Answer:
A. to enter a cell at a specific receptor site.
Answer:
To enter a cell at a specific receptor site
AND
To cause an internal cell reaction which maintains homeostasis
Explanation:
Hope this helps! :D
How does the chromosome number of daughter cells compare with the amount of chromosomes in parent cells?
Answer:
Mitosis creates two identical daughter cells that each contain the same number of chromosomes as their parent cell. In contrast, meiosis gives rise to four unique daughter cells, each of which has half the number of chromosomes as the parent cell.
Explanation:
What is the purpose of crop rotation?
A) To have a variety of plants for harvest
B) To improve soil color
C) To improve soil fertility and structure
D) To increase biodiversity
E) To loosen the soil for burrowing animals
Please select the best answer from the choices provided
A
B
Answer:
C) To improve soil fertility and structure
Explanation:
Crop rotation, the practice of planting different crops on the same land, improves soil health and boosts nutrients within the soil.
Question
The cells ilustrations below represent diferent stages of meiosis. In which order would these
In the event of a mismatched nucleotide , which molecule is able to backtrack , "proofread , " and correct the nucleotide sequence ?
A. DNA Proofreadase
B. DNA Polymerase
C. DNA Helicase
D. DNA Primase
Answer:
The molecule that is able to go back and correct an error in the DNA nucleotide sequence is DNA polymerase (option B).
Explanation:
DNA polymerase is not only the enzyme that contributes to the polymerization of a new DNA strand during the replication process, but it can also correct errors in synthesis, such as when a mismatched nucleotide is placed.
Once an error has been detected during synthesis, the DNA polymerase —acting as a 3'-5'- exonuclease— reverses the process, the direction of synthesis, to correct the error which in this case is the mismatched nucleotide.
The other options are not correct because:
A. DNA proofreadasa does not exist.
C. Helicase breaks the hydrogen bridges that bind the nucleotides allowing the separation of the DNA strands. In some cases, it also acts as a DNA repairer
D. DNA Primase is responsible for the synthesis of primers.
The molecule that is able to get back to the correct the errors in the DNA is DNA Polymerase.
The polymerase is a member of the family of enzymes which synthesis the DNA molecule and forms triphosphate. They are essential for the replication of the DNA.Hence the option B is correct.
Learn more about the mismatched nucleotide , which molecule.
brainly.com/question/19551220.
Why is the protein coding of most human genomes identical?
Answer:
On average, the protein-coding regions of the mouse and human genomes are 85 percent identical; some genes are 99 percent identical while others are only 60 percent identical. These regions are evolutionarily conserved because they are required for function.
Explanation:
Brainliest please?
Together, photosynthesis and cellular
respiration make the:
A.water cycle
B.oxygen cycle
C.carbon cycle
En un experimento un floricultor cruzó plantas de flores púrpuras con plantas de flores blancas, los resultados obtenidos durante la primera generación fueron de un 100% de flores púrpuras, y en la segunda generación un 25% de flores serán de color blanco y el resto de color púrpura. Los genotipos de los parentales (P)
Answer:
Los genotipos de los parentales son:
- pp (homicigota dominate con flores púrpura)
- bb (homocigota recesivo con flores blancas)
Explanation:
Alelos:
p: púrpura y b: blanco
Genotipos parentales:
- pp: homocigota dominante (flores púrpura)
- bb: homocigota recesivo (flores blanca)
Cruzamiento parental: pp X bb
F1: 100% pb
Cruzamiento F1: pb X pb
F2: 25% pp (flores púrpuras), 50% pb (flores púrpuras) y 25% bb (flores blancas)
En este caso, el alelo que determina el color púrpura es dominante sobre el alelo que determina el color blanco. Es por esta razón que en la F1 todas las plantas heterocigotas exhiben un fenotipo con flores púrpura. En la F2 la proporción fenotípica será 1:2:1 (1 homocigota dominante, 2 heterocigotas y 1 homocigota recesivo), mientras que la proporción genotípica será 3:1 (3 plantas con flores púrpuras y 1 planta con flores blanca).
how might a karyotype used unethically
karyotype can be used unethically by-
Racially using human Karyotype to characterize race.by setting some parameters that is not legal when using karyotype base on certain factors by companies.The selection of Human based on aesthetics such as skin colour etc.The selection of Human because of only their gender.The use karotyping for extortion or gains obtained from people.Karyotyping is simply known as the process where the photographs of chromosomes are taken in order to known the chromosome complement of an individual, including the number of chromosomes and if an abnormalities exist.
Conclusively, Karyotyping is often used for the complete set of chromosomes in a species and also for a test that measures the number of Chromosomes.
Learn more from
https://brainly.com/question/2680111
Cells within organisms often need to communicate and work together to carry out life's processes. Which of the following enables cells to communicate?
The apples at the local supermarket have been genetically engineered to resist warmer temperatures than they did before. What do these apples contain? transgenic DNA transgenic organisms recombinant DNA recombinant organisms
Answer:
recombinant DNA
Explanation:
i took the quiz
Answer:
Recombinant DNA.
Explanation: This is the correct answer on Edge 2020 (just took the quiz and made a 100% ^-^).
Which of the following must occur before DNA replication can take place?
Answer:
Before replication can occur, the length of the DNA double helix about to be copied must be unwound. In addition, the two strands must be separated, much like the two sides of a zipper, by breaking the weak hydrogen bonds that link the paired bases.
Explanation:
What would happen if the sedimentary rock was exposed to energy from the sun and then millions of years later to energy from Earth’s interior?
Answer:
They would become igneous rocks
Explanation:
If originally, sedimentary rocks are exposed to energy from the sun, no changes will occur to them.
One will hardly spot any difference in their mineralogical composition as such.
The temperature of the sun does not any significant alteration on earth materials. The heat from the interior has a very significant effect on rocks, especially sedimentary rocks. Heat from the interior can reach a staggering 6000°C which is more than enough to cause a metamorphic change in a body rock. In fact, at this temperature, igneous rock will be produced from the sedimentary rock.Igneous rock will be produced from the sedimentary rock if the sedimentary rock was exposed to energy from Earth’s interior for millions of years.
The temperature of the sun does not make any significant changes on sedimentary rocks.
The heat from the interior has a very significant effect on sedimentary rocks.Heat from the interior can reach upto 6000°C which is able to cause a metamorphic change in a rock.Therefore, igneous rock will be produced from the sedimentary rock if the sedimentary rock was exposed to energy from Earth’s interior for millions of years.
To know more about Sedimentary rocks,
https://brainly.com/question/20626570
What cell membrane structure allows water-soluble materials to be passively transported to the cytoplasm?
A. Endocytosis vesicles
B. Carrier proteins
C. Hydrophilic phospholipid tails
D. Golgi complex vesicles
Answer:
B. Carrier proteins
Explanation:
Water-soluble materials, such as glucose, amino acids, and ions, need help to cross the membrane because they are repelled by the hydrophobic tails of the phospholipid bilayer. The tails are not hydrophilic.
Endocytosis vesicles are an example of active transport, they require energy to allow large molecules to be taken into the cell through a system of vesicles.
Golgi complex vesicles deliver proteins and other macromolecules outside of the cell from the inside.
Carrier proteins can participate in both active and passive transport across cell membranes. For example, carrier proteins with channels can help molecules cross the membrane passively.
PLEASE HELP I AM TIMEDD!!!!
12.Thomas needs aluminum for his science experiment. He obtains 2 pieces of shiny metal. One is labeled “Al” but he is not certain if the other piece is also aluminum. Which property would Thomas most likely test first to confirm if the second piece is the same?
a. Density
b. Flammability
c. Boiling point
d. Solubility
Answer:
density
Explanation:
starch is a ____.
-monosaccharide
-disaccharide
-hormone
-polysaccharide
Answer:
Polysaccharide
Explanation:
???usually means clear weather because stable air is sinking.
O A. High humidity
B. Lower air pressure
C. Low humidity
D. Higher air pressure
High air pressure usually means clear weather because stable air is sinking. The correct option would be D.
High air pressureHigh air pressure usually causes the sky to be clear.
This is because high air pressure causes the air at the lower atmospheric level to sink down towards the earth.
This is unlike low air pressure. It brings a cloudy sky along with precipitation.
More on air pressure can be found here: https://brainly.com/question/15189000
#SPJ1
what is exponential growth? do most populations grow exponentially if not what pattern does describe their growth
Answer:
you are correct and exponential growth is also imppossible
Explanation:
answer 14 and 15 best answer gets brainliest
Answer:
14- July
15- the precipitation would be in the form of ice or snow.
Explanation:
Mitosis is best described as:
O nuclear division that ensures each daughter cell has the same genes and chromosomes as the parent cell
O daughter cells that have the same chromosomes as the partent cells
O nuclear division that reults in meiosis and chromosomal equity
O nuclear dividion that results in daughter cells that have twice the number of chromosomes as the parent cells
O cell division where the daughter cells are the same as the parents cells
Answer:
A
Explanation:
the first one
how do photosynthesis and cellular respiration form a cycle?
Answer:
The carbon cycle is the pathways through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.
Explanation:
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
Hi i need help with this Punnet square table , please help if you can!!!
Answer:
Explanation:
We need to know the parents eye color but I can still kind of answer the question
Answer:
you will have a 1/4 chance to get brown eyes and a 3/4 chance of having blue eyes
Explanation:
A motorcycle accelerates 3 m/s2 due to a force of 330 N. What is the mass of the motorcycle? Mass of motorcycle = _____ kg
Answer:
110 kg
Explanation:
Given
Acceleration (a) = 3m/s²
Force (F) = 330N
Required
Determine the mass of the motorcycle
This question is an illustration of Newton's second law and will be solved using:
Force = Mass * Acceleration
F = m * a
This above implies that force applied on the motorcycle is a product of its mass and its acceleration
Substitute values for F, and a
330N = Mass * 3m/s²
Make Mass the subject
Mass = 330N/3m/s²
Mass = 110kg
Hence, the calculated mass of the motorcycle is 110kg
Answer:
110
Explanation:
Which strategy for comprehension takes a reader beyond what is on the page?
Answer:
i think i know the book maybe i looked at the wrong one but heres what i got
Explanation:
the answer should be d) he was one of those young thousands who greeted the war with a certain amount of relief, welcoming the liberation from webs of tangled emotion" since it is the best option because it shows his desire to free himself.
hope this answer you! have a great day.
Using the cubes above, which of these statements is true?
A. The large cube has more volume than the small cube
B. The small cube has more volume than the large cube
C. Both cubes have equal volume
D. Neither cube has volume
Answer:
A. The large cube has more volume than the small cube
Do y’all know each of these ?
HELP PLEASE !!!
Answer:
5. inner membrane
Explanation:
Answer:
1 - rough endoplasmic reticulum
2 - the purple is chromatin and the red is the nucleolus
3 - mitochondria
5 - cytoplasm
11 - lysosomes
12 - ribosomes
Explanation:
I'm not sure about the rest of them and these are for if it is an animal cell. Hope this helps!
Where does the blood go when its pumped out of the right ventricle?
Answer:
the right ventricle pumps the oxygen-poor blood to the lungs through the pulmonary valve.
how does newtons law of universal gravitation apply to earth and the moon
Where do you think the oxygen that
we breath in comes from?
Answer:
plants
Explanation:
all green life gives us oxygen, and in turn we give c02 or carbon dioxide
Homeostasis is maintained by which of the following organ systems in humans?
A. Multiple organ systems working together
B. The muscular system
C. The endocrine system
D. The nervous system
A. Multiple organ systems working together
Explanation:
All of the organ systems work together to maintain homeostasis in humans because each system does something different. For example, the circulatory system delivers oxygen rich blood to the bones and the bones create new blood cells. When one thing is wrong with one system, it affects all of the systems, like a disease. Another example of this would be the central nervous systems and endocrine working together to coordinate messages to the brain about the body's state while resting and exercising to maintain homeostasis.
What is the correct answer?
Answer:
It's either the 1st one or da 2nd one that all I know lol sry.
Explanation: