The resulting F1 offspring of a cross between a true breeding yellow seed pea plant with a true breeding green seed pea plant is 100% yellow.
What is Mendelian cross?Gregor Mendel is referred to as the father of genetics because of his immense contribution to inheritance.
He crossed a dominant yellow pea plant with a recessive green pea plant as follows:
YY (true breeding yellow seed) × yy (true breeding green seed)
The F1 offsprings (Yy) will all possess yellow seeds because yellow trait is dominant over the green.
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In Hakea, the stomata are protected from direct exposure to the air by enlarged
epidermal cells. In what environment do you think this adaptation is necessary?
Explain your reasoning.
The environment that the adaptation of Hakea is necessary is In Arid regions or dry habitat or area with low rainfall so they can reduce evapotranspiration due to lack of water in the area.
What is Adaptation?Adaptation is a process where an organisms develop some characteristics or structures which help them to adapt, survive and reproduce in their environment.
Therefore, The environment that the adaptation of Hakea is necessary is In Arid regions or dry habitat or area with low rainfall so they can reduce evapotranspiration due to lack of water in the area.
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How might the negative impact of tourism on marine ecosystems be minimized?
Answer:
Explanation:
The negative impact of tourism on marine ecosystems be minimized using following methods :- Government should put restrictions on tourist visits on some specific marine tourists spots and only allow only specific people to visit that area at a particular time.- All the marine ecosystems should be cleaned regularly and throwing of garbage should be banned.- Proper management system should be implemented for the protection of marine ecosystems.- Endangered species and coral reefs should be handled using preventive measures by the government.
What is the difference between antibody immunity and cellular immunity?
a) antibody immunity uses B cells; cellular immunity uses different types of both B and T cells
b) antibody immunity uses both B and T cells; cellular immunity doesn't use any type of cell
c) antibody immunity doesn't use any cells; cellular immunity uses different types of T cells
d) antibody immunity uses B and T-helper cells; cellular immunity uses different types of T cells
e) antibody immunity uses T cells; cellular immunity uses different types of B cells
Answer:
D) antibody immunity uses B and T-helper cells; cellular immunity uses different types of T cells
this is in my economics class.
What is most similar to a brand-name product?
a) an inferior good
b) a normal good
c) a substitute brand
d) a generic product
Generic product is similar to a brand name product.
What is a brand name?A brand name is the name a manufacturer give to his product to mark it's uniqueness and it's ownership by the manufacturer.
Brand name can carry some distinct fractures, symbols about the products. It give a unique identity to such product.
Therefore, Generic product is similar to a brand name product.
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Which of the following is a benefit of direct air capture technology?
I. Removal of carbon from the atmosphere
II. Sustainable use of fossil fuels
III. Recreation of fuels
Direct air capture technology involves extracting CO₂ directly from the air using chemical reactions and then storing it, its direct benefit is that it can be used to reduce CO2 emissions.
What is direct air capture technology?It is a technological process that separates CO2 emissions directly from the air.
It uses large fans to suck in ambient air, which is then passed through a liquid solvent to separate the CO2, which can be used directly or stored geologically.
Therefore, we can conclude that direct air capture technology has as a benefit that it can be used to reduce CO2 emissions.
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Relative Age allows for geologists to get the exact age of a rock.
True or False
the given statement is true
What is the purpose of the villi and microvilli in the intestines?.
Answer:
The function of the villi and the microvilli is to increase the amount of surface area available for the absorption of nutrients. Each villus has a network of capillaries and fine lymphatic vessels called lacteals close to its surface.
Explanation:
There, the villi and the microvilli increase intestinal absorptive surface area approximately 40-fold and 600-fold, respectively, providing exceptionally efficient absorption of nutrients in the lumen. There are also enzymes (enterocyte digestive enzyme) on the surface for digestion
What are the most common forms of genetic differences in the human genome?.
Answer:
single nucleotide polymorphisms are the most abundant type of genetic variation in the human genome in terms of thieir number
The _________ is a 5-inch long tube made of C-shaped hyaline cartilage rings lined with pseudostratified ciliated columnar epithelium.
The Trachea is a 5-inch long tube made of C-shaped hyaline cartilage rings lined with pseudostratified ciliated columnar epithelium.
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how are saprophytic plants different from parasitic plants?
Answer:
Parasite lives on a living organism whereas a saprophyte lives on dead and decaying matter. It lives on a living source known as the host for its nutritional requirements. It lives on dead and decaying matter for its nutritional requirements
What is the most important event during S-phase?
Answer:
The most important event occurring in S phase is the replication of DNA. The aim of this process is to produce double the amount of DNA, providing the basis for the chromosome sets of the daughter cells.
Explanation:
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A restriction enzyme that uses a six (6) base recognition sequence will cut DNA, on average, every ________ bases, if all four nucleotides are present in equal proportions.
A restriction enzyme that uses 6 bases will cut DNA on average every 4096 bases if all four nucleotides are present in equal proportions.
What is a restriction enzyme?A restriction enzyme is a specific enzyme that cut the nucleotide sequences (either DNA or RNA) in a specific sequence.
The restriction enzymes are very useful to cut DNA in molecular biology laboratories (recombinant DNA technologies).
In conclusion, a restriction enzyme that uses a 6 bases will cut DNA on average every 4096 bases, if all four nucleotides are present in equal proportions.
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a man with a AB blood is married to a woman with AB blood. What blood types can their children have
Answer:
They will have a child with either any of the following A,B, OR AB
Which of the following is the path of a nerve impulse through a neuron? A. Terminal branches - axon - cell body - dendrite B. Dendrite - cell body - axon - terminal branches C. Cell body - dendrite - terminal branches - axon D. Axon - cell body - dendrite - terminal branches
Answer:
B. Dendrite - cell body - axon - terminal branches
is correct
Answer:
b
Explanation:
Give 2 facts about how organism responds to the environment. What can they do and how
Answer: there are some organisms that effect the environment negatively and sometimes positively
Explanation: such has harmful bacteria
Name three reasons that parrots are sensitive to exploitation
Answer:
1. Nearly a third of all wild parrots are endangered. 2. Captive parrot estimates range from 10 to 40 million in the U.S. alone. 3. Parrots are complex creatures, "right up there with apes and humans."
The chemical signals that travel from one neuron to another, enabling them to communicate with one another, are called:
Answer:
The chemical signal is called a neurotransmitter. Neurotransmitters allow the billions of neurons in the nervous system to communicate with one another.
Explanation:
What is a target cell?
Answer:
a cell which bears receptors for a hormone, drug, or other signaling molecule
Explanation:
Answer:
Look I have got negative points on the brainly app
Explanation:
Codocyte
Description
Codocytes, also known as target cells, are red blood cells that have the appearance of a shooting target with a bullseye. In optical microscopy these cells appear to have a dark center surrounded by a white ring, followed by dark outer second ring containing a band of hemoglobin
Which process in the water cycle is facilitated by producers?
Explanation:
What role do producers play in the water cycle? Plants need water to grow and maintain their structure. They absorb groundwater, that is, water collected below ground level due to percolation of rain water, through their root system
Plants need water to grow and maintain their structure. They absorb groundwater, that is, water collected below ground level due to percolation of rainwater, through their root system.
Which processes of the water cycle involve plants?
Transpiration is another important part of the water cycle. Transpiration is the process of water vapor being released from plants and soil. Plants release water vapor through microscopic pores called stomata.
What are the 4 main processes of the water cycle?
There are four main stages in the water cycle. They are evaporation, condensation, precipitation, and collection. Let's look at each of these stages. Evaporation: This is when warmth from the sun causes water from oceans, lakes, streams, ice, and soils to rise into the air and turn into water vapor (gas).
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Quickly I need help with this
Answer:
you are right though?
what do you need?
Explanation:
Which of the following would you expect to see in a positive feedback system?
1. a reduction in output
2. a magnification of output
3. a stabilization of output
4. a movement toward equilibrium
Answer: a magnification of output
Explanation: positive feed back means that you should be able to do the same amount of work but have a greater output
What causes the red pigment to escape from beetroot cells and why does this happen?
Answer:
These pigments are a useful indicator of membrane fluidity as they are typically contained within the vacuole of intact beetroot cells. An increase in membrane fluidity will cause the pigment to leak out of the cell, and the amount of pigment can be measured simply by using a colorimeter.
The ion that triggers the release of acetylcholine into the synaptic cleft is.
Answer:
calcium influx
Explanation:The calcium influx triggers synaptic vesicles, which package neurotransmitters, to bind to the presynaptic membrane and to release acetylcholine into the synaptic cleft by exocytosis.
two examples of chemical energy in the process of cellular respiration
Answer:
It occurs in autotrophic and heterotrophic organisms
Compare directional selection and disruptive selection.
Answer:
Directional selection vs Disruptive Selection
Explanation:
Directional selection leans to a phenotype that is more fittest to the environment of a species, directional selection favors a phenotype extreme values for a trait over medium ones
While two pieces of fabric may have the same
investigators may be able to find differences in their
color, spectral patterns
luminosity, molecules
transparency, weave
chemical composition, shape
Answer:
I think the answer is luminosity, molecules
Explanation:
They may have the same luminosity but there molecules ar diffrent.
Answer:
Its color, spectral patterns
Explanation:
i got it right on the quiz
Which of these is the most likely consequence of rising petroleum prices?
A. Increased interest in public transportation
B. Falling transportation costs
C. Lower gasoline prices
D. Less demand for electric cars
Answer: Increased interest in public transportation
Explanation: got it right
Due to public transportation, more vehicles need more petroleum, leading to an increase in petroleum prices, hence option a is correct.
How are petroleum prices rising?Petroleum prices are likely to have risen as a result of both increased demand and worries about supply interruptions. Global demand for oil has been rising, exceeding any increases in supply and surplus capacity.
One major reason is that developing countries, particularly China and India, have been quickly rising. These economies have grown more industrialized and urbanized, contributing to an increase in global demand for oil.
This is because transportation costs will rise, raising the prices of numerous commodities. This is cost-push inflation, as opposed to inflation produced by increased aggregate demand excess growth.
Therefore increased interest in public transportation, leads to rising petroleum prices, hence option a is correct.
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The portion of the cell cycle when the cell is growing and does not contain a replicated genome is referred to as:
The portion of the cell cycle when the cell is growing and does not contain a replicated genome is referred to as Growth 1 (G1) phase.
What is the cell cycle?The cell cycle refers to the process from which a cell is born until it dies, which involves interphase and a mitotic phase.
The interphase can be in turn divided into a Growth 1 (G1) phase, ad synthesis (S) phase, and a Growth 2
The S phase is the specific period where the DNA is duplicated (DNA replication) during the cell cycle.
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Which body organs has the muscles which never fatigue ?
Answer:
the heart...I has the cardiac muscle which never gets tired
In bacterial cell division, the cell divides into two nearly equal halves. This process is referred to as:
In bacterial cell division, the cell divides into two nearly equal halves. This process is referred to as mitosis.
To answer the question, we need to know what cell division is
What is cell division?This is the process in which parent cells divide into two or more daughter cells.
There are two types of cell division namely
Mitosis and MeiosisMitosisMitosis is the process in which non-reproductive (somatic) parent cells divide into two daughter cells that have the same number of chromosomes as the parent cell.
MeiosisMeiosis is the process in which reproductive parent cells divide into four daughter cells with half the chromosoes of the parent cells.
From this, we see that cell division in which the cell divides into two nearly equal halves is refered to as mitosis.
So, in bacterial cell division, the cell divides into two nearly equal halves. This process is referred to as mitosis.
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