Answer:
B. lowercase letter
Explanation:
In a Punnet square, the dominant allele is capital and the recessive allele is lowercase.
What are 2 uses of Nucleic Acid?
Cane someone please help me on biology?
Answer:
"Nucleic acids are the main information-carrying molecules of the cell, and, by directing the process of protein synthesis, they determine the inherited characteristics of every living thing. The two main classes of nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA)."
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The two uses of nucleic acids are as follows;
They store genetic information in living cellsThey direct the synthesis of proteinsWHAT ARE NUCLEIC ACIDS?Nucleic acids are one of the four biomolecules found in living cells.
Nucleic acids are made up of monomers called nucleotides and are of two types namely;
DNARNADNA (deoxyribonucleic acid) stores genetic information in the nucleus of living organismsRNA (ribonucleic acid) transports the stored genetic information to the ribosome for protein synthesis to occur.Learn more about nucleic acids at: https://brainly.com/question/11737667
how you describe a noun the text
Answer:
A noun is a word that refers to a thing (book), a person (Betty Crocker), an animal (cat), a place (Omaha), a quality (softness), an idea (justice), or an action (yodeling). It's usually a single word, but not always: cake, shoes, school bus, and time and a half are all nouns.
Explanation:
Define the word species
What group of organisms was likely ancestral to land plants?.
Answer:What group was likely ancestral to land plants? Because multicellular, freshwater green algae are the closest living relatives of land plants, biologists hypothesize that land plants evolved from multicellular green algae that lived in freshwater habitats.
Explanation:
A mutation that involves the addition, subtraction, or substitution of a single base is known as.
inversion
mutation that involves the addition, subtraction, or substitution of a single base is known as an inversion. polypoloidy. a chromosomal aberration.
Answer: a point mutation
Explanation: During transcription the DNA sequence of a gene is copied into a RNA molecule by: RNA polymerase.
state five structural difference between a prawn and a cockroach
Hi There. Different between Cockroach and prawn
A major difference between roaches and prawns is size. The prawn will usually grow to 5 inches in length. Occasionally, they can even get longer. On the flip side, roaches mostly stay around 2 inches at their longest.
Explanation:
Prawn is a pises and cockroach is an arthropod.
What is the difference between a prawn and a cockroach?Cockroaches and prawns aren't identical, but they're very comparable. They each fall under the identical umbrella with regards to their phylum. This species is known as Arthropoda. It suggests that cockroaches and prawns shared a not unusual ancestor hundreds of thousands of years ago.
This scientific taxonomy locations cockroaches and prawns inside the identical species referred to as Arthropoda. Animals taken into consideration as arthropods are characterized with the aid of an exoskeleton, an external skeleton, separated bodies, and jointed limbs. So, even as cockroaches and prawns are not cousins, they're within the same circle of relatives due to these traits.
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What are examples of commensalism in the human body?.
Answer: Microbiota on the skin and gastrointestinal tract, wherein commensal bacteria flourish
Explanation: Microbiota on the skin and gastrointestinal tract, wherein commensal bacteria flourish, is an example of commensalism in humans. Fungus Aspergillus grow in the gastrointestinal tract of humans and share commensalism with them. The human GI tract provides a suitable environment to grow without harming the host humans
Does the bone marrow of all bones produce immune cells?.
Answer:
Yes
Bone marrow is the spongy tissue inside bones that produces blood cells. Bone marrow produces red blood cells, platelets, and white blood cells. Lymphocytes are produced in the marrow, and play an important part in the body's immune system.
Explanation:
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Which biological theory of aging postulates that by-products of cell metabolism may damage and cause mutations in cells
The Free Radical Theory of Aging is a biological theory that postulates that by-products of cell metabolism may damage and cause mutations in cells. These toxic agents are free radicals.
What is the Free Radical Theory?The Free Radical Theory of Aging is a theory posing that free radicals are generated as a natural consequence of age.
This model indicates that oxidative damage induces random mutations that are associated with the negative effects of aging.
The oxidative damage is especially concentrated in the mitochondria (mitochondrial DNA or mtDNA).
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What is the difference between cellular and internal respiration?.
Answer:
Internal respiration occurs in the respiratory membrane of metabolizing tissue. Inside the mitochondria, cellular respiration, which produces energy in the form of ATP, occurs. Cellular respiration requires oxygen and carbon dioxide is produced as a waste.
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The term emit is used in the second paragraph. Based on the context, emit means
to ___________.
A absorb
B send out
C collapse
D review
Answer:
B. Send out
Explanation:
emit or emitting means for something to discharge. The words "send out" are an example or term of what can be emit
Make a claim that answers the question: What is the effect of UV light on folate levels in individuals with different melanin types?
What numerical evidence from the graph to support your claim.
Why does the amount of melanin affect a person's folate levels after exposure to UV? What is the significance of folate?
The
acts like a wall to keep out germs?
Why is it ecologically relevant for plants to have their seeds dispersed.
Answer:
It's because it allows plants to be spread out in a big / wide area and to avoid competing to another with the same resources.
Explanation:
Which vein originates on the medial foot and empties into the femoral vein?.
Answer:
The great saphenous vein originates on the medial foot and empties into the femoral vein.
Explanation:
In a specific species of frog, the allele for green coloration is dominant over the allele for brown skin coloration. The original population contains 28 HH frogs, 52 Hh frogs, and 20 hh frogs.
At the start of the experiment, the researchers remove all hh frogs from the population.
Calculate the frequency of the recessive allele in the remaining population.
Based on the data provided and the Hardy-Weinberg equilibrium equation, the frequency of the recessive allele in the population is 0.53.
How can the allele frequency be determined?The allele frequency can be calculated from the Hardy-Weinberg equilibrium equation.
The Hardy-Weinberg equilibrium equation is given as:
p^2 + 2pq + q^2 = 1 andp + q = 1where:
p = frequency of the dominant allele in the populationq = frequency of the recessive allele in the populationp2 = percentage of hom0zygous dominant individualsq2 = percentage of hom0zygous recessive individuals2pq = percentage of heterozygous individualsTotal population of frogs = 100
percentage of hom0zygous recessive individuals, q^2 = 28/100 = 28%
Frequency of the recessive allele in the population is calculated as:
[tex]q = \sqrt{ {q}^{2} } [/tex]
[tex]q = \sqrt{0.28} [/tex]
q = 0.53
Therefore, frequency of the recessive allele in the population is 0.53.
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The neurotransmitter at the neuromuscular junction is:.
Answer:
Acetylcholine (ACh)
Explanation:
Let me know if you actually need a better explaination ^^
What is the function of chloroplast in eukaryotic cells?.
Answer:
Chloroplasts are plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process. By doing so, they sustain life on Earth.
The esophagus is the tube that connects the mouth to the stomach. Heartburn occurs when some of the stomach juices flow backwards up the esophagus. To help relieve heartburn, a person should take medicine that is ..............................
Answer:
basic on the pH scale, medications such as Pepcid and Tums with high calcium concentrations. The high pH counterbalances the acid.
Explanation:
Which two strategies can a rattlesnake use to conserve energy and regulate its body temperature
Answer:
c and b
Explanation:
The two strategies that a rattlesnake use is the snake can move into the shade in order to lose thermal energy to the environment and lower its body temperature, and the snake can move into the sun or sit on a warm rock in order to gain thermal energy and raise its body temperature, the correct option is A and C.
Rattlesnakes employ two primary strategies to conserve energy and regulate their body temperature. As ectothermic creatures, they rely on external factors for thermal regulation. Firstly, they can seek shelter in the shade to avoid excessive heat absorption and lower their body temperature, conserving energy during hot periods.
Secondly, when they need to raise their body temperature, they move into sunny areas or rest on warm rocks to absorb thermal energy from the environment. These behavioral adaptations enable rattlesnakes to maintain their physiological functions effectively without expending excessive energy, allowing them to survive and thrive in a wide range of habitats with varying temperatures, the correct option is A and C.
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The complete question is:
Which two strategies can a rattlesnake use to conserve energy and regulate its body temperature?
A. The snake can move into the shade in order to lose thermal energy to the environment and lower its body temperature.
B. The snake can shiver in order to increase its metabolism and raise its body temperature.
C. The snake can move into the sun or sit on a warm rock in order to gain thermal energy and raise its body temperature
D. The snake can sweat in order to produce water that will evaporate off its skin and lower its body temperature.
What is always produced in the combustion of organic material.
Answer:
“Combustion always produces carbon dioxide and water”
Explanation:
Water and Carbon dioxide are always produced in the combustion of organic material.
What is combustion of organic material?Combustion involves the oxidation of the carbon in an organic molecule. The fuels that are burned on a large scale to provide energy for heat or electricity include the fossil fuels.
The combustion of organic fuels is a chemical reaction that results in the generation of products and heat. The nature of the process is controlled by heat and mass transfer and can result in very different forms of combustion.
Complete combustion needs a plentiful supply of air so that the elements in the fuel react fully with oxygen. Fuels such as natural gas and petrol contain hydrocarbons. These are compounds of hydrogen and carbon only.
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What phase of Mitosis is shown in Image A?
Answer:
i think it is meta phase
Explanation:
so as you can see in the attachment i put under this the second phase is the closest ( i took this lesson years ago so i had to make sure by searching it up) + hope this helps
An orange is placed on a table in a completely dark room, without any source of light. Which of the following choices correctly describes what an observer will see as he looks in the direction of the orange?
A The orange will be seen by the observer immediately, but it will be very dim.The orange will become brighter as the observer's eyes adjust to the darkness.
B The orange will not be seen at all because light is not bouncing off its surface.
C The orange will only be seen after the observer's eyes adjust to the darkness.
D The orange will be seen by the observer immediately, but it will be very dim.
Answer:
Answer B Is Correct!
Explanation:
I took the test and got it correct.
Excretion is best described as the removal of
1.
metabolic wastes from a cell
2.
toxic wastes by the process of cyclosis
3.
water molecules from dipeptide hydrolysis
4.
undigested material from the digestive tract
Answer:
1.Metabolic wastes from a cell.
Explanation:
which hormone is stimulated by rising blood levels of k , low blood levels of na and decreasing blood volume and blood pressure
Answer:
Aldosterone release is stimulated by a decrease in blood sodium levels, blood volume, or blood pressure, or an increase in blood potassium levels. It also prevents the loss of Na+ from sweat, saliva, and gastric juice.
Explanation:
Transverse waves are made up of parts called?
Write a paragraph about cells (5 sentences)
Answer:
prokaryotic: A prokaryote is a single celled organism that does not have a nucleus or membrane bound organelled and its dna is in the cytoplasm. They also cant undergo mitosis because they dont have a nucleus. they are most likely to be unicellular
examples: archea and bacteria
eukaryotic:
A eukaryotic cell is an organism made up of cell that contain their dna in a nucleus. Eukaryotic cells contain membrane bound organelles as well as ribosomes.not all of them are the same though. mst of them are multicellular and go through mitosis
examples: fungi, plants, animals
Calvin goes for a walk outside and begins to sweat. His sweat will not evaporate. What is the most likely cause of this? a boy sweating on a sunny day A wind speed of 40 mph An air temperature of 7 °C or 45 °F A strong northerly wind A relative humidity of 95%.
Sweat is a type of perspiration method by which the body temperature is regulated. The reason for the sweat not evaporating is the relative humidity of 95%.
What is the humidity?Humidity is the amount of water vapours present in the atmosphere that are not directly visible and plays an important role in climate and weather.
When the humidity of the environment is more than the water vapour from the sources like sweat, leaves, or any other steaming substances will not evaporate as the water content in the atmosphere is already high.
Therefore, option D. A relative humidity of 95% is the reason that sweat will not evaporate.
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plsplplppls help !!!!!! Fertilizers in agricultural discharge result in ______. select all that apply
death and decay
biomagnification
eutrophication
contamination
Answer:
All of the above.
Explanation:
I just took the test.
Would the coupling of the processes shown below be found in a eukaryotic cell? explain why or why not. A diagram of transcription and translation in a eukaryotic cell. Four rna polymerases located one after another in short distances transcribe a strand of dna in the direction from left to right. A polyribosome, comprised of several ribosomes, is attached to every rna polymerase. Each ribosome is located on the mrna strand like beads and translates mrna into polypeptides. The 5 prime end of mrna does not contain any ribosomes and is the first to appear during transcription. Drag the terms on the left to the appropriate blanks on the right to complete the sentence.
Polyribosomes are groups of ribosomes linearly arranged, associated with mRNA, and producing several copies of proteins. The coupling of processes shown in the image can not be found in eukaryotic cells.
What is a polyribosome?
A polyribosome is a group of single ribosomes associated with an mRNA molecule and producing simultaneous translation events of the same protein.
Polyribosomes can be found in both prokaryotic and eukaryotic cells. However, translation occurs at different moments and places in these cells.
⇒ In a prokaryotic cell
Polyribosomes can act before transcriptional termination occurs.
While transcription is still happening, ribosomes can produce many polypeptide copies.
This is because
both transcription and translation occur in the cytoplasm simultaneously. transcription and translation directions are 5' to 3'. mRNA does not need to be modified after transcription.⇒ In eukaryotic cells
Polyribosomes are found in the cytoplasm but only when
the transcription process is over,the mRNA molecule is already modified and left the nucleus.Since transcription occurs in the nucleus and translation in the cytoplasm, they can not be simultaneous.
According to this information, the coupling of processes shown in the image can not be found in eukaryotic cells.
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