Paramecium protozoan possess cilia, (a locomotory organelle) which is absent in the cells of a strawberry plant.
What are Locomotory organelles?Locomotion is the movement of organisms from one place to another. There are several ways in which organisms can move. The anatomical structures that animals use for locomotion, such as cilia, legs, wings, arms, fins, and tails, are sometimes called locomotory organs or motor structures.
Locomotive organelles found in protists include:
Cilia are short cell-like hair-like organelles that extend from the cell surface. The ciliated protozoan is Paramecium. Flagella are long, thin, filamentous organelles present on the surface of cells.Pseudopodia are "false feet" that emerge from an organism's body when needed. Example: AmoebaTo know more about protists visit:
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How does osmosis occur. Explain.
Answer:
Osmosis is the movement of water from areas of high concentrations to lower concentrations across a semi permeable membrane. It occurs over these membranes in cells of the body alllowing water to move into and out of them. Due to this nature the cell membrane is described as being partially (or selectively) permeable. Osmosis is a special kind of diffusion involving water molecules. It occurs when two solutions are separated by a partially permeable membrane.
Explanation:
Answer:
Osmosis occurs when you have membrane with unequal concentrations of water molecules on either side. Water molecules will diffuse across the membrane until equilibrium is reached.
Explanation:
Nearly all stimuli destined for the cerebral cortex must first pass through the ________.
Nearly all stimuli destined for the cerebral cortex must first pass through the thalamus.
The outer layer of the brain is the cerebral cortex. Its surface has many folds, giving it a rumpled look. The folds are made up of many deep grooves called sulci and raised areas called gyri.
The cerebral cortex is made from 4 lobes: frontal lobe, parietal lobe, temporal lobe, and occipital lobe.
The main function of the cerebrum is to control the voluntary muscle movements of the body. The cerebral cortex is primarily involved in consciousness.
The thalamus is an egg-fashioned shape withinside the middle of the brain. It is known as the relay station for all incoming motor (movement) and sensory information (auditory, gustatory, visual, and tactile (but not olfactory).
The thalamus is a small structure in the brain just above the brainstem, between the cerebral cortex and midbrain, and has extensive neural connections to both. The principal characteristic of the thalamus is to transmit motor and sensory alerts to the cerebral cortex.
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If you crossed flies heterozygous for the cy allele, what phenotypes would you find in the adult f1 generation?.
If you crossed flies heterozygous for the cy allele, the phenotypes would both wild type and curly wings be present in the F1 generation.
It is 1st filial generation obtained by crossing two different parents. The parents are quite distinct: one is homozygous dominant for both traits, and the other is homozygous recessive for both traits. All such offspring show dominant characteristics for both traits.
The F1 generation refers to the first filial generation.
When you're heterozygous for a specific gene, it means you have two different versions of that gene
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Which of the following does not contribute to the rate of weathering?
climate
fossils
rock type
mineral composition
Answer:
It's rock type..............
cell membrane short description
Answer:
All cells have a cell membrane, also known as a plasma membrane, which separates the interior of the cell from the external environment. A semipermeable lipid bilayer makes up the cell membrane. The movement of materials into and out of the cell is controlled by the cell membrane.
Explanation:
organisms, such as algae and bacteria, that drift with ocean currents are known as . group of answer choices benthos organisms none of these nekton plankton biomass previousnext
Organisms, such as algae and bacteria, that drift with ocean currents are known to be Plankton.
So, the correct option is D.
Organisms transported by tides and currents are known as plankton or marine drifters. The word "plankton" is derived from the Greek word meaning "wanderer" or "drifter." If an organism is transported by currents and tides but is unable to swim well enough to resist these forces, it is referred to as plankton.
Numerous aquatic food webs are built on phytoplankton. They provide food for a variety of aquatic animals in a healthy habitat. In that they have chlorophyll and need sunlight to survive and develop, phytoplankton often referred to as microalgae, are like terrestrial plants in this regard. Drift is the name given to the slow-moving ocean current. They are impacted by wind belts and atmospheric circulation.
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Plants are adapted to life on land. Can you identify the function of each adaptation? Pollen, Egg, Vascular System, Cuticle,
Leaves, Lignin, Shoot System
The requirements of life on land over time fostered the development of plants that were more tolerant to the sun's withering rays, better at conserving water, as well as able to reproduce without it.
A water-repellent integument, stomata to control water evaporation, specialized cells that can provide strength and rigidity against gravity, structure and firm to collect sunlight, variation of haploid as well as diploid generations, as well as sexual organs are just a few of the structures that plants have developed to adjust to life on land.
An important part of reducing the unavoidable effects of climate change at local as well as regional levels is the adaptability of land-use patterns; one example would be the adaptation of watershed land-use patterns to lessen the effects of climate change on such a region's hydrology.
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what major component of mucins directly provides a polyanionic surface to which defensins and siga bind?
A polyanionic surfaces Sialic acid is directly provided by mucins' main constituent.
What makes DNA a polyanion?RNA and DNA are both polyanions. They are simply polymer of negatively charged molecules, to put it fancy. This is due to the hydroxyl group in the sugar-phosphate backbone, which typically carry a charge around negative three.
Is DNA digitalizable?The method of transferring and decoding binary code to and from synthetic DNA strands is known as DNA digital data storage. Although DNA has a huge amount of potential as a storage device due to its high density, its use in practical applications is now greatly restricted due to its exorbitant cost and extremely sluggish read and write speeds.
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HELPPP PLS ASAP!! 2 ATTACHED 50 POINTS!
PS.have a lovely day
I am having difficulties so I screen shotted it.
Hemizygosity would most likely be associated with which of the following?
a. Sex linked inheritance
b. Incomplete Dominance
c. Trihybrid crosses
d. Sex inherited inheritance
e. Dihybrid crosses
Answer:
A. Sex linked inheritance
Explanation:
what is the name of the hormone producing cells in the middle of this endocrine organ, indicated by the arrow?
Answer:
Pituitary. The pituitary gland is located below the brain. Usually no larger than a pea, the gland controls many functions of the other endocrine glands.
Explanation:
You didnt include the image with the arrow so im not sure
PLEASE URGENT !!
Which level of ecological organization is each statement describing?
1. One fish
2. A school of fish
3. All of the living organisms in a pond
4. All of the living and non living things in a pond
5. All of the living and non-living things that interact in the same area
6. One single living thing
7. All of the different populations that live in the same area
8. A group of organisms of the same species that live in the same area
9. All parts of earth that have living organisms
Answer options:
A. Population
B. Community
C. Biosphere
D. Ecosystem
E.Organism
The level of ecological organization each statement describes is like below.
A. Population: All of the living and non-living things that interact in the same area.
B. Community: All of the different populations that live in the same area.
C. Biosphere: One fish; A school of fish and All of the living organisms in a pond.
D. Ecosystem: All of the living and nonliving things in a pond; One single living thing and All parts of the earth that have living organisms.
E.Organism: A group of organisms of the same species that live in the same area.
In order to comprehend the circumstances surrounding the emergence, development, and demise of organizations, organizational ecology makes use of ideas from biology, economics, and sociology as well as statistical analysis.
Researchers in the field of ecology focus on five major levels: organism, population, community, ecosystem, and biosphere. These levels are sometimes studied separately and other times they overlap.
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the frequency of crossing over between any two linked genes will be which of the following? a. proportional to the distance between them b. higher if they are recessive c. higher if they are dominant d. the same as if they were not linked
Any two connected genes will cross over more frequently in proportion to their distance from one another.
What is the highest frequency of recombination between two genes in terms of percentage?Therefore, the maximum recombination frequency that can be seen is 50%, which is a sign of either loci on distinct chromosomes or loci that are far distant from one another on the same chromosome.
Is recombination always 50% of the time?The frequency of recombination is particularly low when genes on a chromosome are near to one another. Recombination occurs 50% of the time when genes are spread out across two or more chromosomes.
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which part of the flower is labeled with an x
Answer:
Ovary
Explanation:
The ovary is a pair of female type glands in which the eggs start form and the female hormone's estrogen and progesterone are made produced.
" I hoped I help you : - ) "
An organism’s traits are determined by the specific combination of inherited _____.
An organism’s traits are determined by the specific combination of inherited genes.
Traits are characteristics or attributes of an organism that might be expressed by means of genes and/or prompted by way of the surroundings. trends include bodily attributes of an organism along with hair color, leaf form, size, and so forth., and behavioral traits, inclusive of birds nesting.
A trait, as related to genetics, is a specific feature of a man or woman. traits may be determined by genes, environmental factors, or by means of an aggregate of each. traits can be qualitative (together with eyeshade) or quantitative (inclusive of peak or blood pressure).
Traits are characteristics or attributes of an organism that might be expressed by genes and/or motivated by the surroundings. traits encompass physical attributes of an organism consisting of hair color, leaf form, size, and many others., and behavioral characteristics, which include chicken nesting.
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why do memory cells respond more strongly during a secondary immune response than naive lymphocytes do in a primary immune response?
Memory cells respond more strongly during a secondary immune response than naive lymphocytes do in a primary immune response they have already gone through clonal selection and proliferation when antigen was encountered previously.
