Most mutations will be helpful if a population is already well-adapted to its environment.
What is Mutation?This is defined as a change in the DNA sequence of organisms. These changes occur as a result of the ever changing environmental conditions.
When there is a high adaptability by the population, then it infers that the mutation is a helpful one.
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How does the genetic material on two sister chromatids compare?
Answer:
sister chromatids carry identical genetic make up all the time.
please help on these two pictures
Answer:
1.) D.
2.) A.
3.) C.
4.) Mutualism
5.) either parasitism or predator-prey
6) toxins
7) host
8)viruses
in your field experiment to study the gene flow between the lizard populations what type of evidence will support that gene flow has occurred?
The change in allele and genotypic frequencies in a population is evidence of gene flow.
What is gene flow?The term gene flow makes reference to the interchange of genetic material between individuals of two or more populations.
The gene flow generates a change in the allele and genotypic frequencies in the individuals of a population in equilibrium.
The gene flow may be due to migration and this phenomenon must be mediated by reproduction.
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A particular triplet of bases in the template strand of dna is 5' agt 3'. The corresponding codon for the mrna transcribed is
The corresponding codon for the mRNA that is transcribed is referred to as 3'-UCA-5'.
What is a Codon?This is defined as a trinucleotide sequence of DNA or RNA that corresponds to a specific amino acid.
During transcription, the corresponding base for Adenine is Uracil, cytosine is to guanine and Thymine is to Adenine and 5'3' to 3'5'.
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The corresponding codon for the mRNA transcribed is 3'-UCA-5'. The corresponding mRNA lacks the nucleotide base thymine (T).
What do you mean by mRNA?mRNA may be defined as the molecules that carry the genetic information needed to make proteins.
During transcription, the template strand of DNA is transformed into the mRNA in the nucleus of the cell. mRNA consists of nucleotide bases Adenine, Guanine, Cytosine, and Uracil. Hence, the sequence of the strand gets reversed according to the template strand of the DNA.
Therefore, the corresponding codon for the mRNA transcribed is 3'-UCA-5'.
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Which phrase best describes the need for ion channels?
ions must be able to interact with the charged regions of the cell membrane
o ions need to be sheltered from interacting with the charged regions of the cell membrane
Oso nutrients may enter the cell
O so nutrients may exit the cell
Ion channels are specialized proteins in the plasma membrane that provide a passageway through which charged ions can cross the plasma membrane down their electrochemical gradient. The resulting ionic current, generated by the movement of charged ions through membrane channels, can be measured by patch-clamp methods.
Ion channels must be able to interact with the charged regions of the cell membrane so nutrients can enter the cell.
What are ion channels?
Ion channels are passages in the cell membrane that allow the passage of charged molecules such as
Sodium: Na+Potassium: K+Ions pass from one side to the other of the cell according to the electrochemical gradient. In other words, they go from a place with high concentration to one of low concentration. But to do this, they need to interact with the charged regions of the membrane, which are the ion channels.
Ions channels are one of the ways that nutrients enter the cell.
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Think about how acids and bases would affect the water quality in the two lakes. which set of ph data would you expect to see based on your observations? lake a: ph = 4.5; lake b: ph = 7.5 lake a: ph = 8.3; lake b: ph = 3.7 lake a: ph = 6.6; lake b: ph = 6.8 lake a: ph = 10.2; lake b: ph = 1.7
Answer:
7.5
Explanation:
Its neutral and testless
Water first-rate has significantly laid low with the presence of acid and base within the water. So answer is lake a: ph = 6.6; lake b: ph = 6.8.
The water isn't always precise for fitness whilst its exceptionally acidic or exceptionally basic. If the pH of water is almost impartial, this water is nice for consuming purpose. In the choice 3, each lake A and lake B has pH almost impartial so this water reasons no awful impact at the fitness of the human body. Highly acid water has low water first-rate because of the presence of metals which adversely have an effect on our body.
What is pH of lake water ?The pH degree of the water in rivers, lakes, and wetlands is critical to plant and animal life is 7.
Hence explained.
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Which part of the respiratory system interacts with the blood to exchange gases?.
Answer:
Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them.
3.) Is the trait shown recessive or dominant?
Answer:
top two are recessive if not shaded
Explanation:
bottom one is dominant male
What is the difference between a clade and a derived characteristic?
Answer:
A clade needs a derived characteristic. If mammals were a clade, their derived characteristic would be having hair.
determine if the following are true or false
Which of these belongs to the four macromolecules of life.
lipids (fats & oil)
enzymes
fructose
oxygen
Answer:
lipids actually
Explanation:
because the four macromolecules of life are Macromolecules,
Carbohydrates, Proteins, and Lipid
What kind of enzyme removes a phosphate group from a protein?.
Answer:
A phosphatase
Explanation:
A phosphatase is an enzyme that removes a phosphate group from a protein. Together, these two families of enzymes act to modulate the activities of the proteins in a cell, often in response to external stimuli.
Which area of the stomach adjoins the small intestine?.
The pylorus is the answer. Hope this helps
Question 2 of 10
What is the name of the planet next to the label A?
Solar System
A
EARTH
SUN
O A. Saturn
O B. Mars
OC. Venus
Answer:
C venus
Explanation:
This can be learnt as Mary's violet eyes makes John stay up nights
M-mercury
V-venus
E-earth
M-mars
J-jupiter
S-saturn
U-uranus
N-neptune
In RNA molecules, adenine is complementary to
Select one:
O a. thymine.
O b. guanine.
O c. uracil.
O d. cytosine.
What the weakness of DNA Extraction??
Please help me
Thank you
Answer:
the weakness potential is for invasion of individual privacy.
Explanation:
Because a person's DNA reveals so much information about their physical state, it is sensitive information that must be carefully guarded.
Why is the percentage similarity in the gene always lower than the percentage similarity in protein.
Answer:
Synonyms in the genetic code exist and some species only use one synonym to get the same amino acid. The reason why the percentage is low in gene is because it does not involve a lot of processes compared to the proteins which undergo mRNA and tRNA to be coded as amino acids.
Explanation:
Which statement describes the solar feature labeled B?
Answer:
here is the pic so can someone answer the question I need help T-T!!!
The scar left on the seed coat after the seed has separated from its stalk is called the: a. Micropyle. B. Funiculus. C. Hilum. D. Suspensor. E. Integument
The scar left on the seed coat after the seed has separated from its stalk is called the: Hilum.
The ________ helps keep food between the grinding surfaces of the teeth during chewing.
Fill in the concept map with details about linnaean taxonomy.
The classification of Linnaean taxonomy include kingdom, phylum, class, order, family, genus, and species.
What is taxonomy?It should be noted that taxonomy simply means the classification of items based on their structures and behavior.
The linnaean taxonomy is the classification that was set up by Carl Linnaeus. In this case, the classification of Linnaean taxonomy include kingdom, phylum, class, order, family, genus, and species.
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Which step constitutes the power stroke of muscle contraction?.
How is gravity simulated on the hermes spacecraft?.
Answer:
A section of the spacecraft is slowly rotated in order to simulate the force of gravity.
Explanation:
The rotational force of the spacecraft makes an artificial sort of gravity, which can be altered by changing the speed of the spinning or by moving the rotating part further/closer to the center point of rotation.
Which of the following do all organisms have in common?
Answer:
What Do All Organisms Have In Common? All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life.
Explanation:
Would a human with enough food and water and oxygen in a suit survive a full close orbit around Earth? I would think not because of all the space junk, but thats the only reason I can think of.
Explanation:
except that, their first problem is how to drink the water and eat the food provided while at the same time taking in oxygen...
And the close orbit would either pull them towards earth resulting in a collision
or shoot them out of the orbit at insane speeds
in both case they will die..
as soon as they will enter the earth's atmosphere, they will be burned alive by the heat due to the friction between their body and the air around them when they will be in the process of collision.
even if they avoid all this, they will still either be burn to death or freeze to death on either side of the earth coz the suit is only suitable for a limited amount of time...
Direction: Look at the images below. Explain what is so amusing or funny about these cartoons? How are these images related? What is the focus of these cartoons?
The inference that can be deduced from both pictures is that the pictures simply talk about climate change and its impact.
What is climate change?Climate change simply means the ice melting, ocean warming, rise in sea level and the acidification of oceans.
In this case, the inference that can be deduced from both pictures is that the pictures simply talk about climate change and its impact.
The first picture is about the Santa that was in the North Pole melting and the second picture is about the impact of climate change on sharks.
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________ is/are one of the main causes of evolution.
Mutations
Darwin
Niches
An acquired trait
Answer:
mutations
hope this helps
How do the features specific to animal and plant cells influence their function?
Answer:
They are different but have many similarities
Explanation:
for example a plant cell needs chloroplasts to he able to photosynthesize and I huge vacuole while animal cells have many small vaccoules and not chloroplasts
How do Antibodies help fight Infections/viruses and bacteria in our body
Answer:
The acquired immune system produces special molecules (known as antibodies) with the help of immune cell system that protects the body against a specific intruder. After the body has been exposed to the invader, cells called B lymphocytes produce antibodies. Antibodies remain in your child's system.
An advantage to mendel working with purebred plants is.
Answer:
He would get a expected gene in a plant, for example. Purebred tall pea plants would most likely give off more tall plants, with little runts.
It gives a certainty to what you're doing, and getting more sellable/ useable products.