The organisms living in an aquatic environment have to undergo osmoregulation and survive in a hypotonic environment. The organisms such as paramecium, protists, and unicellular algae have contractile vacuoles.
The functions of the contractile vacuoles include:
1. Contractile vacuoles help in the osmoregulation, such that the movement of solute particles inside and outside of the cells.
2. The contractile vacuoles are also required to remove excess water from the organisms.
3. The vacuoles contract to discharge the fluid for the survival of organisms like paramecium and algae.
Thus, the contractile vacuoles contract to allow the organisms to survive in a hypotonic environment.
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What is photosynthesis?
Answer:
photosynthesis is the process in which plants convert light energy, carbon dioxide, and water to create glucose which it uses to feed itself and oxygen which is expelled into our atmosphere helping us breathe
Explanation:
If 2n=46 for a particular cell, then the chromosome number in each cell after meiosis would be
a. 92
b. 46
c. 23
d. 6
e. none of the above
Answer:
C. 23
Explanation:
In humans (2n = 46), who have 23 pairs of chromosomes, the number of chromosomes is reduced by half at the end of meiosis I (n = 23).
Identify the muscle(s) that is/are primarily responsible for holding the head of the humerus in the glenoid cavity.
what specific type of tissue makes up the intervertebral discs
Answer:Fibrocartilage
Explanation:
4.
Which process produces the greatest amount of ATP per glucose molecule metabolized?
respiration
c. fermentation
b. digestion
d. photosynthesis
A. Respiration
Explanation:
Explanation: The electron transport chain generates the most ATP out of all three major phases of cellular respiration. Glycolysis produces a net of 2 ATP per molecule of glucose.
Answer:
a
Explanation:
During a biology lab you are asked to look at an animal and
a bacterial cell under a microscope and document what
components they both share in common. Which of the
following is NOT a feature that all cells have in common?
1.Dna
2.cell membrane
3.cell wall
4.cytoplasm
Answer:
2. Cell wall
Explanation:
animals and some other organisms don't have cell walls, unlike plants (which has cellulose cell walls), bacteria (which has murein or peptidoglycan cell walls), etc.
Asexual and sexual reproduction in animals is similar in that both
a. increase genetic variation in offspring.
b. produce offspring that have double the amount of genetic information of the parent(s).
c. rely on parental chromosomes to mix in new ways.
d. generate offspring that carry parental genes.
Answer:
d generate offspring that carry parental genes
at the most basic level, schizophrenia is best conceptualized as a/an ____________ disorder.
At the most basic level, schizophrenia is best conceptualized as a neurodevelopmental disorder.
It is characterized by a complex interplay of genetic, environmental, and neurobiological factors that disrupt brain development and function during early stages of life.
While the exact causes are not fully understood, research suggests that abnormalities in brain structure, neurotransmitter imbalances, and genetic predisposition contribute to the onset of schizophrenia.
These disruptions may affect cognitive processes, emotional regulation, and perception, leading to symptoms like delusions, hallucinations, disorganized thinking, and social withdrawal.
Understanding schizophrenia as a neurodevelopmental disorder highlights the importance of early detection, intervention, and holistic treatment approaches to improve outcomes and quality of life for individuals affected by this condition.
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Which of the following structures of the respiratory system helps to prevent choking?
Answer:
b. is correct Epiglottis
Explanation: post protected
. A kidney cell is an example of which type of cell?
a. somatic cell
b. germ cell
c. sex cell
d. haploid cell
Answer:
A. Somatic cell
Have a good day!!!
Explanation:
water quality specialist in South Dakota notices local streams in a region have high salinity levels. The inland streams are not connected to any wetland, only a local watershed from a mountain region. Map of the Midwest United States of America. From the top left, the state of North Dakota, South Dakota below it, Nebraska below that, and Kansas below Nebraska. From the top center, Minnesota, Iowa is below it, and Missouri is below Iowa. From the top right, Michigan, Wisconsin below it, and Illinois is below Wisconsin. Next to Illinois, below Lake Michigan, is Indiana. Next to Indiana, and below Lake Erie, is Ohio.. Which of the following is a possible source of the extra salt in the stream? Ocean upstream Lake downstream Nearby fracking Pump jack drills
A possible source of additional salt in the stream is the influence of the ocean upstream.
The map shows the course of the Mississippi River through the states of Minnesota, Wisconsin, Iowa, Illinois, and Missouri and its mouth in the Ocean.
According to this information, the salinity detected in South Dakota of the Mississippi River can be caused by the influence of the salty water of the Ocean against the current of the river.
Note: This question is incomplete because the map is missing. Here is the map.
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Answer: C. Nearby Franking
Explanation: Someone in the comments was helpful enough to say it but couldn't post it so yea, just passing it on but its right so thanks to them
In angiosperm double fertilization, one sperm nucleus fertilizes the ______ to form the diploid ______, and a second sperm nucleus fuses with the two nuclei in the central cell of the embryo sac.
Answer:
one sperm fertilizes the egg cell, forming a diploid zygote
Explanation:
Hope it helped
please mark as brainliest
In angiosperm double fertilization, one sperm nucleus fertilizes the egg to form the diploid zygote, and a second sperm nucleus fuses with the two nuclei in the central cell of the embryo sac.
The egg is the female gamete in an angiosperm. It is a haploid cell that contains one set of chromosomes. The zygote is the fertilized egg. It is a diploid cell that contains two sets of chromosomes. The zygote will eventually develop into an embryo. The central cell is a cell in the embryo sac that contains two haploid nuclei.