Immunological memory is a completely unique belongings of the immune system as it may “keep” facts approximately a stimulus and may mount an powerful reaction when the stimulus is encountered once more. This response – a secondary immune reaction – is faster and stronger than the primary reaction.
In immunology, a memory B mobile (MBC) is a form of B lymphocyte that forms part of the adaptive immune device. these cells expand inside germinal facilities of the secondary lymphoid organs. reminiscence B cells flow into in the blood flow in a quiescent nation, sometimes for decades.
however, a small part of lengthy-lived T cells nonetheless remains for rapid response upon pathogen re-publicity. This type of cells is called memory T cells. because memory T cells were skilled to apprehend specific antigens, they may cause a quicker and stronger immune reaction after encountering the identical antigen.
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kirima is a native eskimo who lives in one of the coldest regions in the world. what type of adipose tissue is most effective at helping her to maintain warm body temperatures during the coldest parts of the year?
Brown fat, also known as brown adipose tissue, is a type of body fat that keeps you warm in the winter. Brown fat also stores energy and aids in calorie burn.
What is Brown fat ?Brown fat, also known as brown adipose tissue, is a type of body fat that activates when you are cold. Brown fat generates heat, which helps to keep your body temperature stable in cold weather. Brown fat has far more mitochondria than white fat.
Brown fat burns calories by producing heat just before your body begins to shiver. It also aids in the regulation of sugar and fat metabolism.
Turmeric, green tea, chilli peppers, fish oil, resveratrol, berberine, and cinnamon are examples of brown fat foods and compounds that increase activity or induce the browning of white fat. Cold exposure and moderate exercise are two other ways to activate brown fat.
Exposing your body to cool, even cold, temperatures may aid in the recruitment of more brown fat cells. According to some studies, just 2 hours of daily exposure to temperatures around 66°F (19°C) may be enough to turn recruitable fat brown. Consider taking a cold shower or an ice bath.
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the physiological and behavioral effects of amphetamine are most similar to those of:
A parent that is heterozygous for a trait is crossed with a parent that is homozygous dominant for the trait, as shown in the Punnett square.
Which genotype belongs in space B?
PP
Pp
ppp
Ppp
Answer:
Pp
Explanation:)
For the red onion skin experiment, in what cellular structure is red onion pigment stored and you were observing shrinkage?.
There are no chloroplasts in onions since they do not photosynthesize. The central vacuole houses the purple pigment (anthocyanin) that gives red onions their distinctive color, making it simple to identify.
What is Plasmolysis?The goal of this experiment is to better understand plasmolysis and deplasmolysis in red onion cells by observing water transport into and out of cells. Plasmolysis takes place when the environment of epidermal red onion cells is changed by the addition of concentrated sucrose solution, which has less water potential than onion cells. Deplasmolysis is the name given to the process if it is reversed. By putting pure water in the onion cells' exterior environment, deplasmolysis can be seen. The protoplast inside the cell enlarges to its original size during deplasmolysis as water is absorbed into the cells. The mechanisms in different plant cells can be compared using these observations.
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What is the difference between Cell Differentiation and Mitosis?
Answer:
the difference is how to do it and how it's done
Answer:
In order for a cell to differentiate, it will express specific genes. Once a cell has differentiated, it loses its ability to undergo mitosis (see below). Cell division involves the splitting of a cell Mitosis is a form of cell division: this is the process by which cells split to form new cells.
a human cell placed into a hypertonic solution is likely to a human cell placed into a hypertonic solution is likely to lose water by osmosis. burst as a result of osmosis. remain unchanged. increase in size.
A cell placed into a hypertonic solution will shrivel and die by a process known as plasmolysis.
What is hypertonic solution?A hypertonic solution is defined as any external solution with a high solute content but a low water concentration as compared to bodily fluids. The net movement of water in a hypertonic solution is out of the body and into the solution. If the solute concentration outside the cell is lower than the concentration inside the cell, the solution is hypotonic to the cell. If the concentration of solutes in the solution is greater than that inside the cell, the solution is hypertonic to the cell. The influx of water entering the cell causes the cell to increase volume and expand.
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On bacteria how are pilus and flagella different and similar?
Flagella are helical appendages that protrude through the cell membrane and are long and whip-like. Pili are hollow filamentous extensions that emerge from the cell's surface.
Flagella are whip-like and pili are hair-like. Flagella are extended from the interior cell body while pili extend from the cell surface. pili are mostly found in bacteria.
The pilus is a hair-like structure associated with bacterial adhesion and related to bacterial colonization and infection.
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Why is study past climate changes and their impacts such as the impact from the rapid warming event of the perm so important today
Because it enables researchers to examine how climate change has influenced the earth's ecosystem, life on the planet, and the repercussions of the change.
Scientists can plan the future by the climate changes we are currently experiencing by studying past climatic circumstances and their effects. This is why they can examine how it affected living things and how the world reacted and adjusted to them. This approach aids researchers as they search for strategies to better our chances of surviving climate change and slow it down.
As a result, we can say that it allows scientists to look at how climate change has affected the planet's ecosystem, life there, and the effects of the change.
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How does the probability of an earthquake occurring evolve with time, in between two different earthquakes?.
The factors that determine the likelihood of an earthquake are history, strain accumulation, and the rate at which strain accumulates in a rock.
An earthquake occurs when two blocks of earth suddenly slip past each other. The fault or fault plane is the surface where they slip. Earthquakes are caused by sudden movement along fault lines within the Earth. The movement releases accumulated 'elastic strain' energy in the form of seismic waves, which travel through the Earth and cause the ground to shake.
Within the next 30 years, there is a 60% chance of an earthquake measuring magnitude 6.7, a 46% chance of an earthquake measuring magnitude 7, and a 31% chance of an earthquake measuring magnitude 7.5. A transform boundary causes a fault between two lithosphere plates, which slide past one another. This motion neither creates nor destroys crust and will result in earthquakes but no volcanoes.
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Physical evidence that supports the sliding filament theory includes decreased distance between the z-discs during contraction.
a. True
b. False
True - Physical evidence that supports the sliding filament theory includes decreased distance between the z-discs during contraction.Z-discs (also known as Z-disk, Z-line, or Z-band) are the smallest functional units in striated muscle and define the lateral borders of sarcomeres.
Actin filaments from nearby sarcomeres that are crosslinked by actinin molecules make up the core of a Z-disc. A sarcomere is defined as the space between two adjacent Z discs or Z lines; this space is shrunk when a muscle contracts. Only thick filaments are present in the H zone, which is the center of the A zone, and it shortens during contraction.
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This model shows a strand of dna. Identify how information for specifying the traits of an organism is carried in the dna.
The nitrogen bases in DNA serve as a code for the order of amino acids that make up proteins, demonstrating that the DNA contains information describing the characteristics of an organism.
How does DNA carry information for describing an organism's characteristics?DNA stores genetic information in a linear arrangement of nucleotides. The two complementary strands of nucleotides in each DNA molecule are held together to form a double helix by a hydrogen bond between the G-C and A-T base pairs.
What part of DNA influences an organism's traits?Gene. a section of the DNA molecule (a series of nucleotides) responsible for encoding a certain protein and determining an individual's phenotypic characteristics. The fundamental building block of heredity in a living thing is a gene.
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The nurse is working with a patient with diagnosed secondary varicose veins. The nurse suspects which patient history is the cause of the varicose veins?.
The nurse suspects which patient history is the cause of the Tibia fracture.
The tibia, sometimes known as the shinbone, is the most commonly broken long bone in the body. A tibial shaft fracture can occur anywhere along the length of the bone between the knee and the ankle.
A large force is usually necessary for this type of fractured leg to occur. Car accidents, for example, frequently result in tibial shaft fractures. Along with the tibia, the smaller bone in the lower leg (fibula) is frequently shattered.
The sort of fracture that develops is determined by the force that breaks the tibia. Bone fragments can be completely aligned (stable fracture) or not (displaced fracture). The skin around the fracture may be unaffected depending on whether it is open or closed (open fracture).
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which of the following factors does not affect the daily urine volume? the environmental temperature the respiratory rate the relative humidity the body temperature all of these factors affect the daily urine volume.
A correct answer is an option (E). all of these factors affect the daily urine volume.
An average adult excretes between 750 and 2000 ml of urine each day.
The eating of specific foods is one of the many variables that might affect how much pee a person generates.
the volume of liquid taken in.
the volume of food eaten.
the volume of liquid lost as a result of breathing and sweating.
medical issues and certain medicines
the blood sugar level and Blood Pressure
Salt and Alcohol intake
Exercise (sweating)
Environment temperature.
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In pavlov’s classical conditioning experiments, the neutral stimulus that comes to elicit a conditioned response is known as the.
In Pavlov's experiments, the neutral stimulus was the bell, the unconditioned stimulus was the food, and the conditioned stimulus was the salivation that occurred due to the bell.
Define Pavlov's experiments.By accident, classical conditioning was discovered. When Pavlov studied the digestion of dogs, he found that the canines' physical reactions to food evolved over time. At first, the dogs would only slobber when their food was offered to them. But later, before they got their food, they made a little salivation. They were drooling when they heard sounds that were always present before the food arrived, such the sound of an approaching food cart, according to Pavlov.
In order to prove his theory, Pavlov set up an experiment where he rang a bell right before feeding the dogs. At first, the bells had little effect on the dogs.
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