Answer: High tryptophan: The tryptophan binds to the trp repressor and causes it to change shape, converting into its active (DNA-binding) form. The trp repressor with the bound tryptophan attaches to the operator, blocking RNA polymerase from binding to the promoter and preventing transcription of the operon.
Explanation:
what does the circle of life mean
Answer: Below
Explanation:
Generally the circle of life refers to the circle of birth, survival, and death.
Cells that function in storage or photosynthesis are:.
parenchyma cells storage of energy
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The outermost and innermost wall layers of microsporangium in an anther are respectively
(a) endothecium and tapetum
(b) epidermis and endodermis
(c) epidermis and middle layer
(d) epidermis and tapetum
Answer:
The wall layers of a microsporangium from outermost to innermost are: epidermis, endothecium, middle layers and tapetum. The first three layers generally provide protection and help in dehiscence of anther. Tapetum performs nutritive function for pollen grains.
Answer:
Epidermis and tapetum
Explanation:
There are usually four layers located
epidermisendotheciummiddle layertapetum.epedermis ann endothecium are the outer layers which provide support to innner most .
So option D is correct
How long does it take for a maggot to turn into a fly.
Answer:
between 14-36 days.
Which of the following best explains why few impact craters are found on earth?
A. Impacts on earth do not form craters.
B. Erosion has erased most of the impact craters on earth.
C. Most impacts occurred before earth was formed.
D. Few impacts have occurred on earth.
Answer:
i think it would be C
hope that helps if not i can change it
Explanation:
An underactive thyroid (hypothyroidism) slows the metabolic rate. This translates to symptoms such as
This translates to symptoms such as weight gain and fatigue.
Symptoms of hypothyroidismHypothyroidism is defined as the endocrine disorder in which the thyroid hormone is deficient or under secretion of the hormone.
The thyroid hormone is used for the following purposes in the body:
Regulates the rate at which your body uses calories (energy). It affects weight loss or weight gain and which is called the metabolic rate.When the thyroid hormone is deficient, the following is bound to occur:
Fatigue,Weight gain, andSensitivity to cold.Therefore a decrease in the metabolic rate of the body will lead to fatigue and gaining of weight.
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Eyes are __?__ organs which enable us to see
Answer: they are organs of the visual system TwT
Explanation:..hope this helps! pls mark me brainlest...
....Max-
The study of the flow of energy and its transformations is called:.
The study of the flow of energy and its transformations is called thermodynamics.
Hope this helped!
Which type of reproduction is most adaptive in a rapidly changing environment with many different parasitic diseases present
Answer:
s3xual reproduction.
Explanation:
A metamorphic rock interacts with the layers of Earth and melts because of extreme heat and pressure. Which of these is most likely formed when the molten rock cools?
Answer:
When granite is subjected to intense heat and pressure, it changes into a metamorphic rock called gneiss. Slate is another common metamorphic rock that forms from shale. Limestone, a sedimentary rock, will change into the metamorphic rock marble if the right conditions are met.
All of the following are types of somatoform disorders except __________. a. conversion disorder b. obsessive-compulsive disorder c. somatization disorder d. hypochondrias please select the best answer from the choices provided a b c d
Answer:
is the answer is C.....??
Somatoform disorder is the physical sensations and body pain caused by mental illness and is grouped in somatization disorder, conversion disorder, pain disorder, hypochondriasis etc.
What is Somatoform disorder?Somatization disorder is a type of disorder when a person regularly complains about physical symptoms when there is no physical condition present to cause the symptoms.
The symptoms of this condition tends to increase anxiety and stress. The types of somatoform disorders are:
Somatization disorder.Conversion disorder.Pain disorder.Hypochondriasis.Somatic symptom and related disorder.Thus, obessive-compulsive disorder is not included in this. So, the correct option is option B.
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What color is reflected back to cause plants to appear green?
Answer:
Chlorophyll gives plants their green color because it does not absorb the green wavelengths of white light. That particular light wavelength is reflected from the plant, so it appears green.
Explanation:
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The color that is reflected back to cause plants to appear green is the color green, as that is reflected back, the eyes can capture it, and as a result, the plants appear to be green.
What is the reason behind plants being green?Plants are green because of the presence of chlorophyll, a pigment found in plant cells. and this green color from sunlight is reflected back to the environment, and chlorophyll is crucial for photosynthesis, the process by which plants convert sunlight into energy, Photosynthesis occurs in specialized organelles within plant cells called chloroplasts. This absorbs light energy from the sun, and the absorbed energy is then used to power a series of chemical reactions that convert carbon dioxide and water into glucose, a form of sugar that the plant can use for energy.
Hence, the color that is reflected back to cause plants to appear green is the color green.
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This text is from the transcript of the video "Adélie Penguins" from the NOAA web site Ocean Today.
Studies show that since 1950, the western Antarctic peninsula winter has warmed 11 °F, five times the global average. This warming trend is decreasing the amount of sea ice that forms and shrinking the habitat where young krill grow. This puts the Adélies’ food supply and their breeding success at risk. Complicating matters, Gentoo and Chinstrap penguins, which favor conditions with less sea ice, are taking over some of the Adélie colonies in this area.
Which statement is supported by both the text and the excerpt above?
A.
All three penguin species, Chinstrap, Adélie, and Gentoo, live only on sea ice.
B.
The food supply for Adélie penguins includes both fish and krill in the Antarctic seas.
C.
Adélie penguins are dependent on the existence of sea ice for access to their food supply.
D.
Temperatures in the Antarctic have increased substantially in the last 60 years.
Answer:
C.
Adélie penguins are dependent on the existence of sea ice for access to their food supply.
Explanation: Their numbers are declining due to the loss of sea ice, so it's natural that this would be the answer.
How would the inherited traits discussed in this lesson be influenced if those alleles were on a s3x chromosome? Would the probability of inheritance change?
(an example"traits discussed" is wired haired dogs and smooth coated dogs)
I'd really appreciate the help! :D
The discussed inherited traits would not be influenced if these alleles were on an s3x chromosome, the probability of inheritance would not change.
To understand the answer, we need to know about s3x chromosomes
What are s3x chromosomes?Females have two identical chromosomes (XX), while males have an X chromosome and a smaller chromosome called a Y. Human males are heterogametic with two different s3x chromosomes (XY). Human females are the gametic s3x (XX).
With this information, we can conclude that the discussed inherited traits would not be influenced if these alleles were on an s3x chromosome, the probability of inheritance would not change.
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Marc and his brother take turns mopping the flies in their fathers pizzeria each night. Which force becomes weakened when the floor is wet?
A. Air resistance
B. Friction
C. Magnetism
D. Gravity
Answer:
friction
Explanation:
think about a carpet flooring
Monohybrid crosses fill in the blanks
Explanation:
1. TT_Ho. Bb_He. DD_Ho. Ff_He. tt_Ho. dd_Ho
TT and DD are purebred
Bb and Ff are hybrids
2.YY_Ho yellow. Yy_He yellow. yy_Ho blue
SS_Ho square. Ss_He square. ss_Ho blue
3.Tall = TT or Tt. short = tt
Pink body = PP or Pp. yellow body = pp
4.
Which statements describe global winds? select three options. they flow in different directions. they travel over short distances. they generate land breezes. they are affected by the rotation of earth. they blow away from poles to the equator.
The statements that describe global winds are:
They flow in different directions. They are affected by the rotation of the earth. They blow away from poles to the equator. What do you mean by Global winds?Global winds may be defined as winds that blow steadily from specific directions over a long distance on the Earth's surface.
Global winds are responsible for steering the storms such as hurricanes. These winds are affected by convection current, pressure gradient, the Coriolis effect, and friction.
Therefore, the above statements best describe the global winds.
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How many calories are there in 30 Ibs of salmon if each pound of salmon equals approximately 654 cal?
Answer:
There are 19,620 calories in 30 lbs of salmon
Explanation:
If 1 pound of salmon = 654 calories, we need to find how many calories are in 30 pounds of salmon
30 x 654 = 19,620 calories
Which of these is an example of an undesirable effect of friction?
a. copying notes on the board
b. energy loss in machines
c. keeping our balance
d. walking down the street
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Answer:
b. energy loss in machines
Explanation:
It is an undesirable effect because it causes loss in energy in a machine which most likely requires a lot of energy to function. Therefore, it is undesirable as the machine will not function properly.
Cancer is when cells multiply at an uncontrolled rate. These cells then group together to form a mass (tumor). The cells within a tumor are much smaller than normal cells would be.
Based on this information which phase of the cell cycle is not functioning properly? Support your answer with evidence from the model/explanations.
Answer:
Mitosis
Explanation:
When Mitosis is not regulated then cell division is not regulated.
Examine the words. impulse, presynaptic cell, neurotransmitters, receptors, postsynaptic cell what idea can be described using all the words listed? the difference between the somatic and autonomic nervous systems the transfer of information from one neuron to another the difference between the central and peripheral nervous systems the flow of information within a neuron
The idea it can describe is that it is the transfer of information from one neuron to another.
Transfer of informationThe nervous system is part of the body systems that helps in the transfer of information from nerve to nerve and from nerve to muscle tissues.
The presynaptic nerve is the nerve that sends the information that is to be conveyed in form of action potential impulses.
The impulses led to the release of neurotransmitters from the terminal of the presynaptic nerve to the synapse. This binds to the receptor if the postsynaptic cell which receives the message.
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Answer:
the transfer of information from one neuron to another
Explanation:
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In the blood most of the oxygen that will be used in cellular respiration is carried from the lungs to the body tissues _____.
Answer:
Combined with hemoglobin
Which protein is used to reinforce the sarcolemma and help transmit the tension generated by the sarcomeres to the tendons?.
Answer:
dystrophin
Explanation:
Dystrophin is the protein used to reinforce the sarcolemma and help transmit the tension generated by the sarcomeres to tendons.
What is Sarcolemma?The sarcolemma, which is the muscle cell's plasma membrane, is encircled by endomysial connective tissue and a basement membrane. The sarcolemma is a membrane that is excitable and has several characteristics in common with the membrane of neuronal cells. The sarcotubular system, which extends into the interior of the muscle fiber as T-tubules, is an invagination of the sarcolemma. Through this system, the sarcolemma's depolarization spreads throughout the muscle fiber's interior. The sarcoplasmic reticulum, a second tubular structure within the sarcoplasm, is directly in contact with the T tubules as they extend into the interior of the muscle fibers towards the junction of the A and I bands. A "triad" is a tight arrangement of one T-tubule that is bound by the sarcoplasmic reticulum on both sides. Around the myofibrils, the sarcoplasmic reticulum forms a fine plexus. Ca2+ is released from the sarcoplasmic reticulum and the myofilaments begin to contract as a result of stimulation of the sarcolemma and T tubules.To learn more about sarcolemma, refer to
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Which organism has the more efficient heart?
A: a frog
B: a robin
C: an alligator
D: a tuna
Answer:
I think its a alligator or a frog I'm not rlly sure but I think it might be a alligator
1. The process by which one type of bacteria is
changed into another type is called
a. transcription.
b. transformation.
c. duplication
d. replication.
Answer:
d
Explanation:
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Answer:
[1.] formed when lava or magma harden
[3.] formed when sediments are compacted and cemented together.
[4.] a model that shows how rock undergoes processes to become different rocks.
[2.] formed by heat and pressure while buried deep below earths surface.
how far is the moon from earth?
On an average, the Moon is approximately 238,900 miles (384,400 kilometers) away from the Earth.
What is the Moon?The Moon is a natural satellite of the Earth, meaning it is a celestial body that orbits around the Earth. It is the fifth-largest moon in the solar system and the largest relative to the size of its host planet.
The Moon is approximately one-quarter the size of the Earth and has no atmosphere, no liquid water, and no magnetic field. It is primarily made up of rock, dust, and ice and has a surface covered in craters, mountains, and flat plains called "maria." The Moon has been the subject of scientific study and exploration for decades, and it continues to be a source of fascination and wonder for people all over the world.
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Who studied layers of rocks and fossils and had their studies helped change the age of the earth from 6,000 to 3 million years old?
Answer:
James Hutton he did it
Normal urine from a healthy person should not contain __________.
A healthy person’s urine must not contain glucose
A little bit amount of glucose like 0.25mg/ml is totally normal but when it surpasses this level it becomes a thing of concern.
On a normal basis, the excess glucose ought to be absorbed back into the body by the kidney but when this doesn’t happen and it is expelled out through the urine then it could be a sign of diabetes and could mean that the individual is suffering from Glycosuria.
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Answer:
Dark coloring, or a thicker consitency
Explanation:
( for an easier answer ig)
Please help as soon as possible