Answer: A
Explanation: Because Taq polymerase came from a thermophilic bacterium known as Thermus aquaticus found in Yellowstone National park, during PCR they should be kept at a specific temperature of 72C for maximum DNA strand replication and range of 75C-80C for optimum DNA strand replication. DONT TRUST ME im not sure
Thermus aquaticus is found surviving well in the springs of the yellow stone national park. The quality does it posses that renders it fit to survive in its environment is that the resistance to high alkanity and pressure. Thus, option A is correct.
Where is the origin of Taq polymerase?Taq polymerase came from a thermophilic bacterium known as Thermus aquaticus found in Yellowstone National park, during PCR they should be kept at a specific temperature of 72C for maximum DNA strand replication and range of 75C-80C for optimum DNA strand replication.
Thermus aquaticus is found surviving well in the springs of the yellow stone national park. The quality does it posses that renders it fit to survive in its environment is that the resistance to high alkanity and pressure.
DNA replication has been the process in biology in which two identical copies of the DNA has been formed from the single original DNA molecule. The process of DNA replication takes place in each living organisms and they act as most important part of biological inheritance.
Therefore, The quality does it posses that renders it fit to survive in its environment is that the resistance to high alkanity and pressure. Thus, option A is correct.
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Why is it important to rely on factual evidence when classifying organisms?
Answer:
because it helps us to understand the relationship, similarities, and differences between the individual type of organisms
Explanation:
because it helps us to understand the relationship, similarities, and differences between the individual type of organisms
hope that helped :)
1. True or False? Climate Change refers to major and long-term changes in the average state;
temperature, precipitation, wind patterns, etc. of the Earth's climate.
Answer:
True
Explanation:
Climate change is a long-term shift in global or regional climate patterns. Often climate change refers specifically to the rise in global temperatures from ... from the sun's rays inside the atmosphere causing Earth's average temperature to rise. ... Throughout Earth's history, climate has continually changed.
1. precipitation
2. weather
3. temperature
4. windward
5. El Niño
6. The Antarctic Circumpolar Current transports warm water from the Pacific Ocean to the northern Atlantic Ocean. This warms the Atlantic Ocean and increases temperatures in the surrounding region. This reduces seasonal fluctuations in European weather patterns. also
I believe the statement that best compares weather and climate is that Weather refers to the atmospheric conditions at a given time while climate refers to the average weather conditions over an extended period of time. Weather reflects short term conditions of the atmosphere while climate is the average daily weather for an extended period of time at a certain location.
Is yeast fermentation an anaerobic or aerobic form of cellular respiration? Why?
Answer:
anaerobic
Explanation:
Answer:
Fermentation is anaerobic respiration and happens without oxygen. Glucose is converted to two ATP, ethanol, and carbon dioxide. Yeast fermentation is used to make beer and wine
Explanation:
Hope it helps!
carbon has 4 electrons in the outer shell .how does carbon attain stable electrons configuration!if ur answer it points + i wil mark as brainlist so dont miss it..
Answer:
thanks!
Explanation:
jkjdkyklytfkftlk rsjldc
our sequence is 5' - cttataaagccgtacaaaatctttctagcgcaaaa - 3'. for simplicity sake, only consider the 5' to 3' direction. consider the underlined c. would a change to a g result in a change in gene expression?
No, a change to a G would not result in a change in gene expression as the underlined C is a non-coding nucleotide and does not have any effect on gene expression.
Non-coding DNA corresponds to the portion of an organism's genome that does not code for amino acids, the building blocks of proteins. Some noncoding DNA sequences are known to play functional roles such as regulation of gene expression, whereas other regions of noncoding DNA have no known function. Other regions of non-coding DNA are important for protein assembly. By altering one of these regions, a variant (also known as a mutation) in the noncoding DNA can turn on the gene, causing the protein to be produced in the wrong place or at the wrong time. There are two types of SNPs in the coding region.Synonymous and non-synonymous SNPs. Synonymous SNPs do not affect the protein sequence, whereas non-synonymous SNPs change the amino acid sequence of the protein.
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How are traits determined? How many copies of instructions are there and where to they come from?
Why do plant cells need chloroplasts?
Answer:
Chloroplasts are vital organelles in order for plants to survive.
Explanation:
Chloroplasts capture and convert light energy into chemical energy for the plant to consume through the process of photosynthesis.
If the Earth were a piece of fruit what part would the crust be?
6. What is a limitation of the graphic model shown to the right?
A.The order of the seasons is incorrect.
B.The moon is not included in this model.
C.The model inaccurately illuminates the whole earth.
d. The size of the Earth changes from season to season
The limitation of the graphic model shown to the right is the model inaccurately illuminates the whole earth. The option to this question is C.
The graphic model you're referring to likely depicts the Earth and its tilt relative to the Sun during different seasons. The limitation of such a model is that it may inaccurately illuminate the whole Earth, suggesting that all parts of the Earth receive sunlight equally, which is not the case in reality.
The distribution of sunlight on Earth varies depending on the tilt and position of the Earth in its orbit around the Sun.
Although graphic models can help us visualize Earth's position relative to the Sun during different seasons, it is important to be aware of their limitations, such as inaccurately illustrating the distribution of sunlight on Earth.
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1. The student below is concerned with the survival of the plant in his aquarium.
Which level of ecology is his focus?
O population
O community
O ecosystem
O an organism
A calorie is a measure of energy. Assume that there are 1000 calories of plants in a chamber. If grasshoppers (a plant eating insect) eat all of the plants and a bird eats all of the grasshoppers, how many calories did the bird actually absorb if only 10% of the energy is transferred between each level.
Only 10 calories did the bird actually absorb when there is a total of 1000 calories were stored in a plant chamber.
What is Calorie?A calorie may be defined as a unit of energy that we get from food products and burn during a physical workout.
According to the 10% law given by Lindeman, if a plant chamber consists of 1000 cal., the amount of energy transferred to herbivores is 10% of 1000 which is 100 calories.
Similarly, the 10% of 100 cal., gets transferred to the next trophic level which is carnivores or secondary consumers. The 10% of 100 is 10 calories.
Therefore, only 10 calories did the bird actually absorb when there is a total of 1000 calories were stored in a plant chamber.
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which of the following is true about dna?
a. can be many different shapes
b. contains uracil as a base
c. contains cytosine as a base
d. has one hydroxyl group more than rna
Answer: C
Explanation:
Where does sugar enter the blood
Answer:
The intestines
Explanation:
The stomach breaks down sugar into glucose, which is then absorbed in the intestines and is released into the bloodstream.
Define photophosphorylation?
The photophosphorylation is the synthesis of ATP from ADP and phosphate in the plants using the light energy absorbed during the photosynthesis process.
Question 9 of 25
How does a cell's history affect the benes expressed by the cell?
OA. All of the genes contained in a cell must be expressed as soon as
the cell forms so it can differentiate.
OB. Internal and external conditions determine which genes are turned
on or off as the cell develops.
C. The genes that are turned on when a cell is developing are the only
genes that will be expressed during the cell's life.
D Refore a call dividae unnececean nongo are removed from ite
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Which genes are turned on or off as the cell develops depends on both internal and external factors. Genes regulation is a mechanism wherein the past of a cell can influence the genes that are produced by the cell.
How do cellular functions change as a result of a gene sequence?Proteins are controlled by genes, which determine how cells function. Thus, the millions of genes that are expressed in a certain cell determine the capabilities of that cell.
Why don't all of the genes in a cell's genome express themselves at once, only a subset of the genes that do?Additionally, because DNA must be unwound from its tightly coiled shape in order to be translated and transcribed, only a portion of the genes are expressed by each cell. This conserves space.
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Answer: B
Explanation:
Which Kingdom does not contain a cell wall?
help me pleasee
Answer:
Protista Protists
Explanation:
Protista. Protists are single-celled and usually move by cilia, flagella, or by amoeboid mechanisms. There is usually no cell wall, although some forms may have a cell wall.
UV radiation causes the formation of
Answer:
skin radiation, and other skin diseases
Explanation:
MAY BE USEFULSorry if it's wrong
This is a multiselect question! Select ALL of the following that correctly describe the
function of stem cells:
A)Cells that can differentiate into (become) any type of cell. Ex. blood, muscle, skin
cells.
B)Cells that can renew themselves continuously.
C) Cells that cannot specialize into different types of cells.
D) Cells that come from bone marrow or embryos.
Answer:
A, B, and D
Explanation:
Stem cells are special human cells that are able to develop into many different cell types. They commonly come from bone marrow, and from embryos.
reactions build smaller molecules
to larger molecules, while ____ reactions
break down larger molecules into smaller
molecules.
Answer:
Catabolic Reactions
Explanation:
they breakdown ATP
Explain how this experiment models a cell membrane. Use the following terms in your explanation: selectively permeable, hypertonic, diffusion, indicator.
The cell membrane is considered the outer boundary of the cell and is selectively permeable, allowing diffusion of gases such as oxygen and carbon dioxide, water and micronutrients.
How can cell membranes ensure a certain permeability?Cell membranes are said to be selectively permeable because only certain molecules can pass through them. Only certain types of molecules, such as water and gas molecules, can pass directly through cell membranes.
Model membrane system:
The properties of lipids in membranes have been demonstrated in detail using a membrane model system. Multilamellar liposomes are one of the most commonly used model membrane systems.
See below for more information on cell membranes.
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In this diagram below , which of the stomach tissues would be muscular tissues ?
- tissue 1 : forms the outer lining of the stomach
-tissue 2 : produces enzymes which are secreted into the stomach cavity
- tissue 3 : cells in this tissue contract to churn the contents of the stomach
In a numeric number
Tissue 1 which forms the outer lining of the stomach would be the muscular tissues.
What is Muscularis mucosa?
This is referred to as the outermost layer of the mucosa and comprises of elastic fibers and smooth muscle cells.
The muscular tissue is therefore tissue 1 as a result of its location and function in the body.
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benefits of variation in height
Answer:
It’s nice to be tall. Tall people are more likely to get hired, get promoted and are paid better than their shorter counterparts. They can reach things from high shelves, have unobstructed views at parades, and are consistently rated as being more attractive than others. Overall seems like a sweet deal.
If you are short, you get depressed when some points out that a study in the New England Journal of Medicine suggested that shorter people are at higher risk for heart disease. However, you might find some solace from a study published in PLOS one that found that shorter people lived longer or another study that suggested that taller people are at increased risk for cancer. When it comes to whether it is better to be tall or short, there is a lot of medical research on the subject, and one half contradicts the other half.
These studies get a lot of media play because they are instinctively popular. We are obsessed with height as a society. After all, we invented high-heeled shoes to defy genetics and punish our ankles.
But every time a report claims that taller is better (or that shorter is better), headline writers seem to consistently forget that six months ago they were claiming the opposite.
But being short i also nice so if someone is making fun for your height its because their insecure about their own height
Answer:
Variation in height creates a diverse and more dynamic world, we need certain heights for certain careers as well as certain tasks.
__________________________________________________________
QuestionsAsk in comments box.
.A jogger with a mass of 81.6 kg is moving at 2.2 m/s. What is the jogger's
kinetic energy
Answer:
89.6Joules
Explanation:
Kinetic energy is 1/2MV^2
Where m is Mass and v is velocity.
M=81.6 v=2.2m/s
K.E= 1/2 × 81.6 × 2.2
= 81.6 ×1.1
K.E=89.6 Joules
someone please please help me
Onepage review on why understanding gas and vapors in a work setting is important and what we can do in our workplace to prevent accidents with gases and vapors.
Understanding gas and vapours in a work setting is incredibly important for workplace safety. Gas and vapours can contain noxious substances that, if exposed to, can lead to serious injury or health implications.
In order to prevent such accidents, employers must perform risk assessments in order to assess and identify any areas of risk and put in place control measures to limit them. If gas and vapours are used onsite, then suitable ventilation and extraction systems should be in place.
Employers should also ensure that their staff are aware of the potential risks associated with such substances and provide adequate training and instruction in how to work safely. Finally, employers should also check that any necessary personal protective equipment is provided and communications are in place to be able to notify relevant emergancy responders in case of an accident.
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Identify the 5 characteristics that define a mineral?
Answer:
Most minerals can be characterized and classified by their unique physical properties: hardness, luster, color, streak, specific gravity, cleavage, fracture, and tenacity.
(hope this helps)
Water Quality Assessment for Colorado Lake Year Temperature (°C) Dissolved Oxygen (DO) (mg/L) Alkalinity (CaCO3 mg/L) pH 1965 20.1 3.3 274 8.1 1975 17.3 8.6 181 8.8 2008 16.9 9.4 155 8.8 2014 17.8 8.6 124 8.4 i. Calculate the percent change in average daily temperature in June, July, and August between 1965 and 1975. 1 Upload files Supported file formats: PDF, JPG, GIF, PNG, TXT, Word, Excel, Powerpoint ii. Calculate the average change of dissolved oxygen per year in the lake over the course of the at.... na... ii. Calculate the average change of dissolved oxygen per year in the lake over the course of the study. Show your work. 1 Upload files Supported file formats: PDF, JPG, GIF, PNG, TXT, Word, Excel, Powerpoint iii. Calculate how many times greater the change in phosphorous levels between 1965 and 1975 is than between 2008 and 2014.
The change in phosphorous levels between 1965 and 1975 is four times greater than the change in phosphorous levels between 2008 and 2014.
i) The percentage change in average daily temperature in June, July, and August between 1965 and 1975 is:
Percent change = ((1975 temp. - 1965 temp.)/1965 temp.) x 100%
= ((17.3 - 20.1)/20.1) x 100%
= -14.0%
ii) The average change of dissolved oxygen per year in the lake over the course of the study is:
Average change of dissolved oxygen = ((2014 DO - 1965 DO) / (2014 year - 1965 year))
= (8.6 - 3.3) / (2014 - 1965)
= 0.151 mg/L per year
iii) The change in phosphorous levels between 1965 and 1975 is:
Change = 150 - 274
= -124
The change in phosphorous levels between 2008 and 2014 is:
Change = 124 - 155
= -31
The ratio of the change in phosphorous levels between 1965 and 1975 to the change in phosphorous levels between 2008 and 2014 is:
=-124 / -31
= 4
Therefore, the change in phosphorous levels between 1965 and 1975 is four times greater than the change in phosphorous levels between 2008 and 2014.
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Character displacement differs from resource partitioning because character displacement ________.
Because character displacement is directly linked to the evolution of genotypes that have allowed alternate resource use.
What is resource partitioning ?Asset Apportioning alludes to the division of assets to keep away from interspecific rivalry for restricted assets in a biological system. A transformative variation assists different species with coinciding in an environmental local area.
Asset parceling concentrates on help in deciding the impact of the expansion or expulsion of an animal categories in a specific natural surroundings and the working of a biological system.
In a biological system, life forms require assets, for example, supplements and territories to develop, repeat and live. There are restricted assets present in a territory for which all organic entities contend.
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A sample of Potassium-40 has a mass of 2020 grams.
Potassium-40 has a half life of 1.3 b.y. How much Potassium-40 and Argon 40 would there be after 5.2 b.y.
The idea here is that the ratio that exists between the number of atoms of argon-40 and the number of atoms of potassium-40 will give you the number of half-lives that passed.
As you know, the half-life of a radioactive nuclide tells you the time needed for half of the atoms of said nuclide to undergo radioactive decay.
In your case, you know that potassium-40 has a half-life of
1.25
billion years because that's how long it takes for half of the number of atoms present in the sample to decay to argon-40.
Now, let's say that your sample started with
A
K-40
atoms of potassium-40 and
0
atoms of argon-40.
You can thus say that the sample will contain--keep in mind that the atoms of potassium that decay form argon-40!
After
1
half-life
1
2
⋅
A
K-40
=
A
K-40
2
1
→
atoms of potassium-40
A
K-40
−
A
K-40
2
1
→
atoms of argon-40
After
2
half-lives
1
2
⋅
A
K-40
2
1
=
A
K-40
2
2
→
atoms of potassium-40
A
K-40
−
A
K-40
2
2
→
atoms of argon-40
After
3
half-lives
1
2
⋅
A
K-40
2
2
=
A
K-40
2
3
→
atoms of potassium-40
A
K-40
−
A
K-40
2
3
→
atoms of argon-40
At this point, we can use this pattern to say that after
n
half-lives pass, the sample will contain
A
K-40
2
n
→
atoms of potassium-40
1
−
A
K-40
2
n
→
atoms of argon-40
Now, you know that sample contains
31
atoms of argon-40 for every
1
atom of potassium-40, which means that you have
A
K-40
−
A
K-40
2
n
A
K-40
2
n
=
31
This is equivalent to
A
K-40
−
A
K-40
2
n
A
K-40
2
n
=
31
2
n
−
1
2
n
⋅
2
n
1
=
31
which gives you
2
n
=
32
Since
32
=
2
5
you can say that
2
n
=
2
5
⇒
n
=
5
This means that
5
half lives must pass in order for the sample to contain
31
atoms of argon-40 for every
1
atom of potassium-40.
Consequently, you can say that the age of the rock is
5
half-lives
⋅
1.25 billion years
1
half-life
=
6.25 billion years
−−−−−−−−−−−−−−−
I'll leave the answer rounded to three sig figs, but keep in mind that you have two significant figures for the number of atoms of argon-40 present per atom of potassium-40.
Using the drop down menus, identify the structures common to all cells.
Answer:
i need the choices
Explanation: