Damage to which of the following structures is most likely to affect the oxygen production of a plant?
A. The electron transport chain
B. Photosystem II
C. The hydrogen ion pump
D. Photosystem 1
Please Help Next to Mark’s house, there is a large meadow with small plants and no trees. Behind the meadow is a dense forest with large trees. On a hot summer day, Mark recorded the temperatures in the meadow and in the middle of the forest. Based on the results of your experiment, which place was cooler and why?
Answer:
The meadow with small plants and no tree will be hotter than the dense forest with large trees.
Explanation:
The large trees will serve as shade from direct sunlight
Explain how a dog meets all of the characteristics of life
How does the stratification of the earth make plate tectonics possible?
Answer:
Explanation:
Convention currents causes magma to rise and fall therefore it moving the earths plates in different directions
Identify three of the seven common neurotransmitters and the functions of each. Then describe what each neurotransmitters controls or regulates in the body.
Answer:
Dopamine, Acetylcholine, Serotonin
Explanation:
Answer:
One common neurotransmitter is dopamine. It is an excitatory neurotransmitter that is involved in movement, learning, attention, and emotion. GABA is another common neurotransmitter, and it is a major inhibitory neurotransmitter. It is involved in anxiety, arousal, and sleep. Glutamate is a major excitatory neurotransmitter, and it is involved in learning and memory.
Acetylcholine: Serves as a messenger between each motor neuron and skeletal muscles, which accounts for its role in helping to control skeletal muscles.
Serotonin: Affects sleep, hunger, mood, and arousal; connected to aggression and abnormal behavior
Norepinephrine: Helps control arousal and alertness; helps in regulating mood
Endorphins: Major excitatory neurotransmitter; linked to memory and learning processes; released in response to pain and intense exercise
Explanation:
:) have a good day
Which of the following types of training would most likely be required for a forest technician?
A. genetic analysis
B.animal physiology
C.plant life cycles
D.Menghting
Answer:
C. plant life cycles
Explanation:
Answer: The correct answer is C.plant life cycles
Explanation: This answer has been confirmed correct.
Greenhouse gases absorb radiation from the sun and read it back to the atmosphere which helps to maintain a normal range of what on earth?
Answer:
Heat
Explanation:
Solar energy absorbed at Earth's surface is radiated back into the atmosphere as heat. They spread the heat back to the land and the ocean.
why is syndrome not labeled as a genetic disease?
Because there’s not mutations
Explanation:
If there is no mutation it’s not labeled as a genetic disease
Answer: because there isn’t mutations
Explanation:
Took the test
1
What occurs when the moon casts its shadow on Earth?
lunar eclipse
sidereal month
synodic month
solar eclipse
Answer:
Solar eclipse
Explanation:
When the
When the moon casts its shadow on Earth, a lunar eclipse occurs.
The last option is correct.
How do we explain?A lunar eclipse happens when the Earth's shadow falls on the moon. This can only happen during a full moon, when the sun, Earth, and moon are perfectly aligned.
The Earth's shadow has two parts: the umbra and the penumbra. The umbra is the darkest part of the shadow, and it is where the moon will completely disappear. The penumbra is the lighter part of the shadow, and it is where the moon will only partially disappear.
Therefore, the last option is correct.
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Animals cells have which of the following characteristics? Select all that apply
Answer:
Animal cells have the following characteristics: no cell wall, no large vacuole, only small ones, cleavage furrows.
Explanation:
hope this helps
What macromolecules make up most of the structure that is shown?
A. carbohydrates
B. lipids
C. nucleic acids
D. proteins
Answer: B. Lipids
Explanation:
The macromolecules that make up most of the structure that is shown is lipids.
What are lipids?Lipids are organic compounds that consists of fatty acids or their derivatives and are insoluble in water but soluble in organic solvents.
From the given image we can conclude that, the macromolecules that make up most of the structure that is shown is lipids.
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PLEASE ANSWER ASAP!
How does the tidal force affect the water and beaches on Earth?
Answer:
it makes the water level go up and down
What kind of molecule is formed when many disaccharide molecules are combined?
A. Protein
B. Cellulose
C. Lipid
D. Monosaccharide
Answer: B. Cellulose
A combination of many disaccharides will yield a polysaccharaide, such as starch or cellulose
The picture shows a contractile vacuole of a unicellular freshwater organism. The contractile vacuole regulates the flow of water into and out of the cell in an aquatic environement. What condtions cause the contracile vacuole to fill with water? Your answer: The concentration of water is greater outside the cell than inside the cell. The concentration of water inside the cell is the same as the concentration outside the cell. The temperature of water in the vacuole is higher than the temperature of its environment.
Answer:
The concentration of water is greater outside the cell than inside the cell.
Explanation:
In living cells, water moves by Osmosis across the cell membrane, which acts as the semi-permeable membrane. Osmosis is the movement of water molecules from a region of high water concentration (low solute concentration) to a region of low water concentration (high solute concentration).
The contractile vacuole of this freshwater organism helps regulate water intake and exit by storing excess water. According to osmotic flow, water will flow into the organism via its cell membrane (semi-permeable membrane) because the concentration of water outside the cell is high than inside the cell, hence, this causes an osmotic gradient causing water to flow into the cell. The water that flows into the cell is stored in the Contractile vacuole.
In the triglyceride molecule shown below what are the three molecules
attached to the glycerol molecule?
A Glycolic acids
B. Fatty acids
C. Nucleic acids
Amino acios
Answer:B. Fatty acids
Explanation:
Who holds the public property rights? A. individuals B. government C. businesses D. local communities
Answer:
B. Government
Explanation:
Kangaroos are mammals that lack a placenta. Therefore, they must have an alternate way of supplying the developing embryo with
Answer: yolk sac
explanation:
the placenta does not develop for a long time so the alternate way of supplying the developing embryo is through the yolk sac which the embryo can receive nutrients and respiratory gas exchange through which the placenta will be formed later.
Kangaroos are mammals that lack a placenta; therefore, they must have an alternate way of supplying the developing embryo with nutrients, as these should be passed from the mother to the embryo during the time of pregnancy.
What is the function of the placenta in pregnancy?The placenta is an organ that develops during pregnancy to provide nourishment to the growing fetus and to remove waste products from the baby's blood and is attached to the wall of the uterus and connected to the baby by the umbilical cord, it is responsible for producing hormones that maintain the pregnancy, such as progesterone, which helps to keep the lining of the uterus thick, also produces human placental lactogen, which helps stimulate the mother's mammary glands to produce milk.
Hence, kangaroos are mammals that lack a placenta; therefore, they must have an alternate way of supplying the developing embryo with nutrients, as these should be passed from the mother to the embryo during the time of pregnancy.
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The question is incomplete; the complete question is below.
Kangaroos are mammals that lack a placenta. Therefore, they must have an alternate way of supplying the developing embryo with
A. Carbon dioxide
B. Enzymes
C. Nutrients
VERY EASY QUESTION. WILL MARK BRAINLIEST When is the peak hurricane season for the Atlantic Ocean Basin, and why do hurricanes peak during this time? August to October, because ocean temperatures are the warmest around the equator at that time August to October, because the atmosphere is the driest around the equator at that time September to December, because the atmosphere is the driest around the equator at that time September to December, because ocean temperatures are the warmest around the equator at that time
Explanation:
When is the peak hurricane season for the Atlantic Ocean Basin?
The official hurricane season for the Atlantic Ocean Basin is from 1 June to 30 November.
Why do hurricanes peak during this time?
Although the Atlantic hurricane season officially began on June 1st, a roughly eight-week period that is often the most active and dangerous time for tropical cyclone activity.
Is a benign tumor considered to be cancer?
Answer:
no. (more info below)
Explanation:
a benign tumor does not interfere or invade nearby tissue or spread to other parts of the body the way cancer can. a tumor is simply an abnormal growth of cells that serves no purpose
hope this helped!
Questionnaire 15 of 20 :
Select the best answer for the question.
15. What term refers to the point below the surface where an earthquake begins?
O A. Seismic zone
O B. Hypocenter
O C. Epicenter
O D. Seismogenic zone
Answer:
In my opinion I think its B. Hypocenter
Sorry if wrong
The Hardy-Weinberg equation shows the frequencies of 100 percent of the alleles for a specific gene in a population.
If biologists can show that either p or q is changing over a period of time, what is occurring in the population?
The population is evolving.
The population is decreasing in size.
The population is stabilizing.
The population is not evolving.
Answer: I believe that the answer is that the population is evolving
Explanation: I hope that this helps
In Hardy-Weinberg equation, If biologists can show that either p or q is changing over a period of time, the population is decreasing in size.
What do you mean by Hardy-Weinberg equilibrium?The Hardy–Weinberg principle, also known as the Hardy–Weinberg equilibrium, model, theorem, or law, states that allele and genotype frequencies in a population will remain constant from generation to generation.
The Hardy-Weinberg equilibrium is a principle stating that the genetic variation in a population will remain constant from one generation to the next in the absence of disturbing factors.
For populations in the Hardy-Weinberg equilibrium, the equation connects allele frequencies to genotype frequencies. This equation allows us to compare a population's genetic structure in reality over time to the expected genetic structure.
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what would be the most likely effect if the side chain of an amino acid group was unstable to vary its structure
second option
Explanation: my brain
_______ recycle dead plants and animals by turning them into minerals and nutrients for the soil.
A.
Green plants
B.
Decomposers
C.
Predators
D.
Herbivores
What will a hypothesis become if it is supported by repeated
experimentation?
A. A scientific theory
OB. A conclusion
C. A prediction
D. A control
Answer:
I would go with a conclusion because the study is repeated.
Explanation:
Describe what would happen to the abiotic factors within the ecosystem if the bacteria were eradicated from the ecosystem.
Answer: If a abiotic factor was to be removed from the ecosystem it can affect the entire ecosystem and all of the organisms that live there
Explanation:
Abiotic means which does not have life for example air, water, soil. Absence of bacteria can influence the abiotic factors in adverse ways.
What are abiotic factors?Abiotic components plays a major role in ecosystem, while biotic components are dependent on abiotic factors for their survival.
Both abiotic and biotic factors are related to each other, if any of these factors changes, it will adversely affect the ecosystem.
For instance, if bacteria were eradicated from ecosystem, it will affect the functioning of abiotic components which can result in increased pH, decreased decomposition etc.
Thus, the abiotic factors will get affected adversely if bacteria were eradicated from the ecosystem.
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PLLEASE HELP ME PART 2!! IM GIVING THE REST OF ALL MY POINTS!! :(
Answer 1:
Both A & B
Answer 2:
5
PLS MARK AS THE BRAINLIEST!!!
Nvm I put an answer here I messed up lol my bad (edited)
Why do elderly persons often develop bowed back and appear to lose height?
Answer:
When we get older, we experience a loss of bone density and our bones begin to thin and become weaker, which results in osteoporosis, causing us to develop bowed backs and appear to lose height.
We lose bone density as we age, and our bones start to thin and weaken. This leads to osteoporosis, which makes us appear smaller and causes us to acquire bowed backs.
What is osteoporosis ?Osteoarthritis is an osseous disease that arises when the body makes either too little bone or loses too much bone. Like a result, bones deteriorate and are more prone to breaking from a trip or, in extreme circumstances, from tiny bumps or sneezes. Under a magnification, healthy bone resembles a honeycomb; the term "osteoporosis" refers to porous bone.
What is treatment of osteoporosis?Typically, bisphosphonates are used initially for treating osteoporosis. Among these is the when first tablet Alendronate (Fosamax). Weekly or monthly pills of was also (Actonel). Ibandronate (Boniva), a tablet taken every month or an IV infusion given every 3 years. The most accurate test for identifying osteoporosis and determining the risk of fracture is commonly believed to be bone density testing by DXA now at hip and spine. Some persons get peripheral DXAs, which assess the thumb and heel bone densities.
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What is thought to be the main driving force behind plate movements?
A. Hot plumes
B. Simple convection cycles in the mantle
C. Slab-pull
D. Slab-push
Answer: b
Explanation: the convection currents in the mantle are what cause the movement of the plates
Answer:
slab pull
Explanation:
VERY EASY QUESTION. WILL MARK BRAINLIEST
The Ring of Fire is a string of volcanic sites in the Pacific Ocean that stretches between the Americas, Asia, and Australia. What is the most likely cause of this volcanic activity?
The Earth’s core pushes through tectonic plates here
There is a high number of convergent tectonic plate boundaries
The melting of tectonic plates by particularly hot parts of the Earth's crust
The explosion of energy as a result of a collision between two nearby tectonic plates
Answer:
The melting of tectonic plates by particularly hot parts of the Earth's crust
Explanation:
Ocean ocean convergence produces
Answer:
Ocean-ocean convergences produce deep sea trenches.
Explanation:
