ur data for diffusion of water across a differentially permeable membrane in response to a sucrose gradient could be graphed with Change in Weight on the vertical axis rather than Total Weight. How would you interpret the slope of the curves produced when you do this?
An enzyme may become inactive when:
a. body temperature rises excessively
b. the pH of body fluids becomes too acidic
c. homeostasis is being maintained
:d. all of the above
e. a and b only
f. b and c only
Which of the diagrams below shows what one would see in the electron microscope during the transcription of a polycistronic bacterial operon that codes for two proteins?
The correct answer is: 4
For the first question about the electron microscope diagrams during the transcription of a polycistronic bacterial operon that codes for two proteins:
In polycistronic operons, multiple genes are transcribed into a single mRNA molecule. This mRNA molecule contains information for the synthesis of multiple proteins. In electron microscopy, you would see the transcription process as a continuous strand of RNA being synthesized. Among the given options, the correct choice would be: D
As for the second question about the number of different polypeptides translated from the [tex]mRNA 5'-GUAGUAGUAGUA... - $3^{\prime}$:[/tex]
The start codon for translation in most organisms is AUG. However, the given mRNA sequence does not start with AUG, and it's mentioned that translation does not need to start at AUG.
In this case, every codon in the mRNA sequence GUAGUAGUAGUA could potentially serve as a start codon. This means that the reading frame can begin at any of the four GUA codons. Therefore, there are 4 different potential reading frames, and each would produce a different polypeptide.
So, the correct answer is: 4
The complete question is:
Consider the diagrams.
Which of the diagrams shows what one would see in an electron microscope during the transcription of a polycistronic bacterial operon that codes for two proteins?
C
D
A
B
A messenger RNA 5'-GUAGUAGUAGUA... - $3^{\prime}$ is translated in a test tube where translation does not need to start at an AUG. How many different polypeptides would you expect to be translated from this mRNA?
1
3
0
2
Cartilage, fat, tendons, ligaments: these are all examples of _______ tissue that ________. A) integumentary; bind the body together B) connective; bind and support the body C) skeletal; support and protect the body. D) muscular; support the body and help it move.
Answer: B). connective; bind and support the body.
Connective tissues are tissues which connect, support, binds other tissues and organs of the body. They play a role of external lining of the body cavity. They have typically few cells embedded in an amorphous matrix along with collagen and other fibers.
Cartilage is a type of fibrous connective tissue that is made up of closely packed collagen fibers. It provides flexibility to structures like nose, trachea and ears in humans.
Fat or adipose tissue is a loose connective tissue that provides lining to the body organs and cavities hence, maintains the connectivity and prevents heat loss.
Tendon is a type of fibrous connective tissue which connects muscles to bone.
Ligament is a type of fibrous connective tissue which connects bone to bone.
All these connective tissue make a binding link between muscles, bones, organs and cavity which is necessary for providing support to the body.
Nitrogen-fixing bacteria remove nitrogen from plants and return it to the soil. true or false?
A nurse has provided education to a client with hypothyroidism who has a new prescription for levothyroxine. what statements by the client would indicate they understand the instructions?
Final answer:
A client with hypothyroidism understands the instructions for levothyroxine if they acknowledge the importance of taking the prescribed dosage consistently, the necessity for regular monitoring and adjustments, and that medication needs may change over time.
Explanation:
Statements by the client that would indicate they understand the instructions for taking levothyroxine, a medication for hypothyroidism, might include recognizing the importance of taking the prescribed dosage at the same time each day to maintain consistent hormone levels. The client should also acknowledge the need for regular monitoring of thyroid hormone levels and potential dose adjustments by their healthcare provider to avoid side effects and ensure optimal treatment. Additionally, the client would understand that depending on the underlying cause of hypothyroidism, they might not need to take this medication for life, as certain conditions such as hypothyroidism during pregnancy may be temporary.
If a plant does not receive enough sunlight, which event will happen first?
A. An increase in the production of ATP
B. Decrease in the rate of the Calvin cycle
C. A decrease in the production of ATP
D. An increase in the rate of the Calvin cycle
Answer: The correct answer is-
C. A decrease in the production of ATP.
Photosynthesis is a process of formation of food by green plants and algae using CO2 and water in the presence of sunlight. It is primarily divided into two phases that is -
1) light dependent phase ( Hill's reaction) and 2) light independent phase ( calvin cycle).