Double fertilization is a unique feature of angiosperms. It is a type of fertilization in which two sperm nuclei fertilize two different cells in the embryo sac. The first sperm nucleus fertilizes the egg to form the zygote. The second sperm nucleus fuses with the two nuclei in the central cell to form a triploid cell. This triploid cell will eventually develop into the endosperm, which is a food reserve for the developing embryo.
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Why does each offspring get 2 alleles for a trait?
whats one difference between the ways aristotle and theophrastos classified plants?
Answer:
Aristotle classified animals based on where they lived, while Linnaeus instead used an animal's morphology, evidence from both fossil records and living organisms.
)
Check out the areas of low pressure on the weather map. Which of these is NOT characteristic of low pressure areas?
A) Storms are likely
B) Weather is cooler and drier.
Weather is wetter and warmer.
D) Air is less dense and the formation of clouds more likely.
Answer: B
Low pressure tends to bring storms with it, form clouds and allow for the weather to be wetter and warmer. High pressure bring cooler and drier weather.
Describe why enzymes are important in all living organisms?
Answer:
Enzymes are important because they make the chemical reactions in cells happen quickly.
Enzymes, by speeding up biological reactions, ensure that all necessary activities in a cell can take place simultaneously and prevent one particular activity from overtaking the entire cell or organism. This is possible because enzymes allow chemicals to react more specifically with only certain substances rather than reacting indiscriminately with any number of different substances within cells.
The most famous example of this enzyme effect is when stomach acid reacts with pepsin that turns food into a liquid. The body then uses this liquid for absorption through the intestines where nutrients are then used throughout the body. It's important for people to have enough enzymes in order to digest their food fully however if
Explanation:
Why did you leave me when I needed you the most it hurts me
Lol jk
points for yall hehe
Answer:
I need to pee and in tired of this school
Answer:
I'm not worth it
Explanation:
I am not the person who can heal when you're hurt or in pain.
What is the probability that a couple will have a type A child if the mother has Type
A blood and is heterozygous for the trait and the father has type AB blood?
Answer:
50%
Explanation:
To solve this, we'd need to use a Punnett square. Since the mother has a heterozygous genotype and has an A-blood phenotype, we know that she is AO and the father is AB.
A B
A AA AB
O AO BO
According to this, the four possible blood types, with equal probability are: AA, AB, AO, and BO. Both AA and AO genes will result in type-A blood, since A is dominant over O. Therefore, there is a 2 in 4 (or 1 in 2, or 50%) chance of the child having type-A blood.
the vestibular system relies on hair cells that are similar in structure and function to those found in the auditory system.
Answer:
There are five vestibular receptor organs in the inner ear: the utricle, the saccule, and three semicircular canals.
Explanation:
PLEASE HELP!
A. What kind of weather is associated with a low-pressure area?
B. What happens to the air of the low pressure areas that leads to this type of weather?
Answer:
A.) Low-pressure systems are usually associated with clouds and precipitation that minimize temperature changes throughout the day
B.) The slightly inward moving air in low pressure causes air to converge and since it can’t move downward because of the surface, the air is forced upward, leading to condensation and precipitation
Explanation:
The most common starting pathway for the breakdown of sugars is ___________________. a. respiration b. fermentation c. glycolysis d. anabolism
Answer:
respiration
Explanation:
in the past century the concentration of carbon dioxide in the atmosphere has been increasing steadily describe an effect this might have on earths climate
Answer:
That is causing global warming. It is causing the sea level to rise and it is also making hurricane stronger.
Explanation:
what other type of cell besides plant has a cell wall
bacteria , fungi and algea
The principle that we encode information together with its context is known as encoding a. transcription. b. priming. c. consolidation. d. specificity.
please help I'm stuck!!!
Answer:
b is the answer predator
Help me with this please
Answer:
4.Red
5. gamma waves
5. Gamma waves
Explanation:
if you look at the visible light they label all the colors for you red is at the end closest to increasing wavelength
Plant and animal cells have a lot in common. Compare and contrast the two cells. Select the features that you find in BOTH types of cells. Question 17 options: membrane, nucleus, cytoplasm, membrane, chloroplasts, nucleus cell wall, cell membrane, nucleus cell membrane and cell wall, chloroplasts.
Answer and explanation:
Animal cells do not have cell walls or chloroplasts but both plant and animal cells contains nucleus and cell membrane.
Does human intervention affect small-scale ecosystems differently than large-scale ecosystems?
two pieces of information along with their sources
Answer: No
According to BBC, Human activities such as harvesting plants and hunting animals can unbalance the flows and cycles within those [SMALL SCALE ECOSYSTEMS ]ecosystems. Tree-felling may lead to soil erosion and a loss of habitat. Lack of shade and moisture in the soil can result in desertification.
According to National Geographic, Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
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how will climate change affect the habitat distribution for the baltimore oriole?
Climate change has a great effect on the habitat distribution of Baltimore orioles bird.
Climate change will adversely affected the habitat distribution of Baltimore orioles because climate change causes heat waves, wildfires and intense downpours which is harmful for Baltimore orioles.
The climate changes will limit the populations of ranges of Baltimore oriole as well as changes the habitat. These Baltimore orioles moved to other places where the climate is favourable so we can conclude that climate change has a great effect on the habitat distribution of Baltimore orioles bird.
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Which statement is true,please anwser i put more points
A, Individual genes are made of chromosomes
B, Most genes are made up of more than one DNA molecule
C, Some inherited traits influence more than one gene
D, Inherited traits develop because of the instructions in the gene
Answer:
I think B is right It can be wrong too
Answer: (D) Inherited traits influence more than one gene.
Explanation: