Answer:
vdjxvskevjveuvedigxeievxvexigdeu
What percent of the trees cut down are used for something other than paper?
a. 359
b. 45%
55%
d. 65%
Answer:
D. 65%
Explanation:
I majored in Biology
[FW.04H]The table below shows the data collected by a student about the number of gallons of water wasted per year by a leaking faucet.
Faucet leaking rate (drips per minute) 5 10 20 30 60
Water wasted per year (in gallons) 173 347 694 1,041 2,082
Based on the table, which of these graphs would best help to calculate the number of gallons of water wasted per year by a faucet leaking at the rate of 40 drips per minute?
bar graph
histogram
circle graph
line graph
Answer:
hey its bar graph
Explanation:
Answer:
Bar graph
Explanation:
I took the FLVS exam :)
A segment of dna that codes for the ability to make one type of protein molecule is know as an
Answer:
Gene
Explanation:
A GENE is the unit of inheritance in virtually the cells of all living organisms. It is a segment of DNA that codes for the ability to make one type of protein molecule. In other words, a gene encodes the synthesis of amino acids, which are building blocks of protein.
Genes are naturally found on chromosomes on which they undergo expression i.e. from gene - MRNA (transcription), from mRNA - protein (translation). Hence, based on the question asked, the segment of DNA that carries instructions for protein synthesis is called a GENE.
After performing an investigation, a scientist produced results that did not support the hypothesis. Another scientist does the same experiment and her results do support the
hypothesis. What should the scientists' next steps be to make sure any claim made regarding these investigations is valid?
Answer:
Explanation:
compare and discuss
The scientist should compare and discuss the results with other scientists to determine future research plans.
What should the scientist do to validate the result?In order to validate a result a scientist must follow a proven or recognized scientific approach to validate his method.
After performing an investigation, and a scientist produced results that did not support the hypothesis, the scientist should compare and discuss the results with other scientists to determine future research plans.
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Aas Mendel's experiment a well controlled one? Why or why not
Answer:
Mendel did not set out to conduct the first well-controlled and brilliantly-designed experiments in genetics. His goal was to create hybrid pea plants and observe the outcome. His observations led to more experiments, which led to unusually prescient conclusions.
Explanation:
How many base pairs per turn of the helix would most likely correspond to a positively supercoiled DNA molecule
Answer: Five
Explanation:
A positively supercoiled DNA is a overwound DNA. It forms a twisted shaped of figure eight. The lobes of the figure will appear rotated in clockwise or anticlockwise direction with respect to each other. The base pair per turn for the helix in positively supercoiled DNA molecule is five. This conformation of DNA inhibits the replication and transcription processes due to overwound nature of DNA.
A farmer sprayed his orange trees with a pesticide to eliminate the insects damaging the trees. Some of the insects survived and produced offspring that were also resistant to the pesticide.
Which process is illustrated by the pesticide resistance of the offspring?
natural selection
selective breeding
aerobic respiration
sexual reproduction
Answer:
selective breeding
hope it helped sorry if it right
Explanation:
How do brain cells "talk" to each other?
ion 7 (5 points
If the resistance of aircuit is 3 ohms, and the voltage produced by the cell in the
circuit is 12 voltsvhat's the magnitude of the current?
12
36 amperes
0.25 amperes
9 amperes
4 amperes
Answer:
4 amperes
Explanation:
Using the formula; V = IR
Where;
V = voltage (volts)
I = current (amperes)
R = resistance (ohms)
From the formula; I = V/R
According to the information provided in this question, the resistance of circuit (R) is 3 ohms while the voltage (V) produced by the cell in the circuit is 12 volts.
Therefore, I = 12/3
I = 4 A or amperes.
4. Which of the following terms describes a disturbance that transfers energy from
one point to the other
a. A vacuum
b. A medium
c. A wave
d. None of the above
5. Which of these is not true about gamma rays ? a. They can travel through a medium b. The energy of the wave increases as the frequency increases The energy of the wave increases as the length of the wavelength increases d. They can travel through spacel a vacuum
6. X rays are called ionizing radiation because a. The radiation removes electrons from atoms b. The radiation does not disrupt chemical bonds The radiation keeps living tissues in tact d. The radiation has low frequency
Answer:
4. A
5. They can travel through a medium
6. The radiation removes electrons from atoms
Explanation:
Hope this helps:)
Studies of conjugation in multiple Hfr strains revealed that the bacterial chromosome was: circular. single stranded. directional. None of the above
Answer:
circular
Explanation:
Studies of conjugation in multiple Hfr strains revealed that the bacterial chromosome was circular.
Conjugation in bacteria is a process through which genetic materials are directly transferred from one bacterium to another. The process was first discovered by the experimental work of Joshua Lederberg and Edward Tatum in 1946. The donor bacterium first makes a copy of the genetic material by replication and then pass a copy to the recipient bacterium.
It was during the process of conjugation that scientists discovered that the genetic material of the bacteria is a circular chromosome, also known as the F plasmid. The circular chromosome breaks at a particular point and becomes a linear structure before replication and then folds back thereafter. The replicated chromosome is linearly transferred to the recipient cell.
what are two abiotic factors that might account for the differences in productivity among the land ecosystems in the table?
the two abiotic factors can be weather and soil
Uses of
some animals
Answer:
We keep animals to provide us with:
1. wool and hair for clothing, ropes and tents
2. hides and skin for leather.
3. meat, milk, eggs
4. bones, hooves and horn for a variety of uses.
5. Some animals are used for transport, ploughing and work.
6. We always benefit from the animals we keep.
These are the "Uses of some animals".
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The altitude where the dewpoint equals the air temperature is called what?
Answer:
saturated
When the dew point temperature and air temperature are equal, the air is said to be saturated. Dew point temperature is NEVER GREATER than the air temperature. Therefore, if the air cools, moisture must be removed from the air and this is accomplished through condensation.
(not sure tho)
The TreL gene is normally transcribed in skin cells, but not in muscle cells. This difference could be because
Explanation:
In muscle tissue, the TREL genome is usually transcription, though not in muscle tissue. Since there is no chemical compound in muscle cells that stimulates TREL production in skin cells,
Scott and his family recently moved to a large city, where the air sometimes looks hazy from smog. These four steps could result in the formation of this smog:
1. Ozone forms.
2. Polluting gases react with sunlight.
3. Temperature inversion traps pollution.
4. Cars emit hydrocarbons and nitrogen oxides.
Which answer shows the order in which these steps occur?
HELP ME PLSS
Answer:
Photochemical smog.
Explanation:
Photochemical smog occur when the hydrocarbons and nitrogen oxides react with sunlight. The hydrocarbons emit toxic compounds that is present in fossil fuels and nitrogen oxides that is produced due to high temperature and emitted from vehicles when combine with the sunlight produces photochemical smog or ozone. If this smog is present near the surface of earth, it adversely affect our health.
These four steps could result in the formation of this smog leads to photochemical smog.
What causes photochemical smog?Photochemical smog is created when sunlight reacts with nitrogen oxides and at least one volatile organic compound (VOC) in the atmosphere.
Nitrogen oxides come from car exhaust, coal power plants, and factory emissions. VOCs are released from gasoline, paints, and many cleaning solvents
Thus, these steps lead to photochemical smog.
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How has trend evolved from 6 million years ago to modern humans?
Answer:
well long ago humans used to wear animal skins and now we just wear clothes out of cloth,cotton and stuff
This is the solid layer of the earth. It includes the crust and the lithosphere.
lol
lolololololololololololololololololololololololololololololololololol!!
Answer:
Lithosphere
Explanation:
Explain how covalent bonds and hydrogen bonds hold together a strand of DNA
Answer:
Covalent bonds appear inside every linear chain and connect bases, sugars, and phosphate groups.
Hydrogen bonds appear between two strands and involve the base from one strand with the base from another strand in the complementary pairing.
Explanation:
A covalent bond is a chemical bond formed by joining electrons of two non-metal atoms into one or more common pairs.
A hydrogen bond (X-bond) is a type of weak chemical bond based on electrostatic attraction between a hydrogen atom and a nucleophilic atom that contains free electron pairs.
Rose plant can reproduce by just cutting one of its long stems and stick it to the soil. This is a best example of what type of asexual reproduction.Required to answer. Single choice.
(1 Point)
a. budding
b. flowering
c. vegetative reproduction
d. regeneration
What is the ans
Answer:
c
Explanation:
How does snake venom kill prey? How is venom toxicity measured?
Answer:
1.Snakes use their venom cautiously, injecting amounts sufficient to disable prey or to defend against predators. Snake venom works by breaking down cells and tissues, which can lead to paralysis, internal bleeding, and death for the snake bite victim.
2.Snake venom and other toxins' strength is measured using the LD50 (lethal dose 50%) test. ... The amount of test substance that kills half the animals gives the LD50 figure. LD50 figures are used, in theory, to indicate the standard toxicity value for each chemical.
The two main types of fermentation are
I need to get this right or else i fail.
Answer:
its d
Explanation:
did it myself on paper.
Please help me guys!!
Describe how many genes and chromosomes can be found in the human body, and how they influence physical appearance and other traits.
I don’t really have an answer but I have an explanation
Explanation: In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46. Twenty-two of these pairs, called autosomes, look the same in both males and females. These pairs of genes then determine certain physical features or traits.
Humans have 46 chromosomes and around 20,000-25,000 genes that determine physical appearance, behavior, and other traits.
What are chromosomes?The human body has 46 chromosomes, which are made up of long strands of DNA that contain the genetic information for an individual. These chromosomes are arranged in 23 pairs, with one chromosome from each pair inherited from each parent.
Each chromosome contains thousands of genes, which are segments of DNA that code for specific proteins that carry out various functions in the body. Genes play a key role in determining an individual's physical appearance, as well as other traits such as susceptibility to certain diseases and personality traits.
Inherited variations or mutations in these genes can lead to differences in physical appearance and traits between individuals. Additionally, environmental factors can also influence the expression of certain genes, further contributing to individual differences.
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What does the outside of the glass with ice cubes feel like
so u order soda, they give it to you on a cup of glass with Ice.
well u touch it, and what does it feel like?
C O L D
What are three types of forceful lifting of air?
Answer:
The correct answer is - orographic lifting, frontal wedging, or convergence.
Explanation:
The interaction of the air masses leads to the lifting of the air forcefully. These forcefully lifting of air are three types that are: orographic lifting, frontal wedging, or convergence.
orographic lifting: On the higher mountains the air masses move from low elevation to higher elevation as it moves.
frontal wedging: lifting of air takes place when warm air colloids to the cool air and cool air acts, to rise the air.
when air near the surface flows together and is pushed upward when it is squeezed together i known as convergence
Which section of the article BEST explains why
cladistics and phenetics are not entirely distinct
classification methods?
A: Types of Classification Systems
B: biological classification
C: classification system is based on phenetics
D: classification systems, based on cladistics/Phylogeny
what happens during the first part of Protein Synthesis?
Answer:
The first step of protein synthesis is called Transcription. It occurs in the nucleus. During transcription, mRNA transcribes (copies) DNA. DNA is "unzipped" and the mRNA strand copies a strand of DNA.
Explanation:
;)
what is an allele?
a. a group of proteins
b. a type of virus
c. a group of chromosomes
d. a form of a gene
Answer:
D
Explanation:
According to the online dictionary: one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome.
Answer: d. a form of a gene
Explanation:
An allele is one of a pair of genes that appear at a particular location on a particular chromosome and control the same characteristic, such as blood type or color blindness. Alleles are also called allelomorphs. Your blood type is determined by the alleles you inherited from your parents.
Suppose a plant on a farm needs a gallon of water per day to thrive. The farmer sets up an irrigation system that delivers exactly a gallon of water to the plant each day. However, the plant dries out. Why could this have happened
Answer:
Explanation:
This could have happened due to two reasons, either excess heat or lack thereof. The plant needs a gallon of water to thrive on a regular day. If the plant receives an excessive amount of heat it will completely evaporate the water and slowly dry out the plant until it withers away. The same can happen if there is not enough heat/sunlight, but instead, in this scenario, the water will take longer to evaporate and will accumulate in the soil. Adding more water will eventually block oxygen from passing and cause the plant to dry out and wither away.