Numerous alien species are made easier to establish and spread, and climate change gives them more chances to expand and become invasive.
A short-term rise in shifting conditions may make it easier for alien plant species to establish themselves over time, according to some studies. Accelerating anthropogenic climate change could be detrimental to species with slow generation rates and limited ability to expand their range. Species that can swiftly change their ranges may have an advantage.
The most effective invaders are typically species that are widely distributed along a latitudinal axis and can thus endure a variety of climatic conditions. The destabilisation of the environment brought on by climate change, which is promoting the spread of invasive species, is known as the climate change and invasive species relationship. Numerous ecosystems have shown evidence of increased warmth and precipitation as a result of anthropocentric climate change.
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What are 3 example for:
positive and beneficial mutation
Negative and harmful mutation
Neutral mutation
Examples of positive and beneficial mutation:
Antibiotic resistance by bacteriaAlmond tree gene mutationHumans immunity to HIVExamples of negative and harmful mutation
Cystic fibrosisFrame shift mutationCancerExamples of neutral mutation;
Bovine and human insulinSilent point mutationMissense mutationWhat are mutation?Mutations are results from change in gene structures that leads to variations in form that can be transferred or passed down to generations. This is usually caused by alterations in the single base unit of DNAs by insertion, deletion or rearrangement of genes or chromosomes.
Positive and beneficial mutations result in retained from of adaptation like antibiotic resistance by bacteria, harmful mutation causes harm such as cancer, while neutral has little or no effect example, silent mutations.
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Which of the following correctly shows the sequence of organelles a protein would take if it were being exported from the cell?
(1 point)
O Ribosome → Smooth ER + Vesicle — Cell Membrane → Vesicle → Rough ER
Smooth ER Vesicle → Golgi apparatus → Rough ER → Vesicle → Nucleus
Ribosome > Vesicle - Rough ER → Vesicle → Golgi Apparatus → Cell Membrane
O Ribosome - Rough ER → Vesicle - Golgi Apparatus → Vesicle + Cell Membrane
When a protein leaves the cell, the proper pathway is Ribosome - Rough ER - Vesicle - Golgi Apparatus - Vesicle + Cell Membrane.
What is membrane trafficking?
Proteins and other macromolecules are transported throughout the cell and released into or internalized from the extracellular space via membrane trafficking. Membrane-bound vesicles serve as transport mediators in membrane trafficking.Trafficking of protein pathway:
By translating the matching messenger RNA (mRNA) sequences into polypeptides in the ribosomes, proteins are created (translated).The production, processing, and transport of proteins and lipids all depend on the system of endomembrane, which is a system of membranous parts inside the cell.The endoplasmic reticulum (ER), Golgi apparatus, and lysosomes are components of this system.The endomembrane system's components can exchange membrane components with one another and with the cell membrane in the vesicles, which are membrane-bound sacs.Hence the pathway of protein exporting.
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Which of Jackie’s actions would violate proper laboratory safety? alerting the teacher about large shards of glass on the floor replacing a beaker that had a crack in the top moving his chemicals away from the lighted Bunsen burner using his mouth to pipette the correct amount of solution into a pipette
Answer:
D
Explanation:
Solution
A: You have to alert someone if there is glass on the floor. Consider the kind of shoes that most people wear. It would be a disaster to be cut by something that had contained a chemical. The action is true and therefore A is not the answer.
B: You always replace any glass wear that is cracked. What if it breaks, then what. The answer is a correct answer, and therefore you would not pick B.
C: You always treat fire with care. It's not C.
D: I don't know about you, but I'd be awfully careful about putting my mouth over something that I'm not sure what it would do if I accidently swallowed the contents of the pipette. D is not a good procedure, but it is the answer.
Why is cyanide a universal poison effective in all organisms with mitochondria?
Answer:
For every organism where mitochondria act as a powerhouse of a cell, ATP that is Adenosine Tri Phosphate is produced during aerobic respiration (i.e respiration that takes place in presence of oxygen). Cyanide interrupts this chain thus ATP production staggers which will further weaken the mitochondria and will bring metabolic reactions to an end.
Cyanide is a deadly poison that can disperse itself so fast that it can dispense throughout the body in a matter of seconds as it prevents the cell from the usage of oxygen.
Cyanide is a deadly poison that can disperse itself so fast that it can dispense throughout the body in a matter of seconds as it prevents the cell from the usage of oxygen.
what are cyanides?
Cyanides are fast-acting poisons that can be lethal. They were used as chemical weapons for the first time in World War I. Low levels of cyanides are found in nature and in products we commonly eat and use. Cyanides can be produced by certain bacteria, fungi and algae. Cyanides are also found in cigarette smoke, in vehicle exhaust, and in foods such as spinach, bamboo shoots, almonds, lima beans, fruit pits and tapioca.
Moving away from the point of exposure to fresh air is an important first step in treating cyanide exposure. Cyanide poisoning can be further treated by medical professionals. Often patients are given oxygen.
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If a red cow (homozygous dominant) is crossed with a white cow (homozygous dominant), what alleles will the offspring have?
Rw
RW
rW
rw
Question and Answer:
If a red cow (homozygous dominant) is crossed with a white cow (homozygous dominant), what alleles will the offspring have?
A. Rw
B. RW
C. rW
D. rw
Explanation:
This is because they are both dominant
Hope this helps:)
Answer:
its B
Explanation:
5. tRNA is found in the (nucleus/cytoplasm).
Explanation:
It occurs in NUCLEUS
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Which process causes the factored form over the ocean and move toward the land move one process into each box to complete the model
I really don't know
Explanation:
How does hunting support conservation efforts?
A. Most animals rely on feeding spots set up by hunters
B. Hunter support conservation through tax dollars
C. Hunters plant a tree for every animal killed in the field
D. Hunters donate money to conservation efforts frequently
The option (B) is correct. Hunter support conservation through tax dollars.
What is conservation?Conservation biology is the study of the conservation of nature and of Earth's biodiversity with the aim of protecting species, their habitats, and ecosystems from excessive rates of extinction and the erosion of biotic interactions.
Moreover, conservation biology has two central goals: 1. to evaluate human impacts on biological diversity and 2. to develop practical approaches to prevent the extinction of species.
Therefore, important characteristics of conservation biology are that it is a crisis discipline and it is holistic. It needs integration of research and management, and a range of relevant skills, along with flexible funding to allow for inevitable changes in conservation research programmers.
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in gold rush for algae What technological solutions have already been tried?
Some technological solutions that have been tried in the gold rush for algae in the production of biofuels include the use of closed bioreactors.
What is the gold rush for algae?The gold rush for algae refers to the rush to cultivate and used algae to produce important biofuels that are required for several industrial processes.
Algae are photosynthetic eukaryotic and prokaryotic cells that produce an oily byproduct that includes various oils and ethanol that can be converted into advanced biofuels.
Various companies and industries are trying to utilize algae for the purpose of producing important biofuels. They aim to grow algae in close bioreactors in order to maximize the yield of biofuels from algae.
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Use Newton's Second Law to calculate the mass of an object with a net
force of 19,000 N accelerating at 10 m/s/s.
O 1,900 N
O 1,900 kg
O 190,000 kg
O 1.9 kg
The graph shows the change in the duration of the sea-ice melt season in attic from 1980 to 2015. The blue band represents the time between when ice began to melt and when it froze each year. Which conclusion can you draw from the graph?
Answer:C
Explanation:
Which of the following molecules does not function as genetic information used for protein
synthesis?
A
Amino acids
B Messenger RNA
C DNA
D Transfer RNA
Answer:
A. Amino acids
Explanation:
Hope this helps!
This is really important, I need it asap
Option B energy is released when bond in ATP are broken and stored in sugar when bond forms.
The mild unbiased process takes location withinside the stroma of the chloroplast. Carbon dioxide is changed via way of means of collection of chemical reactions to shape carbohydrates.
The power for those reactions comes from ATP and NADPH generated for the duration of the mild structured process.
Energy from ATP and NADPH lessen the 3PG molecules to shape every other three carbon compound, glyceraldehyde-three-phosphate (G3P). Two G3P molecules are eliminated from the cycle and in the long run come to be one glucose molecule.
The different 10 molecules of G3P are transformed again to RuBP molecules, prepared to simply accept CO2 and begin the cycle again.
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4. Cephalopods swim by means of jet propulsion. What is the structure that helps them move that way? 0 siphon O radula 0 sepia 0 nephridia
Answer:
Siphon
Explanation:
The siphon propels the squid through the water in the opposite direction to which the siphon is pointing, much like jet propulsion.
Patrick is a 16 year old boy whose body has stopped producing osteoclasts. What does this mean for his bones? What other parts of his body will be affected by this?
This means for his bones that his bones will become weak and brittle. Other parts of his body like the hip, wrist, and spine will be affected by this.
Osteoclasts weaken brittle bones, making them prone to breaking from even minor stresses like coughing or stooping. The most frequent locations for fractures caused by osteoclasts are the hip, wrist, or spine. Bone is a living tissue that constantly degrades and is replaced.
By increasing their resorptive activity and destroying bone to initiate normal bone repair, the cells known as osteoclasts mediate bone loss in pathologic circumstances. They develop from progenitors of the myeloid/monocyte lineage that circulate in the bloodstream after maturing in the bone marrow.
Osteoblasts create bone; osteocytes mature it, and osteoclasts degrade and reabsorb it.
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What is the R Group?
Explanation:
R group: An abbreviation for any group in which a carbon or hydrogen atom is attached to the rest of the molecule. Sometimes used more loosely, to include other elements such as halogens, oxygen, or nitrogen.
Bat activity can be affected by artificial lighting. Because bats often rest during the day and hunt at night, they use their sense of hearing to help locate prey in the dark. A hunting bat emits high-pitched sound waves that reflect off insects. The external structure of the bat′s ear, which is composed of cartilage, funnels the reflected sound waves to the inner ear. The bat′s brain then identifies the location of an insect based on the amount of time it takes for the reflected sound waves to reach the bat′s ears. A group of researchers set up a study using white, green, and red lights in an otherwise dark natural habitat. The researchers measured the activity of two types of bats by recording the number of times a bat passed by. The researchers took measurements for five days in both early summer and late summer for four years.
Use the information above to determine which systems interact with each other when a bat hunts. Select the two correct answers.
A)The bat′s nervous system tells the bat where its prey is located.
B)The bat′s muscular system allows the bat to fly and catch the prey.
C)The bat uses its respiratory system to produce sounds.
D)The bat can use its skeletal system to produce sounds and locate prey.
E)The bat can use its nervous system to fly and catch prey.
The information which describes how systems interact with each other when a bat hunts include the following below:
A)The bat′s nervous system tells the bat where its prey is located.
D)The bat can use its skeletal system to produce sounds and locate prey.
What is Skeletal system?This is the type of system which comprises of bones, cartilages etc and is majorly involved in the movement of parts of the body such as the legs, hands etc. This system is also responsible for performing daily activities such as searching for food.
According to the information provided in which we were told how a bat hunts, it uses the skeletal system to produce sounds and locate its prey while the nervous system tells the bat where its prey is located through stimuli.
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Neptune has 14 moons. Moons usually orbit a planet or dwarf planet, though some have been observed orbiting asteroids. What role, if any, does gravity play when it comes to a body’s orbit? Explain.
The role that gravity plays when it comes to a body’s orbit is that it holds the body in orbit and prevents it from falling into other celestial bodies which may cause harmful consequences.
What is Gravity?This is referred to as a type of force which draws a planet or other body towards the center of the earth and it is responsible for the moon being in orbit around Earth.
This also holds the body in orbit and prevents it from falling into other celestial bodies which could cause serious harm and consequences thereby making it the correct choice.
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What’s the correct answer answer asap for brainlist
Active transport uses energy.
Active transport is defined as the movement of molecules from a lower concentration region to a higher concentration region against a gradient or an obstacle using external energy. Active transport is an energy-driven process in which membrane proteins transport molecules across cells. These mechanisms are classified as either primary or secondary depending on how energy is coupled to fuel them.
Active transportation is classified into two types: primary and secondary active transportation. The primary active transport is uniport, whereas the secondary active transport couples the uphill transfer of molecules across the membrane with the downhill transfer of an ion or other molecule.
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What is the role of the central
nervous system in this model?
O coordinator
O effector
O response
O stimuli
one of the role of CNS is to send signal to the brain or it responds to stimuli
6. Phenylketonuria (PKU) is an inherited disease determined by a recessive allele. If
a woman and her husband are both carriers, what is the probability of their
offspring having phenylketonuria?
Answer:
25%
Explanation:
Phenylketonuria is inherited as autosomal recessive trait . Since both the woman and her husband are the carrier of the disease their genotype would be Aa , where A is the dominant allele and a is recessive.
We can make a Punnet square as ,
[tex]\boxed{\begin{array}{c|c|c} \sf{ } & \sf A &\sf a \\\\ \sf A & \sf AA &\sf Aa \\\\ \sf a & \sf Aa &\sf aa \end{array}}[/tex]
From this , we can see that only one offspring would receive both the recessive allele and would be affected from the disease.
Hence the probability of their offspring of having PKU will be ,
[tex]\longrightarrow\sf \dfrac{1}{4}\times 100 =\boxed{\bf 25\% } [/tex]
40 Points!! Do not Steal or immediate Ban
Fill in the 2 pages ( bullet the blanks or number them )
Evolution is the change in the hereditary characteristics of a population of living things from one generation to another.
What is natural evolution?Darwin defined evolution as "descent with modification," the idea that species change over time, give rise to new species and share a common ancestor. The mechanism that Darwin proposed for evolution is natural selection.
Artificial selection is the process of crossing conducted by humans in order to select desirable traits in animals and plants. These features could be, for example, increased production of meat, milk, wool, silk or fruit. The theory of Natural selection is one of the main points of the theory proposed by Charles Darwin. According to natural selection, the fittest organism survives and passes its traits on to offspring, thus ensuring that advantageous traits settle in a population.
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