Answer:
yes
Explanation:
Answer:
True
Explanation: The only atoms to change in an element are neutrons, which make it an Isotope. Both Protons and electrons stay the same
What two ways of dealing with invasive species are more cost effective than trying to control an established population?
A)
government policy and education
B)
government policy and early eradication
C)
early eradication and increased fish farms
D)
early eradication and education
E)
none of the above
Answer:
D
Explanation:YESSSIR
Answer: D) early eradication and education
Explanation:
Answer on edge
Sequence the steps to making recombinant DNA from 1 to 5.
20. The plasmid becomes part of a host cell's chromosome.
21. A DNA fragment is inserted into a plasmid.
22. The DNA fragment replicates during cell division.
23. The plasmid enters a host bacterial cell.
24. A host cell produces a protein that it would not have produced naturally.
Answer:
A DNA fragment is inserted into a plasmid.
The DNA fragment replicates during cell division.
The plasmid enters a host bacterial cell.
The plasmid becomes part of a host cell's chromosome.
A host cell produces a protein that it would not have produced naturally.
Explanation:
Recombinant DNA is the DNA molecules formed invitro or lab condition with the help of a plasmid, bacterial cell as host and a desirable gene or DNA fragment by the technique of genetic engineering or recombination. This is also known as molecular cloning.
The correct order of steps in the DNA recombination process are as follows:
The desired DNA fragment is inserted into a vector or plasmid.
The DNA fragment replicates during cell division.
The plasmid enters a cell of host bacterial
The plasmid becomes part of a host cell's chromosome.
A host cell produces a protein that it would not have produced naturally.
An element, such as gold or silver, is made up of how many different types of atoms?
A. 1
B. 2
C. 3
4.Copper is a good choice for wires because of its properties of
a. ductility and reactivity.
b. flammability and conductivity.
C. ductility and electrical conductivity.
d. thermal conductivity and malleability.
Answer:
Explanation:
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Which of the following is NOT an example of a density dependent factor? A. Half of a population of birds is killed in a forest fire. B. Logging cuts down a quarter of a habitat. C. A disease moves quickly through a population of rats. D. A pride of lions moves into the hunting territory of another group of lions looking for food.
Answer:
The correct answer is - A. Half of a population of birds is killed in a forest fire.
Explanation:
Density-dependent factors are the factors that have varied or different effects as per the population size. In other words, the factors that are not influenced by the density of the population is density-dependent factors. These factors include competition, disease, and predation.
This could have a positive or negative relation to the size of the population as they increase with the increase of population size. Natural disasters not include in it.
you find a litter of cats both parents and fathers cast of black you notice that 2 out of 8 or white how is this possible
What is the correct term for the production of specialized sex cells
Answer:
Meiosis
Explanation:
Meiosis is a cell division that takes place in the germ cells. The formation of human gametes is called gametogenesis.
In the process of meiosis, germ cells are formed from diploid, stem cells of spermatogonia and oogonia, ie. male and female gametes containing a haploid number of chromosomes, or half less than somatic ones. The importance of meiosis is reflected in the maintenance of a constant number of chromosomes from generation to generation.
Circulation to and from the lungs is referred to as
Answer:
pulmonary circulation
Explanation:
The pulmonary circulation moves the blood between the lungs and heart. Since the blood carries oxygen the heart pumps it to every body part including the lungs so we can maintain homeostasis.
Scientist perform ___ in order to ___ a given ___
Answer:
experiments, test, hypothesis
why life process lead to an increase in the number of organism
Answer:
my life kinda sucks maybe
Explanation:
but i have my nice family sry for not answer i have no brain so peace out
Explain the similarities and differences that exist between extinct species and humans.
Answer:
Difference Between Endangered Species and Threatened Species. ... what are the other causes apart from humans that can drive an entire species to ... When a species exist no longer, it is considered as extinct.
What two cell processes allow multicellular organisms to reproduce?
Answer:
Mitosis & sexual reproduction
Explanation:
Multicellular organisms depend on mitosis for growth and repair. When an animal, plant or other multicellular organism grows, it makes more cells through mitosis. Organisms can repair some of their tissues, using mitosis to regenerate new cells.
All of the following are correct about alcoholism except:
a) risks of developing alcoholism may be increased by high levels of stress.
b) it tends to run in families, indicating there is a genetic component to the disease.
c) its development is influenced by environmental factors.
d) the older a person is when alcohol consumption begins, the greater the likelihood that a drinking problem will eventually develop.
Answer: D. the older a person is when alcohol consumption begins, the greater the likelihood that a drinking problem will eventually develop.
Explanation:
Alcoholism is a chronic disease that simply means the uncontrolled drinking of alcohol. When someone is faced with alcoholism, such person cannot control his or her drinking.
When someone is stressed, this may lead to the risk of developing alcoholism. It can also be genetic and can be influenced by environmental factors. Its availability and its acceptance by the society could lead to alcoholism.
The correct option is D as age doesn't really have anything to do with the person having a drinking problem. A young person may have a drinking problem likewise an old person.
HELP ME PLEASE ITS URGENT THIS WAS DUE 5 MINUTES AGO
1. The Magnolia champaca is known for fragrant flowers and its timber is used in woodworking Use the information above to write a C.E.R paragraph to explain how this organism should be classified. Be sure to use the characteristics of life to support your claim. C = Make a claim (C) on which kingdom this organism belongs to. E = Use specific evidences (E) from the images above to support your claim. R Give your reasoning (R): Explain how and why your evidence supports the claim you made.
Answer:
it's C it's C it's C it's C it's c
Which type of human cells contain a half set of chromosomes (often written as n)?
Answer:
Gametes are the type of human cells that contain a half set of chromosomes.
Explanation:
In superior organisms that reproduce sexually, such as human beings, the somatic cells are diploid (2n), which means that each cell has a pair of equal chromosomes. The somatic cells are all the body cells excepting for the sexual ones, and they reproduce by the process of mitosis. These cells have a set of chromosomes inherited from the maternal side and another homologous set of chromosomes inherited from the paternal side. Hence, the number of chromosomes in these double sets of the somatic cells are diploid, 2n.
In humans, there are also sexual cells, which are haploid (n). These cells are the gametes, and they reproduce by the process of meiosis. Gametes contain half the number of chromosomes that might be found in the somatic cells. The number of chromosomes in this set is haploid, n.
Which of the following outcomes will most likely result from the irreversible binding of GDP to the G protein?
Answer:
The correct answer is - The intracellular concentration of glycogen will increase.
Explanation:
The intracellular concentration of glycogen will increase as the result of the irreversible binding of GDP to the G protein due to the not respond to the binding of norepinephrine to the beta-adrenergic receptor which prevents the separation of the G protein alpha subunit.
This leads to the activation of adenylyl cyclase. PKA will be lesser and glucose 1 phosphate as the dissociation of G protein will not take place and ultimately to glycogen accumulation.
The most likely result from the irreversible binding of GDP to the G protein results in an increase in intracellular concentration of glycogen.
G proteins are a group of proteins that operate as signaling molecules inside cells, conveying signals from various external stimuli to the cell's core. They govern their signaling cycle with the help of GDP.
In an irreversible binding of GDP to the G protein, the G protein is rendered inactive.The GDP is swapped by GTP to initiate the protein, and the G protein then sends out its signal.This results in an increase in the intracellular concentration of glycogen because of the non-response to norepinephrine binding and to the beta-adrenergic receptor, which inhibits the G protein alpha subunit from being separated.
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List two things that can increase genetic variation in meiosis and explain how they can impact the next generation of living things.
Please help :(
Crossing over and random fertilization can increase genetic variation.
What causes genetic variation?There are several causes of genetic variation, including:
Mutations: Changes in the DNA sequence can occur naturally and lead to the creation of new alleles. These mutations can happen spontaneously, or they can be caused by environmental factors such as radiation or certain chemicals.
Crossing-over: During meiosis, chromosomes can swap genetic material with their homologous pairs, leading to the creation of new combinations of alleles.
Independent assortment: During meiosis, the way the chromosomes line up and exchange genetic material can vary, leading to different combinations of alleles being passed on to the next generation.
Random fertilization: In sexually reproducing organisms, the combination of genetic material from sperm and egg cells is random, leading to new combinations of alleles being passed on to the next generation.
Gene flow: The movement of genes from one population to another can lead to the introduction of new alleles into a population.
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why are viruses referred to as obligate fuasites?
a. Viral DNA always inserts itself into host DNA,
b. They connot reproduce ouside of a host cell.
c- the must use anzymes ecoded by theviras itself.
d- they invariably kilang cell they infect,
Answer:
b. They cannot reproduce outside of a host cell.
Explanation:
Viruses are parasitic organisms that need a host in order to thrive and reproduce. This means that they cannot replicate outside of a host cell, but can only do this by parasitizing it. They have to find a host cell in order to continue their life-cycle or else they won't thrive. The word "obligate" means being restricted to a specific mode or function in life. This shows that the virus has a restriction when it comes to reproduction. It cannot reproduce without finding a host cell.
Why does a cell need a LOT of surface area compared to their volume?
Answer:
The surface area to volume ratio (SA:V) limits cell size because the bigger the cell gets, the less surface area it has for its size.
Explanation:
This is important if you are a cell that depends on diffusion through your cell wall to obtain oxygen, water, and food and get rid of carbon dioxide and waste materials.
What do goosebumps tell us about human evolution>
Answer:
The formation of goose bumps in humans under stress is considered to be a vestigial reflex. Its function in other apes is to raise the body's hair, and would have made human ancestors appear larger to scare off predators or to increase the amount of air trapped in the fur to make it more insulating.
Explanation:
Can Somebody Please Help Me With Homework
what is carbon dioxide??
Answer:
Carbon dioxide is a natural greenhouse gas, commonly produced by the air we exhale.
Explanation:
Molar mass: 44.01 g/mol
Formula: CO2
Boiling point: -109.2°F (-78.46°C)
Triple point temperature: -69.88°F (-56.6°C)
Soluble in: Water
Molecular geometry shape: linear
A pea plant that is heterozygous for the tall phenotype can produce short offspring when self-pollinating. Which of the following explains why this occurs?
Answer:
The choices were:
Explanation:
segregation of alleles
codominance of traits
polygenic expression of traits
independent assortment of alleles
A pea plant that is heterozygous for the tall phenotype can produce short offspring when self-pollinating, and this happens due to the independent assortment of the alleles.
What is the result of the independent assortment?The mendel explains how the traits are expressed and explained by different laws, and out of those laws, one is the law of independent assortment, where he explains that alleles can independently assorted and segregate and form the gametes. The pea plant is an example. In the pea plant, the heterozygous plant for height is Tt, and these two alleles can segregate and can form both tall and short plants. When the two Tt self-pollinate, then three of them are tall and one is short.
Hence, A pea plant that is heterozygous for the tall phenotype can produce short offspring when self-pollinating, and this happens due to the independent assortment of the alleles.
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The question is incomplete, the complete question is the following:
A pea plant that is heterozygous for the tall phenotype can produce short offspring when self-pollinating. Which of the following explains why this occurs?
independent assortment
segregation of alleles
polygenic expression
expresses codominance
Mutated gene
DNA sequence: TAC-ATA-ACG-CCC-AGC-G
mRNA:
Codons:
Amino acid sequence:
Answer:
mRNA: AUG-UAU-UGC-GGG-UCG-C
Codons: AUG, UAU, UGC, GGG, UCG
Amino acid sequence: Methionine- Tyrosine- Cysteine- Glycine- Tryptophan
Explanation:
This question is trying to illustrate the process of gene expression, which includes transcription (DNA - mRNA) and translation (mRNA - protein). According to this question, a mutated DNA sequence was given as follows: TAC-ATA-ACG-CCC-AGC-G
After transcription, which employs the complementary base pairing rule i.e A-U, G-C, the following mRNA sequence will be produced:
mRNA: AUG-UAU-UGC-GGG-UCG-C
After translation, which uses mRNA codons (a group of three nucleotide bases that encode a specific amino acids), the following amino acid sequence will be produced:
Amino acid sequence: Methionine (Met)- Tyrosine (Tyr)- Cysteine (Cys)- Glycine (Gly)- Tryptophan (Try).
Note that:
AUG encodes methionine
UAU encodes tyrosine
UGC encodes Cysteine
GGG encodes Glycine
UCG encodes tryptophan
which properteys describe all matter
Answer:
Matter is anything that has volume and mass.
Explanation:
Please answer the picture
Which of the following is true if an organism can reproduce asexually?
A. Offspring are genetically different from the parent.
B. Offspring are genetically identical to the parent.
C. Offspring are genetically identical to the parent only 50% of the time.
D. Offspring are genetically variable.
Answer:
c
Explanation:
i think im not sure
If an organism can reproduce asexually, its offspring are genetically identical to the parent.Therefore, the correct option is B.
What is asexual reproduction?Asexual reproduction is a mode of reproduction in which an organism produces offspring without the involvement of gametes or the fusion of genetic material from two parents.
Asexual reproduction involves only one parent, and the offspring are produced by mitotic cell division, which creates identical copies of the parent's DNA. As a result, asexual reproduction produces offspring that are genetically identical to the parent, and there is no mixing of genetic material from two parents as occurs in sexual reproduction.Therefore, the correct option is B.
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Which factor can increase the chances of a species evolving by natural selection?
A. high reproductive rate
B. no related species
C. stable environmental conditions
D. small gene pool
Answer:
A.
Explanation:
A high reproductive rate means a larger gene pool, and traits which benefit stand above the rest better, and are kept in the population. No related species would allow for only the small gene pool to continue in a slow evolutionary pace. Stable ecosystem does not generally require an organism to adapt.
The factor that can increase the chances of a species evolving by natural selection is genetic variation. Therefore, option "A" is correct.
What is genetic variation?The difference in the gene sequence can be between interspecies and interindividual. The primary force behind the process of natural selection is genetic variation. Gene variation is the result of different forms of alleles.
The variants which result in genetic alternation are single nucleotide polymorphisms or variation, copy number variation, structural variation, translocation, insertion, deletion, and inversion. These result in the formation of different alleles resulting in genetic variation.
Therefore, genetic variation results in different skin colors, and hair colors.
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What are the Monomer and Polymer of the 4 Macromolecules?
Answer:
Monomers are the building blocks of the four basic macromolecules of life- monosaccharides are the monomers of carbohydrates, amino acids are the monomers of proteins, glycerol/fatty acids are the monomers of lipids, and nucleotides are the monomers of DNA.
Explanation:
i hope it will help you
Rocks created from the cooling of magma or lava are called sedimentary metamorphosis igneous metamorphic
Answer:
points ignuiest
Explanation: