are going to be hot chili peppers since H (dominant) is present in all of them.
What do you mean by punnett square?The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment. It is named after Reginald C. Punnett, who devised the approach in 1905.
A Punnett Square is a helpful tool that helps to predict the variations and probabilities that can come from cross breeding.
The diagram is used by biologists to determine the probability of an offspring having a particular genotype.
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Which organ uses the circulatory system to communicate with cells throughout the body to control the amount of sugar they have available?
a scientist conducted an expirement to determine the effect of the enviroment on the color of fur of a himalayan rabit
The Himalayan rabbit's environment entirely determines the color of its coat.
How does the environment affect the coat color on the fur of a Himalayan rabbit?The color of newborn Himalayan rabbits is either white or light grey. Beginning at the age of four weeks and ending at six months, coloring the coat is a process. The temperature of the environment affects the color of the coat, which grows darker in colder climates and lighter in warmer ones. The Himalayan rabbit's hair turns black when it is subjected to subfreezing conditions. That area's fur finally turned black. The rabbit's newly grown fur will be black in color if the white fur is removed and the animal is kept at a low temperature. Considering this, it is clear that temperature affects the expression of genes that control this organism's fur color.
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Why is cyanide so lethal
Explanation:
It prevents the cells of the body from using oxygen and when this happens the cells die. It is most harmful for the heart and the brain because they use a lot of oxygen.
Answer:
Cyanide prevents the cells of the body from using oxygen.
Explanation:
When this happens, the cells die. Cyanide is more harmful to the heart and brain than to other organs because the heart and brain use a lot of oxygen. Cyanide poisons the mitochondrial electron transport chain within cells and renders the body unable to derive energy (adenosine triphosphate-ATP) from oxygen. Specifically, it binds to the a3 portion (complex IV) of cytochrome oxidase and prevents cells from using oxygen, causing rapid death
Hi can someone please help me! I am a 7th grader btw
Answer:
Q1)
In the image, the bird is eating a yellow insect and the green insect is camouflaged in the leave, which leaves it unharmed.
Q2)
In several generations, you would expect more green insects. This is due to the survival of the fittest and the useful genes will be reproduced for the next generation. In this case, this is the characteristic of the green colour. However, the yellow insects will be more susceptible to predation so they are less likely to reproduce. This means in several generations, the yellow insects may be extinct and the green insects will be left in abundance.
Hope this helps :)
Other than their use in nucleic acid synthesis, which energy source is used uniquely for the synthesis of lipids?
a. atp
b. utp
c. gtp
d. ctp
e. none of these is unique to fatty acid synthesis
The correct answer is option d. CTP stands for Cytidine triphosphate.
In metabolic processes including the formation of glycerophospholipids, where it is used to activate and transfer diacylglycerol and lipid head groups, as well as glycosylate proteins, CTP functions as a coenzyme. Aspartate carbamoyltransferase, an enzyme required for pyrimidine production, is inhibited by CTP.The pyrimidine nucleoside triphosphate known as cytidine 5′-triphosphate (CTP) is similar to the more well-known ATP but uses cytidine as the base instead of adenine. It serves as a substrate in RNA production.A well-known example of feedback inhibition is the allosteric inhibitor cytidine triphosphate (CTP), which prevents an enzyme from initiating a step at the start of a biosynthetic pathway.CTP takes into account both the availability of materials and capacity, providing a more accurate picture of whether demand can be met within a specific time frame than ATP, which solely analyzes material availability and assumes infinite capacity resources.Learn more about Lipids here:
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What are the differences between old type of wheat and modern wheat
Answer:
Ancient grains are not only “more natural,” they also tend to be higher in fiber, protein, vitamins and minerals than modern wheat
A renewable resource could become so polluted that the remaining amount of it could not be used.
O True
O False
Explain the biological significance of menstruation?
Answer:
Menstruation occurs in cycles. The ovaries prepare an egg (oocyte) for release and the womb (uterus) prepares a lining to nourish the egg if it is fertilised. When the egg is not fertilised, the lining of the womb is shed and a woman gets her period (menstrual bleeding)
Answer:
when the thickened lining of the uterus endometrium leaves the body through the vagina. The lining of the uterus supplies a fertilised egg with nutrients, so if the egg isn't fertilised, then the lining is no longer needed.
Do polar bears eat penguins?
Answer:
No
Explanation:
Polar Bears do not eat penguins because polar bears live in the arctic region (north pole) while penguins live in Antartica and in the southern hemisphere. As both polar bears and penguins live poles apart so there is no chance for the polar bears to eat penguins.
Which of the following describes a frameshift mutation?
A)Insertion or deletion of a group of nucleotides that is a multiple of three
B)Insertion or deletion of nucleotides that results in a premature stop codon
C)Insertion or deletion of a group of nucleotides that is not a multiple of three
D)Substitution of one nucleotide for another
The correct answer is C because a frameshift mutation is a genetic mutation caused by indels of a number of nucleotides in a DNA sequence that is not divisible by three
Answer:
The statement that best describes the frameshift mutation is insertion or deletion of a group of nucleotides that is not a multiple of three (option C).
Explanation:
Frameshift mutation occurs when nucleotides are inserted or lost in a sequence of bases, altering the reading frame and the way nitrogenous bases are grouped together.
The sequence of nucleotides in DNA determines the mRNA nucleotide sequence, on which amino acid synthesis depends. This sequence is read in threes, and the gain or loss of nucleotides, not multiples of three, causes the normal reading to be altered.
A change in the reading frame can produce an amino acid that does not correspond to the structure of a protein, or the coding of a STOP codon, which interrupts the synthesis of a protein and leaves it incomplete.
Scientists study the Earth's seismic waves to
A. learn about the wind speed during a tornado
B. learn about the height of mountains
C. learn about the Earth's interior
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Answer:To learn about the earths interior
Explanation:
What type of cell is Cell B?
Choose 1 answer:
(Choice A)
Bacterial cell
(Choice B)
Plant cell
(Choice C)
Fungal cell
(Choice D)
Animal cell
Answer:
D
Explanation:
becoz it is an animal cell
Answer:
I think the answer is B.
Explanation:
I hope this help
Earth was very different over
years ago, when the coal used today began forming.
O A) 500
OB) 250
O 350
D) 600
which means of partial transport requires energy from the cell.
diffusion
passive transport
active transport
osmosis
Answer:
Active transport
Explanation:
Active transport requires energy from the cell. It occurs when substances move from areas of lower to higher concentration or when very large molecules are transported. Types of active transport include ion pumps, such as the sodium-potassium pump, and vesicle transport, which includes endocytosis and exocytosis.
Hope this helps!
Give one (1) example of an energy transformation.
Answer:
An energy transformation is the change of energy from one form to another. Energy transformations occur everywhere every second of the day. There are many different forms of energy such as electrical, thermal, nuclear, mechanical, electromagnetic, sound, and chemical. Because the law of conservation of energy states that energy is always conserved in the universe and simply changes from one form to another, many energy transformations are taking place constantly.
Hope helps you
Explanation: