Answer:
Heredity
Explanation:
the passing on of physical or mental characteristics genetically from one generation to another
What causes the "dead zone" in the Gulf of Mexico each summer?
(L1) The plasma membrane of a cell is selectively permeable (or semi-permeable), which means it
A.controls all cellular activities.
B.is responsible for asexual reproduction.
C.allows some materials to pass.
D.has a carbohydrate foundation,
Answer:
C. Allows some materials to pass.
Explanation:
Answer:
c
Explanation:
Being selectively permeable means that it selects what comes in and what goes out.
4. Examine the codon chart and list all of the codons that code for the amino acid leucine. List them: Second Bar U code ; amino acid cade amung aca" code arning old code, amino acid LOU UCA FORCE STICI DCA UGG Glou. CGC gla Firal Base Third Base as AUC mrt WENT GOO VA
Answer:
The codons that code for LEUCINE amino acid are:
1. UUA
2. UUG
3. CUU
4. CUC
5. CUA
6. CUG
Explanation:
A CODON is a group of three nucleotides in the mRNA molecule that specifies a particular amino acid. It represents a trio combination of nucleotides (A, G, C, U). There are about 64 possible codons formed from four nucleotides used in a combination of three's i.e 4³ = 64. All the codons collectively form the GENETIC CODE, which is used by all known living organisms.
However, since there are only 20 amino acids in nature and 64 possible codons, more than one codon encodes an amino acid. This means that the genetic code is DEGENERATE or REDUNDANT. Hence, in this case involving the amino acid: LEUCINE, the six (6) codons that specify it (depicted in the attached genetic code) are as follows:
- UUA
- UUG
- CUU
- CUC
- CUA
- CUG
A codon is a three nucleotidic sequence that carries genetic information to assembly an amino acid to the growing protein. The six codons that code for leucine are UUA, UUG, CUU, CUC, CUA, and CUG.
----------------------------------------
During translation, the ribosome reads mRNA in 5' to 3' direction. While doing so, tRNA recognizes the codons and adds the correct amino acid to the growing peptidic chain.
A codon is a three nucleotidic sequence that carries genetic information to assembly an amino acid. One codon determines which amino acid is going to be addede to the protein.
In nature, thete are 20 amino acids that compose the proteins, and more than 20 possible codons combinations. So one amino acid is coded by more than one codon.
The amino acid LEUCINE is coded by six codons. They are,
UUAUUGCUUCUCCUACUG-----------------------------
You can learn more about CODONS at
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List and describe the 5 characteristics found in all living things; be able to identify various structures or processes as representative of each characteristic.
If you were to start at the base of a mountain and climb it all the way to the top, how would the climate change?
A The climate would get colder and drier as you go up the mountain.
B The climate would get warmer and wetter as you go up the mountain.
C The climate would stay the same because you are in the same climate zone.
D The climate would be similar to a tropical climate zone as you go up the mountain.
The climate would get colder and drier as we go up the mountain. So, the correct option is A.
What is the effect of altitude on the atmosphere?When altitude increases, the amount of gas molecules in the air decreases, so the air becomes less dense than air closer to sea level, which is what meteorologists and climbers mean by "thin air". Thinner air exerts less pressure than air at lower altitudes.
Most of the gas molecules in the atmosphere are pulled closer to the Earth's surface by gravity, so gas particles are denser near the surface, so with more gas particles in a given volume, there are more collisions of particles and therefore more pressure.
Thus, the climate would get colder and drier as we go up the mountain. So, the correct option is A.
Learn more about climate change due to altitude, here:
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In the lungs, what can affect the suface area
Select the statement that does not correctly describe the circulation of blood.
1)blood flows in two loops.
2)the ventricles contract simultaneously to pump blood outside the heart.
3)blood flows simultaneously into the atria.
4)the right side of the heart receives
blood and the left side pumps blood.
Answer and I will give you brainiliest
sorry im not sure this is correct but i think the one that is incorrect is
4) the right side of the heart receivesblood and the left side pumps blood.i will put the explanation just incase you want to choose the answer by yourself after knowing it. I hope you read this too..
Explanation1)Blood flows in two loops
This one is already correct if it happens in human heart circulatory system. Human's heart beat in two loops and this is really useful because of enough pressure to pump blood to the body. This two loops name is double circulatory system.However fish has single circulatory system where they only pump blood once. So this one also can be wrong but if the answer only one, this one can pass.2)the ventricles contract simultaneously to pump blood outside the heart.[✓]
This one already correct, the heart pump blood to the body through aorta and to the lungs through pulmonary artery.3)blood flows simultaneously into the atria.
This one also correct, because the blood come to the atria first to go to the left ventricle. Both of left and right ventricles are working simultaneously.4)the right side of the heart receives
blood and the left side pumps blood.
This one can be correct but also wrong. I choose this one wrong because there's no more explanation in this statement. The right side of heart can also pumps blood and left side of heart also can receives blood.The right side of your heart receives oxygen-poor blood from your veins and pumps it to your lungs and also The left side of your heart receives oxygen-rich blood from your lungs and pumps it through your arteries to the rest of your body.Note for moderators that read this#Moderators please don't be mean, dont delete my answers just for approval from your senior or just to get the biggest moderation daily rank.
Your prediction is that of the offspring would have the dominant phenotype, and
offspring would have the recessive phenotype.
Answer:
75% and 25%
Explanation:
:)
Answer:
75% and 25%
Explanation:
edge
What type of scientists would be studying how life develops onan ecosystem like an island?
Answer:
a biologist
Explanation:
biologist are ecosystem experts.
good luck
Answer:
You answer would be an ecolgist.
Good luck <3
Lactose when digested, it is hydrolyzed by lactase into its monomers, which are then absorbed by blood. Following are test results from a person done after 2 hours of drinking a lactose rich solution. The blood glucose levels were 80, 110, 140 and 160 mg / dL tested for every 30 minutes. Based on this information does this person have lactose intolerance?
Answer: Based on the information, the person DOES NOT have lactose intolerance because glucose levels significantly increases in normal individuals after a lactose rich meal.
Explanation:
Lactose is a disaccharide carbohydrate which when taken (found mostly in diary products) is hydrolyzed by lactase into its monomers, which are then absorbed into the blood. The hydrolysis of lactose gives glucose and galactose which is carried out by the digestive enzyme lactase. Deficiency of the lactase enzyme gives rise to a disorder known as LACTOSE INTOLERANCE.
The diagnosis of lactose intolerance or lactase deficiency can be confirmed by measuring the plasma glucose concentrations, as in glucose tolerance test, after giving an oral load of lactose rich solution. If the disaccharide (lactose) cannot be hydrolysed, the constituent monosaccharides cannot be absorbed and the concentrations of plasma glucose rise VERY little.
But the fasting blood glucose done after 2 hours of drinking a lactose rich solution showed a typical rise in blood glucose levels which were 80, 90, 100, 110 and 120 mg/ dL tested for every 30 minutes. This indicates that the individual does not have lactose intolerance because the glucose gotten from hydrolysed lactose was absorbed and cause a significant rise in blood levels.
Are vesicles involved in passive transport? please explain
Answer:
Yes, as they have/ require no energy then they pass through the plasma membrane, and is done due to some molecules that are far too largem
A conservation ecologist is studying Pacific Green Sea Turtles. One population is based on a remote island in the Indo-pacific that has very little tourist or human activity. The other population is on the coast of Australia and deals with more consequences of human activity. The ecologist has taken counts of the number of eggs in each female’s nest at both locations to evaluate the reproductive success. Is there a statistically significant difference between the two populations? What conclusion can you draw from this information? (5 points, 2 for answer, and 3 for showing work)
Answer:
Yes.
Explanation:
Yes, there is a statistically significant difference between the two populations of green sea turtle because the turtle lay eggs on the beaches of the ocean so human presence at the beach damaged eggs and lead to the decrease in population of green sea turtle while on the other hand, there is high population of green sea turtle due to no human presence or activities in the remote Island.
What helps the stem of the Bramble to grip and move over the ground
Answer:
your answe is 1 million tasound
Explanation:
Can anyone help me with my homework
Answer:
1= B. Pangea
2= A. 160 million years
3= D. 4.6 billion years
4= B. Trenches
5= B. Mountain form
Explanation:
hope this helps :)
This sequence best represents
A) an arid region that experienced mostly uplifting forces
B) an arid region that experienced mostly erosional forces
C) a humid region that experienced mostly uplifting forces
D) a humid region that experienced mostly erosional forces
The correct answer is B. An arid region that experienced mostly uplifting forces.
Explanation
According to the graph, it can be seen that 25 million years ago the illustrated area was arid and the earth's crust had a fracture that eroded to form a table 15 million years ago as shown in the second illustration. Later, it is shown how the erosion continued to act on this area until creating different plateaus and a plain in the present time. The key to understanding these illustrations are the layers of the earth's crust that are shown because it shows how some layers are disappearing or reducing their area while the lower layers are being exposed. Therefore, the correct answer is B. An arid region that experienced mostly uplifting forces.
The ability to taste the chemical PTC is determined by a single gene in humans with the ability to taste given by the dominant allele T and the inability to taste by the recessive allele t. Suppose two heterozygous tasters (Tt) have a large family. What is the likelihood that their first child will be a taster
Answer:
75%
Explanation:
This question involves a single gene coding for the ability to taste the chemical PTC. The allele coding for the ability to taste (T) is dominant over the allele coding for the inability to taste (t). This means that an heterozygous individual will have the ability to taste PTC.
According to this question, if two heterozygous tasters (Tt) cross to have a large family i.e. Tt × Tt, the following gametes will be produced by each parent;
Tt = T and t
Using these gametes in a punnet square (see attached image), the following proportion of offsprings will be produced:
TT, Tt, Tt - Tasters (3/4 or 75%)
tt - Non-taster (1/4 or 25%)
Note that based on the question asked, there is a 75% probability that their first child will be a taster because there is equal segregation of alleles into gametes.
T or F : viruses are NOT used in gene therapy to insert the DNA into the target cells of the patient
True or false
Choose the CORRECT statement about cell transport below.
O Diffusion moves particles across the cell membrane from areas of high concentration to
areas of low concentration
Osmosis moves oxygen and carbon dioxide across the cell membrane
Passive transport requires energy to move molecules across the cell membrane
O Osmosis is an example of active transport
Answer: O Diffusion moves particles across the cell membrane from areas of high concentration to
areas of low concentration
Explanation:
Which MOST SPECIFIC classification puts humans in the same category as whales?
A)
Hominidae
B)
chordata
C)
mammalia
D)
primates
Answer:
C)
mammalia
Explanation:
Hope this will help
How does the speed of flowing water affect its ability to erode
HELP PLZZZ!!!
Answer:
Moving water also picks up and carries particles of soil and rock. The ability to erode is affected by the velocity, or speed, of the water. ... As water slows, larger particles are deposited. As the water slows even more, smaller particles are deposited.Explanation:
please help i’ll mark u as the brain thing !!
2. Lines 25–33: What examples of sentence structure and wording help create the style of this essay? Are the sentences long and filled with details, or are they short and crisp? Is the grammar formal or informal? Give an example.
Answer:
There are many important pieces that together make up a writer's style; like tone, word choice, grammar, language, descriptive technique, and so on. Style is also what determines the mood of a piece of literature, so its importance is huge across all genres.
Explanation:
Does this help at all??
What type of plate boundary occurs where two plates move away from one
another?
Answer:
Divergent Boundary
Explanation:
A divergent boundary occurs when two tectonic plates move away from each other. Along these boundaries, earthquakes are common and magma (molten rock) rises from the Earth's mantle to the surface, solidifying to create new oceanic crust.
How does movement of the legs affect the gills of crabs?
Answer:
The beating or fanning movements of three pairs of maxilliped flagella in crabs and crayfish modify exhalent gill currents while drawing water over chemoreceptors on the head. They play an integral part both in signalling by distributing urine odours, and in active chemosensation.
Explanation:
The International Fisheries Commission was formed to:
Control halibut fishing
Help conserve salmon
Study fish biology
Develop new alternatives to trawl fishing
Answer:
control halibut fishing
In poultry, two genes, R and P, control the shape of the comb on the head. The following genotype/phenotype relationship applies to these two genes: R- P- animals have a 'walnut' comb; R- pp animals have a 'rose' comb; rr P- animals have a 'pea' comb; rr pp animals have a 'single' comb. What will the comb phenotypes of the progeny be for a cross of rr PP X rr Pp animals
Answer:
100% of the progeny will have a pea comb, rrP-
Explanation:
Available data:
two genes, R and P, control the shape of the comb on the headR- P- animals have a 'walnut' combR- pp animals have a 'rose' combrr P- animals have a 'pea' combrr pp animals have a 'single' combCross:
Parentals) rrPP x rrPp
Gametes) rP, rP, rP, rP rP, rP, rp, rp
Punnett square) rP rP rP rP
rP rrPP rrPP rrPP rrPP
rP rrPP rrPP rrPP rrPP
rp rrPp rrPp rrPp rrPp
rp rrPp rrPp rrPp rrPp
F1) Genotype
8/16 = 1/2 = 50% of the progeny will be rrPP 8/16 = 1/2 = 50% of the progeny will be rrPpPhenotype
16/16 = 100% of the progeny will have a pea comb
_____, the large maggots move away from the body, sometimes into the soil.
In the winter
Before the eggs are laid
Prior to pupae formation
At night
The answer ➪ Prior to pupae formation, the large maggots move away from the body, sometimes into the soil.
Insta: 25k_kemAnswer:
prior to pupae formation
Explanation:
bro shout out his insta on a school cheat site.
which of the following is NOT a nucleic acid ?
a. DNA
b. mRNA
c. tRNA
d. Protein
Answer:
reverse transcriptase
Explanation:
The following is NOT a nucleic acid is - d. protein as it is a different macronutrient or macromolecule to nucleic acid.
Nucleic acids are macromolecules of a special class found in all living organisms and also in viruses. There are two types of major nucleic acids, DNA or deoxyribose nucleic acid and RNA or ribose nucleic acid.
Nucleic acids play a role in genetic materialnucleic acid helps in protein synthesisRNA is mainly three types mRNA, messenger RNA, tRNA transfer RNA, and rRNA ribosomal RNA.DNA is normally double-strandedProtein on other hand is a different class of macromolecules that perform many roles in the cell such as, structure, function, and regulation.
Thus, the correct answer is - D. protein.
Learn more about protein:
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Which situation could cause an ecosystem to lose its equilibrium?
A. Competition among species
B. Interdependence among species
C. Arrival of a nonnative species
D. An increase in the population of a keystone species
Answer: C
Explanation: the ecosystem is metastable, so an increase in the keystone species would be accommodated. Introductionof a nonnative species is likely to generate significant biotic change to the environment.
Fish have scales that enable them to live in a water environment. This is an example of
Multiple Choice
A:homeostasis.
B:adaptation
C:metabolism.
D:development
E:cellular organization
Answer:
Adaptation
Explanation:
A thin durable layer that develops over fish's skin is called scales. Adapting marine habitat means that they will have Fins and the hard coating scale that enable fishes and other animal adjust to the condition of the water environment.
The celery and potatoes in the salt water wilted and got soft because there was less water outside the cells. The water left to achieve balance. What could you do to make them firm again?
Answer: Adding more water outside the cells.