list and explain the three classes of enzymes​

Answer:

B

Explanation:

 The Ring of Fire, also referred to as the Circum-Pacific Belt, is a path along the Pacific Ocean characterized by active volcanoes and frequent earthquakes.  

Answer:

34

Explanation:

B codes for brown bodies.

E codes of red eyes.

b and e together code for black bodies and brown eyes.

Heterozygous brown body snake would have the genotype Bb.

Heterozygous red eyes would have the genotype Ee.

Individuals that are heteozygous for both trait would have the genotype BbEe.

Crossing two heterozygous individuals:

BbEe   x   BbEe

Progeny:

9 BBEE

3 B_ee

3 bbE_

1 bbee

Recall that black bodies and brown eyes requires be, hence the ratio of the progeny with black bodies and brown eyes is 1/16.

If the total number of offspring produced is 544, the number predicted to have black bodes and brown eyes would be:

    1/16 x 544 = 34

Answer:

Kidneys, skin and large intestine. Organs of excretion include the skin, liver, large intestine, lungs, and kidneys. All of them excrete wastes, and together they make up the excretory system. The skin plays a role in excretion through the production of sweat by sweat glands.

Explanation:

Answer: SKIN

Explanation: Perspiration is the process of sweating so your skin does that

Answer:

Topogenic sequences share a series of structural features, and thereby computational algorithms can be used to predict these protein-membrane segments  

Explanation:

Topogenic sequences are protein segments formed by alpha-helical transmembrane domains, which are required for the insertion of membrane proteins. These domains share a series of well-defined features: they are composed of segments of about 20 hydrophobic amino-acid residues. In consequence, computational algorithms can be designed to identify protein patterns that fulfill these structural requirements (i.e. segments with a length of 20 residues, hydrophobic level, etc). The models assign a similarity threshold (threshold value) that predict if the similarity level of the protein pattern is good enough to detect a topogenic segment.

Answer: Draw a conclusion about your hypothesis

Explanation:

If the results match up, then the data supports the hypothesis and thus, the hypothesis itself SUPPORTS the idea that you're studying. Afterward, discuss the experiment with your peers.

Never say that a hypothesis has been proven, because you are not proving anything, it is support.

Answer:

Any  treatment which involves reduction in the levels of insulin to curb excessive influx of glucose into the cells from the blood  will be an ideal treatments.

Glucagon, which converts excess glucose to glycogen. Glucocorticoids induces insulin resistance thus raises glucose levels.

suppressing insulin release will be another option.

Therefore all options are correct.

Explanation:

Answer: no

Explanation: vertebrates vary in sizes and shapes! humans have 206 bones but when born they have 300!

wild right?

Answer:

no

Explanation:

humans have 206 bones when you where born you have 300

Answer:

-1 I believe

Explanation:

Answer: B.)

Explanation:

The statement is true regarding limestone and dolostone is as follows:

Thus, the correct option is B.

Dolostone may be defined as a sedimentary carbonate rock that possesses a high percentage of the mineral dolomite, CaMg(CO3)2.

Limestone is composed of the mineral calcite (CaCO3), while dolostone is composed of the mineral dolomite. They are both very similar to one another.

Limestone reacts with acids in solid form while dolostone visibly reacts with acids, if powdered.

Therefore, the correct option for this question is B.

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Answer: amphibians

Explanation:

earthworms, grasshopper, lancelets, octopus, crab, tunicates, starfish are all invertebrates.

lancelets(cephalochordata) and tunicates(urochordata) are chordates but do not have a backbone.

Hii!! The correct answer is amphibians. (:

Answer:

The definition of the problem is listed in the explanation segment below.

Explanation:

        ⇒  [tex]Mother \ aa\times Father \ aa[/tex]

        ⇒  [tex]a\times a[/tex]

So that the above is the right answer.

Answer:

Explanation:

Effects of bead size and bead amount on enzyme activity. Beads containing crude enzyme were prepared in the presence of sodium alginate (2% w/v) in CaCl 2 (5% w/v) solution. Each treatment was performed in triplicate.

Answer:

A

Explanation:

Gel electrophoresis is an amazing technique that allows for DNA separation based on size (as in, length). Using electricity (and keeping in mind that DNA has a negative charge because of the phosphate groups), the shortest pieces will migrate the farthest.

So we can tell that the pieces are in ascending order of size. 4>3>2>1, in length.

A. Strand 1 is the smallest.

Answer:Given results of gel electrophoresis shows that strand 1 is smallest. The pieces are arranged in ascending order of size 4>3>2>1 . Thus,option A is correct.

Explanation:

What is Gel electrophoresis?

Gel electrophoresis is a laboratory technique used to separate mixture of DNA ,RNA or protein according to their molecular size.

The gel used in this technique is composed of polyacrylamide or agarose.

The main application of gel electrophoresis has been in the seperation of molecules and in restriction mapping.

The main advantage of gel electrophoresis is its capability to

simultaneously separate various samples in one round.

Therefore, strand 1 is the smallest according to the result of gel electrophoresis  shown in figure. Thus, option A is correct.

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Answer:

The answer to this question is d(A and B)

Explanation:

Hope this helps

Answer:

d  but also c !

Explanation:

A and B are correct  but also dextromethorphan has lower doses of stimulants

Answer:

Explanation:

Irreversible inhibitors are inhibitors whose action are not reversible. They function by modifying enzyme in a covalent way leading to the formation of new functional group.

Irreversible inhibitors are specific to certain enzymes. Examples is inhibitor that are suicidal they makes inhibitor reactive.

Competitive inhibition are Inhibitor that are competitive in nature they resemble one of the substrate of the enzyme and are been bind to by mistake. Example is an inhibitor that resemble folate an enzyme substrate. Enzyme therefore binds to the inhibitor assuming its folate because they are identical.

Answer:

Tanning beds are NOT safer than the sun.

Explanation:

Science tells us that there's no such thing as a safe tanning bed, tanning booth, or sun lamp. Just one indoor tanning session can increase the risk of developing skin cancer (melanoma by 20%, squamous cell carcinoma by 67%, and basal cell carcinoma by 29%).

Answer:

  B.  meteorology

Explanation:

Someone who predicts weather based on patterns, models, and current atmospheric conditions is a meteorologist.

╭☞ When jared gets to work, he looks at the latest data on wind speed, temperature, and humidity. Then, he uses a computer model to help him predict where storms may occur. In what field of earth science does jared work?

╭☞ B. meteorology

– Meteorologists are scientists who study and work in the field of meteorology.

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Answer:

The question is incomplete, the complete question has been added as an attachment.

THE DGR AN represents deletion mutation

THE RED ANA TRA N represents insertion mutation

THE FOX WTS RED represents substitution mutation

Explanation:

Mutation is a change in the nucleotide sequence of a gene. It can be of different types depending on how it occurs. A deletion mutation is that which involves the removal of one or more nucleotide base from the sequence.

An insertion mutation is the addition of one or more nucleotide bases to the sequence.

A substitution mutation is the replacement of one or more nucleotide base in a sequence.

The original sentences were:

1. THE RED ANT RAN

2. THE FOX WAS RED

3. THE DOG RAN

The three sentences that mutated/changed are:

1. THE DGR AN- in this sentence, letter O which represents one base is missing due to removal, making the original sentence (THE DOG RAN) alterated. Hence, this represents an example of deletion mutation.

2. THE RED ANA TRA N - in this case, Letter A has been added in between N and T. This makes the original sentence (THE RED ANT RAN) altered. Since addition of letter (base) occurred, this represents an example of insertion mutation.

3. THE FOX WTS RED - In this case, letter A in "WAS" was replaced by T, making the original sentence (THE FOX WAS RED) altered. Since a replacement of letter (base) is the case here, it represents an example of substitution mutation.

Answer:

A. The conformational shift that occurs when glucose, but not water, enters the active site prevents water from hydrolyzing ATP. True

B. Hexokinase consists of two domains, or lobes, that come together when glucose and the MgATP2–MgATP2– complex are bound. True  

C. Hexokinase is a type of transferase that catalyzes the transfer of a phosphoryl group from ATP to a hexose. True

Explanation:

A. Hexokinase suffers and conformational changes by binding glucose in a reaction that prevents ATP hydrolysis.

B. Hexokinase is an enzyme with two domains that function by binding to the substrate (i.e., glucose). The region linking both protein domains is responsible for the catalytic activity.

C. Hexokinase is a type of transferase that catalyzes the transfer of a phosphoryl group from ATP to a hexose. During the first stage of glycolysis, the hexokinase transfers one phosphorous group from magnesium-ATP (Mg-ATP) to one hexose molecule, such as fructose, mannose or glucose.

False statements:

- Most kinases require the presence of a monovalent metal ion cofactor to prevent ATP hydrolysis. False: In canonical kinases, conserved amino acids bind to divalent metal ions before the transference of the phosphate group to their substrates.

- Hexokinase is found in the mitochondrial membrane. False: Hexokinase is found in the cytosol.

- Hexokinase transfers the terminal phosphate of ATP to carbon 3 of glucose. False: Hexokinase catalyzes the transfer of the terminal phosphate ATP to form glucose 6-phosphate.

Answer:

C-12 > C-13 > C-14,O-16 > C-16,O-18

Explanation:

Generally, isotopes are described as atoms of the same elements with the same atomic number but different number of neutrons.

Hence,

For O-18, oxygen has an atomic number of 8 and neutron number of 10.

For C-14, carbon has an atomic number of 6 and neutron number of 8.

For C-13, carbon has an atomic number of 6 and neutron number of 7.

For C-16, carbon has an atomic number of 6 and neutron number of 10.

For carbon 12, carbon has an atomic number of 6 and neutron number of 6.

For O-16, oxygen has an atomic number of 8 and neutron number of 8.

Hence the rank from the fewest neutrons would be C-12>C-13>C-14,O-16>C-16,O-18

Answer:

Climate change impacts where species live and how they interact, also including the timing of biological events. Climate change can immense the capacity of ecosystems to extreme events and disturbance, such as wildfires, floods, and droughts.

Explanation:

Answer:

The complete steps are:

1. Body needs energy for activity

2. body releases epinephrine

3. epinephrine binds to fat cells in adipose tissue

4. triacylglycerols (triglycerides) are hydrolyzed to glycerol and fatty acids

5. Fatty acids transported to tissue

Explanation:

Mobilization of fat is a gluconeogenetic process (a process that sequesters energy from a compound other than carbohydrates), in which fat molecules in the adipose tissues are metabolized for energy production.

The process starts when the body is in an energy-deprived (hypoglycemic) state, leading to the release of glucagon by the pancreas and the release of epinephrine (adrenaline) from the adrenal medulla of the brain.

These hormones activate gluconeogenesis and glycogenolysis (breakdown of glycogen) in the liver, it also activates lipolysis in the muscle cells and liver, as well as inhibiting fatty acid synthesis. This is mediated through the binding of these hormones to specific receptors on the surface of fat cells, leading to the activation of lipases (enzymes catalyzing lipolysis). Lipases catalyze the hydrolysis of triglycerides (common fat in diets) to glycerol and three molecules of free fatty acids. These free fatty acids are released into the blood where they attach to serum albumin; a protein for transporting the hydrophobic fatty acids to the muscle cells where they are taken up and utilized to produce energy and C0₂.

Answer:

I think it's concrete operations

Answer:

1

Explanation:

Answer:

Explanation:

Mutation can cause a change in DNA to change in many ways.

Mutation is the sudden change in the genome of an organism that can be heritable from parent by their offspring.

Missense mutation - This occur when a base pair is substituted for by another leading to the formation of an entirely new amino acid.

Nonsense mutation - This occurs when a base pair is substituted for by another leading to the formation of a new amino acid. The new amino acid form therefore send a stop signal to the sequence of amino acid been built.

Insertion or deletion - Insertion mutation inserts new base pair into the sequence changing the number of the DNA base while deletion deletes a base pair changing the number of DNA base from the amino acid sequence.

Answer:

Explanation:

Scenario 2: R is codominant with r.

Scenario 3: R and S are completely dominant to rand s, respectively; R and S are linked by 15 m.u. and do not interact with each other.

Scenario 4: Genes R and S perform the same function; R and S are completely dominant to r and s, respectively; and R and S are unlinked.

Scenario 5: R and S are completely dominant to r and s, respectively; R and S are linked by 10 m.u. and show dominant epistasis.

Answer:

Birds and leopard

Explanation:

It has been researched and discovered that the feces of birds and animals can be used to determine the state of health of an ecosystem.

For example, it has been discovered that hormones and other substances are excreted through urine and feces. And researchers have discovered from the feces of leopards, that a leopard that has cave or trees where it can hide from hunters are not likely to be stressed out like the one that does not have.

Answer:

ATP is a nucleotide consisting of an adenine base attached to a ribose sugar, which is attached to three phosphate groups. ... When one phosphate group is removed by breaking a phosphoanhydride bond in a process called hydrolysis, energy is released, and ATP is converted to adenosine diphosphate (ADP).