Answer:
Explanation:
All Plants use photosynthesis to create their food, or energy, in the presence of Sunlight and Carbon dioxide.
1. What is an antigen?
2. Why is it important to match blood types when giving a blood transfusion?
3. Why are people with type O blood called "universal donors"?
4. Who are universal recipients? Why?
I'm trying to hurry I forgot my notebooks at school so please HELP!!!!!!!!!!!!
Answer:What is an antigen?
a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.
Why is it important to match blood types when giving a blood transfusion?
The accurate grouping of blood is very important when it comes to having a blood transfusion. If blood is given to a patient that has a blood type that is incompatible with the blood type of the blood that the patient receives, it can cause intravenous clumping in the patient's blood which can be fatal.
Why are people with type O blood called "universal donors"?
Type O-negative blood does not have any antigens. It is called the "universal donor" type because it is compatible with any blood type. ... Minor antigens (other than A, B, and Rh) that occur on red blood cells can sometimes also cause problems. So they are also checked for a match before giving a blood transfusion.
Who are universal recipients? Why?
Type AB-positive blood is called the "universal recipient" type because a person who has it can receive blood of any type. Although "universal donor" and "universal recipient" types may be used to classify blood in an emergency, blood type tests are always done to prevent transfusion reactions.
Explanation:
hope it the right answer and it help you
Tsunamis are often the result of underwater earthquakes. A tsunami can produce waves of up to 20 meters in height when they reach the shore, causing immense damage. Which of the following is a consequence of these catastrophic events?
Replenishment of the area’s water table
Loss of biodiversity as habitats are destroyed
Greater financial gain by the fishing industry
Secondary earthquakes that cause further destruction
Answer:
B
Explanation:
Answer:
B. Loss of biodiversity as habitats are destroyed.
Explanation:
For A, it wouldn’t make sense for the water tables to be replenished after a tsunami.
For C, fishing industries actually should have financial losses because of the tsunami, not many fish should be in the area.
For D, well tbh another earthquake shouldn’t happen, one earthquake following another yes would be catastrophic but isn’t very likely to happen. •_•
In other words, B makes the most sense and most reasonable.
Hope this helps, have a great summer! :D
What process allows your body to cool off on a hot day?
A. insulation
B. evaporation
C. convection
Answer:
B.
Explanation:
When you sweat cools your skin as it evaportates.
Macroevolution occurs within a population.
Answer:
Unsure what this is asking but yes, it does.
¿Cuál es el número total de cromosomas?
Los seres humanos tienen 23 pares de cromosomas. Pero un total de 46.
¡Espero que sirva de ayuda!
Garlic mustard has been introduced to the beetles ecosystem. Describe what would happen to the beetles population as a result and explain why.
Answer:
It would collapse
Explanation:
Garlic mustard also produces root exudates that inhibit the growth of important soil fungi and leaf chemicals that kill native butterfly larvae that feed on the plant
In addition, invertebrates and other consumers that rely on these natural plant species for food are harmed by the spread of this invasive "weed". Garlic mustard also produces root exudates that inhibit the growth of important soil fungi and leaf chemicals that kill native butterfly larvae that feed on the plan
Garlic mustard is an invasive plant species that is known to negatively impact native plant populations in ecosystems.
What is invasive plant?An invasive plant is a non-native plant species that is introduced to an ecosystem and has the ability to spread and negatively impact native plant and animal populations.
Garlic mustard is known to release chemicals that inhibit the growth of other plant species, including some that the beetles may rely on for food.
This could lead to a reduction in food availability for the beetles, which may cause a decline in their population.
Additionally, if the beetles are not adapted to feeding on garlic mustard, they may not be able to digest or utilize the plant efficiently, leading to further declines in population.
Thus, the impact of garlic mustard on the beetle population will depend on the specific beetle species and the extent to which they rely on native plant species for food.
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Describe how the jump rope could be used to model the cell membrane of a plant
cell.
Answer: Plants can use the energy from sunlight to turn water and carbon dioxide into. When the cell has enough organelles to make two cells, the division process starts. Let's discuss the process of photosynthesis again, this time taking a closer look at it. Just A long rope to represent the cell wall.
Jump rope is thin and elastic which is made by twisting two threads together which somewhat looks like a cell membrane can be used as a model for plant cell membrane.
What is cell?"The cell is structural and functional unit of life."Every organisms are made up of one or more number of cells.Each cell have various organelles that perform specific functions.What is cell membrane?"It is the outer layer of cell that separates interior of the cells to their surroundings."It is thin and flexible.Cell membrane is composed of bilipid layer in which proteins are embedded on it.It act as a semi-permeable membrane that only only specific molecules to pass through it.Hence, the thin and elastic nature of jump rope could be used to model the cell membrane of a plant cell.
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In the presence of lidocaine, the action potential was NOT affected at R1 because _______. In the presence of lidocaine, the action potential was NOT affected at R1 because _______. lidocaine doesn't have an effect on the generation of action potentials lidocaine was applied upstream of R1 lidocaine was applied downstream of R1 there are no voltage-gated sodium channels to be affected
Answer:
In the presence of lidocaine, the action potential was NOT affected at R1 because lidocaine was applied downstream of R1
Explanation:
Lidocaine is an anesthetic that has the power to neutralize neuromal membranes. This anesthetic power allows the ionic fluxes capable of stimulating impulses to be diffused and this allows a dormancy to be achieved. However, when lidocaine is applied downstream to a molecule or structure, the action potential of that structure or molecule is not affected and it may continue to receive impulses.
What data can we collect on natural hazards?
Which of the following does not contribute to the formation of greenhouse gases?
A) Decomposition of waste in landfills
B) Burning of fossil fuels
C) Melting of the permafrost
D) Photosynthesis in plants
Answer:
No B is a good answer.
Explanation:
Burning of fossil fuels does not contribute to the formation of greenhouse gases.
Adaption of natural selection and evolution
Answer:
The very bottom
Explanation:
Only animals who survive are the ones who can pass down their genes,
What goes in the center of a Lewis Dot Structure?
A. nucleus
B. element name
C. element symbol
Answer:
C. element symbol
Explanation:
The element symbol goes in the center of a Lewis Dot Structure.
Answer:
C. element symbol
Explanation:
The central atom is usually the atom with the lowest subscript in the molecular formula and the atom that can form the most bonds. If all of the atoms usually form the same number of bonds, the least electronegative atom is usually the central atom.
Identify the indentation that is inferiorolateral to the auricular surface. Identify the indentation that is inferiorolateral to the auricular surface. Greater sciatic notch Pubic tubercle Acetabulum Ischial spine
Answer:
The correct answer is - Greater sciatic notch
Explanation:
The greater sciatic notch is a notch in one of the pelvic bones n the human called the ilium. It is located between the posterior inferior iliac spine, and the auricular surface or ischial spine. It is the passageway through the pelvis into the thigh and posterior side.
Answer:
Greater sciatic notch
Explanation:
The greater sciatic notch allow the sciatic nerve to enter the thigh
Question 3 of 10
How does each new cell formed by cell division differ from the mature cell?
A. Each new cell has a larger ratio of surface area to volume.
B. Each new cell has fewer chromosomes in its nucleus.
C. Each new dan has different information in its nucleus.
dan
D. Each new cell has a smaller ratio of surface area to volume.
SUBMIT
Answer:
B
Explanation:
it has fewer chromosomes then the mature ones
What trait is an adaptation that has evolved for life in a desert biome?
Thick fur coats
Single births
Gills
Storing water
Answer:
Storing water
Explanation:
Easy there isn't enough water in the desert since it doesn't rain enough
The ovary develops into the fruit if pollinated.
A. True
B. False
Answer:
A. True
Explanation:
The ovary surrounding the ovules develops into a fruit.
These blood vessels carry waste products, such as carbon dioxide to the heart
A)Artery
B)Vein
C)Capillary
D)Plasma
Answer:
vein is carry co2
b) vein is your answer
Can anybody help me with this!
calculate how much protein is contained in three sausages. Show all working
Answer:
14gm
Explanation:
14gm
The amount of protein contained in three ( 3 ) sausages is approximately 15 grams
Sausages are made from meat which includes ;
pork, beef and poultry.
The amount of protein present in a sausage depends on the type of sausage and weight of the sausage.
Hence for the purpose of this question I will base my calculation on a 1 -ounce pork sausage
A single 1 - ounce pork sausage contains about 5 grams of proteins
∴ Three sausages = 3 * 5 = 15 grams of protein
Therefore the amount of protein contained in three sausages = 15 grams
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The cell's ability to maintain the correct amount of water and minerals in it is an example of ____.
Answer:
homeostasis
Explanation:
homoeostasis regulates the body environment to normal, like any aspect of the body like this that you're asking about...this process that is called osmoregulation and it is an example of homeostasis
How does reducing gene flow cause speciation?
A. it increases fossilization
B. it creates patches of favorable habit
C. it increases gene flow
D. it allows populations to become genetically different
Gene flow cause speciation because it allows populations to become genetically different.
What is speciation?Speciation is the process of creating a new plant or animal species. When a group within a species separates from other members of the species and develops its own distinct feature known as speciation.what is gene flow?Gene flow refers to the movement of alleles (genes) from one population to another across geographical boundaries. Gene flow is the movement of genes into and out of a population.Individual creatures may migrate to new populations and reproduce, or gametes may move .for example as a consequence of pollen transfer among plants.How does gene flow affect speciation?By recombining the gene pools of the groups and thereby mending the emerging differences in genetic variation that would have led to full speciation.
The establishment of daughter species, gene flow strongly opposes speciation.
Hence, the correct option is D
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A green plant is exposed to bright light for 72 hours. What do you predict will occur if the light intensity around the plant is reduced during the next 72 hours?
A. The rate at which oxygen is used by the plant will decrease
B. Photosynthesis will stop completely and be replaced by fermentation.
C. Glucose production inside the plant's leaf cells will increase.
D. The rate at which oxygen is released from the plant will decrease.
Answer:
the rate at which oxygen is released by the plant will decreaseexplain how the human body regulate the blood glucose levels after a breakfast of maize meal porridge
Answer:
Normally, blood glucose levels increase after you eat a meal. When blood sugar rises, cells in the pancreas release insulin, causing the body to absorb glucose from the blood and lowering the blood sugar level to normal.
Explanation:
Fossil fuels deep in the earth act as a carbon reservoir, storing it for millions 1 point
of years. What happens when humans extract and burn fossil fuels for
energy?
Carbon Dioxide levels increase in the atmosphere
Oxygen levels in the atmosphere decrease
There is more oxygen in the atmosphere
Carbon Dioxide is removed from the atmosphere
What elements make up most of the earth's.
Answer: By burning fossil fuels, people are changing the carbon cycle with far-reaching ... The rest is in the ocean, atmosphere, plants, soil, and fossil fuels. ... Graph of oxygen isotope ratios in the deep ocean for the past 67 million years. ... The increased temperature results in higher evaporation rates and a wetter ...
Explanation:
Two heterozygous tall plants (Tt) are crossed. What are the expected genotypes and percentages of this cross?
1. TT 50%; Tt 50%
2. TT 25%; tt 75%
3. Tt 25%; TT 50%; tt 25%
4. TT 25%; Tt 50%; tt 25%
Answer:
4) TT 25%, Tt 50%, tt 25%
Explanation:
Two Tt plants cross. Set the Punnett square:
[tex]\left[\begin{array}{ccc}&T&t\\T&TT&Tt\\t&Tt&tt\end{array}\right][/tex]
Based on the given Punnett Square, your expected answer choice will be:
TT 25%, Tt 50%, tt 25%, or 4).
~
Don’t mind that I clicked an answer, I accidentally did it)
Answer:
single-celled organisms
Explanation:
Which organelle is labeled l?
Answer:
A
Explanation:
Write a report based on a news article wherein a court wrongfully convicted an individual of a crime, but the person was later released based on DNA evidence. Discuss how science and technology helped in this case
Since the U.S. has so many resources, why do we trade with other countries?
A Lack of workers
B Comparative advantage
C Create goodwill
D Too many products
Answer:
Since the U.S. has so many resources why do we trade with other countries? Comparative advantage. Create goodwill. Lack of workers. Too many products.
Explanation:
LACK OR WORKERS
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What usually accompanies a cold spell in Minnesota?
O A. The polar jet stream moves south.
O B. The polar jet stream moves north.
O C. The horse latitudes moves north.
O D. The doldrums moves south.
The polar jet stream moves south is accompanies a cold spell in Minnesota. Therefore, option (A) is correct.
What do you mean by polar jet stream?Polar jet stream is a belt of strong upper-level breezes that sits on the polar front. The winds generally move in a westerly direction in midlatitudes and are strongest at the tropopause, the upper boundary of the troposphere.
The convergence of cold air masses coming down from the Arctic and warm air coming up from the tropics creates the jet. Profound box and soak edges arise as the denser virus air sinks and redirects warm air locales north, giving the fly stream its wavy appearance.
The northern polar jet stream is the most important jet stream for aviation and weather forecasting on Earth because it is much stronger and lower in altitude than the subtropical jet streams.
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