Light dependent phase is the first phase in which chlorophyll first absorbs energy from sunlight and convert it into chemical energy in the form of ATP and NADPH.
ATP and NADPH is further utilized in the calvin cycle ( light independent phase, which is the next phase of photosynthesis) in order to synthesize food ( glucose, which is a carbohydrate).
If a plant does not receive enough sunlight, there will be decrease in the production of ATP because it is associated with the first phase of photosynthesis that is the light dependent phase.
Thus, option C) is the right answer.
Answer:
c
Explanation:
your welcome ;)
One kingdom contains only eukaryotes but includes a wide variety of organisms. It includes both unicellular and multicellular organisms. Some organisms eat others, while some can make their own food.
Which domain is described by these statements?
Bacteria
Archaea
Fungi
Protists
Answer:
Protists
Explanation:
There are different number of kingdoms (varying from 2 to 6) recognized by different classification systems.
According to five kingdom classification system, the organisms can be divided into
1- Kingdom Monera
2- Kingdom Protista
3- Kingdom Plantae
4- Kingdom Fungi
5- Kingdom Animalia
KINGDOM MONERA (PROKARYOTAE):
They consist of organisms with prokaryotic cells.It contains unicellular organisms. Some organisms can synthesize their own food while others can't.EXAMPLES:
Bacteria ArchaeKINGDOM PROTISTA (PROTOCTISTA):
Organisms belonging to this classification are called protists. Protists have eukaryotic cells.Some are unicellular organisms while others are multiceullular.Some organisms of this kingdom can synthesize their own food while some consume other organisms.EXAMPLES:
Amoeba PlasmodiumKINGDOM FUNGI
They consist of eukaryotic cells.They range from unicellular to multicellular organisms.They cannot synthesize their own food. They absorb the organism after digesting it outside the body and thus can't directly consume other organisms.EXAMPLES:
YeastClub fungi
Some organisms eat others, while some can make their own food are Protists, is eukaryotic organism that is not an animal, plant, or fungus.
What are 3 examples of protists?Protists is eukaryotic organism that is not an animal, plant, or fungus.
Examples of protists have algae, amoebas, euglena, plasmodium, and slime moulds.
Protists that are have of photosynthesis include various types of algae, diatoms, dinoflagellates, and euglena.
Thus, correct option is "4" Protists, is eukaryotic organism that is not an animal, plant, or fungus.
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______ immune system helps defend against disease, while _____ immune system leaves the body susceptible to a number of diseases.
Complex networks of interconnected food chains are ____.
Answer:
food webs
Explanation:
third sentence of paragraph under that photo of curriculum and food web says "A food web is a group of connected food chains."
heres a picture of another version of a food web with all the lines and arrows
and a correct test grade
Over half of the people in the United States rely on groundwater for drinking water.
Please select the best answer from the choices provided
T
F
Identify the word that best describes the word in parentheses.
The lawyers advised(the client) to stay silent while in court.
A. Direct object
B. Indirect object
C. Predicate nominative
D. Predicate adjective
8. What was a result of the bank failures that followed the stock market crash in 1929?
Answer:
8. What was a result of the bank failures that followed the stock market crash in 1929?
Explanation:
The result of the fall of the Stock Exchange in 1929 were: The Great Depression, and an economic crisis worldwide.
The cause of the Great Depression was due to the crisis that originated in the United States, from the fall of the Wall Street stock market of 1929.
But the problem was not only in New York, this moved to almost every country in the world as a domino effect.
Which of these is not a function of connective tissue in the body?
a. make blood cells
b. connects parts of the body
c. support softer organs of the body
d. store fat
e. line internal body cavities?
how can you tell which is the highest elevation on a topographic map
If a patient had 12% of their body covered with a psoriasis rash what would be the severity
If a patient has psoriasis affecting 12% of their body, this would be classified as moderate severity. The severity of psoriasis is determined based on the percentage of the body surface affected, patient comfort and mobility, and the effect on quality of life.
Explanation:Psoriasis is a skin disease that presents as itchy or sore patches of thick, red skin with silvery scales and can affect various areas of the body. The percentage of the body that is covered by a psoriasis rash is a key indication of the disease's severity. If a patient had 12% of their body covered with a psoriasis rash, the condition would be considered moderate. Generally, psoriasis affecting up to 3% of the body is considered mild, 3-10% is moderate, and over 10% is considered severe, as it significantly impacts the patient's quality of life. In addition to the skin's appearance, the patient's comfort and mobility, and the condition's impact on the patient's daily life are also considered when determining psoriasis severity.
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which process usually requires water
A. Chemical weathering
B. Erosion
C. Physical weathering
D. mass wasting
The function of yellow bone marrow is __________.
a. acid-base homeostasis
b. hematopoiesis
c. triglyceride storage
d. mineral storage
Which best describes why all plants need some sort of leaf or other green, leaf-like surface?
A) to perform photosynthesis
B) to stand upright
C) to be eukaryotic
D) to transport food
Answer:
A.
Explanation:
the leaves take in sunlight so they can produce food (photosynthesis)
Answer:
A: photosynthesis
Explanation:
Leaves are what perform photosynthesis
(a). the reaction, to produce soap can be completed by cooking animal fat with a very strong solution of
Environmental scientists are unconcerned with methods to preserve natural resources. Please select the best answer from the choices provided (true or false)
The given statement is false.
The natural resources are very important for the survival of the living organisms. All the natural resources can be exploited by the human being for their own economic or personal benefits. It is very important to conserve these resources, so, it cannot be overlooked by the environmentalists. Hence, the environmental scientists are concerned for the preservation of the natural resources.
Identify flower structures and match those structures to specific functions
A nurse is explaining the use of acyclovir therapy to a 72-year-old man. nephrotoxicity is discussed as a major adverse effect in older patients. to minimize the risk of the patient developing this adverse effect, the nurse will advise him to
What types of molecules are the major structural components of the cell membrane?
which of these features formed by glacier is shaped like an armchair?
A. Horn peaks
B. Fjords
C. Roche mouton need
D. Cirques
the answer is d cirques
Explain in complete sentences why lettuce or spinach in water becomes firm and crisp by cell membranes?
Which explanation justifies why the theory of evolution is a theory and not a law? The theory of evolution predicts an organism's ability to adapt to its environment.
The theory of evolution can be expressed as a simple mathematical statement.
The theory of evolution explains the existence of diverse forms of life on Earth.
Additional evidence will change the theory of evolution into a law.
The explanation justifies the theory of evolution is a theory and not a law as the theory of evolution predicts an organism's ability to adapt to its environment is additional evidence will change the theory of evolution into a law. Thus, option C is correct.
What is evolution?
Evolution has been the scientific theory that explains that "a change in the characteristics of biological populations over next generations." According to the scientists RNA has been known as the first existing molecule on the earth that replicate by itself and the process of the evolution lead to advanced forms of life.
These characteristics has been easily trasfered from one generation to other generation. Organisms evolve over the time due to changes in the heritable physical characteristics which has been an example of a scientific theory known as evolution.
Therefore, The explanation justifies the theory of evolution is a theory and not a law as the theory of evolution predicts an organism's ability to adapt to its environment is additional evidence will change the theory of evolution into a law. Thus, option C is correct.
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Dense Denise is an emergency room nurse at Hopeless Hospital. She notices that the hospital is running short on blood, so she decides to dilute the blood with water to make it last longer. Later, Dr. Dingo, the attending physician gets ready to give a patient a transplant. As a precaution, he puts a sample under the microscope, sees this image. He immediately begins angrily barking at Denise. What happened to the blood cells?
Answer:
The answer to the question: What happened to the blood cells, when Denise, the nurse, put the blood samples with water, to dilute the blood so that it would last longer, is, that the blood cells, through the process of osmosis, took in the water around them, swelled and ruptured.
Explanation:
Usually, when putting a pack of red blood cells inside a water solution will activate the cellular process of osmosis, which means, that the membrane of the cell allows water to trickle into it, as the volume of water outside the cell is higher than inside. In the process of equilibrium of concentration, the cell allows the water in, but it reaches a point when the amount in is too much and thus the cell bursts. What Dr. Dingo found under the microscope, then, was the red blood cells burst due to the water.
How would you define a lipid? in what sense is the operational definition different from that of proteins, nucleic acids, or carbohydrates?
A long-haired cat (recessive trait s) is crossed with a heterozygous short-haired cat (dominant trait S). What percentage of their offspring will have long hair? (Draw a punnett square to help you answer.)
A- 100 percent
B- 50 percent
C- 25 percent
D 0 percent