Answer:
The correct answer is - active transport.
Explanation:
Active transport is the movement of a substance that crosses the cell membrane against the concentration gradient and therefore requires energy in the form of ATP. In contrast, passive transport does not require energy for the movement of a substance through the cell membrane as it moves to the concentration gradient.
This movement of molecules is towards the region of high concentration from the region of lower concentration through the cell membrane by elcectrochemical gradient or ATP.
What is a transgenic organism
Answer: An organism whose genetic material has been altered using genetic engineering stuff.
Explanation:
She is puzzled that the clone does not have an effect, even though she knows, based on available mutants, that loss of the function of this gene causes worms to die as larvae. You look at the sequence of the DNA she used to make the feeding clone and discover that it corresponds to an intron in the gene. What would you say to the student to explain why her experiment did not succeed
Hello. Your question is incomplete, which makes it difficult to answer, but we can consider that the girl's experiment went wrong because she used a DNA sequence that only corresponds to introns that are not capable of encoding amino acids. Therefore, you could explain to the girl that her experiment did not work, because the introns do not encode amino acids, which prevents the clones from developing proteins that are essential for their survival, since the amino acids are the protein-building molecules .
Introns are important for the control of gene expression, but they cannot encode any amino acid, without which the organism cannot survive.
Match the following terms with the correct definition.
Answer:
1. A (Central dogma)
3. F ( Peptide)
4. G ( protien)
5. E (Robosome)
6. C (RNA)
Explanation:
That's all I know. If not switch 1 and 5 they might be the same id/k
Hope this helped and have a wonderful day!
A wildfire burns through a grassland in the dry Texas Hill Country. The grass on the knolls burns and turns into ash, and the ash forms a layer on the ground. With the first rain, seedlings begin to sprout. Which of the following is most likely to occur in the coming years?
A
The Hill Country will see a decrease in species diversity because the main plants in the area have burned away.
B
The Hill Country will see no change in species diversity because the number of new species will equal the number of old species.
C
The Hill Country will see a decrease then an increase in species diversity because all of the old species will be replaced by new species.
D
The Hill Country will see an increase in species diversity because the soil has been enriched by the ash.
Answer:
a becus its 5 pownts
Explanation:
PLEASE HELP FAST!!!
(DO NOT USE AS POINTS!!!)
4-6
PLEASE ANSWER RIGHT AND DO NOT ANSWER RANDOM!
Answer: C, D, B
Explanation:
If Bob and Mary were to have four offspring, what would be the
probability that all of the offspring would be blue?
Hints
a. 0.5 x 0.5 x 0.5 x 0.5 = 0.0625 or 6.25%
b. 50 x 50 x 50 x 50 = 6,250,000 or 62.5%
C. 0.5 +0.5 +0.5 +0.5 = 2.0 or 200%
d. It would be impossible for them to have four blue offspring in a row.
Answer:
B
Explanation:
I'm not sure but it seems like it would be B because you have a 50/50 chance to have a certain offspring.
Suppose that you have cancer cell line X was treated with drug Y to
increase the expression levels of protein Z which is a tumor
suppressor gene.
Explain How can you study protein Z in these cells?
Explain how can you study protein Z components?
The table shows the main food source of different organisms that make up a food chain.
Organism
Food Source
Grasshopper: Grass
Hawk: Snake
Snake: Mice
Mice: Grasshopper
Which set of trophic levels correctly describes the organisms?
Answer:
the one the already have clicked
Immediately after an action potential has peaked, which of the following channels will open?
A) Voltage gated potassium channels.
B) Chemically gated chloride channels
C) Voltage gated sodium channels
D) Voltage gated calcium channels
please give a brief explanation for each correct or incorrect
please name at least FOUR properties of water
i will give you brainliest!
Answer:
Adhesion, Cohesion, Evaporating Cooling, and Surface Tension
Hope this helps! :)
What is a molecular clock?
Select one:
ill give 30 points!
The idea that some sections of DNA can accumulate mutations fast while other parts accumulate mutations more slowly.
The idea that some sections of DNA are resistant to mutations and do not have them.
The idea that DNA evidence can be used to support evolution.
The idea that a section of DNA accumulates mutations at a constant rate over time.
Answer:
pretty sure its c (the thrid one)
Explanation:
please help me :( this is due in 5 mins.
A segment of DNA strand has the following bases:
TAC GAT
What is the complementary strand of mRNA?
A: UAG CAU
B: TAG CAT
C: ATG CTA
D: AUG CUA
Answer:
is D: AUG CUA
Explanation:
Which of the
following is the best
conclusion that can
be made from this
graph?
Answers are in pictures
3) Besides pH, what other soil factors affect producers?
4) What is the main reason plants require water
Answer:
3) Drainage capacity
Soil minerology (Nutrients)
4)To produce their own food i.e. photosynthesis
On a shade-grown coffee plantation, smaller coffee plants grow in the shade
of forest trees. The practice produces fewer coffee beans than growing
coffee in full sun, but it is more sustainable because it provides habitat for
forest birds. What is one disadvantage of shade-grown coffee farming?
O A. It provides farmers with only one kind of crop.
B. It generates lower profits from coffee bean sales.
О
C. It increases soil erosion.
O D. It reduces habitat for native species.
It generates lower profits from coffee bean sales, Thus, option "B" is correct.
Explain how It generates lower profits from coffee bean sales?The growing coffee in a shade requires a particular set up like plastic or tin shade whose cost will be more.
Also although the it is sustainable for providing a shelter to the forests birds but special measures should be taken so that these coffee plants remain unaffected by the bird population.
Hence, it will cost more than the conventional method of Farming coffee.
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what would happen if snakes were removed from the food chain?
The periodic table
a.) is arranged by atomic mass
b.) was developed by early alchemists
c.) is arranged by number of protons
d.) is divided into vertical periods and horizontal groups
Answer:
D.)
Explanation:
The periodic table is divided into vertical periods and horizontal groups.
Which of the following is necessary for a geothermal plant to function?
Your answer:
biomass
fossil fuels
heated rock
hydrogen
sunlight
Answer:
Geothermal power plants use hot water to generate steam to turn a turbine for electricity generation. Since the heat of the water is the essential component of a geothermal power plant, these active systems are typically located where hydrothermal reservoirs exist.
Earth's polar regions have cold, dry climates because the Sun's rays are at a
1
low angle, and upper atmospheric air is sinking
2
low angle, and upper atmospheric air is rising
3
high angle, and lower atmospheric air is sinking
4.
high angle, and lower atmospheric air is rising
Answer:
1. low angle, and upper atmospheric air is sinking
Explanation:
Weather can be defined as the atmospheric conditions of a particular area over a short period of time. Some of the elements of weather are wind, humidity, temperature, air pressure, precipitation and clouds.
Basically, the weather of a particular area or region may change hourly, daily, monthly or even annually.
On the other hand, climate refers to the change in the atmospheric conditions and manifestation of weather in a particular area over a long period of time usually 30 years.
In Science, Earth's polar regions refer to the areas that are typically located between the North Pole and the Artic Circles or South Pole and the Antarctic Circles.
The very cold temperatures found in polar regions causes the air to be very dry and as such there's no much atmospheric moisture; reducing the amount of precipitation (rain, sleet, snow or clouds) drastically.
At higher altitudes (heights above sea level), the angle of incidence of the sun's ray (sunlight) is usually at a low angle striking the tilted surface of the Earth.
Hence, Earth's polar regions have cold, dry climates because the Sun's rays are at a low angle, and upper atmospheric air is sinking, which leads to an increase in the amount of heat received.
Earth's polar regions have cold, dry climates because the Sun's rays are at a low angle, and upper atmospheric air is sinking.
Climate of a Polar RegionThe two most important factors in the climate of an area are temperature and precipitation. The temperature of Polar areas are in negative because the sun's rays strike these areas at very low angles.
Due to very cold temeperature there is no moisture in the air, and hence the air is very dry, this is why the Precipitation in Polar areas is too low. Hence, the polar region have cold, dry climates. Therefore, as per above statment we can say that the correct option is 1. Low angle, and upper atmospheric air is sinking.
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Read through this series of events that lead to cellular respiration, or the production of energy in your body. Put these events in the correct order by numbering them from 1 to 5 in the blank boxes next to the events.
You eat a hamburger and breath oxygen
Oxygen and glucose combine to form carbon dioxide, water, and ATP.
Energy is used by cells in your body to function and grow; you exhale carbon dioxide.
Oxygen goes immediately from your lungs to blood vessels to cells.
Food molecules in the hamburger are broken down into glucose in the digestive system.
Answer:
You eat a hamburger and breath oxygen
Oxygen goes immediately from your lungs to blood vessels to cells.
Food molecules in the hamburger are broken down into glucose in the digestive system.
Oxygen and glucose combine to form carbon dioxide, water, and ATP.
Energy is used by cells in your body to function and grow; you exhale carbon dioxide.
The digestive and respiratory systems work together to provide oxygen and organic compounds to the body, which, through cellular respiration, produce ATP and water and release CO₂. The order is A, D, E, B, C.
Every function in the organism needs the energy to occur.
Different systems work together and are equilibrated to achieve correct functioning.
For instance, the digestive and respiratory systems work together to provide oxygen and organic compounds that are used to produce energy through cellular respiration.
Cellular Respiration processCellular respiration is a process through which cells produce energy by degrading organic compounds.Aerobic cellular respiration depends on the presence of free oxygen, and occurs in the mitochondria.It is a series of reactions by which pyruvic acid (product of glycolysis) turns into CO₂ and H₂O, producing many ATP molecules. GlycolisisRespiration begins with the process of glycolysis, which occurs in the cytoplasm.It does not need oxygen to occur. Glycolysis is the process through which the cell partially decomposes glucose and turns it into pyruvate.
Pyruvate enters the mitochondria matrix and turns into Acetyl CoA.
Krebs CycleIt takes place in the mitochondria matrixAcetyl CoA enters the Krebs cycle through which CO₂ is released and ATP, NADH, and FADH₂ are produced.Oxidative phosphorylationThe process of oxidative phosphorylation is constituted by the electron transporter chain + chemiosmosis.It occurs in the internal mitochondrial membrane. It uses electrons from NADH and FADH₂ to produce ATP and water molecules.
The correct order of events is as follows,
A) You eat a hamburger and breath oxygen
D) Oxygen goes immediately from your lungs to blood vessels to cells.
E) Food molecules in the hamburger are broken down into glucose in the digestive system.
B) Oxygen and glucose combine to form carbon dioxide, water, and ATP.
C) Energy is used by cells in your body to function and grow; you exhale carbon dioxide.
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Muscles are named in a variety of ways; the muscles on the sides of the head are named according to their
a. size.
b. location.
c. action.
d. location of insertion.
Answer:
Muscles are named in a variety of ways; the muscles on the sides of the head are named according to their location.
Every organism has a unique ecosystem in which it lives. This ecosystem is its natural habitat. This is where the basic needs of the organism to survive are met: food, water, shelter and a place to breed. All organisms need to adapt to their habitat to be able to survive. Animals and plants with adaptations that make them better suited for the environment will survive and reproduce better than those less suited for the environment. What adaptations are beneficial in the taiga or boreal ecosystem, marked B on the map? Select ALL that apply
Animals dont need to breed to survive for themselves, but they do need food, water and shelter
is that whats being asked? this is a bit confusing
Some human white blood cells help destroy pathogenic bacteria by *
(1) causing mutations in the bacteria
(2) engulfing and digesting the bacteria
(3) producing toxins that compete with bacterial toxins
O (4) inserting part of their DNA into the bacterial cells
Answer:
2
Explanation:
They either engulfy and digest pathogens(phagocytosis) or produces antibodies.
Some human white blood cells help destroy pathogenic bacteria by engulfing and digesting the bacteria. The correct option is B.
Thus, By engulfing pathogenic bacteria through a process known as phagocytosis, some human white blood cells, notably phagocytes like neutrophils and macrophages, aid in the destruction of pathogenic germs.
These phagocytes have the capacity to identify and bind to bacteria, creating a phagosome—a membrane-bound compartment—around the bacterium.
The phagosome then joins forces with lysosomes, which are organelles that carry digesting enzymes, to create a phagolysosome. The bacteria are exposed to the lysosomal enzymes inside the phagolysosome, which causes them to break down and die.
Thus, Some human white blood cells help destroy pathogenic bacteria by engulfing and digesting the bacteria. The correct option is B.
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3) Write 3 sentences that explain how limiting factors can change the carrying capacity of
an ecosystem?
Answer:
Limiting factors determine carrying capacity. The availability of abiotic factors and biotic factors dictates how many organisms can live in an ecosystem. Carrying capacity is also impacted by the availability of decomposers. ... Humans can also alter carrying capacity.
Pine
Trees
Shrubs
Mass of Plants
The graph to the left
illustrates the mass of
different types of plants
during succession. Which of
the following best describes
what occurs to the amount
of
grasses in the graph?
Oak
Trees
Grasses
Mosses
Time
It decreases continuously.
It increases continuously.
It increases for a while and then decreases.
It does not change.
Answer:
it increases for a while and then decreases
Elizabeth is a schoolteacher. She is drawing a marine food chain on the board. Which marine organisms should be at the base of the chain?
Answer:
cyanobacteria, algae and marine plants.
Please help!
The map shows areas of upwelling. Climate scientists predict that upwelling
may intensify along the western coast of the United States. What effect is
more intense upwelling likely to have on this area?
A. More starved marine species
B. Diminished ocean productivity
C. Fewer marine species
D. More nutrients for photosynthesis
Answer:
I think the answer may be D for you because for me the correct answer was “more thriving fish in the area” I’m so sorry if that isn’t the correct answer though
Explanation:
which describes the importance of seed dispersal
Answer: s e e d d i s p e r s a l
Explanation:
pleaseeeeeeeeeee help
Which of these materials would be most useful in terms of retaining residue evidence in an explosion?
A. Wall insulation
B. A bronze statue
C. A concrete wall
D. A steel barricade
Answer:
C. A concrete wall
Explanation: