Cells of mature plants maintain their genetic information.
Comment:- Mature plant cells maintain all of the genetic data required to complete the procedures of producing new individual plants.
Cloning is a method of vegetatively propagating plants in which a piece of the original plant's stem or root is placed in an appropriate substrate.
Because you are essentially developing a clone of the stock plant when you take cuttings, they will always result in plants that are exactly like it.
cellular genetic material from plants
Although chloroplasts and mitochondria also house some DNA, the majority of it is found in the nucleus of plant cells. When compared to nuclear DNA, the organization and inheritance patterns of this organellar DNA are very different.
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Structural changes to genes
1) gene
2)mutations
3)cell
4)chromosome
5)trait
Answer:
mutation
Explanation:
As such, the nucleotide sequences found within it are subject to change as the result of a phenomenon called mutation
Which activity would reduce human sources of greenhouse gases? Increasing the size of livestock herds Monitoring worldwide volcanic activity Using wind energy to generate electricity Researching ways to add methane to the atmosphere
Answer:
The answer is "using wind energy to generate electricity".
Explanation:
The Wind turbines may not emit water or sulfur compounds (with rare exceptions) and require no water as a coolant. The cost of power produced from energy sources may also be reduced by windmills, which will result in lower overall air quality and hosing pollution, that's why Utilizing wind energy for energy production decreases human greenhouse gas sources.
What does the term maturity group mean?
O the age and skeletal ossification of the animal at slaughter
O the level of ossification in the bones of the animal
O the length of time the beef has been stored after slaughter
O the median age of the herd the animalas from
arbas
Which of the following is a major cause of extinctions?
volcanic eruptions
O earthquakes
solar flares
O overharvesting species
Answer:
volcanic eruptions
Explanation:
According to the dichotomous key, the organism pictured would be a member of the kingdom
A) Animalia.
B) Fungi.
C)Eubacteria.
Answer: its C
Explanation:
Help me out pleaseeeeeeees
My stummy hurts T_T wut do i do.
What do radio waves and microwaves have in common?
Both have lower frequencies than visible light.
Both have shorter wavelengths than visible light.
Both are at the side of the spectrum that has the highest frequency.
Both have radiant energy than visible light.
Answer:
Both have longer wavelengths than visible light as their frequency is much smaller than visible light.
Explanation:
hope this helps
Answer:
it would be A
Explanation: i just took the quiz
what happens during cytokines
Answer:
during cytokines the cytoplasm( the liquid center of the cell that holds the organelles in to place) split into two equal half's, and the cell becomes two daughter cells.
In a short, detailed paragraph, please answer the following.
What happens in the light reaction of photosynthesis?
What happens in the dark reaction of photosynthesis?
What five factors affect photosynthesis and its rate? How?
Answer:
Ans - 1 Photosynthesis begins with the light reactions. It is during these reactions that the energy from sunlight is absorbed by the pigment chlorophyll in the thylakoid membranes of the chloroplast.
Ans-2 The dark reactions of photosynthesis occur in the stroma of the chloroplast where they utilize the products of the light reaction. In the dark reaction, plants use carbon dioxide with ATP and NADPH from the light reactions to produce glucose.
Ans-3 The main factors affecting rate of photosynthesis are light intensity, carbon dioxide concentration and temperature.
the ovary develops into the?
Answer:
Ovules
I hope this helps!
Answer:
fruit
Explanation:
The ovary itself will mature into a fruit, either dry or fleshy, enclosing the seeds
Which government department is responsible for the conservation of soil and water? O the Department of Agriculture and Forestry O the Department of Environmental Quality O the Department of Natural Resources the Department of Wildlife and Fisheries
Answer: The Department of Agriculture and Forestry (Answer: A)
Explanation:This is 100% the correct answer. No cap.
Answer:
A
Explanation:
The integumentary and muscular systems work together interactively for which
main purpose?
a) When a cat feels threatened the muscles under their skin contract to extend
the hairs on their backs and tails.
b)When a baboon is ready to mate it secretes a hormone which turns their
backside red.
c) When a giraffe fights over territory they swing their muscular necks and strike
each other with their bony ossicones.
d)Goldfish and other fish species are covered in scales to protect them from
pathogens and disease.
Answer: When a cat feels threatened the muscles under their skin contract to extend
the hairs on their backs and tails.
Explanation:
In pea plants, purple flowers (P) are dominant to white flowers (p). What color flowers would the following genotypes produce in pea plants.
HELP PLEASE
A preservation biologist conducted an experiment on two islands (A and B) of similar size, climate, species composition, and richness. Originally, a large population of the same invasive species, a brown tree snake, was present on both islands. It had led to the extinction of some native lizards and forest birds. In her experiment, the biologist removed the brown tree snake from island B but not from island A. She then recorded the number of animal species on each island over a period of 24 months. The data collected is shown in the graph below:
Analyze the data above in terms of interspecific relationships and communities. Which statement best explains the difference in species present on each island over the course of the experiment?
The scientist is the ecosystem engineer of island B.
The brown tree snake was a keystone species on island B.
The brown tree snake is a foundation species on island A.
The brown tree snake is the ecosystem engineer on island A.
Boiga irregularis or brown snake is a slender, climbing snake with a vertical pupil and large eyes, providing it better nocturnal vision. The species has no natural predator. When the brown snake is accidentally released into the island, it will result in local extinction of the majority of the island's native lizard and bird species.
It will also result in cascading ecological influences by eradicating native pollinators, resulting in the corresponding reduction of the native plant species.
Hence, the correct answer will be fewer birds and more snakes.
Ecosystemic engineers might affect the ecosystem structure and community dynamics. Option D. The brown tree snake is the ecosystem engineer on island A.
What are ecosystem engineer species?
Ecosystemic engineers are organisms that can modify the environment in which they live, influencing other species by changing biotic and abiotic factors and affecting resources availability.
Usually, the interaction of ecosystemic engineers with other species has a consequence on the ecosystem structure and equilibrium.
Based on this concept, many invasive species are considered ecosystemic engineers.
Invasive species are uncontrollable and provoke significant damage to the structure of native ecosystems, affecting endemic species. They produce ecological imbalances in the trophic chains and the dynamics of communities.
By affecting the structure of native ecosystems, they produce cascade effects in resident biota, altering the composition and habits of species in the region and modifying physical and chemical conditions in the environment.
The statement that best explains the difference in species present on each island over the course of the experiment is that The brown tree snake is the ecosystem engineer on island A. Option D.
As we can see, in the presence of the brown tree snake, many species suffered extinction on island A, probably by both direct and indirect effects of the invasive snake.
Island B, on the other hand, kept plenty of species diversity. This is because the snake was removed from the island. Native species managed to increase their population size and to establish again.
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Xylem and phloem carry out specific functions in a plant. Which of the following terms does not apply to either xylem or phloem? a. Specialized cells b. Eukaryotic cells c. Differentiated cells d. Prokaryotic cells
Answer:
Prokaryotic cells
Explanation:
What kind of rock? Igneous, Metamorphic, sedimentary. Explain why? plz help!! ASAP
Answer:
sedimentary
Explanation:
it seems eagle rock has sedimentary features, such as layers, or ripple marks
You are an endotherm, which is another name for being warm blooded. Warm blooded organisms...
A) maintain a constant body temperature despite the external temperature of their surroundings.
B) use the external temperature to maintain an internal body temperature
I need help
Answer
the answer is A
although our tempurature can vary depending on extreme hots and colds, or other external factors such as sickness.
Explanation:
hey besties if you would help me with these questions i think i can finally get myself to fully understand and do the rest of the assignment lol (its very late lol and i’m so close to just giving up)
1. explain how body plan and anatomy enables invertebrate to perform essential functions it needs to survive.
2. explain how body plan and anatomy enables chordate to perform essential functions it needs to survive.
3. explain how body plan and anatomy enables primate to perform essential functions it needs to survive.
Answer:
1)Invertebrates are known as creatures that do not have backbones. Even though these creatures do not have backbones, they have been uniquely designed in order to survive. According to studies, most of these creatures are found in the sea and one of them is the Star Fish or also called as the Sea Star. Starfish's functions and ability to survive is not the same like other animals which make them unique in a different way. The starfish's body is hard and bony for protection purposes and they exist in a variety of colors for camouflage. Their essential functions in order to survive are as follows:
-The Ability to Regenerate: Starfishes have the ability to grow damaged and lost limbs or even their entire body as long as the center part is still present and intact. And this is their way of reproduction as well.
-Having Tube Feet: Its arms are covered with a suction-like tiny cups of tube feet. This unique design of the starfishes enables them to move and secure themselves, especially on rocks and ocean floors.
-Unique Feeding Ability: Sea Stars don't have mouths nor teeth to ingest food. Rather, these creatures have the ability to push open or turn their stomachs out and digest its food. After digestion, their stomachs retract back to their bodies.
-Vascular System: How starfishes survive does not rely on having hearts, brains and blood. Rather, they use the seawater. The seawater serves as the one the circulates inside the sea stars' bodies and this is when nutrients and oxygen are being transported and absorbed.
2)Keep in mind invertebrates are those who have exoskeletons (outside skeleton) or are hydrostatic (no skeleton). This make up 95% of all animals for example an ant or sponge. For a sponge, all it has is tissues that enable it to allow water to flow out the tops.
Chordata are anything with vertebrates so a simple fish could suffice. THEY HAVE 4 SPECIFIC CHARACTERISTICS: 1.Notochord 2.Dorsal, hollow nerve cord 3.Pharyngeal slits 4.Muscual, an.al tail
This is us, we have thumbs, and vertebrates.
3)The bipedalism of primates puts their heads on a higher elevation and this allows them to see predators or prey from afar hence giving them advantage. Opposable thumbs on the hand and feet allow primates to grasp and handle objects effectively hence are able to make use of tools for hunting and etcetera
Explanation:
How are organisms in the kingdoms Fungi and Animalia similar?
Answer:
their trophic level, neither fungi nor animals are producers, both must use external food sources for energy.
Which factor does the moment magnitude scale estimate?
O damage
O location
wave strength
O energy released
Which side of the heart contains only deoxygenated blood? Only oxygenated blood?
Answer: The right ventricle receives deoxygenated blood, The left ventricle receives oxygenated blood from the left atrium
Explanation:
Which of the following statements about the effects of pollution on marine ecosystems is true?
A)
Burning fossil fuels causes a direct increase in the temperatures of ocean water.
B)
Burning fossil fuels causes an increase in the acidity of ocean water.
C)
Pollution in marine ecosystems causes a decrease in the formation of algal blooms.
D)
Addition of warm water has no effect on marine ecosystems.
Answer:
a Burning fossil fuels causes a direct increase in the temperatures of ocean water.
Explanation:
Answer: A
Explanation:
Which of the following is NOT a result of cell division
a
reproduction
b
nutrition
c
growth
d
repair
Answer:
its d repair crlls can't repair itself
Cell division is the division of cells through a series of events. It results in reproduction, growth and repair. Nutrition is not a result of cell division.
What is a cell cycle?Cell cycle is a series of event where a cell grow, differentiate, accumulate nutrients, duplicates its genome and divide to form daughter cells.
Cell cycle has two phases in which one is interphase in which the cell grow and accumulate nutrition, along with this cell duplicates its genome. Second phase is M-phase in which cell division takes place.
Cell division helps cell in reproduction, growth and repair.
Thus, the correct option is b, as nutrition as it is not a result of cell division.
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Which term means a volume of a certain rock type of a specific age?
x geologic map
geologic unit
contact
O fault line
The answer is geologic unit
Thanks. :) this is really :)
a response to changes in an ecosystem that results in entire populations moving from one ecosystem to another.
I’m looking for the word for this definition ^
Answer:
this is a tough one try to remember specific examples from you instructor but for reference when a forest catches fire almost all life moves or dies however producers and decomposes leave behind seeds and will take the new place of the forest since the decomposes can add nutrients to the soil from dead organisms.
how do neurons transmit signals throughout the body?
Answer:
When neurons communicate, an electric impulse triggers the realease of neurotransmitters from the axon into the synapse. The neurotransmitters cross the synapse and bind to special molecules on the other side ,called receptors. Receptors are located on the dendrites. Receptors receive And process the messages
Why is hypertension, or high blood pressure, a serious health risk?
A plant biologist is asked to develop strawberry plants with larger, sweeter berries. Through selective breeding, the biologist successfully produces the new strawberry plant.
What is one method the biologist can use to produce many identical strawberry plants of the same kind
Answer: Clonal progagation
Explanation:
Clonal propagation involves the production of identical individual without the fusion of germ cells. It can be multiplication through stem and other plants part such as leaves.
Strawberry as a fruits can be multiplied using the stems thus preventing the germ cells from genetic recombination that could lead to the formation of entirely new plants. It does not involve the union of male and female germ cells.
Describe the interactions between transcription factors and promoter sites that lead to the initiation of transcription. Predict the effect of adding negative regulation molecules to the interaction.
Answer:
A genetic sequence, the TATA box, is a transcriptions start site and initiates transcription through the formation of RNA polymerase. Negative regulation may inhibit the initiation of transcription and/or repress gene expression.
Explanation:
proteins called transcription factors bind to the TATA box, this triggers RNA polymerase to start synthesizing RNA to DNA