Answer:
If the mutation has a deleterious affect on the phenotype of the offspring, the mutation is referred to as a genetic disorder. Alternately, if the mutation has a positive affect on the fitness of the offspring, it is called an adaptation.
Explanation:
When both lactose and glucose are available to E. coli, which part of the lac operon regulation assures that glucose will be metabolized first? When both lactose and glucose are available to E. coli, which part of the lac operon regulation assures that glucose will be metabolized first? Permease allows lactose to enter the cell when lactose enters the cell. The repressor binds to the operator in the absence of lactose. The repressor cannot bind to the operator in the presence of lactose. RNA polymerase transcribes the lac operon to make a single RNA molecule. CAP binds to cAMP and then to the promoter only in the presence of low glucose.
Answer:
CAP binds to cAMP and then to the promoter only in the absence of low glucose
Explanation:
When both lactose and glucose are available to E. coli, the part of the lac operon regulation that assures that glucose will be metabolized first is
CAP binds to cAMP and then to the promoter only in the absence of low glucose
Lactose is a type of sugar that is found naturally in milk produced by mammals and Glucose is a monosaccharide made mostly by plants during photosynthesis
Which is a characteristic of arthropod?
A. moist skin
B. feathers
C. scales
D. joint-legged
Answer:
D joint legged like butterfly
Answer:
D.joint legged
Explanation:
D.joint legged
What two materials does the cardiovascular system deliver to the cells of the body?
A. carbon dioxide and nutrient
B. oxygen and nutrients
C carbon dioxide and waste materials
D. oxygen and waste materials
B. It delivers nutrients and oxygen.
The scientific evidence that scientists use in supporting or critiquing the conclusions of experiments usually consists of
A. raw data.
b. outtlier data
c. precise data
d. summarized data
Answer:
D
Explanation:
summarized data
Data that summarize all observations in a category are called summarized data.
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These traits are found on chromosome #23 and specifically on the X chromosome
a. sex influenced traits
b. linked traits
c. sex linked traits
d. multiple alleles
Answer:
C. Sex linked traits.
Explanation:
It explains more on https://www.sciencedirect.com/topics/neuroscience/x-chromosome.
HELP PLEASE 30 POINTS!
Answer:
It becomes more smaller in tension because that is what contract means, they take different forms which are smaller such as what the question example gives you, when you bend your biceps they become smaller in length.
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the right of a court to choose to do or not to do something particularly in relation to sentencing an offence is known as
Answer:
I HOPE IT WILL HELP U
Explanation:
guidelines
why is cancer considered a genetic disease of somatic cell?
Where do winds come from?
Explain your answer.''
the energy that drives wind originates with the sun which heats the earth unevenly creating war spot and cool spots
Answer:
The energy that drives wind originates with the sun, which heats the earth unevenly, creating warmsports and cool sports. Two simple examples of this area sea breezes and land breezes. Sea breezes occur when inland areas heat up o sunny afternoons.
Which of the following statements about phylogenetic trees is not true?
A. They can show which groups of organisms are most closely related.
B. They can show which groups of organisms are more advanced than other groups.
C. They can show which group of organisms diverged longest ago.
D. They can show predictions of evolutionary relationships from the analysis of shared heritable traits.
Answer:
B. They can show which groups of organisms are more advanced than other groups.
They can show which groups of organisms are more advanced than other group is not true about phylogenetic tree.
It is used to identify the phylogenetic relationship between the organisms.It show which group of organism diverged longest ago.What is phylogenetic tree?It is a diagram that depicts the lines of evolutionary descent of different species, organisms, or genes from common ancestors.It is based upon similarities and differences in their physical or genetic characteristics.To know more about phylogenetic tree here
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which of the following are parts of the biosphere. choose all that apply
river
deer
tree
mountain
mushroom
Oxygen molecules are sixteen times as massive as hydrogen molecules.
At the same temperature, which type of molecule would you expect to move faster?
Answer: hydrogen molecules.
Explanation: in same temperature molecules have same average kinetic energy.
You can estimate it solving E = 3/2 kT = 1/2 mv². Constant k is Boltzmann constant.
Lighter molecule has greater speed
How do different parts of the nervous system work together to help you perceive and react to the environment?
which two body system interact to expel the waste product carbon dioxide
Answer:
The circulatory system is responsible for bringing food and oxygen to every cell in your body. The respiratory system is responsible for carrying oxygen and carbon dioxide in and out of your body. The excretory system is responsible for removing waste from your body.
Explanation:
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Answer:
Explanation: you are wrong because i was putting that answer into my class it i failede so none of your advice helps i give no stars for this
Identify the name of each of the pathways [A, B, C]
Answer:
C [Krebs cycle]
B [glycolysis]
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Answer: d
Explanation:
They are compe for the same prey which means this is a survival competition
The division of culture known as_tends to be fluid and changes quickly over time.
A counterculture
B. subculture
C. dominant culture
D. popular culture
Answer:
D) popular culture
Explanation:
Answer:
D... edge 2021
Explanation:
is testicular pain serious or normal for teens ?☹☹☹
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Answer:
growing pains maybe? if its really bad though you should go to the doctor
Explanation:
Answer:
yeah if it is really that bad you might want it checked.
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Answer:
Person above me is right I think. :D no promises
Explanation:
Instructions: Use the data table that shows the estimation of the daily resting energy expenditure (REE) to
explore how calorie requirements change as a person gets older. Follow the steps to calculate the REE for a
person over time. Record your calculations in the table,
1. Decide to calculate the REE for a male or female,
2. Choose an adult weight.
3. Calculate the REE for the adult from age 18-29. 30-60, and over 60. Assume the adult maintains the same
body weight at each age.
(Score for Question 1:of 1 point)
1. Male or female
Answer:
of 1 point)
(Score for Question 2:
2. Weight
Answer:
Table
(Score for Table:___ of 18 points)
Use the Table of the Estimation of the Daily Resting Energy Expenditure (REE) to determine the calculation used
for each age range.
Questions
1. How does the REE change as a person?
2. What do these results indicate about how the body’s metabolism changes over time?
154. 170
166. 185
148. 156
Which of these is a difference between DNA and RNA?
DNA is found in the nucleus; RNA is never found in the nucleus.
DNA consists of five different nucleotides; RNA consists of four different nucleotides.
RNA is double-stranded; DNA is single-stranded.
DNA contains thymine; RNA contains uracil.
In DNA, adenine pairs with guanine; in RNA, adenine pairs with thymine.
Like DNA, RNA is made up of nucleotides. There are two differences that distinguish DNA from RNA: (a) RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose (a type of ribose that lacks one oxygen atom), and (b) RNA has the nucleobase uracil while DNA contains thymine.
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Answer:
it's a because
When we burn oil, coal, and gas, we change the ocean's basic chemistry, making it more acidic. Our seas absorb as much as a quarter of all man-made carbon emissions. Since the start of the Industrial Revolution (and our coal-burning ways), the ocean has become 30 percent more
Answer:
A - Burning coal
Explanation: When you burn coal you create polution which contributes to global warming, and global warming warms up the earth.
A plant with green seed pods (GG) is crossed with a plant with yellow seed pods (gg).
Draw a Punnett Square on a piece of paper and determine the Genotype of the
offspring.
What process involves rainwater filtering through soil?
A taxonomic key is a tool used to identify an unfamiliar organism.
a. True
b. False
The Topic is Coal Production. What trend would you predict for the next ten years for each region? Western Interior and Appalachian
Explanation:
The new trend will probably be the technology that's in that certain year. As the trend in the modern days is all electronics or will have to do with electronics.
Determining the order of events and the relative age of rocks by examining the position of rocks in a sequence is called____
A;bsolute dating
B:radiometric dating
C relative dating
D carbon dating
what is the total amount of carbon added to the atmosphere from soil and the burning of fossil fuel
Answer:
When people use fossil fuels to power industries, power plants, automobiles, and trucks, the majority of the carbon is released into the atmosphere as CO2. The combustion of fossil fuels releases 5.5 billion tons of carbon per year. 3.3 billion tons of this huge quantity remains in the atmosphere.
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Match the vocabulary with the correct description.
Column A
Column B
1.
axis
a. angular distance north and south of the equator
2.
rotation
b. an imaginary line that an object spins or revolves around
3.
revolution
c. a force that exists between any two objects that have
mass
4.
latitude
d. the orbiting of an object around another object
5.
gravity
e. the spinning of a celestial body, such as a planet, around
an axis
Answer:
Axis - B
Rotation - E
Revolution - D
Latitude - A
Gravity - C
Explanation:
The axis is the line that a body spins on. The axis will line up with the north and south poles. For Earth, the axis is tilted, which is why seasons exist.
The definition of rotation is "the action of rotating around an axis or center." So, rotation is the spinning of a body on its axis. On Earth, one rotation is equal to one day.
Revolutions are when a body spins around another. For Earth, one revolution around the sun is one year
Latitudes are invisible lines that separate the world into degrees from North to South. They are also called parallels.
Gravity is the force that keeps things together. Large masses have gravity that attract other masses.
a. Describe the difference in the arrangements of the anthers and stigmas in the pin-eyed and thrum-eyed primrose.
b. Which part of the insect's body would touch the stigma in a pin-eyed primrose and a thrum-eyed primrose?
c. Explain how this will help to ensure that cross-pollination takes place.
d. Self-pollination does sometimes occur in primroses. Would you expect it to occur more often in pin-eyed or thrum-eyed primrose? Explain your answer.
Answer:
I dont know if i am right what about A D and B
Answer:
A-There are two different types of primrose flowers: some have a pin-eyed stigma which rises above the pollen-bearing anthers, while in thrum-eyed flowers the stigma is enclosed by the anthers. Long-tongued insects like butterflies and bee-flies visit the flowers to reach the nectar at the base of the flower-tube.
B-An insect visiting a pin-eyed flower first collects pollen from the lower anthers on the middle of its proboscis, which it then transfers to the stigma in a thrum-eyed plant, which is positioned lower down the flower tube. It's an ingenious adaptation which ensures that primroses will be successfully cross-pollinated.
C-Many plants have ensured that cross-pollination takes place by deliberately keeping male and female flowers on the same plant out of sync. In this corn plant, the pollen is ripe long before the stigmas are receptive; therefore, the only way the ovules can be fertilized is by the pollen from another corn plant.
D- When they visit a thrum-eyed plant, the pollen from the anthers, which are near the top of the tube at the entrance, attaches to the top of the insect’s proboscis. When it visits a pin-eyed flower and probes deeply for nectar, the pollen is in a perfect position to be transferred to the higher stigma of this flower. An insect visiting a pin-eyed flower first collects pollen from the lower anthers on the middle of its proboscis, which it then transfers to the stigma in a thrum-eyed plant, which is positioned lower down the flower tube. It’s an ingenious adaptation which ensures that primroses will be successfully cross-pollinated.
Explanation:
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