Answer:
compare the DNA of two organisms
Explanation:
Which type of invasive species is more successful at outcompeting native species?
O Specialist species
O Generalist species
Or-selected species
O K-selected species
The type of invasive species is more successful at outcompeting native species is option C: r-selected species.
What gives these invasive species their success?Because they can reproduce and expand quickly or because their new environment is devoid of any natural predators or pests, invasive species are frequently successful in their new ecosystems. Therefore, invasive species have the potential to endanger native species and interfere with crucial ecosystem processes.
Therefore, The majority of invasive species are chosen because they have a high capacity for reproduction and develop rapidly. They can quickly colonize new areas as a result, and they may even outcompete local specialist species.
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When homologous chromosomes cross over, what is the result?.
Answer:
a hybrid chromosome with a unique pattern of genetic material
Explanation:
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pls mark brainliest
True or false? the driving force for the unloading of oxygen from hemoglobin into tissues is the difference in pco2 levels between the blood and body tissues.
Answer:
False. The driving for is the partial pressure gradient of O2 (PO2 difference), not the PCO2 gradient.
However, keep in mind that an increase in PCO2 can facilitate the unbinding of oxygen from hemoglobin. This is due to a decrease in pH associated with PCO2 increase. The H+ ions bind to hemoglobin and decrease it's affinity for oxygen, this is called the bohr effect. But the PCO2 is not the main driving force of oxygen unbinding.
Which layer of the meninges surrounding the brain resembles a spider web?.
Answer:
The middle layer of meninges is arachnoid, which resembles a cobweb in appearance, is a thin layer with numerous threadlike strands that attach it to the innermost layer. The space under the arachnoid, the subarachnoid space, is filled with cerebrospinal fluid and contains blood vessels
Explanation:
Given below are some characteristics of invertebrates.
a. Shell made of calcium carbonate
b. Jointed legs
c. Spiny body covering
d. Two-layered body (diploblastic) e.Chitinous exoskeleton
(i) Out of above what are the characteristics shown by grasshoppers?
somone please answer
which pair of structures would provide a positive identification of a plant cell under a microscope?
A. Cell wall, mitochondria
B. Ribosomes, chloroplasts
C. Plasma membrane, large central vacuole
D. Cell wall, chloroplasts
Explanation:
1. The plant cells differ with the animal cells with respect to some points.
2. Firstly, the presence of cell walls are exclusive for plants and totally absent in animals.
3. Secondly, the presence of chloroplasts or plastids is exclusive for plants.
4. Thirdly, vacuoles are huge in plant cells, but smaller in animals. They give extra support to each cells for standing, and also to store several excretory products.
Answer is-D. Cell wall, chloroplasts
Please help!!! I need help with this question
Answer:
The answer is C. Hope this helped you out!
Why is it that mutations to
body cells do not affect offspring?
Answer:
Since all cells in our body contain DNA
Explanation:
Since all cells in our body contain DNA, there are lots of places for mutations to occur; however, some mutations cannot be passed on to offspring and do not matter for evolution. Somatic mutations occur in non-reproductive cells and won’t be passed onto offspring. Its seeds will not carry the mutation. Somatic cells give rise to all non-germline tissues. Mutations in somatic cells are called somatic mutations. Because they do not occur in cells that give rise to gametes, the mutation is not passed along to the next generation by s means.
Wether a horse is a tame animal or not?
Answer:
uhhhh it just depends
Explanation:
What changes must humans make to protect the environment
Answer:
According to climate experts, it is urgent to fight the growth of the greenhouse effect, which, by contributing to the excessive warming of the planet, threatens its ecological balance. From the reduction of fossil fuel consumption to the geological storage of CO2, many solutions are envisaged to preserve a balance threatened by increasing industrialization and the development of transport.
Reducing CO2 emissions requires simultaneous action on several fronts: controlling energy demand, improving energy efficiency during production and conversion of fossil fuels, replacing fossil fuels with energy containing less or carbon and the establishment of a market for tradable CO2 emissions permits.
A new way to fight greenhouse gases is the capture of these gases from its source of production and its storage in the underground, appears as a promising solution to face the risk of climate change. Major scientific breakthroughs are expected in this area.
Explanation:
In what order do the changes in the succession of an ecosystem occur?
An example of succession is a landslide is produced, then lichens grow, this leads to the accumulation of thin soil, which finally leads to a mature community.
What is succession?Succession is an ecological process associated with the renewal of the ecosystem after a disturbance.
The process of succession is fundamental for reaching the homeostasis (internal equilibrium) of the ecosystem.
The succession may involve the emergence of new species in the ecosystem after disturbance.
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All the offspring of a cross between a black-eyed fly and an orange-eyed fly have black eyes. This means that the allele for black eyes is _________ the allele for orange eyes.
Constrictions in the vocal tract will raise or lower the formant frequency. How is the first formant frequency, which is also known as F1, lowered
The formant frequency can be lowered by raising the height of the tongue
What is formant frequency?Formant frequency refers to the resonant frequencies of sound signals which are produced during speech, playing of musical instruments or when singing.
The first formant frequency is known as F1.
Movements of the vocal tract will raise or lower the formant frequency through constrictions of the vocal tract as well as movement of the tongue.
The formant frequency, which is also known as F1 can be lowered by raising the height of the tongue.
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the moon has a stronger influence on earths tides than the sun because the moon— a. is denser than the sun b. has more mass than the sun c. is much closer to earth d. moves much faster relative to earth
Answer: The correct answer would be C. Hope this helps!
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The mechanism of stabilizing the gfr based on the tendency of smooth muscle to contract when stretched is known as __________.
Answer: Increased blood volume and increased blood pressure will increase GFR. Constriction in the afferent arterioles going into the glomerulus and dilation of the efferent arterioles coming out of the glomerulus will decrease GFR. Hydrostatic pressure in the Bowman's capsule will work to decrease GFR
Explanation:
What elements are needed to carry out photosynthesis? Select all that apply.
water
solar energy
oxygen
carbon dioxide
glucose
carbohydrates
Answer:
Water, Solar energy, and Carbon Dioxide.
Explanation:
The overalll reaction of photosynthesis is 6CO2 + 6 H2O -> C6H12O6 (Glucose) + 6O2. This reaction is driven by energy in the form of electromagnetic radiation (light).
As we can see we need CO2, H2O, and light as reactants. And oxygen + glucose (carbohydrates) are our products.
How long do polar bear cubs stay with their mother.
Answer:
No more than 2.5 years.
Explanation:
A polar bear cub stays with its mother for no longer than 2.5 years until to cub will leave its mother.
What is different about the way molecules move in gases?
Answer: Below
Explanation:
The states of matter are related to the speed of molecules. Slow molecules become solid because there are less energy/heat in them, therefore less speed. Since they have less energy in them, the molecules are more bunched up. The term absolute zero is when molecules are at a complete stop. Solids are slow, therefore condensed. Liquids are medium, and can flow, while gases are fast and disperse fairly easily.
_____ is a plant’s movement or growth response toward light.
thigmotropism
phototropism
hydrotropism
gravitropism
Answer:
Brainliest pls
Explanation:
Phototropism
the answer is phototropism hope u get a 100% on whatever your doing :)
What are the minimal components needed for a virion?.
Answer:
The minimal components needed for a virion are capsid and genome.
Explanation:
The virions consist of a nucleic acid core that constitutes the genome, along with a surrounding protein shell, which is the capsid.
Hope this helps! Have an awesome day! :D
In seed-bearing plants, what structure becomes the seed following fertilization?.
The ovule becomes the seed.
Which of the following is an example of a favorable mutation
A) A mutation that gives a lizard an extra leg
B) A mutation that causes a bird's eye color to change
C) A mutation that causes a snow rabbit to have black fur
D) A mutation that causes a flower be more brightly colored
Answer:
D
Explanation:
insects are more attracted to brighter colored flowers
Jody notices a trend in the information in the table. the trend that she sees suggests that question 2 options: warm-blooded animals usually need to learn how to swim. animals born in water usually need to learn how to swim. warm-blooded animals usually know how to swim instinctively. animals born on land usually need to learn how to swim.
Since they lack adaptations for life in water, animals born on land usually need to learn how to swim.
Why are adaptations?Adaptations are special features and modifications in structure of an organism which helps the organism to be better suited to survive and reproduce in its environment.
All organisms have features that help them survive in their environment.
Land organisms usually have feet to walk on land.
Aquatic organisms have parts that help them swim in water.
Therefore, based on adaptations to their habitat, animals born on land usually need to learn how to swim.
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(a) Identify both the cellular component and the location of the component that is responsible for producing the luciferase protein from mRNAs transcribed in the plasmid-containing T lymphocytes. Explain what dictates to the lymphocytes the correct order in which amino acids should be linked to form the luciferase protein.
(b) Identify the independent variable in the experiment described. Identify the plasmid that was used as a negative control for luciferase activity. Justify including the plasmid with the non-CD3γ active promoter in the experiments.
(c) Identify the plasmid that must contain the CD3γ core promoter sequence but the fewest or no negative regulatory sequences. Based on the data in Figure 2, describe the most likely cause of the variation in luciferase activity among the cells that contain plasmids pCD3γ-419, pCD3γ-309, pCD3γ-239, and pCD3γ-199. Calculate the approximate percent increase in luciferase activity between cells containing plasmid pCD3γ-59 and cells containing plasmid pCD3γ-149. Round to the nearest whole number.
(d) Predict the most likely observed level of luciferase activity if plasmid pCDγ3-789 is introduced into nonlymphoid cells such as a line of kidney tissue cells. Provide reasoning to justify your prediction.
Ribosomes are the organelles that is resposnible for the production of luciferase.
Where luciferase is produced?Luciferase is produced by ribosomes in the cytoplasm of the cell or in the cytosol of the lymphocytes. This indicates the sequence of nucleotides in the messager RNA gives message to the amino acid sequence of luciferase.
So we can conclude that ribosomes are the organelles that is resposnible for the production of luciferase.
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The water cycle is an important part of how Earth supports life. During the water cycle, water passes through many different kinds of plants, animals, and soil organisms. In many of these steps, the water is cleaned and made safe for humans to drink. What would most likely happen to the drinking water if the level of biodiversity in an ecosystem decreased?
A- The water would be less clean because there would be fewer kinds of organisms to clean it.
B-There would be more water because it would be passing through many different kinds of species.
C-The water would be more clean because there would be fewer kinds of organisms to clean it.
D-There would be less water because it would be passing through many different kinds of species.
Answer:b?
Explanation:
Answer:
A The water would be less clean because there would be fewer kinds of organisms to clean it.
Explanation:
What is the structure that makes bacteria unable to properly read and make protein from human dna?.
Answer:
The right answer is introns. Prokaryotic genes are usually devoid of introns and so while cloning human DNA for its expression and protein production in bacteria.
Explanation:
Does this help you???
i need help please i really don´t know
Answer:
It's B
Explanation:
I just looked up the answer.
Hope it helps.
After you have written your research question and thesis statement, submit them to your teacher for review and feedback. Then, schedule a meeting with your teacher to discuss your presentation topic. You should be prepared to answer these questions:
What topic are you curious about and why?
How can you learn more about this topic? (investigate/research)
What important questions will you ask to guide your investigation?
What types of resources will you use?
Describe how resources support a position.
Use the space below to write notes and any feedback your teacher gives you during the discussion. If you cannot have a meeting with your teacher, write down your answers to the questions above.
Answer:
Step 1: Prewriting and Choosing a Topic. Prewriting can help you take a general topic and make it more specific. ...
Step 2: Researching. Researching your subject is an important step in writing because it helps you narrow your focus. ...
Step 3: Outlining. ...
Step 4: Drafting. ...
Step 5: Revising.
Explanation:
Important applications of polymerase chain reaction (PCR) include the following with the general exception of: ________
Answer:
The answer would be search for mutations with large deletions.
Explanation:
The reason why is becasuse what Polymerase Chain Reaction (PCR) does is amplify specific regions of DNA. PCR often is used to test for viruses like SARS-CoV-2 along with other infectious diseases.
Hope this helps.
Where does fertilization occur in the female reproductive tract?.
Answer:
The Fallopian Tube