The red geranium is heterozygous for red flowers (Rr).
We know that the red flower, to be red needs to have at least a dominant allele, so it could be either Rr or RR.Let's try both the ways.If the white geranium (rr) is being crossed with RR, all the offspring would be red with genotype: Rr.On the other hand, if the flower is Rr and it's being crossed with rr, that would result in half of the new generation plants having red flowers and the other half white flowers.A horticulturist seeks to cultivate geraniums with particular qualities. She is aware that the allele R (RR and Rr) controls the characteristics of red flowers, while the allele r controls the characteristics of white blossoms (rr).To know more about geranium check the below link:
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Which statement is true about the theory of plate tectonics and the theory of continental drift?
Responses
The theory of plate tectonics tells exactly where the continents were before Pangaea divided.
The theory of plate tectonics tells exactly where the continents were before Pangaea divided.,
The theory of plate tectonics shows that continental movements could not have happened.
The theory of plate tectonics shows that continental movements could not have happened.
The theory of plate tectonics shows that Pangaea was impossible, but the continents did move.
The theory of plate tectonics shows that Pangaea was impossible, but the continents did move.
The theory of plate tectonics explains how continental movements could occur.
The theory of plate tectonics explains how continental movements could occur.
What is plate tectonic and causes?Volcanic eruptions and earthquakes are both brought on by the shifting of tectonic plates. It is crucial to understand that the Upper mantle is divided into sizable chunks known as tectonic plates. You should keep in mind that tectonic plates are enormous fragments of the Earth's mantle that fit together move over the planet's surface.
How important is plate tectonics?Because of it, the Earth is now habitable. We can't survive underwater, therefore it created the continents on that we now reside. Volcanoes are produced when plates clash and subduct (when one plate slips under another). We believe that this procedure, repeated numerous times, is just what created the continents.
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The taiga is the most extensive biome, stretching west across north america and east to asia. The snowshoe rabbit is a common species found in the taiga biome. Over the last several decades, the average annual temperature of this area has increased, and the long-term deposits of ice and snow have become scarce. How will these abiotic factors impact the snowshoe rabbit population over time?.
The snowshoe rabbit will no longer be able to camouflage itself, thus resulting in a decline in its population due to death by predation.
What are abiotic factors?
Abiotic factors are nonliving components of an ecosystem, such as temperature, light, wind, and moisture. They are the physical and chemical elements of an environment that influence the structure and function of ecosystems. Abiotic factors shape the biotic, or living, components of an ecosystem, which include plants, animals, and microorganisms. Abiotic factors determine what species of life can live in a particular ecosystem. For example, a cold, wet climate will support different species of plants and animals than a hot, dry climate. Abiotic factors also determine the carrying capacity, or the number of organisms that can be supported, of a given environment. Abiotic factors are essential to the functioning of all ecosystems and are constantly changing due to natural processes and human activities.
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how does one cell population, the pluripotential stem cells, give rise to all the different blood cells?
PPSC's have the potential to develop into any of the blood cells. They are self-perpetuating.
Pluripotent stem cells are cells capable of self-renewal by dividing and developing into the three main cell groups that make up the human body, including ectoderm and endoderm.
The skin and nervous system develop from the ectoderm.
Endoderm forms the digestive and respiratory tract, endocrine glands, liver and pancreas.
Self-perpetuating, the ability of something to continue to exist, is one of the main characteristics of life. The reproductive capacity of organisms leads to self-perpetuating of species, if not individuals. The population is self-sustaining and growing.
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Recall that ecologists are biologists who specialize in the study of how species interact within a population. On this worksheet you will look at some of the things ecologists look at when they study populations. 1. What are some factors that you think ecologists might study when it comes to populations? _______________________________________________________________________. 2. What is growth rate (r)? _______________________________________________________________________. 3. Draw the shape of the graph that the population growth in Victorian England would have reflected:
Population size, density, factors affecting density, and dispersion. After subtracting deaths and births, the percentage growth is known as the net reproductive rate (r). 0.5%/year is the population reproduction rate.
what is The importance of density?We can calculate what materials will float and sink when placed in some kind of a liquid using the concept of density, which is a crucial idea. The rule of thumb is that objects will float as long as its density is lower than the liquid's density.
Definition and illustration of population density.The average of people in a population is expressed as the number of people per unit of area of volume. One bug per square meter, for instance, would be found in a population of 100 insects which occupy a space of 100 square meters.
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c) Why is mouth to mouth method of artificial respiration so effective in stimulating victims to begin breathing on their own? (2 marks)
The mouth to mouth method of artificial respiration is so effective in stimulating victims to begin breathing on their own because it makes available residual oxygen from the rescuer to be used in the lungs of the patient.
What is artificial respiration?Artificial respiration is defined as the method of respiratory where by oxygen is being delivered to the lungs through a manipulative technique that is not natural.
There are different types of artificial respiration which includes the following;
Schaffer's Method.Sylvester's method.Mouth to mouth respiration. Artificial respiration machine. Artificial breathing devices.The mouth to mouth type of artificial respiration has been proven to be effective because it stimulates the patient and makes available residual oxygen from the rescuer to be used in the lungs of the patient.
To perform mouth to mouth respiration the following is carried out accordingly;
Take a normal breath, cover and seal their open mouth with yours, and blow into their mouth for about one second. Their chest should rise visibly when you breathe into their mouth, and sink again as soon as you move away.This should not take more that ten minutes to restore the normal breathing of the patient.Learn more about respiration here:
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dna does not store the information to synthesize which of the following? view available hint(s)for part b dna does not store the information to synthesize which of the following? dna organelles proteins messenger rna
DNA does not store information from organelles
Protein synthesis is the process of forming protein molecules involving the synthesis of amino acids that occur in the nucleus and ribosomes which are regulated by DNA and RNA. Protein synthesis functions to form and compile proteins that will be utilized in the body.
DNA is the genetic code that contains all the genetic coding used to control the function, behavior and development of a living organism. DNA functions as a carrier of genetic information that will provide genetic instructions for each organism and regulate the process of protein synthesis. DNA stores information from DNA, messenger proteins and RNA.
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tendons join muscle to bone. they are subject to severe stressors which usually only occur in one direction, the direction of muscle pull. for this reason, they are made up of:
Muscles and bones are connected by fibrous connective tissue called tendons. Tendons move bones and structures.
What are tendons?The fibrous connective tissue known as a tendon is what anchors muscle to bone in the body. It's also possible for tendons to connect muscles to other structures, such the eyeball. The function of a tendon is to allow the bone or structure to move. The collagen strands that make up fibrous connective tissue are bundled together in parallel fashion.
At one end, the tendon is securely linked to the muscle fibers, and at the other end, it is firmly coupled to the components of the bone. Tendons are responsible for transmitting the mechanical force of muscular contraction to the bones.
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prey species existing at very high densities, even temporarily, can benefit the prey as a result of:
Because of the satiation of the predator, prey species living in very high concentrations may occasionally be advantageous to them.
What is predator satiation?Predator satiation theory (Janzen, 1976; Silvertown, 1980; Augspurger, 1981) postulates that synchronous reproduction in long-lived species generates more seed than can be devoured by seed predators in mast years, starving them in non-seeding years.
A reproduction strategy in which a prey species creates many individuals in a group or cohort at a time that overwhelms the effect of individual predation by sating all predators and still having a sizable population remaining to maintain the species until the next reproduction event.
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In ferns, some leaves are "fertile" in that they bear sporangia. What are the structures in gymnosperms that are analogous to a leaf and sporangia? select all that apply.
The structures in Gymnosperms that are comparable to leaves, as well as sporangia of ferns, are (C) cone scales and ovules, (D) cone scale and pollen-producing sporangia.
Sporangia are found in the form of clusters known as 'sori' in certain leaves of ferns.
The question is incomplete. The complete question is:-
In ferns, certain leaves are termed 'fertile' as they carry sporangia. Which structures in Gymnosperms are comparable to leaves as well as sporangia of ferns?
Choose from the options that are given below:-
(A) cones as well as seeds
(B) seed coat as well as embryo
(C) cone scales as well as ovules
(D) cone scale as well as pollen-producing sporangia
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When you draw an image that you see using a microscope, why is it important to write the
magnification used next to the drawing?
Only when it is possible to see more details of an object in the image than when observing the object with the unaided eye does magnification serve a useful purpose.
What is importance of magnfication? When sketching large specimens without the assistance of a microscope, it is helpful to indicate the drawing's scale and magnification. For example, a plant's or leaf's true sizeFor instance, it could be difficult to draw conclusions from a drawing alone.If the actual size or magnification for drawings done with a microscope is not stated, it may be helpful to simply state whether a low or high power lens was used. Preferably, this information should be included directly below the drawing's title.For more information on magnification kindly visit to
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Why do bone cells muscle cells and skin cells look different?.
Answer: Bone cells, muscle cells, and skin cells look different
Explanation: because (C) different genes are active in each kind of cell. Every cell in the body has the same number and type of genes as every other cell.
Which part of the skin is made up of elastic and fibrous tissue as well as fatty tissue?.
Dermis is part of the skin is made up of elastic and fibrous tissue as well as fatty tissue.
Dermis is a fibrous structure composed of collagen, elastic tissue, and other extracellular components like nerve endings, hair follicles. The role of the dermis is to support and protect the skin and deeper layers, also assist in thermoregulation.
Dermis is the core skin and is composed of connective tissue. It is located internally, under the epidermis. The dermis is classified as highly vascularized tissue, containing blood and lymph vessels, as well as nerves, hair follicles, and sweat glands.
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Compare and contrast osmosis, diffusion and active transport
Explanation: Diffusion is the movement of particles from a high to a lower concentration. Osmosis is the diffusion of water molecules down a concentration gradient through a semi-permeable membrane. Active transport moves particles from low to higher concentrations, while diffusion moves them across a membrane.
describe the difficulty encountered in the replication of the ends of linear dna, how this problem is solved, and its relationship with cancer and aging.
Cells struggle to duplicate the ends of linear chromosomes because they need a primer and to have directed polymerases.
Which cancers have a deadly prognosis?Short and sweet. Breast, lung & bronchus, prostate, or colorectal cancer account for over 50% of all new cases of cancer diagnosed in the US. Colorectal, pancreatic, breast, lung, and bronchus cancers account for over 50% of mortality.
Why do healthy individuals get cancer?The primary factors are genetics and particular environmental or behavioral stimuli. According to certain theories, some cancers have a genetic predisposition to develop, making you more likely to contract the illness.
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Which of the following plant pigments would absorb light at 440 nm? Check all that apply.chlorophyll abeta carotene
The energy from wavelengths of 440 nm is heavily absorbed by chlorophyll b. B. Green helps with light absorption during photosynthesis.
Which 4 different plant pigments are there?Chlorophylls, anthocyanins, carotenoids, and betalains are the four major divisions of plant pigments. The majority of plant colors that are derived naturally come from them.
Carotene absorbs light, right?Carotenoids are pigments that are both common and necessary for photosynthesis. The wavelength range of light that can drive photosynthesis is increased by their absorption in the blue-green area of the solar spectrum and transmission of the absorbed energy to (bacterio-)chlorophylls.
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which of the following is/are major nitrogenous wastes of the human body? check all that apply.
a. Uric acid
b. Urea
c. Creatine phosphate
d. Creatine
e. Nucleic acids
Uric acid, Urea and Creatine are major nitrogenous wastes of the human body.
what is nitrogenous waste?Nitrogenous wastes are substances which contain the element nitrogen and these wastes can be converted to urea and then excreted from the body in the form of a concentrated stream of urine.
Urea is the end product because it is easier and safer to expel than waste containing ammonia or uric acid.
Nitrogen-based waste produced from all metabolic processes, or nitrogenous waste can be released in a series of ways.
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which of the following is the most accurate definition of perception? the processing of visual stimuli by the brain to give an accurate representation of the view of the world the conscious interpretation of the world around us the detection of the various energy forms in the environment by sensory receptors the detection of stimuli in the internal environment by visceral receptors the detection of stimuli in the external environment by sensory receptors
The best way to define perception is as our conscious interpretation of the world around us. Our ability to recognize and evaluate sensory data is known as perception.
How we react to information is also a part of perception. When we think of perception, we can picture a process where we take in sensory data from our surroundings and use it to interact with them. Various stimuli in our environment are constantly stimulating our sense organs. Our sense organs pick up on many of these stimuli, which are then transformed into sensations. Selecting, organizing, and interpreting stimuli are cognitive tasks that are part of perception.
We can therefore infer that the most accurate definition of perception is our conscious interpretation of the surroundings, which also includes our recognition and understanding of sensory data.
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A cell containing 12 replicated chromosomes at the beginning of mitosis will have how many chromosomes after the completion of mitosis?.
A cell containing 12 replicated chromosomes at the beginning of mitosis will have how many chromosomes after the completion of mitosis
What is mitosis ?When a parent cell divides into two identical daughter cells, a process known as mitosis, which involves nuclear division, takes place.
Twelve chromosomes are present in the G1 phase. The amount of DNA doubles during the S phase of the cell cycle. The number of chromosomes does not change despite the chromatids doubling. In the G2 phase, there will be the same 12 chromosomes as in the S phase, and there will be 24 chromatids.In mitosis, cells duplicate themselves exactly. As an illustration, it produces new skin cells to replace old ones. The reproductive cells required are called gametes. They do not undergo mitosis like other cells do.Learn more about Mitosis here:
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breathing is easier in an upright position: a.dyspnea b.hemothorax c.dysphonia d.anosmia e.orthopnea
The condition where breathing is easier in upright position is: (e) orthopnea.
Orthopnea is the condition where a person finds it uneasy or difficult to breathe while lying down. Breathing becomes easier when the person stands or sit down upright. Some other may also be felt along with it like chest pain, tightness, wheezing, coughing, etc.
Breathing is the process of taking air in and expelling out. This is done to take in the oxygen in the air for carrying out the life processes and expelling out the carbon dioxide produced as the by-product. The air is taken in and out by the nostrils and exchange inside the body is mediated by the lungs.
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Why is the distance between euorpe and north america slowly increasing each year
What are two different forms of a single gene called?
A factors
B alleles
B traits
Doe A biophere conit of all the organim living in an area and the nonliving feature of their environment?
The biosphere is the skinny lifestyles-supporting stratum of Earth's surface, extending from some kilometers into the surroundings to the deep-sea vents of the sea. it's far composed of living organisms and nonliving factors from which the organisms derive electricity and nutrients.
The biosphere is made of the parts of Earth wherein existence exists all ecosystems. The biosphere extends from the deepest root systems of timber to the darkish environments of ocean trenches, to lush rain forests, high mountaintops, and transition zones like this one, in which ocean and terrestrial ecosystems meet.
A biosphere consists of all the organisms living in an area and all of the nonliving functions of their environment. Botanists are scientists who look at the interactions among organisms and their environments. populace density occurs whilst or greater organisms are trying to find an identical resource at an equal time.
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GIVING BRAINLIEST AMany of those living in the Pacific Islands
A.speak one launguage
B.practice traditional forms of art or dancee
C. belong to an ethincic group
Cells remove waste from their cytoplasm by passing it through the cell membrane and out of the cell. What two human body systems perform similar functions?.
Answer:delete it
Explanation:just do it
Help!!! This is due tonight please help guys.
The recording station C is closest to epicenter.
How radio signals are transmitted to your radio?Radio works by sending and receiving electromagnetic waves. In wireless communication systems, information is transmitted through space using radio waves. On the transmitting side, the information to be transmitted is applied to a radio transmitter in the form of a time-varying electrical signal. A radio signal is an electronic current that travels back and forth at very high speed. The transmitter radiates this field outwards through its antenna. A receiver then picks up the field and converts it into sound that can be heard on the radio. A wave generator produces a high frequency radio signal. The frequency of this signal is many times greater than the frequency of the sound wave. This signal "carries" the audio signal wirelessly. The amplitude (height) of the carrier signal is changed or modulated to reflect changes in the amplitude of the audio signal.
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hich of the following represents a dna vaccine? a. attenuated measles virus b. a plasmid containing genes for influenza type a protein c. hepatitis b antigen produced in yeast cells d. tetanus toxoid
Answer: b
Explanation:
an estimate of the amount of energy required to process the food an individual eats is known as the . multiple choice question. resting heart rate basal metabolic rate parabolic effect of nutrients thermic effect of food
An estimate of the amount of energy required to process the food an individual eats is known as the basal metabolic rate.
Energy is the basic requirement for all the living organisms to maintain their life and perform all the life processes. The most commonly used form of energy is ATP. The energy is synthesized within the body of the organism from the food it intakes.
Basal metabolic rate (BMR) is the amount of calories required by the body on daily basis. In humans, the range varies among males and females. For males, the normal range is around 7,100 kJ per day, while for women, it is around 5,900 kJ per day.
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Terrance was in an accident that caused damage to the part of his brain called the cerebellum. Which skill-related component will most likely be affected by this damage?.
Terrance was in an accident that caused damage to the part of his brain called the cerebellum then the skill-related component that will most likely be affected by this damage is : balance.
What happens when cerebellum is damaged?Damage to the cerebellum causes:
coordination loss of of motor movement inability to judge distance inability to perform rapid movements movement tremors staggering and wide based walkingCerebellum is that part of your brain that helps in coordinating and regulating a wide range of functions and processes in your brain and body both.
Cerebellar damage disrupts the brain signals that are responsible for controlling movement, therefore many cerebellar patients have difficulty walking.
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many different hematopoietic cells bear fc receptors. what cell type does not have fc receptors?
T cells are the hematopoietic cells that do not express Fc receptors constitutively.
T cells are the type of lymphocytes that are produced in bone marrow but mature in thymus. They keep circulating inside the body until they encounter any foreign particles. They are of two types: T helper cells and Cytotoxic T cells. These cells express Fc receptors only during cell activation and never constitutively.
Fc receptors are proteins found on the surface of various immune cells like B cells, macrophages, dendritic cells, NK cells, etc. These receptors bind to the antibodies present that are attached to the foreign invaders and hence help in protecting the body.
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Where are proteins synthesized in the
cell?
A. nucleolus
B. smooth ER
C. Golgi body
D. ribosome
Answer:Ribosomes
Explanation:Ribosomes are the sites in a cell in which protein synthesis takes place. Cells have many ribosomes, and the exact number depends on how active a particular cell is in synthesizing proteins. For example, rapidly growing cells usually have a large number of ribosomes
