Answer:
The answer is "Choice A".
Explanation:
The Panama isthmus is indeed a patch of land which separates its sea from its Atlantic ocean to The pacific in two halves. The Panama Isthmus allows spreading the seafood applicable state, although due to geographical barrier, the very same turtle species were isolated. Its deep squirrels of liquid are diverged quite early as being against shallow water shrimps which are characterized by the rising of the Jamaica isthmus, first off the island can be crossed until it was closed through shallow water prawns and shallow-water animals. If Panama's black sea was established less than 1000 years, it has a greater effect on deepwater shrimp and very low water lobsters. Consequently, in water depth prawns, a disparity in hereditary degree (DNA) is higher than in shallow species. The deep waters have been affected earlier so the variation in DNA sequences throughout all sister species will not be the same.
A scientist uses radioactive nitrogen to label the nitrogenous bases of the DNA of a cell. Then the DNA is allowed to replicate, and the new strands take up non-radioactive bases. Do one, both, or neither of the daughter cells have radioactive DNA? Explain.
I think yes, because from what i knew. When the DNA replicate, it will be same as the original/mother DNA. so it will both have radioactive DNA.
Just think, if only one DNA have radioactive then it wont be dangerous, but it affect the replication DNA, then its different case and will be dangerous for the body. You must've heard that radioactive can be dangerous for the body.
Sorry if im wrong
Answer:
I would say one..
Explanation:
It says the new strands take u non-radioactive bases.. if he only used the radioactive to label one of them then I would say one..
What is the answer The nucleus or large central vacuole contains
genetic material of a eukaryotic cell.
The neurotransmitter thought to be involved in learning and memory is:
1) acetylcholine.
2) norepinephrine.
3) glutamate.
4) glycine
5)GABA
Sickle-cell anemia is an inherited disease that affects red blood cells. In people who have this disease, one amino acid is substituted for another amino acid in a blood protein. What causes sickle-cell anemia?
A. Mutation
B. Replication
C. Translation
D. Transcription
what is a natural resources ??
Answer:
A natural resource is something found naturally that can be used by humanity to accomplish tasks. For example, wood is a natural resource as its found in nature and can be used by humanity for building and making fire for food and heat.
Explanation:
What are TWO methods that can be used by the villagers to catch fish in the river?
Answer:
Hand operation
Hook and line
Explanation:
Explain the difference between sex hormones and glandular stimulating hormones
Answer:
Sex hormones are those hormones that within the endocrine system of the human being, are considered more directly involved in human sexuality, particularly in the processes of copulation and reproduction.On the other hand, glandular stimulating hormones are those that act on hormonal production in another endocrine gland, that is, they are stimulants, since they stimulate the corresponding glands.
Explanation:
Sex hormones are chemical substances secreted by the sex endocrine glands (the testes and ovaries) and subsequently released into the bloodstream, to be transported to the organs on which they exert their action (increasing or decreasing their activity).The production of hormones is regulated in many cases by a negative feedback system, which causes an excess of a hormone to be followed by a decrease in its production. The glandular stimulating hormones are transported to the blood to stimulate the corresponding glands (thyroid, adrenal cortex, and gonads) and these will be the ones that secrete various types of hormones (thyroxine, corticosteroids and sex hormones, respectively), which in addition to acting in the body, they feed back into the pituitary and hypothalamus to inhibit their activity and balance the respective secretions of these two organs and the target gland. For example, follicle-stimulating hormone encourages sperm production in men and stimulates the ovaries to release eggs in women. Luteinizing hormone and follicle stimulator work together to allow normal function of the ovaries or testicles.
18) What kind of mutation causes extensive damage in the DNA?
a. Point mutation c. Frame shift mutation b. Chromosomal mutation d.Nonsense mutation
Answer:
c. Frame shift mutation.
Explanation:
Frame shift mutation is a type of mutation which causes more damage to the DNA of the cell. It causes changes in the amino acid sequences in a polypeptide chain. Point mutation is a type of mutation in which only one amino acid changed, while on the other hand, frameshift mutation changes the whole sequence of amino acids so we can say that frame shift mutation is more damaging to the DNA molecule.
The number of neurotransmitter molecules located within a specific synaptic gap would most clearly be
reduced by
Answer:
The correct answer is - reuptake.
Explanation:
The process that reabsorbs the neurotransmitters known as reuptake which reduced the number of neurotransmitter molecules. Neurotransmitter transporter found on the outer membrane of the plasma membrane assists the process of reuptake by reabsorbing the neurotransmitter molecules from the specific synaptic gap. Neurotransmitters recycle by this process in order to reuse again after a time for the particular signal to last.
Thus, the correct answer is - reuptake.
Study the diagram of a cell.
Which structures are found in both plant and animal
cells?
O W and X
O W and Z
O X and Y
Y and Z
Answer:
there is no image but avoid chloroplasts and a large vacuole and cell walls as they are only in plants
Explanation:
A classic example of wildlife mismanagement is the North American bison, which was brought close to extinction in the
19th century. What are the two major reasons it almost became extinct?
A) Disease brought by European animals and sustained by drought almost killed the bison.
B) War between settlers and tribes, and drought dwindled the numbers to almost zero.
C) Bison hides had become fashionable as hats, causing a war between settlers and the tribes who
were dependent on the bison for existence.
D) Prairie dogs spread the plague across the Great Plains.
E) none of the above
Answer:C
Explanation:
On Edge
Answer:
pretty sure its B
Explanation:
War between settlers and tribes, and drought dwindled the numbers to almost zero.
If I remember from history correctly, European colonists hunted the bison with the knowledge the Native Americans had relied on them heavily. They did this to push them out of their native land.
biological term of a segment of chromosome that control each characteristic
Answer:
Genes are segments that contain the code for a specific protein that functions in one or more types of cells in the body.
Label flower parts pls
Answer:
1Anther
2Filament
3Stamen
4Stigma
5Style
6Ovary
7Pistil or gynoecium
8Ovule
9Petal
10Sepal
Explanation:
Answer:
AntherFilamentStamenStigmaStyleOvaryPistilOvula/OvumPetalSepal
True or False: Interphase takes up roughly 90% of the time it takes to undergo mitosis, about 23 hours.
Answer:
I believe that it is true.
Explanation:
Interphase does take up about 90 percent of the phases but it is about 22 hours of dividing the cells
In some bunnies, the gene for fur color is controlled by condominance. The allele for gray color is G and the allele white color is W. The heterozygous phenotype results in a gray and white bunny/ What is the genotype for gray bunnies? what is the genotype for white bunnies? what is the genotype for gray and white bunnies?
Answer:
Genotype gray bunnies: GG
Genotype white bunnies: WW
Genotype gray and white bunnies: GW
Explanation:
In diploid species (2n), organisms receive one gene copy (allele) from each parent. Codominance is a relationship that occurs when both alleles of the same gene show dominance. In consequence, the expression of both alleles in heterozygous individuals results in a new phenotype. In this example, the expression of G and W alleles results in a gray and white phenotype. Examples of codominance include individuals with type AB blood group in humans or the roan coat color in horses.
Answer:
Genotype gray bunnies: GG
Genotype white bunnies: WW
Genotype gray and white bunnies: GW
Explanation:
In diploid species (2n), organisms receive one gene copy (allele) from each parent. Codominance is a relationship that occurs when both alleles of the same gene show dominance. In consequence, the expression of both alleles in heterozygous individuals results in a new phenotype. In this example, the expression of G and W alleles results in a gray and white phenotype. Examples of codominance include individuals with type AB blood group in humans or the roan coat color in horses.
what is the name of these compound based on IUPAC nomenclature?
Explanation:
plz mark my answer as brainlist you find it useful.
hope this will be helpful to you.
Answer:
Required answer in the attachmenti just started this survey i got to number 5 and i have no idea how to do it.
How “Competition in an ecosystem” is playing a role in life?
Answer:
Competition is an interaction between organisms or species in which both the organisms or species are harmed. Limited supply of at least one resource (such as food, water, and territory) used by both can be a factor.
Explanation:
Which graph best represents directional selection?
Original population
Onginal population
Original population
Population
after
selection
Population
after
selection
Proportion of individuals
Population
after
selection
Trait Value
Trait Value
Trait Value
Graph A
Graph B
Graph C
COMPLETE
Answer:
Explanation:
I can't help you I can't see the graph
Explanation:
There you go its a for me not b
What kind of mutation would occur if a sequence of DNA is changed from ATCGGCTTAACG to ATCGGCTAAACG?
Answer:
Base substitution mutation
Explanation:
Mutation is the alteration or change that occurs to the sequence of a gene caused by a mutagen (chemicals) or spontaneously-induced. Depending on how the mutation occurs, it is of different types. The mutation shown in this question is as follows:
ATCGGCTTAACG to ATCGGCTAAACG
This type of mutation is called SUBSTITUTION MUTATION. Substitution mutation is a type of mutation that involves the replacement of one or more nucleotide base by another. In this original sequence; ATCGGCTTAACG, the eight base T was replaced by base A in the sequence, hence, it is a substitution mutation.
What is a subduction zone and a transform boundary?
a transform fault or transform boundary is a fault along a plate boundary where the motion is predominantly horizontal. it ends abruptly where it connects to another plate boundary, either another transform, a spreading ridge, or a subduction zone.
Merle is a marking pattern in canine coats that appears as a marbling of color in a solid coat. The merle gene displays incomplete dominance.
CSCS individuals display a solid coat
CMCS individuals are merle and show patches of fur with a lighter, mottled effect
CMCM individuals are "double merle" and show patches of fur with much more pronounced lightening
Another gene, FGF5, also influences coat phenotype and determines whether dogs display long or short coats, with short coats being dominant to long coats.
A. Determine the proportion of offspring phenotypes that would result when two merle dogs mate, if one dog is true-breeding for the long-coat trait and the other dog is true-breeding for the short-coat trait.
a. 0
b. 1/16
c. 1/8
d. 3/16
e. 1/4
f. 3/8
g. 1/2
h. 3/4
1. double merle with short coat:___.
2. double merle with long coat:___.
3. merle with short coat:___.
4. merle with long coat:___.
5. solid with short coat:___.
6. solid with long coat:____.
B. Determine the proportion of offspring phenotypes that would result when two merle dogs mate, if both dogs are heterozygous(Ll) for the gene that regulates coal length.
a. 0
b. 1/16
c. 1/8
d. 3/16
e. 1/4
f. 3/8
g. 1/2
h. 3/4
1. double merle with short coat:___.
2. double merle with long coat:___.
3. merle with short coat:___.
4. merle with long coat:___.
5. solid with short coat:___.
6. solid with long coat:____.
Answer:
A)
1. double merle with short coat: 1/4 (e).
2. double merle with long coat: 0 (a).
3. merle with short coat: 1/2 (g).
4. merle with long coat: 0 (a).
5. solid with short coat: 1/4 (e).
6. solid with long coat: 0 (a).
B)
1. double merle with short coat: 3/16 (d).
2. double merle with long coat: 1/16 (b)
3. merle with short coat: 3/8 (f).
4. merle with long coat: 1/8 (c).
5. solid with short coat: 3/16 (d).
6. solid with long coat:1/16 (b)
Explanation:
Available data:
CSCS individuals display a solid coatCMCS individuals are merle and show patches of fur with a lighter, mottled effectCMCM individuals are "double merle" and show patches of fur with much more pronounced lighteningshort coats, L-, being dominant to long coats, ll.Cross: merle long-coated dog x merle short-coated dogParentals) CMCS ll x CMCS LL
Gametes) CMl, CSl, CMl, CSl
CML, CSL, CML, CSL
Punnett square) CMl CMl CSl CSl
CML CMCM Ll CMCM Ll CMCS Ll CMCS Ll
CML CMCM Ll CMCMLl CMCS Ll CMCS Ll
CSL CMCS Ll CMCS Ll CSCS Ll CSCS Ll
CSL CMCS Ll CMCS Ll CSCS Ll CSCS Ll
F1) 4/16 = 1/4 = 25% CMCM Ll, double merle short-coated individuals
4/16 = 1/4 = 25% CSCS Ll, solid short-coated individuals
8/16 = 1/2 = 50% CMCS Ll, merle chort-coated
Cross: merle short-coated dog x merle short-coated dogParentals) CMCS Ll x CMCS Ll
Gametes) CML, CMl, CSL, CSl, CML, CMl, CSL, CSl
Punnett square) CML CMl CSL CSl
CML CMCM LL CMCM Ll CMCS LL CMCS Ll
CMl CMCM Ll CMCM ll CMCS Ll CMCS ll
CSL CMCS LL CMCS Ll CSCS LL CSCS Ll
CSl CMCS Ll CMCS ll CSCS Ll CSCS ll
F1) 1/16 CMCM LL, double merle short-coated individual
2/16 CMCM Ll, double merle short-coated individual
1/16 CMCM ll, double merle long-coated individual
2/16 = 1/8 CMCS LL, merle short-coated individual
4/16 = 2/8 CMCS Ll, merle short-coated individual
2/16 = 1/8 CMCS ll, merle long-coated individual
1/16 CSCS LL, solid short-coated individual
2/16 = 1/8 CSCS Ll, solid short-coated individual
1/16 CSCS ll, solid long-coated individual
How can humans reduce
the impact of a storm surge?
Explanation:
reducing the impact Global climate change may result in increased storm surge flooding in some areas, through intensification of the cyclones driving the storm surges and as a result of sea level rise. Mangroves can reduce storm surge water levels by slowing the flow of water and reducing surface waves.
If muscle A contracts and causes movement of some sort, and muscle B helps muscle
A accomplish this task, and muscle C does the opposite of A, then muscle A is a(n)
muscle, muscle B is a
muscle, and muscle C is aln)
muscle.
Answer:
RESPUESTA:OPCION B espero te ayude
A accomplish this task, and muscle C does the opposite of A, then muscle A is a antagonist to prime mover.
What is antagonist muscle?muscles can only pull. They typically work a joint in pairs because of this. When a body part is moved, one of the pair's muscles contracts; when the body part is brought back to its starting position, the other muscle in the pair contracts.
Antagonizing pairs of muscles are those that function in this way. When two muscles are antagonistic, one contracts while the other relaxes or lengthens. The muscle that is lengthening or relaxing is referred to as the antagonist, while the muscle that is contracting is referred to as the agonist.
Therefore, A accomplish this task, and muscle C does the opposite of A, then muscle A is a antagonist to prime mover.
To learn more about muscle, refer to the link:
https://brainly.com/question/11087117
#SPJ2
I NEED HELP ASSAP
how can you tell whether two magnets will attract eachother, repel eachother, or both
plz explain in a few sentences
Answer:
Explanation:
there is a positive side and a negitive side to magnets two of the same side of the magnet will repel oppisites will attract
positive+positive=repel
positive+negitive=atract
Answer:
attract: when two magnets will attract, S and N will be facing each other
repel: when two magnets will repel, S and S or N and N will face each other
both: when two magnets will attract and repel, the magnets won't be placed in the same way. N will be facing the middle of both S and N or S will be facing the middle of N and S
Explanation:
this is what i learned i hope it's right if not i didn't say nothing
Humans store sugars in the form of glycogen. Glycogen is made by linking many glucose molecules together. This process is ________.
Answer:
polysaccharides
Explanation:
I think it is correct
Answer:
★ Humans store sugars in the form of glycogen. Glycogen is made by linking many glucose molecules together. This process is polysaccharides.
Explanation:
Hope you have a great day :)
What macromolecule is the enzyme ATP synthase?
Why are normally unseen members of the food web, such as soil microorganisms, essential to the nitrogen cycle?
Answer: Why are normally unseen members of the food web, such as soil microorganisms, essential to the nitrogen cycle? ... Since not all organisms can utilize the nitrogen gas directly, these microorganisms convert nitrogen in different nitrogen compounds, such as ammonia, nitrites, and nitrates. In this article we explore how nitrogen is cycled and the important role of microbes in this cycle. ... Nitrogen is required by all living organisms for the synthesis of organic molecules such as amino acids, nucleic acids and proteins. The Earth's atmosphere contains almost 80% nitrogen gas
Bacteria play a central role:
Nitrogen-fixing bacteria, which convert atmospheric nitrogen to nitrates.
Bacteria of decay, which convert decaying nitrogen waste to ammonia.
Nitrifying bacteria, which convert ammonia to nitrates/nitrites.
Denitrifying bacteria, which convert nitrates to nitrogen gas.
Explanation:
Why would you need to conduct a test with no enzyme added?
Answer:
Because this offers a control for your experiment.
Explanation:
If you are testing the effects of an enzyme, you need to have a control to compare your results with to see if the enzyme is truly what is causing the phenomenon.
How do we use the Earth’s heat by capturing geothermal energy?
Answer:People can capture geothermal energy through: Geothermal power plants, which use heat from deep inside the Earth to generate steam to make electricity. Geothermal heat pumps, which tap into heat close to the Earth's surface to heat water or provide heat for buildings. Dose this help?
Explanation:
