Yes, the creation of pluots through cross-breeding plums and apricots is an example of breeding for the optimization of a specific trait. In this case, the specific trait being targeted is the combination of the external appearance of a plum and the internal flavor of an apricot. By selectively crossing these two fruit varieties over multiple generations, breeders were able to develop a new crop that exhibits the desired characteristics.
An example from this activity that demonstrates breeding for a specific trait is the creation of seedless watermelons. Through traditional breeding methods, breeders have selectively crossed watermelon varieties to eliminate or reduce the number of seeds while maintaining the desired taste, texture, and appearance. The goal of this breeding program was to optimize the fruit for consumption convenience, providing consumers with seedless watermelons that still possess the desired flavor and texture qualities.
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If you treat a developing embryo with a toxin that completely inhibits the formation of neuromuscular junctions, you would expect myogenesis to be blocked after which of the following stages?
a. Formation of myoblasts from the DML and VLL
b. Fusion of myoblasts into primary myotubes c. No answer text provided. d. Formation of the dermomyotomal compartment
e. Segmentation of somites from the presomitic mesoderm
Myogenesis should be halted after the Fusion of myoblasts into primary myotubes stages if an embryo is exposed to a poison that entirely prevents the development of neuromuscular connections. Hence (b) is the correct option.
Fusion-competent myoblasts must locate, move to, and adhere to the founder cell in the Drosophila embryo prior to myoblast fusion. We describe a unique form of congenital myopathy that is characterised by an early stop of muscle development before the creation of myotubes. The cells that make up vertebrae and ribs, the dermis of the dorsal skin, the skeletal muscles of the back, and the skeletal muscles of the body wall and limbs are produced by somites.
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What's Chlorophyll ?
Answer:
Chlorophyll is any of several related green pigments found in the mesosomes of cyanobacteria and in the chloroplasts of algae and plants. Its name is derived from the Greek words χλωρός, khloros and φύλλον, phyllon. Chlorophyll is essential in photosynthesis, allowing plants to absorb energy from light.
Explanation:
Explanation:
Chlorophyll is a green photosynthetic pigment found in plants, algae, and cyanobacteria. Chlorophyll absorbs mostly in the blue and to a lesser extent red portions of the electromagnetic spectrum, hence its intense green color.
Why must everything but the independent
variable stay constant?
A. since a graph can only hold one variable
B. each group should be completely different to do an experiment
C. because you can only record information for one experimental
group
D. because with too many variables you can't determine what
caused the results
Other things but the independent variable must remain constant because; with too many variables you can't determine what caused the results.
What is independent variable?The independent variable is the variable that is changed in an experiment. Recall that every experimebt must have a dependent and independent variable.
Everything but the independent variable must stay constant because because with too many variables you can't determine what caused the results.
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how do u get a perimeter of a rectangle?
Answer: All you have to do is add up all the sides
Explanation: Hope this helped you!!! Have a good day, and stay safe :)
Answer:
You would add all the sides
Explanation:
Area = multiplying 2 sides
Perimeter = adding up all the sides
so you would add all the sides of a rectangle
Hope this helped :)
Please answer only if you know the answer I will give brainliest!
How does the movement, diet, and cellular structure of an organism play a role in classification?
Centrosomes and lysosomes are found in animal cells, but do not exist within plant cells.
The lysosomes are the animal cell’s “garbage disposal”, while in plant cells the same function takes place in vacuoles.
Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, which are not found within animal cells.
The cell wall is a rigid covering that protects the cell, provides structural support, and gives shape to the cell.
The chloroplasts, found in plant cells, contain a green pigment called chlorophyll, which captures the light energy that drives the reactions of plant photosynthesis.
The central vacuole plays a key role in regulating a plant cell’s concentration of water in changing environmental conditions. follow me
Answer:
Describe the differences among meteoroids, meteors, and meteorites.
Explanation:
T/F. investigate two known causes for these rapidly dividing cells
True (T). Rapidly dividing cells have the ability to divide into two identical daughter cells more rapidly than normal cells.
This is because they are not subject to the same restrictions as normal cells when it comes to cellular division. Consequently, two known causes of rapidly dividing cells are mutations and stress. Mutations may lead to the formation of abnormal proteins or other cellular components that are unable to function correctly. Stress can also induce the overproduction of certain proteins or other cellular components.
Two known causes for rapidly dividing cells in cellular division are:
Cell Cycle Dysregulation: The cell cycle is a tightly regulated process that controls cell growth and division. Dysregulation of the cell cycle, such as the loss of cell cycle checkpoints or mutations in genes involved in cell cycle regulation, can lead to uncontrolled and rapid cell division. This dysregulation can result in the formation of tumors and is a hallmark of cancer.
Growth Factor Signaling: Growth factors are signaling molecules that stimulate cell growth and division. When cells are exposed to an excess of growth factors or when there is an abnormal activation of growth factor receptors, it can lead to uncontrolled cell division. Aberrant growth factor signaling pathways are implicated in various diseases, including cancer.
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It is difficult to achieve global sustainability because
A. it is an unrealistic goal.
B. governments do not always agree on how to solve environmental problems.
C. international agreements are not binding.
D. globalization is increasing.
Complete the complementary strand of DNA, using the same symbols for phosphates (circles), sugars (pentagons), and bases. Mark the 5' and 3' direction of the strands,
Drag the appropriate labels to their respective targets. Terms can be used once, more than once, or not at all
About the question:
You will find the completed strand in the attached files
Answer and Explanation:
First, we need to recognize each strand, the original one and the complementary one. We can recognize the original strand because bases are already given. So,
The original strand is the one at the left,The complementary strand is the one at the right.Now we need to recognize and pair the bases. Names are written with their letters.
Nitrogenated bases that form nucleic acids correspond to purines and pyrimidines. Adenine and guanine derive from purines, while Thymine and Citocine derive from Pyrimidines.
In the DNA molecule, Adenine (Purine) forms pairs with Timine (Pyrimidine), while Guanine (Purin) pairs with Cytosine. Two hydrogen bonds join the A-T pair, and three hydrogen bonds join the G-C.
Once we drag the base labels to their targets, we need to recognize each of the strain extremes.
One of the extremes has a phosphate group, which is named 5´. The other extreme has a hydroxyl OH named 3´. Both of them are readen in the 5´to 3´ direction. The polymerase enzyme reads the original strand in 5´ to 3´ mode, and the molecule lecture goes from 3´to 5´.
So, by looking at the labels, we will recognize the phosphate extreme and the hydroxyl one. We will place in the superior extreme of the original strain the phosphate group 5´ and in the other extreme the OH 3´. These positions will give us the direction reflected by the arrow. The complementary strand will have the same extreme labels but in opposite places. So first we will place the OH 3´ label in the superior extreme, and the phosphate 5´label in the inferior extreme, defining the direction reflected by the arrow.
When one DNA molecule is copied to make two DNA molecules, the new DNA contains 50% of the parent DNA. Why?
Answer:
When one DNA molecule is copied to make two DNA molecules, each new DNA contains 100% of the parent DNA. DNA replication uses each strand of a DNA molecule as a template for the creation of a new strand.
Explanation:
We should NEVER keep volatile solvents, like as ether, acetone, or benzene in an open beaker or Erlenmeyer flask because vapors can ignite and flash back if they reach a flame. All BUT ONE safety precaution is necessary when using volatile solvents. That is
"We should NEVER keep volatile solvents, like ether, acetone, or benzene in an open beaker or Erlenmeyer flask because vapors can ignite and flash back if they reach a flame.
All BUT ONE safety precaution is necessary when using volatile solvents."The necessary safety precaution when using volatile solvents that is not needed is: Using a volume of the solvent that is more than 100 mL.When using volatile solvents like ether, acetone, and benzene, the safety precautions that should be taken include the following:Wear proper PPE, such as safety glasses, gloves, and a lab coat.Keep the solvent container closed when it is not in use.Store solvents in designated flammable solvent cabinets.Keep volatile solvents away from any heat or open flames.Never heat volatile solvents with a Bunsen burner.
This can cause a fire.When handling volatile solvents, make sure there is proper ventilation in the laboratory. This can be achieved by using a fume hood.Use only small volumes of the solvent. If more than 100 mL is used, it can be dangerous to the user. Always ensure that the solvent is used in an area free of any ignition sources, including hot plates, Bunsen burners, and open flames.
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white sands national monument in New mexico has hundreds of miles of white sand dunes made of gypsum crystals. which of the following would you expect to be true of white sands national monument?
a. it receives no radiation
b. it is immune to insolation
c. it has a high albedo
d. it has no heat capacity
Gypsum, a soft mineral frequently left behind when water bodies evaporate, is what gives the sands of White Sands National Monument a high albedo their texture, hence option C is correct.
What is white sands national monument?Despite being a very common mineral, gypsum is rarely found as sand because it readily dissolves in water and is often transported to the sea by rivers.
The dunes seem white like snow additionally, gypsum doesn't absorb heat from the sun as silica sand does.
Therefore, gypsum is actually a transparent material, but due of the frequent collisions between the grains,, hence option C is correct.
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Mention two ways in which plants are useful to animals and vice versa
Answer:
1.All animals depends on plants for their food and medicine
2.Plants gives animals oxygen which is essential for environment and animals for their survival.
Explanation:
FILL THE BLANK. 1. Nebula (cloud of gas and dust) Red Grant White Dwarf The above stages of evolution are for a Select one: O Low-mass star Ob. Normal-mass star OG High-mass star Od. Intermediate-mass star Through the use of a astronomers have determined that light from most stars is which produces evidence that the universe is ____ The statement above is completed correctly by the information in row Select one: O a radio telescope; blue-shifted; contracting. O b. radio telescope; red-shifted; expanding Oc. spectroscope; blue-shifted; contracting d. spectroscope; red-shifted; expanding Clear my choice
The above stages of evolution are for a high-mass star.
Through the use of a spectroscope, astronomers have determined that light from most stars is red-shifted, which produces evidence that the universe is expanding.
Explanation to the above given short answers are written below,
The stages of evolution mentioned in the question, namely nebula, red giant, and white dwarf, are characteristic of high-mass stars. Low-mass stars do not go through the red giant phase, and intermediate-mass stars have different evolutionary paths.
A spectroscope is an instrument used to analyze the light emitted or absorbed by celestial objects. When astronomers observe the light from most stars, they observe a redshift, meaning the light is shifted towards longer wavelengths.
This redshift is a result of the expansion of the universe, where galaxies and celestial objects are moving away from each other. The redshift provides evidence for the expanding universe and is a fundamental concept in cosmology.
Therefore, the correct completion of the statement is: Through the use of a spectroscope; red-shifted; expanding.
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The genetic code is carried ____ molecule in most organisms.
chromosomal
DNA
Guanine
hereditary
Mitosis is responsible for growth, repair, and maintenance in an organism because
Answer:
Explanation:
This is because mitosis produce two daughter cells that are genetically identical to each other thereby producing new cells that are particular to different tissues thereby making it to grow. These new cells that are genetically identical replaced the old or damaged cells , it's repair and also help in healing process.
what is the potential disadvantage of external digestion
Make a male heterozygous tall pea plant with a female short plant.
Answer and Explanation:
Hello. I believe you want to know the result of a cross between a tall pea plant and a low pea plant. Well, to visualize the cross between these two plants, it is necessary to know which characteristics have the dominant and recessive alleles, as you did not mention, let's assume that the high plant has the dominant characteristic that will be represented by the "TT" alleles, while the low pea plant will have the recessive characteristic, represented by the "tt" allele.
A dominant characteristic is one that has dominant alleles in its composition. These alleles are represented by capital letters and signify the genes that determine a characteristic. The characteristic of a dominant allele will always be seen in the offspring of a cross, as long as that allele appears in hom0zygosis (two dominant alleles as "TT") or hetorozygosis (a dominant allele and a recessive allele as "Tt"). The characteristic of the recessive allele, on the other hand, will only be seen in the offspring of a cross, if it is presented in hom0zygosis (two recessive alleles as "tt").
In the figure that is attached below, you can see how a high pea plant (TT) crosses with a low pea plant (tt). This crossing is done by combining each allele of the tall plant with each allele of the plant, which resulted in a completely heterozygous offspring, with the "Tt" alleles. As mentioned above, the recessive characteristic only appears if there are two recessive alleles. In this case, we can consider that the entire offspring were tall pea plants, since all plants have the dominant allele.
Please help i am give brainilest
Which of the following characteristics is shared by viruses and living cells? Both viruses and living cells –
A. have a nucleus, as well as a cell wall.
B. contain nucleic acids such as DNA or RNA.
C. can replicate independently of a host cell.
D. use organelles to perform life functions.
i don't want to see any link
If i do you will be reported
Answer:
B
Explanation:
1.2
A rose bush contains 1 000 kJ/m2 /year of energy and only 10% of this
energy is passed on at each trophic level of the food chain. How much
energy will be passed on to the blackbird? Show ALL your calculations
(4)
Answer:
What is the name of this website or the book?
Imagine that there is a loss-of-function mutation in the gene for the Notch receptor in the progenitor cell of C. elegans. How does that mutation affect vulva development
Answer:
Hello your question is incomplete attached below is the complete question
answer :
None of the progenator cells differentiate into type 2 cells. ( A )
Explanation:
Due to the loss-of- function mutation in the gene for the Notch receptor in the progenitor cell of C elegans , This causes The progenator cells for type 1 to be differentiated to type 1 cells but the cells for type 2 will not be differentiated.
hence the answer is : None of the progenator cells differentiate into type 2 cells.
All the organisms in a community, along with all interacting environment factors, form a (n) ________
A. population
B. community
C. large biome
D. ecosystem
Answer:
D ecosystem
Explanation:
A ecosystem is liveing spiecies interacting with thier enviornment together as a system.
1. The sister chromatids are moving apart.
2. The nucleus and other organelles are no longer visible.
3. A new nuclear membrane is formed around the chromosomes.
4. The centrioles have reached the opposite poles of the cell.
5. The threadlike genetic material is formed and found in the nucleus.
6. The chromosomes are located at the equator of the cell.
7. The mitotic spindle disappears.
8. The centromeres of chromosomes split.
9. The mitotic spindle is formed.
10
11. The cell elongates.
12. Centrioles start to move toward the opposite poles of the cell.
13. Cytoplasmic contents start to duplicate.
14. The reverse of prophase.
15. The mitotic spindles converge and connect to the kinetochore of
chromosomes.
An organism with a mutated cell
Answer:.
An organism with a mutated cell is mutant
Hope this helps!
P S Q R The biological levels of organization range from a single organelle all the way up to the biosphere in a highly structured hierarchy. Multicellular organisms are organized from the simplest to most complex: cells, tissues, organs, organ systems, organisms. Evaluate the model above. Select ALL of the statements that accurately depict the examples shown in the model. A) R shows an animal cell. B) O shows types of tissue. P shows organs in the endocrine system. D) P shows an organ system, the digestive system. E) S shows an organ system, the digestive system.
Answer: the red thing pretend is blood and blue thing is water you first ta
Explanation:
Answer:
A) R → Q → P → S
Explanation:
I just took the test on USA Test Prep
PLEASE HELP ME I WILL GIVE BRIANEST
Into which of the six kingdoms should the organism be placed? Construct a response to state your claim, use evidence, and support with reasoning. Include the list of common characteristics of the kingdom and why it does not belong in the other kingdoms in your justification.
Answer:
Protist kingdom
Explanation:
The organism in the picture is an amoeba nd it belongs to the protist kingdom.
Amoeba does not have cell wall or a chloroplast and so it cannot be named under the plantae kingdom. It cannot be placed under Archaebacteria or bacteria as the organism has a nucleus. It also contain a psedupodium, so it can be placed under fungi or the animalia kingdom.
Hitchhiker’s thumb (H) is dominant to no hitchhiker’s thumb (h). A woman
who does not have hitchhiker’s thumb marries a man who is heterozygous for
hitchhiker’s thumb. What is the probable genotypic ratio of their
children?
Group of answer choices
50% Hh : 50% hh
100% HH : 0% hh
75% Hh : 25% hh
0% Hh : 100% hh
Answer:
there is a 50 50 chance
Explanation:
have a nice day!;)
The probable genotypic ratio of their children is 50% Hh : 50% hh because the man is heterozygous for the hitchhiker’s thumb, hence option A is correct.
What is a heterozygous condition?In some crosses, there are two conditions, in which some alleles are heterozygous and some are homozygous. In the homozygous trait, both alleles are the same, it may be dominant or recessive HH and hh, respectively.
The cross is between a woman who does not have a hitchhiker’s thumb and a man who is heterozygous for a hitchhiker’s thumb.
Cross: Hh X hh
Gametes: H and h
Genotype: Hh, Hh, hh, hh
Phenotype: 50% of hitchhiker’s thumb and 50% not having hitchhiker’s thumb.
The cross is attached in the image below.
Therefore, due to the heterozygous condition of man genotypic ratio of their children is 50% Hh: 50% hh.
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Extracellular matrix proteins are produced by ribosomes in which part of a eukaryotic cell?
A) lysosomes
B) cytoplasm
C) nuclear envelope
D) golgi apparatus
E) rough ER
Extracellular matrix proteins are produced by ribosomes in the rough endoplasmic reticulum (ER) of a eukaryotic cell. So, option E is the right choice.
Extracellular matrix proteins are produced by ribosomes in the rough endoplasmic reticulum (ER) of a eukaryotic cell. Here's a step-by-step explanation:
Ribosomes: Ribosomes are cellular structures responsible for protein synthesis. They can be found either floating freely in the cytoplasm or attached to the endoplasmic reticulum.Rough Endoplasmic Reticulum (ER): The rough ER is a network of membrane-bound sacs studded with ribosomes. These ribosomes are involved in the synthesis of proteins that are destined for secretion or incorporation into the cell membrane.Protein Synthesis: Ribosomes on the rough ER synthesize extracellular matrix proteins by reading the genetic instructions from messenger RNA (mRNA) molecules. The ribosomes synthesize the protein chains (polypeptides) based on the mRNA instructions.Processing and Transport: After synthesis, the newly formed extracellular matrix proteins undergo further processing and modifications within the rough ER. This may involve folding, glycosylation, or other post-translational modifications.Golgi Apparatus: Once processed in the rough ER, the extracellular matrix proteins are transported to the Golgi apparatus for further processing, sorting, and packaging into vesicles.Secretion: The vesicles containing the extracellular matrix proteins are then transported to the cell membrane for secretion into the extracellular space, where they contribute to the formation and maintenance of the extracellular matrix.In summary, the production of extracellular matrix proteins involves ribosomes located on the rough endoplasmic reticulum (ER) of eukaryotic cells.
The right answer is E. rough ER
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12. Define the differences between a crystalline and amorphous substance a. Relationship questions: 1. How does the bonding of atoms differ between an amorphous and crystalline substance. Draw a picture. 2. Explain why amorphous substances will not melt ---- they just get gooey" when heated 3. What is the relationship between a mineraloid and an amorphous substance 4. How does the term amorphous NOT relate to the mineral definition? 12. Define the differences between a crystalline and amorphous substance a. Relationship questions: 1. How does the bonding of atoms differ between an amorphous and crystalline substance. Draw a picture. 2. Explain why amorphous substances will not melt ---- they just get gooey" when heated 3. What is the relationship between a mineraloid and an amorphous substance 4. How does the term amorphous NOT relate to the mineral definition? 5. Identify 3 amorphous and 3 crystalline substances you have used.
1. In crystalline substances, the atoms are arranged in a highly ordered and repetitive pattern, forming a crystal lattice structure whereas amorphous substances lack a long-range order in their atomic arrangement.
2. Amorphous substances will not melt because they have no ordered pattern and will simply slide over each other.
3. Mineraloids are a subset of amorphous substances.
4. Amorphous substances are not classified as minerals because they lack the characteristic crystalline structure.
5. Three examples of amorphous substances are glass, rubber, and plastic.
What are amorphous and crystalline substances?Crystalline substances have a highly ordered and repeating three-dimensional arrangement of their constituent particles.
In a crystalline solid, the particles are arranged in a regular pattern, forming a crystal lattice.
Amorphous substances lack the long-range order and regularity of crystalline substances.
In an amorphous solid, the constituent particles are arranged in a disordered manner, without a repetitive pattern or crystal lattice structure.
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Bonus Question
17)
What two major factors are involved in the conversion of primary pollutants into secondary pollutants?
A)
Sunlight and water
B)
Sulfates and sunlight
Water and volatile organics
D)
Nitrogen oxides and sulfates
Which of the following accurately describes how environmental pollution can cause a
non-transmissible disease?
People who are exposed to photochemical smog in "gray-air cities" are at risk of developing
pneumonia.
People who are exposed to increased levels of tropospheric ozone are at risk of developing
skin cancer.
People who eat animals in which toxins have bioaccumulated are at risk of contracting
malaria.
People who are exposed to asbestos particles are at risk of developing respiratory
infections.
Answer:
B
People who are exposed to increased levels of tropospheric ozone are at risk of developing skin cancer.
Explanation: