Answer:
a way to inform conservation efforts based on genetic information from species
Explanation:
Genetic studies in wildlife and captivity species provide significant information to understand aspects regarding the biology and ecology of species, especially endangered species. Many discoveries have been useful to solve several taxonomic issues, determine the risk of diseases, and explain reproductive problems, among other problems. What is even more important is that genetic knowledge helps to plan management programs and conservation. Together with other areas related to behavior and conservation, genetic knowledge provides the basis to carry out successful conservation strategies.
any 2 characteristics of columnar epithelium
What is one way private citizens can help conserve natural resources?
Answer:
By reducing their use of energy, water, and waste services
A plant does not grow when its apical meristem is cut. justify the statement
Answer:
Apical Meristem undergo rapid cell division ,hence is responsible for growth in height of the plant and is found on the tip of the plant. So, if apical meristem is either damaged or cut, growth can't take place and the plant will stop growing
Explanation:
Apical meristem undergo through rapid cell division, thus it is responsible for growth of height and if the meristem is cut the growth stops.
What is apical meristem?Apical meristem is defined as the region of cells responsible for the division and growth in the root and shoot tips in plants.
Apical meristems are special zones of growth present at the tips of plants and these are responsible for the growth of shoots and roots and shows primary plant body.
The main function of apical meristem is growth of plant and unlike undifferentiated plant cells, differentiated plant cells generally cannot divide and produce different types of cells.
There are mainly two types of apical meristem and these are shoot apical meristem (SAM) and root apical meristem ( RAM).
Therefore,Apical meristem undergo through rapid cell division, thus it is responsible for growth of height and if the meristem is cut the growth stops.
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Which process allows a bacterium to take DNA from its environment and add it to its own genome?
Answer:
b transformation
Explanation:
In transformation, a bacterium takes up a piece of DNA floating in its environment. In transduction, DNA is accidentally moved from one bacterium to another by a virus. In conjugation, DNA is transferred between bacteria through a tube between cells.
ASAP
The cell cycle occurs in which order?
A. G1, S, G2, Cytokinesis, Mitosis
B. G1, S, G2, Mitosis, Cytokinesis
C. S, G1, Mitosis, G2, Cytokinesis
D. S, G1, G2, Mitosis, Cytokinesis
Answer:
B. G1, S, G2, Mitosis, Cytokinesis
Explanation:
G1 is the first stage of the cell cycle, and it is essential for cell growth.
Next, the S (Synthesis) phase occurs. This phase involves DNA synthesis to prepare the cell for division.
G2 is the next phase, and it involves preparing and growing the cell for mitosis.
Mitosis is the next stage, where the cell divides into 2.
Lastly, Cytokinesis occurs after mitosis, and it creates the two daughter cells.
So, the correct answer is B. G1, S, G2, Mitosis, Cytokinesis
How can evidence from an experiment be explained in relationship to the hypothesis?
• as a prediction
• as a question
• as an inference
• as a conclusion
Answer:
As a conclusion
Explanation:
A hypothesis is a tentative statement about the relationship between two or more variables. It is a specific, testable prediction about what you expect to happen in a study. A hypothesis is a prediction based on the theory being tested. The evidence can support the Hypothesis or invalidate the Hypothesis.
Answer:
A conclusion
Explanation:
It sums up everything that you did
Why do oxygen levels drop sharply during eutrophication?
Explanation:
during eutrophication, there is a presence of excess algae in the water body. this causes an excess overconsumption of available organic materials by algae, causing the oxygen levels to reduce rapidly.
When the algae population grows rapidly, it may hinder sunlight from reaching other lifeforms and cause dissolved oxygen levels to fall.
What is eutrophication?Eutrophication is the substantial increase in phosphorus, nitrogen, and other organic material in an ageing aquatic environment such as a lake.
As the amount of organic material that can be subdivided into nutrients increases, so does the efficiency or fertility of such an ecosystem.
When the algae population grows rapidly, it may prevent sunshine from reaching other organisms and cause dissolved oxygen levels to fall.
The primary environmental impacts of eutrophication are an increase in suspended particles caused by extensive macroalgal blooms, a decrease in water clarity, and an increase in precipitation rate, which has resulted in the destruction of benthic habitat due to shading of submerged vegetation.
Thus, this way, oxygen levels drop sharply during eutrophication.
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ASAP
What hormone(s) do Ovaries produce?
A. Progesterone
B. Testosterone
C. Testosterone and Estrogen
D. Progesterone and Estrogen
Answer:
Progesterone and estrogen
Answer: Progesterone and Estrogen
Explanation: Is what they produce
Isabel's first car had a manual stick shift. After many years of driving an automatic car, she needs to use her sister's car, which also has a stick
shift. Isabel takes a few minutes to get used to shifting gears. Which memory system Is she using to recall this information?
• A. episodic memory
O B. procedural memory
• C.
semantic memory
)D.
sensory memory
Answer:
Procedural memory
Explanation:
Isabel has to recall the information about using a manual stick shift. For this reason, she is using long-term, explicit, declarative and episodic memory system.
Human memory system can be broadly classified as: sensory memory, short-term memory and long-term memory.
Long-term memory is used to recall information. If the information are about facts, events and experiences then explicit, declarative and episodic memory helps to recall all information. This will help Isabel to recall all information about driving a car with a manual stick shift and she will be able to drive her sister's car.
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Question
Use the text to identify the sentences with evidence that matches the claim.
Claim 1 --> Tropical rainforests contain more biodiversity than all other biomes.
1) Biodiversity refers to the total number of different species of all kinds living in an area.
2) Tropical rainforests have many of the climate characteristics that organisms of different species need to grow, such as warm temperatures, plenty of rain, and many food sources.
3) There are large amounts of daily sunlight, which provides a great deal of energy to a variety of rainforest organisms.
4) Surprisingly, rain forest soil is very poor.
5) Due to the large amounts of rainfall, nutrients are leached out of the soil quickly.
6) Warm temperatures cause dead organisms to decay quickly, and the nutrients are then used by many different plants.
1, 2, 5
1, 2, 5
1, 3, 4
1, 3, 4
2, 3, 6
2, 3, 6
1, 4, 5
Answer:
44
Explanation:
44-7=55
What energy using-process helps to cool the body
Answer:
Convection
Explanation:
convection is the process of losing heat through the movement of air or water molecules
which statement correctly pairs the organelle with its function
Answer:
smooth endoplasmic, metabolism, lipids
Explanation:
these are the answers hope this helps you out.
Choose all the answers that apply. Grasslands o have less than 25cm of rain per year are used to grow cereal grasses are only found in the United States has the largest species diversity of all the biomes O are largely temperate
Which characteristics belong to a eukaryote?
is usually multicellular
contains a nucleus
contains one cell type
contains membrane-bound organelles
Answer:
all are correct... it all belongs to eukaryote
Answer:
[tex]{ \sf{ - \: is \: usually \: multicellular}} \\ { \sf{ - \: contains \: a \: nucleus}} \\ { \sf{ - \: contains \: one \: cell \: type}} \\ { \sf{ - \: contains \: membrane-bound \: organelles}}[/tex]
All the above is ✔
What do you mean by hypometrophia?
Answer:
Hypermetropia is also referred to as hyperopia or long-sightedness or far-sightedness. Hypermetropia is the condition of the eyes where the image of a nearby object is formed behind the retina. Here, the light is focused behind the retina instead of focusing on the retina
Which of the following is the primary method of controlling citrus canker?
quarantine and destruction of infected plants
treatment with fungicides
genetic modification of plant stock
treatment with herbicides
Answer:
genetic modification of plant stock
The negative effect humans have on the stability of the environment is mostly directly linked to an increase in
Explanation:
Machinery as an energy unit for agricultural work produces a negative impact on the environment on soils, waters and the atmosphere. ... In the exploitation process it exerts impacts such as: soil degradation, water pollution and pollution of the atmosphere.
ASAP Determine whether the statement is true or false and why. “We have discovered a series of humanoid fossils that are similar to humans, but not human. Each of these humanoid species dates to a different period in time becoming more human-like the closer to the present they are, showing a clear evolution into humans.”
A. False, it should read “We have discovered no series of humanoid fossils that are similar to humans, showing a clear lack of any transitional fossils as evidence of human evolution”
B. True
C. False, it should read “We have discovered a series of humanoid fossils that are similar to humans, but not human. Each of these humanoid species dates to a different period in time becoming less human-like the closer to the present they are, showing a clear evolution away from humans.”
D. False, it should read “We have discovered a series of humanoid fossils that are similar to humans, but not human. Each of these humanoid species dates to the same period in time, showing that many human-like species existed at once, but all went extinct.”
The statement is true.
Human evolution is a scientific term that refers to the process of biological evolution of the human species from its ancestors to the present.
The current knowledge of human evolution is the result of the convergence of various sciences such as:
Genetics.Physical anthropology.Paleontology.Geochronology.Archeology.Linguistics.The results of various studies relate the current human species as a result of multiple evolutionary processes of hominimus species, ardipithecus, australopithecus, and homo that through time improved different aspects until reaching the human species that exists today.
According to the above, what is described in the fragment presented is true because it presents a correct version of what happened in human evolution. Meanwhile, options A, C and D are incorrect because they do not present correct information regarding human evolution.
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ASAP
When you become too cold, your hypothalamus will signal what parts of your body to raise the temperature?
A. Muscles and kidneys
B. Skin and pancreas
C. Muscles and skin
D. Kidneys and lungs
Answer:
c
Explanation:
The muscle weakness of myasthenia gravis results from loss of acetylcholine receptors in the end-plate membrane. the motor neuron action potential being too small to shock the muscle fibers. insufficient acetylcholine release from presynaptic vesicles. excessive acetylcholinesterase that destroys the neurotransmitter. All of the answers probably contribute to the muscle weakness.
Answer:
The correct answer is ''loss of acetylcholine receptors in the end-plate membrane.''
Explanation:
Myasthenia gravis represents a human autoimmune disease. The neuromuscular junction abnormalities that occur in this disease are due to antibody-mediated processes. A reduction in the number of functional acetylcholine receptors on the postsynaptic membrane was established to contribute to the physiological abnormalities of myasthenia gravis. The reduction in receptors is due to immunological alterations directed against the acetylcholine receptor. Normally, when acetylcholine binds to its receptor, it opens allowing the rapid entry of cations, especially sodium. With this, the depolarization of the postsynaptic region of the muscle fiber occurs. Although acetylcholine is normally released in myasthenia gravis, it is not capable of causing an action potential in the muscle sufficient to initiate or weaken contraction. In patients with myasthenia gravis, failure to activate muscles is responsible for myasthenic fatigue. Most patients have elevated serum titers of antireceptor antibodies, which in turn accelerate receptor degradation.
Match the terms to their definition.
the number of individual
organisms born into a population in a given year
the movement of individuals out of a population
the number of individual organisms that die in a population in a given year
the movement of individuals into a population
Match the terms to their definition
The number of individual organisms born into a population in a given year is called birthrate.The movement of individuals out of a population is called emigration.The number of individual organisms that die in a population in a given year is called deathrate.The movement of individuals into a population is called immigration.Hope it helps you! ＼(^ᴥ^)／
Answer:
1 4 3 2
Explanation:
Which of the following statements about active transport is true?
Molecules move down the concentration gradient.
ATP is not required to move molecules through the membrane.
ATP is formed as molecules pass through protein channels.
It results in a higher concentration of molecules on one side of the membrane.
Answer:
It results in a higher concentration of molecules on one side of the membrane.
Explanation:
Active transport is the transport of molecules up the concentration gradient. This means that molecules are going from low density to high density. This is the opposite of natural diffusion. So, it requires ATP to move the molecules this way. Diffusion normally occurs to maintain homeostasis and an equal amount of concentration on both sides of a membrane. But, with active transport, since molecules are moving up the gradient, the opposite happens and the concentrations are unequal.
list and explain the advantages of 5 farming systems
If the results of an experiment are considered valid they will? A. Give the same nontestable results B. Give The same outcome when repeated C. Give different outcomes in different parts of the world D. give different results from repeated by different scientist
Answer:B
Explanation:
If it's valid, then it has substantial evidence to back up the results, which will be the same over and over again.
When many nucleotides link together, they form a biomolecule responsible for storing genetic information called a
Group of answer choices
protein.
nucleic acid.
retinal.
carbohydrate.
When many nucleotides link together, they form a biomolecule responsible for storing genetic information called nucleic acids. Thus, the correct option is B.
What are Nucleotides?Nucleotides may be defined as the basic unit of the polynucleotide chain of nucleic acids such as DNA or RNA. Each nucleotide is composed of three components. They are as follows:
A nitrogenous base.A pentose sugar (ribose in the case of RNA, and deoxyribose in the case of DNA).A phosphate group.Nucleotides are the monomers of nucleic acids. Each nucleotide is joined together by covalent bonds known as phosphodiester linkage. This linkage is present between the phosphate group of one nucleotide and the third carbon atom of the pentose sugar of next nucleotide.
Therefore, nucleic acids are formed when many nucleotides link together which are responsible for storing the genetic information.
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Which molecules in your body do
not contain carbon atoms?
Genes, which are made of DNA
Proteins
Sugars
Water
I'm pretty sure its water
Which of the following is NOT true of enzyme activity? a. enzyme shape may change during catalysis b. the active site on an enzyme orients its substrate molecules, therby promoting interaction of their reactive parts c. all enzymes have an active site where substrates are temporarily bound d. each enzyme can catalyze a wide variety of different reactions
Answer:
D. Each enzyme can catalyze a wide variety of different reactions
Explanation:
Each enzyme can only catalyze a few, specific types of reactions.
Since enzymes and substrates are very specific to one another, enzymes cannot catalyze a wide variety of reactions.
If a substrate is not the correct one that fits in the enzyme's active site, a reaction will not occur.
So, each enzyme can only assist in a few reactions.
The correct answer is D. Each enzyme can catalyze a wide variety of different reactions
Which of the following best defines gene flow?
the sum of all genetic traits in a population's individuals at a given time any movement of genes from one population to another any movement of organisms from one environment to another the random change in the frequency of an allele in a population
Gene flow — also called migration — is any movement of individuals, and/or the genetic material they carry, from one population to another. Gene flow includes lots of different kinds of events, such as pollen being blown to a new destination or people moving to new cities or countries.
Answer: any movement of genes from one population to another.
Explanation: :)
An ecosystem experiences a loss of denitrifying prokaryotes. Will this loss affect the health of the ecosystem?
yes it will, it will ruin the food chain
PLEASE HELP ME
Show the importance of the inheritance of how steps in meiosis change chromosomes through one of these processes.
Background: Meiosis is the process used by sexually reproducing organisms and is made up of eight sub-steps or phases. During meiosis, chromosomes can be changed through crossing over and nondisjunction leading to changes in the inherited traits of offspring.
Meiosis is the process that occurs in sexually reproducing organisms in the sex cells of male and female organisms.
Variation occurs in an organism due to the process of crossing over which only occurs in meiosis in which the chromosomes between non-sister chromatids exchanged. Meiosis also causes genetic variation due to the process of recombination so in inheritance, meiosis has great importance and impact on the shape and structure of organism.
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