The five things which bacteria need in order to survive are nutrition, temperature, acidity, oxygen and moisture.
Bacteria are single-celled microorganisms that are able to survive in a number of different conditions. Bacteria are mostly found almost everywhere in the environment.
Bacteria need basic conditions to survive which are nutrition, temperature, acidity, oxygen and moisture. Nutrition helps in bacteria to grow and provides energy.
Different bacterial types need different temperatures in order to grow. Most of the bacteria survive in low acidic or in neutral environments but also a lot of bacterial types which can survive in a wide spectrum of pH. Some bacteria do not require oxygen while some type of bacteria require oxygen in order to grow. Moisture also happens to boost bacterial growth.
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What do snails clams and squids have in common?
Answer: snails clams and squid have in common is MOLLUSKS
Explanation: MOLLUSKS an invertebrate of a large phylum which includes snails, slugs, mussels, and octopuses. They have a soft unsegmented body and live in aquatic or damp habitats, and most kinds have an external calcareous shell.usually wholly or partly enclosed in a calcium carbonate shell secreted by a soft mantle covering the body. Along with the insects and vertebrates, mollusks are one of the most diverse groups in the animal kingdom, with nearly 100,000
Which of the following is the correlation coefficient a researcher would most likely obtain between scores on a measure of exposure to media violence and scores on a measure of aggressive behavior?
- 0.80
- 0.00
- 0.30
- 1.00
A moderate correlation between exposure to media violence and aggressive behavior, with correlation coefficients often falling between 0.30 and 0.80. 0.80 is correct .
It is likely that a researcher would obtain a correlation coefficient between 0.30 and 0.80 between scores on a measure of exposure to media violence and scores on a measure of aggressive behavior. This is because research has consistently found a moderate correlation between exposure to media violence and aggressive behavior. However, it's important to note that correlation coefficients can vary depending on the specific measures used and the population being studied. A correlation coefficient of 0.00 would indicate no correlation between the two variables, while a correlation coefficient of 1.00 would indicate a perfect positive correlation.
Therefore, 0.80 would be the most likely correlation coefficient obtained by researcher.
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Help? I don't understand
Answer:
Secondary succession is more common and usually occurs faster than primary succession because the substrate is already present.
Explanation:
Hope it helped:)
When an individual's genotype has one normal allele and one mutant allele for a recessive phenotype (and hence, doesn't express the mutant phenotype), they are known as _____. sex-linked codominance incomplete dominanance carriers
Sex-related disorders are handed down through generations via the X or Y chromosome. The X and Y chromosomes are sex chromosomes. A heterozygous genotype is defined as an organism with one dominant allele and one recessive allele.
Dominant inheritance occurs when one parent's defective gene causes disease while the corresponding gene from the other parent is normal. The aberrant gene takes precedence.
However, in recessive inheritance, both matching genes must be faulty for illness to occur. If only one of the two genes is faulty, the illness does not arise or is mild. A carrier is someone who has one faulty gene but no symptoms. Carriers' offspring may inherit faulty genes.
Most commonly, the term "sex-linked recessive" refers to X-linked recessive.
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For every described currently living species of organism, there are about ________
fossil species.
O 2
O 1/6
O 100
O 6
O 1/100
For every described currently living species of organism, there are about 1/6 fossil species.
What is fossil species?Fossil species are species that have been preserved in the fossil record. Fossil species are usually the remains of ancient organisms that lived millions of years ago, and are found in sedimentary rocks. They provide a window into the evolutionary history of the Earth, and are important for understanding the relationships between extinct and living species. Fossil species are also used to reconstruct ancient environments and ecosystems. Fossil species can be identified by their morphology, or physical characteristics such as size and shape.
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Based on the data in the graph, altering human activity in which of the following areas will most benefit plant species
Based on the data in the graph, altering human activity in introduction of invasive species areas will most benefit plant species.
An introduced, nonnative organism (disease, parasite, plant, or animal) that starts to spread or widen its range away from the location of its initial introduction and has the potential to affect the environment, the economy, or human health is referred to as an invasive species.
Invasive species in the United States include Burmese pythons (Python bivittatus). Southeast Asia is the home of this enormous constrictor snake, which may reach lengths of more than 23 feet. However, it can currently be found in the Florida Everglades.
Invading animal habitats and resources all over the world, humans have basically turned into an invasive species. To make up for the ever-increasing population, people are moving into new areas and changing natural land.
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What is the best evidence we have for evolution ?
The continuity of the fossil record from ancient to contemporary times may be the strongest fossil evidence supporting evolution.
We don't find things like mammals in strata from the Devonian, the age of fishes, or human fossils alongside dinosaur remains anywhere on Earth. Evolution that is, common descent, gradualism, species diversification, and natural selection are the five hypotheses that Darwin united. A theory is an explanation for how a natural phenomenon functions that has undergone extensive testing through observations and experiments intended to establish the validity of the explanation. In this context, evolution might be considered both reality and a theory. The fact that creatures have altered or evolved over the course of Earth's history is undeniable.
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1.
Which of the following describes anaphase of mitosis?
Answer:
a
Explanation:
Can you help me I stressing out like every time I send it a link pops up like I want he answer
Answer:
I-3, II-2, III-2 are all definitely carriers
It is possible find the genotype of individual II-1 because the he inherited his father's y which does not carry the trait (because only x chromosomes have the trait) and his mother's x chromosome, but the mother is not a carrier.
Why do bees pollinate flowers?
А
They want to get to food in the flower.
B
They want to make seeds.
с
They want to help the flowers reproduce.
D
They want protection.
Answer:
A they want to get food in the flower
Choose all that apply - what are some problems associated with the
release of extra carbon dioxide?
killing corals
dying forests
global warming
famine for people
droughts
A condyle differs from an epicondyle in that the condyle ______. A) is often flat, whereas an epicondyle is round. B) is an attachment site for muscle
A condyle differs from an epicondyle in that the condyle helps form a joint. So the correct option is C.
Condyle and Epicondyle both refer to the part of long bones in animals. The smooth surface at the end of the bone which helps in the formation of a joint is called condyle however,
The Epicondyle is a rounded protuberance at the end of a bone which facilitates the attachment of ligaments, muscles and tendons.
Where condyle forms a smooth surface, epicondyle usually leads to rough projections.
Medial and lateral condyle are some examples for former while medial and lateral condyle of femur and humerus are some examples of epicondyle structure in bone.
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Full question: A condyle differs from an epicondyle in that the condyle ________
A) helps form a joint.
B) is a raised area above a joint.
C) is often flat, whereas an epicondyle is round. D) is an attachment site for muscles.
What do you think is the importance of food labels with nutrition?
Explanation:
It's importance is stating the nutritional value of the product and letting consumers know about any possible allergens
Which of the following does not contribute to bacteria's ability to evolve rapidly? A)Sexual reproduction. B)Genetic recombination. C)Mutation
Answer: A) Sexual reproduction
Explanation:
Bacteria cannot reproduce sexually. They instead exchange genetic information.
I will love you so much whoever can answer this please <3
In E. coli the tryptophan operon is controlled by attenuation. The beginning of the Trp mRNA has several codons for Trp in a row. When Trp amino acid is limiting, the mRNA ________?
a. is destroyed and the operon is not transcribed
b. basepairs to itself, allows RNA polymerase to continue transcribing the operon
c. basepairs to itself, blocking RNA polymerase from transcribing
d. attaches to the promotor sequence to activate RNA polymerase
When Trp amino acid is limiting, the mRNA basepairs to itself, blocking the RNA polymerase from transcribing the operon. So option c is correct.
Attenuation works by causing the mRNA to form a stem-loop structure that is recognized by the RNA polymerase. When the mRNA contains this loop, the RNA polymerase is blocked from transcribing the operon. This blocking mechanism turns off the production of proteins related to tryptophan, such as enzymes for its synthesis and transport, when tryptophan is in short supply.
The loop structure also prevents the mRNA from attaching to the promoter sequence, which normally activates the RNA polymerase. In other words, when tryptophan is limiting, the mRNA does not attach to the promotor sequence and the operon is not transcribed. The result is that the transcription of the tryptophan operon is inhibited when the cell senses that tryptophan is in short supply.
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the movement of chloroplasts remind me of....
The chloroplasts are these. Maintain a close eye out for any movement in the chloroplasts. Cytoplasmic streaming is the term for movement within a cell.
In both low-light and high-light conditions, efficient photosynthesis depends on chloroplast mobility. The aforementioned claim is true since chloroplasts are an organelle that travel throughout cells through cytoplasm. Every type of cell is filled with a thick fluid called cytoplasm, in which organelles are both suspended and free to move. The cytoplasm is the home of all organelles, including the nucleus, endoplasmic reticulum, chloroplasts, and mitochondria. We may infer that chloroplast is an organelle that moves inside the cell with the help of cytoplasm since the section of the cytoplasm that does not contain organelles is known as cytosol.
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Please answer I really need help
Answer:
1. Non-living
2. Reproduce
3. Nucleic acid
4. RNA
5. Protein
6. Capsid
7. Burst
8. Lytic
9. Lysogenic
Explanation:
Viruses are set of organisms classified as NON-LIVING (1) because they do not exhibit the characteristics that living things exhibit. Viruses are incapable of REPRODUCING (2) on their own, and hence, need a living host to infect in order to replicate itself.
In the structural composition of a virus, it is made up of only one type of NUCLEIC ACID (3), which can either be DNA or RNA (4). The nucleic acid is surrounded by a PROTEIN (5) coat called CAPSID (6).
There are two ways a virus can infect its host. First, it can replicate itself causing the host cell to BURST (7) or lyse in a process called LYTIC CYCLE (8). Also, the virus can remain dormant in the host cell and continually replicate with the host cell in a process called LYSOGENIC CYCLE (9).
Which of the following is true about drug therapy?Immersive Reader
(1 Point)
A.It is usually accompanied by electroshock treatments.
B.It involves four main types of psychoactive medications.
C.It is rarely effective without surgery.
D.It relies mostly on the placebo effect.
Answer:
definitely d it relies mostly on the placebo effect
Which statement best describes the
relationship between the mushrooms and the
log?
Answer:It is a parasitic relationship
Explanation:This is because the mushroom feeds of the Log and the log doesnt get anything in return
Answer:
(4)
Explanation:
Mushrooms grow on logs for their nutrients. Remember mushrooms are decomposers that is why they would use the log for nutrients. The tree is already dead and is rotting so it can’t produce oxygen and the log isn’t benefiting from the mushrooms since it’s dead
this is why the correct answer is (4) The mushrooms use the log as a food source.
In ( Blank ) interference, the energy of the combined wave is greater than the energy of each of the two waves.
In constructive interference, the energy of the combined wave is greater than the energy of each of the two waves.
A wave of greater, lower, or the same amplitude is created when two waves merge through interference by combining their displacements at all points in space and time. The interaction of waves that are coherent or correlated with one another, either because they originate from the same source or because their frequencies are similar or almost identical, leads to both constructive and destructive interference.
According to the principle of superposition of waves, the consequent amplitude at a place where two or more waves of the same kind are incident is equal to the vector sum of the amplitudes of the individual waves. Constructive interference occurs when the crests of two waves with the same frequency cross at the same location. In this case, the amplitude of each wave is equal to the sum of its individual amplitudes. Destructive interference occurs when the peak of one wave collides with the trough of another wave, resulting in an amplitude equal to the difference between the separate amplitudes.
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What are 3 causes of genetic variation?
Three factors that cause genetic variation are genetic mutations, genetic drift and random mating.
Genetic variations are defined as the changes which occur in the genetic sequence of the DNA. These genetic variations are very vital as they enable the living beings to evolve and therefore survive. The three factors bring about genetic variation are genetic mutations, genetic drift and random mating.
A genetic mutation can be defines as a change that occurs in the DNA sequence of a particular gene which leads to the formation of a different kind of product. Genetic drift is the alteration in allelic frequency by chance. Random mating can be defined as the mating between two individuals which is not dictated by the social or genetic preference.
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A mutation in the gene for plasmin that results in non-functional plasmin can cause: O thrombin to activate. O plasminogen to clot blood faster. O blood clots will not be dissolved. O no clotting will occur.
Blood clots may not dissolve due to plasmin gene mutations that produce inactive plasmin. Therefore, statement 3 is the chosen statement.
A zymogen that starts the fibrinolytic cascade is plasminogen. The plasminogen-to-plasmin conversion results in plasminogen activation. A proteolytic enzyme is a plasmin. It is a chemical that stimulates the breakdown of proteins made from an inert plasma precursor plasminogen. Blood clot fibrinolysis and the restoration of regular blood flow are the primary physiological functions of plasmin. In other words, it is a serine protease that dissolves fibrin blood clots. It is present in human serum.
Therefore, statement 3 is correct.
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Which is more appropriate?
a phytoplankton - fish - shark - whale
b shark - fish – krill – phytoplankton
c phytoplankton - seaweed - fish – whale
d phytoplankton - krill – fish –
Answer:
The answer is B.
Explanation:
If you are looking for biggest to smallest this is the answer. Or, who eats who.
Answer:
A
Explanation:
Phytoplankton and algae form the bases of aquatic food webs. They are eaten by primary consumers like zooplankton, small fish, and crustaceans. Then fish get eaten by large predators, such as sharks, tuna, squid and octopus as well as marine mammals like seals and some whales form the top of the food chain. Next a shark is eaten by a whale. These whales have been known to attack and eat everything from small fish and turtles to squid, seals, sea lions, and even large whales. Killer whales also hunt, attack, and eat sharks. That is a food chain from smallest to biggest :)
Each of the animal cells shown below is in a different stage of mitosis. Select the cell that is currently in metaphase.
Answer:
The first one is in metaphase
Explanation:
Answer:
Picture !!
Explanation:
I took the test
i know it’s late but i really need help
Answer:
C DNA and Protines
Explanation:Nuclear DNA does not appear in free linear strands; it is highly condensed and wrapped around nuclear proteins in order to fit inside the nucleus.
What are the different layers that protect the brain and spinal cord? bone cerebrospinal fluid muscle meningeal layers
Bones and cerebrospinal fluid make up the layers that protect the brain and spinal cord. The brain is the body's primary processing organ. It either directly or indirectly controls how the body functions.
Along with the spinal cord, the brain is a component of the CNS. The brain is divided into three sections: the forebrain, the midbrain, and the hindbrain.
Bones: The skull and vertebral column bones form a hard protective shell around the brain and spinal cord.
The meninges are located directly beneath the skull and vertebral column bones. The meninges are three layers of connective tissue that surround and protect the brain and spinal cord.
Cerebrospinal fluid (CSF): Inside the brain and spinal cord is a watery cushion. The Blood Brain Barrier is a filtering barrier that protects neurons from toxins in the bloodstream.
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What is an example of Mendelian trait that we find in humans?
Albinism and Huntington's disease are two instances of human autosomal Mendelian traits. Phenylketonuria is another example of a human mendelian trait: This illness is an illustration of a Mendelian trait since it is passed down from parents to children when both parents have heterozygous (Aa) and homozygous (Aa) circumstances.
Human characteristics known as Mendelian traits are those that are heavily influenced by Mendelian inheritance. Mendelian inheritance is the term used to describe how qualities that are regulated by a single gene with two alleles, one of which may be dominant to the other, are passed down from parent to child. Even though just a few human features are governed by a single gene with two alleles, they provide a solid foundation for learning about human heredity.
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In order to develop antibiotics, scientists need to understand how bacteria grow and reproduce. One factor that is essential for bacterial growth and reproduction is protein synthesis. By understanding how bacteria synthesize proteins, scientists can then attempt to develop antibiotics that block bacterial protein synthesis during an infection.
Which of the following questions will best direct an investigation on how to develop an antibiotic that inhibits protein synthesis in bacteria?
A. How can the formation of covalent bonds between amino acids be blocked?
B. How can the formation of hydrogen bonds between amino acids be blocked?
C. How can the phosphate end of the growing polypeptide chain be blocked?
D. How can the hydroxyl end of the growing polypeptide chain be blocked?
Answer:
A. How can the formation of covalent bonds between amino acids be blocked?
Explanation:
An antibiotic is any chemical substance that is active against certain bacteria. The majority of antibiotics that inhibit bacterial protein synthesis act by targeting the two subunits (30S and 50S) of the bacterial ribosomes, thereby stopping translation. The bond that binds two different amino acids is a covalent peptide bond produced when the carboxyl group of one amino acid residue reacts with the amino group of another amino acid to form a bond. Thus, amino acid residues are linked by peptide bonds at the carboxyl-terminus (C-terminus) of the growing polypeptide, and therefore when this binding is blocked, protein synthesis cannot progress.
A question that may direct antibiotic research is "How can the formation of covalent bonds between amino acids be blocked?"
Bacterial protein synthesisThe ribosome of a representative bacterium, Escherichia coli, has a coefficient of 70S sedimentation and consists of a 30S and a 50S subunit. THE 30S subunit contains a piece of the rRNA molecule with 16S and 21 proteins different, while the 50S subunit contains two pieces of rRNA, rRNA with 23S and rRNA with 5S and 34 different proteins.
With this information, we can conclude that the inhibitors of protein synthesis block the translation process at different stages.
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Find the edge length of the cube. (The density of copper is 8. 96 g/cm3, and the volume of a cube is equal to the edge length cubed. )
Express your answer with the appropriate units.
As a result, its edge length is 2.13 cm (because copper has a density of 8.96 g/cm3 and a cube's volume is equal to a edge length cubed).
(Cubic volume equals (edge length)3, and copper density equals 8.96 g/cm3) Tip: Mass is equal to the product of volume and density.From of the question, we may deduce that copper has a density of 8.96 g/cm3 and a volume of 2.62 cm3 for the piece of copper.A cube's volume is equal to its length, breadth, and height. However, because it is a cube, the length, breadth, & height all are equal and correspond to one of the cube's edges. Therefore, just find a cube root of a volume to get the length of a cube's edge.
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