15. Which micropipette would you use to measure the following
volumes?
a. 250 ML _____
b. 75 uL ______
c. 189 uL ______
d. 5 uL _______
Answers
2.p100
3.p200
4.p20
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Related Questions
HELP PLEASE
Simon is presenting a project on scientific laws and theories. Which of the following statements should he include to explain the differences between the two?
A. Scientific theories requires scientific evidence but scientific laws do not.
B. Scientific theories are based on observations and scientific laws are based on opinions.
C. Scientific theories explain why something happens, and scientific laws describe what happens.
D. Scientific theories are rarely changed and scientific laws are modified frequently
Answers
Answer:
yomom gay
Explanation:
ohyayayaya
Fishing is a major part of many Caribbean economies. The yellowtail snapper and
Nassau grouper are important food fishes. However, a lack of adequate regulation
has led to overfishing in many areas and consequent damage to reefs.
When grouper fishing is set to 70% what happens to the population of others fish
populations in the reef?
Answers
Answer:
The reef collapses.
Explanation:
The variety of life in the Caribbean makes up the reefs and when they are taken away by the fishermen and leaving the areas without fish population the population of other fish also declines and it impacts the reef formation and growth. The corals cannot survive with them and thus collapses the entire marine ecosystem.Which of these is composed of organic compounds?
Granite
Bird
Gold ring
Silver Fork
Answers
Answer:
the answer is the Bird.
Answer:
The answer is bird
Explanation:
The bird is the only thing made out of living matter which makes it organic
Lipids, like those in butter, can be broken down into the simple substance that make them up called? A.starches
B.amino acids
C. Carbohydrates
D.fatty acids
Answers
Lipids, like those in butter, can be broken down into the simple substance that make them up called fatty acids. Thus, option D is correct.
What are fatty acids ?A saturated or unsaturated fatty acid is a carboxylic acid with an aliphatic chain in chemistry, particularly biochemistry. Fatty acids are a major component of the lipids (up to 70% by weight) in some species, such as microalgae.
But in other organisms, they are not found in their standalone form but rather exist as three main classes of esters: cholesterol esters, phospholipids, and triglycerides Fatty acids are important structural components of cells and important fuel sources for animals in any of these forms.
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Which statement is a scientific theory?
The acceleration of an object increases as the force on an object increases.
All matter is made up of particles, called atoms, that are constantly moving.
A ray of light reflects off of a mirror at the same angle that it hits the mirror.
The total amount of mass present does not change during a chemical reaction.
Answers
Answer:
Acceleration of an object increases as the force of an object increases is the scientific theory. Hope this helps :)
Explanation:
Matt makes $80 a month mowing lawns. His friend James also mows lawns, but he makes x dollars less per month than Matt does. James makes a total of $816 per year. How much less each month does James make than Matt?
Equation: 12(80 – x) = 816
Solve the linear equation to find the value for x.
x =
How much does James earn each month?
Remember that x represents how much less per month James makes than Matt.
Answers
Answer:
The data is:
Matt makes $80 per moth.
James makes ($80 - x) per month.
James makes $816 per year.
Now, a year has 12 months, then we have that:
($80 - x)*12 = $816
With this equation we can find the value of x.
so we must isolate x in one side:
($80 - x)*12 = $816
$80*12 - x*12 = $816
$960 - x*12 = $816
x*12 = $960 - $816 = $144
x = $144/12 = $12
Then james makes $12 less than Matt each month, this means that James makes:
J = ($80 - $12) = $68 per month.
Answer:
X= 12
$68
Explanation:
I got it right on edge
. Which of the following refers to a physical trait, such as color, size, or odor? A. experimental group B. qualitative trait C. quantitative trait D. control group
Answers
Answer:
B Qualitative
Explanation:
color, size and smell are all qualities of the organism
Which of the following statements are true? Check all that apply. All things are made of molecules. All things are made of atoms. All living things are made of atoms. All living things arise from chemical interactions.
Answers
Answer:
all things are made of atoms
Explanation:
atoms are the building blocks of life you are made of atoms.
Answer: All things are made of atoms.
All living things are made of atoms.
All living things arise from chemical interactions.
Those three are the answers.
can. yall help me with thatttt PLZZZZ
Answers
Answer:
Rational numbers are all numbers integers are like -1 -2 0 1 2 integers are negative whole numbers and positive whole numbers also 0 whole numbers are just 0 1 2 3 4 5 and so on
Calculate to average diameter for each bubble solution. Super bubble=____cm regular bubble soap____cm
Use the results on the chart
Answers
The average diameter of superbubbles is 15.1 cm and the average diameter of regular soap bubbles is 11.5.
What is meant by average value?
The mean obtained by obtaining the ratio of the sum of total values in a set of data and the total number of values in a given data is called the average of the data.
The formula for average had several applications. The average number of people suffering from a disease can help in the study of the disease.
The average is calculated by finding the sum of numbers and dividing it by the total values of numbers.
Thus
The average diameter of superbubbles =
[tex]\frac{15+10+12+18+22+13+16+18+15+12 }{10} = 15.1[/tex]
The average diameter of regular bubbles =
[tex]\frac{10+5+16+11+12+11+15+15+6}{10} =11.5[/tex]
Therefore, the average diameter of superbubbles is greater than the average diameter of regular bubbles.
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Based on the graph, at what temperature does this enzyme work best? * Captionless Image 47 C 30 C 40 C 15 C
Answers
The enzyme works best at optimum temperature. They will best at 37 degree celcius.
What is the optimum temperature?Enzymes function best between 20 and 35 °C. At very low temperatures, they become inactive, and at very high temperatures, higher than 45°C, they get denatured, or destroyed.
A greater rate of collisions between enzymes and substrates may result from increased molecular activity brought on by temperature increases.
However, if the temperature increases too much, the enzymes may become denatured and the beneficial benefits of the temperature increase may be reversed.
Therefore, The enzyme works best at optimum temperature. They will best at 37 degree celcius.
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DNA and RNA share a number of similarities, but they also differ in certain aspects of their structure. Which nitrogenous base is found in RNA but is not found in DNA? uracil
Answers
Answer:
Uracil is present in RNA and binds to adenine whereas thymine is present in DNA and binds to adenine.
Explanation:
What is the characteristic of a Urodeles
Answers
The 4 different types of microorgansisms?
Answers
Answer:
FungiProtozoaAlgaeViruses.Explanation:
others are; Bacteria and Archaea
fungusvirusbacteriagerms
Question 5 of 10
What could a human living now and a horse living thousands of years ago
have in common?
A. They are made of some of the same matter.
B. They both get their energy directly from the sun.
C. They need the same amount of energy to survive.
D. They have the exact same DNA.
SUBMIT
Answers
Answer:
A
Explanation:
although they may evolve, done if the matter will remain the same.
what type of mixture is blood? solvent, suspension, solution, or a buffer
Answers
Answer:
suspension
Explanation:
colorless fluid holds blood cells in suspension.
True or False and your reasoning : Corona-virus is a bacteria that affects one’s immune system, causing illness.
Answers
Answer:
False
Explanation:
Coronavirus is a virus. Viruses cannot be caused by bacteria.
Answer:
FALSE,
Explanation:
I KNOW THAT DIGESTIVE SYSTEMS LIKE CHRONIC VOMINTING AND DIAHREA ARE INCLUDED IN CORONA ON TOP OF RESPITORY SYMPTOMS, ITS NOT A BACTERIAL INFECTION, A BACTERIAL INFECTION DONT INCLUDE ANY RESPITORY SYMPTOMS, BUT ONLY VOMITING AND DIARHREA, ETC WHICH AFFECTS THE BOWELS AND STOMACH ETC.
Which organelle is responsible for packaging and sending out proteins to their proper destinations? Choose 1 answer: (Choice A) A Mitochondria (Choice B) B Golgi body (Choice C) C Nucleus (Choice D) D Lysosome
Answers
Answer:
(Choice B) Golgi Body
Explanation:
The rough endoplasmic reticulum works with the Golgi apparatus to move new proteins to their proper destinations in the cell.
The Golgi body is in charge of storing proteins from the rough endoplasmic reticulum in membrane-bound vesicles, which are small lipid bilayer storage units that move molecules to the cell membrane, hence option B is correct.
What is the Golgi body?In all eukaryotic cells, the cytoplasm a gel-like fluid retained in the cell membrane contains a stack of membranes that make up the Golgi apparatus (i.e., complex cells).
Camillo Golgi, who discovered a reticular structure in the cytoplasm of several cell types using silver chromate staining, gave the Golgi apparatus (also known as Golgi to its admirers), its first official name in 1888.
Therefore, the nucleus and rough endoplasmic reticulum are frequently located nearby, an organelle involved in protein synthesis, hence option B is correct.
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What type of bond is formed when two atoms share a pair of electrons?
Answers
8
20 points
Which of the following is a property of water? (There is more than one correct answe
Water molecules constrict upon freezing.
Water has the ability to moderate temperature.
Water is a versatile solvent.
Water displays cohesive behavior.
Answers
Answer: A, B, C, D
I am pretty sure it is all of them.
Explanation:
I say this because when molecules freeze they stop moving as fast. And then waters like oceans can monitor their tempurature by storing and realesing heat from the sun. Also water is a solvent because it breaks apart most subsentces. The solvent one I am not so sure about because it does not break down everything but idk. And also it can be cohesive, that is how water can stay on top of a glass. I hope I am not wrong and i hope this helps! :)
In a symbiotic relationship, A a parasite eats its host. B there are too many carbon emissions in the atmosphere. C the environment is rapidly thrown out of balance. D two organisms depend on each other for survival.
Answers
Answer:
D two organisms depend on each other for survival.
Explanation:
Symbiotic relationship is a type of relationship between two organisms in which the both of them gain something positive from each other. A good example is the relationship between the cattle and egret. The egret helps in grooming the cattle and the cattle in return provides food for the egret.
In a symbiotic relationship, two organisms depend on each other for survival and is the right choice in the above question.
Plants and ____, like bacteria, work together in a symbiotic relationship to transform nitrogen into a usable forn for plants and, eventually, other organisms.
Answers
Answer:
Decomposers
Explanation:
Decomposers transform forms of nitrogen organisms cannot use into forms of nitrogen that plants can use
Choose one property of water that makes it unique. Describe the property and explain the chemical or physical reason that causes water to have that property.
Answers
Answer:
Cohesion
Explanation:
Water molecules have extremely strong cohesive forces, meaning they are heavily attracted to each other. This is due to their ability to form hydrogen bonds, which is a particularly strong intermolecular force.
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What is the next step in the scientific method following forming a hypothesis A.stating the question B.Analyzing the data C. Conducting an experiment
Answers
Answer:
After forming a hypothesis, design an experiment is the next step in conducting scientific investigations.
Explanation:
hope this helps
Answer: C - Conducting an Experiment
Explanation: Apex
How would the feeding activities
of a monkey be affected if it had
a large heavy body?
Answers
Answer:
The larger the body the more energy consumed thee more food is needed so more effort
According to Darwin's theory of evolution, which organisms are BEST able to survive in nature? A) those with the best camouflage and coloration B) organisms that possess the greatest number of mutations Eliminate C) those that possess characteristics acquired during their lifetime D) organisms that possess overall characteristics best suited to their environment
Answers
Answer: D)organisms that possess overall characteristics best suited to their environment
Explanation: organisms that can evolve best suited have a better chance of life for example if put a rat in the arctic it will die to the cold but a paler bear will survive.
Is hunting in groups more effective than solo?
Answers
Answer:
Yes
Explanation:
Hunting in groups is much more effective than hunting solo because you have more people to help catch whatever it is you're trying to get.
What is the difference between living and non-living? Be sure to describe the characteristics of living things in your answer.
Answers
How is ADP converted to ATP?
- by the addition of one phosphate molecule
- by the addition of one adenosine molecule
- by the removal of one phosphate molecule
- by the removal of one adenosine molecule
Answers
Adenosine diphosphate (ADP) has been the organic compound involved in metabolic reactions. It makes ATP by adding one more phosphate molecule. Thus, option A is correct.
What are ADP and ATP?ADP is the abbreviation for Adenosine diphosphate, an important organic molecule that is crucial for the cellular and metabolic process and to make ATP. It is composed of one adenosine, two phosphates, and one sugar molecule.
ATP, on the other hand, is Adenosine triphosphate the most important organic molecule for the living cell that provides energy to drive the various activities and functions in the body. It has been comprised of one adenosine, three phosphates, and one sugar molecule.
The conversion of ADP to ATP is shown as ADP + Pi + energy → ATP
Therefore, option A. addition of one phosphate to ADP converts it to ATP.
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QUICK I HAVE A SCIENCE PROJECT DUE AND I CAN'T FIND THE ANSWER ANYWHERE: how much does a lemon grow in a week?
Answers
Explanation:
The time from flowering to harvest is contingent on a host of conditions, including the lemon tree's cultural conditions, outdoor temperatures, the number of lemons produced and the cultivar being grown, but generally takes anywhere from four months to one year.