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A. Photosynthesis
thankshope it helpsplease 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:
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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Which of the
following is the best
conclusion that can
be made from this
graph?
Answers are in pictures
PLEASE HELP FAST!!!
(DO NOT USE AS POINTS!!!)
4-6
PLEASE ANSWER RIGHT AND DO NOT ANSWER RANDOM!
Answer: C, D, B
Explanation:
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.
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
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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what would happen if snakes were removed from the food chain?
Let’s think about mutations in the context of selection and evolution. Normally, random mutations are very rare, but this process can be accelerated by using DNA damaging agents. Imagine you are working with yeast. Normally, high levels of salt kill yeast. However, you are conducting a random genetic screen to find salt-tolerant mutants. You use a DNA damaging agent (like EMS, or UV light) to damage the yeast DNA, then look for growth on plates with salt.
a. Does putting the yeast on salt cause the beneficial mutation? Why or why not?
b. If you screened your mutagenized yeast cell population on caffeine (another substance that normally kills them), could you find caffeine tolerant ones? (assume there is the potential for genetic resistance to caffeine).
a. Does putting the yeast on salt cause the beneficial mutation? Why or why not?
When the logarithmic growth of cells is interrupted by exposure to a 0.5 to 2 Molar salt solution the aueous solution consisting of KCl, NH4Cl, NaCl, MgCl2 are basically mutagenic in yeast .
Stationary phase cells are not mutated by the treatment.
b. If you screened your mutagenized yeast cell population on caffeine (another substance that normally kills them), could you find caffeine tolerant ones? (assume there is the potential for genetic resistance to caffeine).
For normal tolerance to caffiene the sty1 and pap 1 pathways are not necessary, but generally only sty1 is activated by mutation hence making yeast sensitive for caffiene.
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:
Could someone help with this question?
Answer:
Geology
Morphology
Paleobiology
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:
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?
AG CLASS
Which of the following distinguishes the institution most likely to provide the level of education needed to become a research plant geneticist?
Iowa Central Community College
Iowa State University
American Society of Agricultural and Biological Engineers
Organic Farming Research Organization
Answer:
No is wrong
Explanation:
Answer:
Iowa State University
Explanation:
Edge 2022, it's not Organic Farming Research Organization, I picked that one and got it wrong.
Four scientists observed an area of land that had been cleared of all trees and bushes to make space for a power line. Each scientist had a different argument about the impact clearing this area of land might have on the bird population living in the ecosystem. Which scientist’s argument demonstrates how the ecosystem will MOST LIKELY be impacted?
Answer:
The ecosystem is adversely affected.
Explanation:
The ecosystem is adversely affected due to clearing of all trees and bird population is also adversely affected because these trees are the source of habitat for these birds. When there is large number of birds in an ecosystem so the bird population automatically increases due to the presence of more habitat for the birds so if all the trees are removed so very little population of birds left in that ecosystem and this action leads to great disturbance in the ecosystem.
helphelp help gell help helpp
Which of the following things is not made of wither fermentation?
Cheese
Yogurt
Bread
Peanut butter
Chocolate
Answer:
peanut butter
Explanation:
it's very creamy and thick so I might say it's peanut butter
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.
You will learn more about cellular respiration at
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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:
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
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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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.
What is a transgenic organism
Answer: An organism whose genetic material has been altered using genetic engineering stuff.
Explanation:
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:
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
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
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
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.
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!
1.Are spindle fibers present during telophase 1?
2.What is happening to the cell membrane in this cell?
Answer:
During telophase nuclear membrane is formed, nucleolus appears and astral rays disappear.
During telophase, the effects of prophase and prometaphase - the nuclear membrane and nucleolus disintegrating are reversed. Two daughter nuclei form in each daughter cell, and phosphatases dephosphorylate the nuclear lamins at the ends of the cell, forming nuclear envelopes around each nucleus.