Answer:
C. orgasm D
Explanation:
because the less number of difference the more closely related it is to organism A
Based on Figure 1, which of the following statements best predicts the effect that a change from a moderately acidic environment (pH near 6) to a basic environment will have on peroxidase activity ?
O Peroxidase activity will decrease.
O Peroxidase activity will increase.
O Peroxidase activity will stay the same.
O Peroxidase activity will increase at first and then decrease.
The effect that a change from a moderately acidic environment (pH near 6) to a basic environment will have on O Peroxidase activity will decrease.
What is Peroxidase activity?Demonstrated that the performance of hydrogen peroxidase was greatly affected by all three factors, temperature, concentration level, and pH.The peroxidases are enzymes whose primary function is to oxidize hydrogen donors at the expense of peroxides. They are highly specific for hydrogen peroxide, but they accept a wide range of hydrogen donors, including polyphenols.Thyroid peroxidase also called as thyroperoxidase (TPO) is mainly expressed in thyroid organs. It is a large transmembrane glycoprotein with covalently linked haem, present in cells on the apical membranePeroxidase activity was pH-dependent, with complete inactivation at pH 2.5 and when 8.5 The maximum enzyme activity observed at pH 6.5 decreased when the pH was reduced or increased; the drop was sharper in the alkaline than in the acid rangeTo learn more about Peroxidase activity refers to:
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why is plant nutrition important?
Answer:
Explanation:Why Are Nutrients Important to Plants? Plants need nutrients for the same reasons that animals need them. They need them to germinate, grow, fight off diseases and pests and to reproduce. Like animals, nutrients are needed in larger, smaller or trace amounts for the plant to stay healthy.
the disease kwashiorkor is caused by a diet which is very low in protein. the concentration of proteins in blood plasma is much lower than usual. one of the symptoms of kwashiorkor is swelling caused by build-up of tissue fluid. suggest why this is so.
Answer:
Proteins play a crucial role in regulating the distribution of water in the body. Specifically, proteins in the blood plasma help to maintain the balance of fluids between the blood vessels and the surrounding tissues by creating a pressure gradient that keeps fluids from leaking out of the vessels. When the concentration of proteins in the blood plasma is much lower than usual, as is the case in individuals with kwashiorkor, this pressure gradient is disrupted, and fluids begin to leak out of the blood vessels and accumulate in the surrounding tissues. This can result in swelling, or edema, in various parts of the body, including the feet, legs, and belly.
Answer:
The low concentration of proteins in the blood plasma causes a decrease in the osmotic pressure of the blood. This decrease in osmotic pressure causes water to move from the blood into the tissues, leading to an accumulation of tissue fluid and swelling.
Which of the macromolecules accomplish the widest range of biological functions? Explain your answer in terms of diversity of form, and how form fits function.
Proteins are the macromolecules that accomplish the widest range of biological functions. This is because proteins have a diverse range of structures and can fold into a variety of shapes, which allows them to perform a wide range of functions
The diversity of form in proteins is due to the specific sequence of amino acids in the protein chain, which determines the way the protein folds into a three-dimensional structure. This structure is critical to the protein's function because it determines the shape and chemical properties of the protein's active site, the region where the protein interacts with other molecules in the body.
Proteins can be enzymes that catalyze chemical reactions, structural proteins that provide support and shape to cells, transport proteins that move molecules across cell membranes, regulatory proteins that control gene expression, and many other types of proteins that perform various functions.
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both euglena and cyanobacteria are photosynthetic unicellular organisms found in pond water. the feature that distinguishes euglena from cyanobacteria is the
Cyanobacteria produce toxins that can affect various parts of the body. Different species of cyanobacteria can produce toxins that can damage the liver (hepatotoxins),
A freshwater unicellular (single-celled) creature called Euglena sp. either gets its energy from the sun through photosynthesis or from chemicals in its environment. Blue-green algae, sometimes referred to as cyanobacteria, are microorganisms that produce their own energy through photosynthesis. Abstract. The subgroup "Serpentes" of the genus Euglena is distinguished by species with long, narrow cell bodies that move without flagellum among debris or mud in a snake-like manner, or swim freely in the water with a flagellum.Only plants, algae, and a kind of bacteria known as cyanobacteria are able to carry out photosynthesis (Figure 1). They are referred to as photoautotrophs, which literally translates to "self-feeders utilising light," since they produce their own food using light.
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what does pasteurization do to microbes? a) kills all vegetative forms. b) reduces the number of vegetative forms. c) reduces the number of endospores. d) increases food nutrient value. e) none of the choices is correct.
Pasteurization is the process of heating food or beverages to a specific temperature for a specific period of time in order to reduce the number of vegetative forms and endospores of microbes. It does not increase the food nutrient value. The correct answer is b) reduces the number of vegetative forms.
Pasteurization is the process of heating milk, juice, or other liquids to a temperature that kills most types of bacteria while still maintaining the quality of the food being treated. Pasteurization was named after Louis Pasteur, the scientist who discovered the process.Pasteurization reduces the number of vegetative forms of microbes. However, it doesn't destroy all of the microbes in the food. The method used and the duration of the heating process is determined by the type of food being pasteurized. The temperature, duration, and method of pasteurization all play a role in determining the effectiveness of pasteurization. For instance, milk pasteurized at a higher temperature or for a longer period of time will be more thoroughly treated than milk pasteurized at a lower temperature or for a shorter period of time.Pasteurization is a food preservation method that uses heat to destroy microbes. The correct option is (b) reduces the number of vegetative forms. Therefore, the correct answer to the question is (b) reduces the number of vegetative forms.Learn more about Pasteurization: https://brainly.com/question/21460912
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Muscle cells require a lot of
energy to contract and
produce movement in the body.
What organelle(s) do you think
they have more of than other
cells?
Answer:
Mitochondria?
Explanation:
Muscle cells require a lot of energy to contract and produce movement in the body. They have mitochondria cell organelle than other cell organelle.
What is cell?
Cell is defined as the base of life as it is the structural as well as functional unit of life. Cell is made up of pre existing cells and the cell contain various cell organelles such as mitochondria, endoplasmic reticulum, ribosomes, golgi appratus, nucleus, and cytoplasm.
Basically, cell is of two type one in prokaryotic and another one is eukaryotic. The prokaryotic cell is known as pre mature cells as they do not contain cell organelles and eukaryotic cell are known as advanced and developed cells as they contain several cell organelles.
The unicellular animals are made up of single cell and all the functions carried out in a single cell like amoeba and multicellular organisms are made up of multiple cells and there is specific cell for specific functions.
Therefore, Muscle cells require a lot of energy to contract and produce movement in the body. They have mitochondria cell organelle than other cell organelle.
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Do all cells need carbs, proteins and lipids to function?
Answer:
yes
Explanation:
all those come from food, therefore, yes cells need all of the above to function
dna is a polymer of 4 different deoxyribonucleotides, abbreviated a, g, c, and t. dna is double stranded: a on one strand pairs with t on the other strand, and g on one strand pairs with c on the other strand. how many different dna molecules composed of 10 base pairs could possibly exist? how would your answer change if dna was single stranded instead of double stranded?
Answer:
Explanation:
For a double-stranded DNA composed of 10 base pairs, we can choose any of the four nucleotides (A, G, C, or T) for the first base on one strand. Then, since A pairs with T and G pairs with C, there is only one possible nucleotide for the second base on the same strand. For the third base, we again have four choices, but the fourth base must be the complementary base on the other strand, so there is only one possible choice. We continue in this way for all 10 bases, resulting in a total of:
4 (choices for first base) x 1 (complementary base on second strand) x 4 (choices for third base) x 1 (complementary base on fourth strand) x 4 (choices for fifth base) x 1 (complementary base on sixth strand) x 4 (choices for seventh base) x 1 (complementary base on eighth strand) x 4 (choices for ninth base) x 1 (complementary base on tenth strand)
= 4^5
= 1024
Therefore, there are 1024 different double-stranded DNA molecules composed of 10 base pairs that could possibly exist.
If DNA were single-stranded instead of double-stranded, then we could choose any of the four nucleotides (A, G, C, or T) for each of the 10 positions independently of each other. Therefore, the total number of possible single-stranded DNA molecules composed of 10 base pairs would be:
4 (choices for first base) x 4 (choices for second base) x 4 (choices for third base) x 4 (choices for fourth base) x 4 (choices for fifth base) x 4 (choices for sixth base) x 4 (choices for seventh base) x 4 (choices for eighth base) x 4 (choices for ninth base) x 4 (choices for tenth base)
= 4^10
= 1048576
Therefore, there are 1048576 different single-stranded DNA molecules composed of 10 base pairs that could possibly exist.
Red algae have ____________ deposited in their cell walls and examples include symbiotes of ____________ , which depend on the algae for food.
Red algae have calcium carbonate deposited in their cell walls and examples include symbiotes of corals, which depend on the algae for food.
What is the deposition of red algae in their cell walls? Give one example of its symbiote which depend on the algae for food.Red algae are a crucial component of the ecosystem and are eaten by a variety of creatures, including crustaceans, fish, worms, and even people. Agar, a substance used as a food ingredient, is likewise made from red algae. The wall of the red algae is composed of calcium carbonate thus they are utilized in vitamin supplements due to being high in calcium. Multicellular, marine algae known as red algae contain the red pigment phycobiliprotein. They cover coral reef surfaces and bind the reefs together. Red algae's crustose development generates a thin mat on coral reefs that traps the sediments there. On coral reefs, coralline algae that have cell walls made of calcium carbonate grow upright. Both coralline and crustose types of algae sustain the coral colony and aid in the growth of the coral reef.To learn more about Red algae refer:
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Which one is the answer A B C or D
Answer:
theres nothing
Explanation:
ВDrag the labels to their appropriate locations on the diagram of the carbon cycle.
Drag the labels of Group 1 to identify the processes in the carbon cycle.
Drag the labels of Group 2 to identify the reservoirs in the carbon cycle.
a. CO2 in the atmosphere
b. photosynthesis on land
c. photosynthesis in ocean
d. cellular respiration
e. plants
f. burning fossil fuels
g. consumers
h. decomposers
The carbon cycle is a process that describes the movement of carbon between the atmosphere, land, oceans, and living organisms. The correct sequence of the given processes are in image below.
\(CO_2\) in the atmosphere: Carbon dioxide (\(CO_2\)) in the atmosphere is a greenhouse gas that plays a critical role in trapping heat and regulating Earth's temperature.Photosynthesis on land: Land plants convert carbon dioxide (\(CO_2\)) from the atmosphere into glucose through photosynthesis, storing carbon and releasing oxygen.Photosynthesis in ocean: Photosynthetic organisms in the ocean, such as marine plants and phytoplankton, utilize carbon dioxide (\(CO_2\)) from seawater to produce organic matter, contributing to the oceanic carbon cycle.Cellular respiration: Cellular respiration is the metabolic process in which organisms, including plants and animals, convert organic compounds into energy, releasing carbon dioxide (\(CO_2\)) as a byproduct. Plants: Plants are primary producers that take in carbon dioxide (\(CO_2\)) from the atmosphere through photosynthesis, converting it into organic matter and serving as important carbon sinks.Burning fossil fuels: The combustion of fossil fuels, such as coal, oil, and natural gas, releases carbon dioxide (\(CO_2\)) into the atmosphere, contributing to the increase in atmospheric \(CO_2\) levels.Consumers: Consumers, including animals, obtain carbon by consuming organic matter, releasing carbon dioxide (\(CO_2\)) through cellular respiration as they break down the consumed compounds to extract energy. Decomposers: Decomposers, such as bacteria and fungi, break down dead organic matter, releasing carbon dioxide (\(CO_2\)) into the atmosphere as a result of the decomposition process.The correct sequence is shown in the image below. Here, the group 1 (marked as red) includes photosynthesis on land, photosynthesis in ocean, cellular respiration and burning fossil fuels; while group 2 (marked as blue) includes the \(CO_2\) in the atmosphere, plants, consumers and decomposers.
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crossing over and random orientation of chromosomes lead to genetic variability in the process of , but the process of does not generate genetic variability because it lacks these mechanisms.
Crossing over and random orientation of chromosomes are mechanisms that contribute to genetic variability during the process of meiosis. Crossing over occurs when homologous chromosomes exchange genetic material, leading to the recombination of genes. This increases the genetic diversity in offspring. Random orientation of chromosomes refers to the way chromosomes line up randomly during metaphase I of meiosis, which leads to different combinations of chromosomes in gametes.
However, it is important to note that these mechanisms alone do not generate genetic variability. They contribute to it by creating new combinations of alleles, but the actual source of genetic variability comes from mutations. Mutations are random changes in the DNA sequence that can occur during replication or due to external factors. Mutations are the ultimate source of genetic diversity, and without them, crossing over and random orientation of chromosomes would not result in significant genetic variability.
So, in summary, crossing over and random orientation of chromosomes increase genetic diversity by recombining genes and creating new combinations of chromosomes. However, the actual generation of genetic variability comes from mutations.
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The processes of crossing over and random orientation of chromosomes, occurring during meiosis, produce genetic variability. In contrast, mitosis does not facilitate this level of variability as it lacks these mechanisms. Thus, meiosis leads to genetically unique cells, whereas mitosis results in genetically identical cells.
Explanation:Crossing over and random orientation of chromosomes lead to genetic variability in the process of meiosis, but the process of mitosis does not generate genetic variability because it lacks these mechanisms. The chromosomal crossover is a specific, non-random process during which chromosomes are linked together and exchange DNA, adding to genetic diversity. During meiosis, homologous chromosomes pair and exchange segments, creating varying combinations of genetic material in the resultant haploid cells.
Furthermore, an event known as random assortment introduces additional variation. Here, the arrangement of chromosomes is different in each cell undergoing meiosis, leading to over eight million possible unique gametes in humans.
In contrast, mitosis is a process that does not facilitate this level of variability as it lacks the mechanisms for chromosomal crossover and random assortment.
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•Investigation
A student wants to investigate what different drinks are composed of in order to categorise them.
The drinks to be tested are:
- Orange Juice
- Lemon
- Coffee
- Tea
- Soda
•What data could be collected?
•What equipment is needed?
•Variables
- Independent: ???
- Dependent: ???
- Control: ???
To investigate the composition of various drinks, data collection could include examining pH levels, sugar content, caffeine content, vitamin C content, mineral content, caloric value and ingredient list.
What equipment is needed?The equipment needed for this investigation would be dependent on the tests required to collect different sets of data. To measure these variables one might consider using a pH meter for pH levels, refractometer for measuring sugar levels, spectrophotometer to gauge Vitamin C content in the drink while an atomic absorption spectrophotometer might best cater to testing mineral levels accurately.
Finally a calorimeter would be ideal in inspecting caloric value in these drinks. Proper comparison of the chemical makeup of different beverages requires implementation of a control as a reference point against which to measure differences in composition.
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What is the role of the hypothalamus with regard to hormone release and endocrine function?
The hypothalamus produces releasing and inhibiting hormones and controls the pituitary gland.
What is the hypothalamus?Hypothalamus acts as the main link between your endocrine and neurological systems. The hypothalamus is responsible for your body's ability to maintain homeostasis, a constant state of equilibrium.
The peripheral nervous system transmits chemical signals to the hypothalamus via nerve cells in the peripheral nervous system and brain, which also responds to signals from outside your body.
Your hypothalamus' major responsibility is to react to these impulses and keep your body steady or in a state of the internal homeostasis. Similar to how your home may have a system to perfectly coordinate all operations, your hypothalamus acts as your body's "smart control" coordination center.
Therefore, the hypothalamus produces releasing and inhibiting hormones and controls the pituitary gland.
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How does the structure of some freshwater plants help them
maintain their water balance?
A. Stomata are present on the top surfaces of the leaves instead of on the underside.
B. Thick dermal tissue on roots and stems prevents water from seeping in.
c. Large root systems increase the amount of water the roots absorb.
D. Small leaves limit the amount of water loss by transpiration.
Option C would be the most appropriate answer as it explains how large root systems increase the amount of water the roots absorb in freshwater plants.
What is Stomata?
Stomata (singular: stoma) are tiny pores or openings found on the leaves, stems, and other aerial parts of plants. They are surrounded by specialized cells called guard cells, which regulate the opening and closing of the stomata.
One such adaptation is the presence of large air-filled spaces in their tissues, such as in the leaves, stems, and roots, which provide buoyancy and help the plant stay afloat in water. These air-filled spaces also serve as storage areas for oxygen, which is needed for respiration, and as conduits for the exchange of gases and nutrients between the plant and the water. Additionally, some freshwater plants have developed root systems that are adapted to absorb nutrients and water from the surrounding water, which can be poor in nutrients compared to soil. Therefore, option C would be the most appropriate answer as it explains how large root systems increase the amount of water the roots absorb in freshwater plants.
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Which of the following chemicals is needed in order for cellular respiration to
occur?
A: carbon dioxide
B: chlorophyll
C: oxygen
D: water
Answer:
C
Explanation:
Which is tied to a person’s beliefs in regard to persuasive speaking? a. a person’s likes and dislikes b. religion or lack of religion c. customs in other countries d. the manners learned from their family
A person’s beliefs in regard to persuasive speaking is tied to a person’s likes and dislikes; option A.
How does a person's belief affect his speaking?The belief a person has will affect the verbal and non-verbal cues of the individual. Also, the likes and dislikes of the individual will also affect his persuasive speaking abilities.
In conclusion, a person's likes and dislikes affects a person's persuasive speaking.
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HELP! Transcribe the following DNA base code into the complementary mRNA codons: TACAATCCGCAT
natural selection is the process by which...
mammals that have live births but incubate newborns in a pouch through the completion of development are:
Mammals that have a live birth but incubate the newborn in the pouch are Marsupials.
Mammals are warm-blooded animals that give birth and suckle. Mammals are divided into several groups, one of the most unique being the marsupials. Marsupials are a group of mammals that have pouches that their young can enter.
Nearly two-thirds of the marsupial species live on the Australian continent. Marsupials have nipples close to the pouch, either completely inside the pouch or not covering the pouch. Newborn marsupial cubs will be placed in a pouch and nursed by their mother.
The hallmark of marsupials is premature birth. Where marsupial cubs look very different from their parents. Reporting to the Australian Museum, newborn marsupial cubs are small (very far from the size of their parents), hairless, blond, and have front legs with claws, but only partially formed hind legs.
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someone HELP ASAP PLEASE
Answer:
Explanation:
Vestigial - -the hip and shoulder bones of snakes.16 Dec 2019
Homologous structures; the front leg of a horse and the wing of a bat
Analogous structure; the wings of a dragonfly and the wings of a bat
Here i hope it is right
Answer:
Explanation:
analogous structures: wings
homologous structures: bats
vestigial structures: snake
The photograph shows a result of waves made by an earthquake.
What was transported to this location by the earthquake waves?
O A. Rock
O B. Matter
O C. Gravity
D. Energy
both the liver and the spleen have a role in erythrocyte metabolism. how would this role best be described?
Mature erythrocytes are produced with the aid of the spleen.
Does the spleen produce erythrocytes?The spleen performs the process of erythropoiesis throughout intrauterine life. Primitive mesenchyme is the source of the embryonic spleen. Certain fixed mesenchymal cells in the spleen give rise to so-called hemocytoblasts during the fifth fetal month, and these in turn give rise to erythroblasts.
How does the spleen affect the hematologic system's ability to function?The primary job of your spleen is to act as a blood filter. It detects and eliminates aging, defective, or damaged red blood cells. Red blood cells must navigate a network of tiny passageways as blood enters the spleen, which provides "quality control."
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The highlighted vessels are ________ blood to the heart. The highlighted vessels are ________ blood to the heart. arteries that carry deoxygenated veins that carry oxygenated arteries that carry oxygenated veins that carry deoxygenated
In the circulatory system, arteries take blood from the heart, and veins carry it to the heart. B) The highlighted vessels are veins that carry oxygenated blood to the heart.
What is the circulatory system?The circulatory system is a mechanism that, together with the respiratory system, provides oxygen to the organism and removes carbon dioxide.
The circulatory system is in charge of driving oxygen to all the tissues and cells in the body and taking away carbon dioxide from them.
These gases are in the oxygenated and deoxygenated blood, respectively.
The heart bombs blood through arteries
The oxygenated blood moves forward all tissues and cellsDeoxygenated blood goes to the lungs ⇒ pulmonary artery
This organ also receives blood through veins,
Oxygenated blood enters from the lungs ⇒ pulmonary veinDeoxygenated blood comes from other tissues
So the heart sends blood through arteries and receives blood through veins. Depending on the destiny and origin of this blood, it is oxygenated or deoxygenated.
There are two principal types of circulation,
Lung circulation
1. Moves blood between the heart and the lungs.
2. Deoxygenated blood goes from the heart to the lungs (pulmonary artery)
3. In the lungs, deoxygenated blood releases carbon dioxide and gets oxygenated again.
4. Carbon dioxide is released by exhalation.
5. Blood absorbs oxygen from small air sacs named alveoli.
6. Oxygenated blood returns to the heart (pulmonary vein).
Systemic circulation
1. Carries blood between the heart and the rest of the body.
2. Oxygenated blood leaves the heart and moves to all the cells in the body (arteries).
3. Deoxygenated blood returns from tissues to the heart (veins).
From the image,
The highlighted vessels are closely related to the lungs. So, according to their position and diametre, we can assume these are either pulmonary veins or arteries.If we consider the statement says that the highlighted vessels move blood TO the heart, we can assume we are talking about veins.
The only veins that move from the lungs to the heart carry oxygenated blood.
According to this reasoning, option B is correct.
The highlighted vessels are veins that carry oxygenated blood to the heart.
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Which explanation explains why the Northern Hemisphere gets more direct sunlight in the Summer?
Probably too late answering this.
I don't know if they gave you answer choices, but something like:
"The way the earth is tipped on its axis in the summer has the Northern Hemisphere most closely angled to face the sun"
is what I would say.
Wave A completes 4 cycles in 2 seconds. Wave B completes 6 cycles in 1 second. Which wave, A or B, has the higher frequency?
Answer:
Explanation:
Wave B
(30 ponits!!!!!) I have no idea how to do this, please please only accurate answers
Create your own monster!! (4pts/trait) Use the following chart to determine the traits that your monster will
have. The DNA code for each trait is given, so you will need to go through the process of transcription and
translation to determine what protein is being made and then match that with the corresponding trait. You may
even include a picture of your monster if you are feeling creative!
Round body Tall/skinny body One head Two heads
Ser-Arg-Lys Ser-Arg-Asn Cys-His-Tyr Cys-His-Trp
Tail No tail Long hair Short hair
Val-Asp-Gly Val-Asp-Glu Leu-Thr-Pro Leu-Thr-Ala
a. Body Shape:
DNA code- AGTGCCTTG
RNA code- ___________
Amino Acid sequence (aka protein)- ___________________
Body shape- _______________________
b. Number of Heads:
DNA code- ACGGTGACC
RNA code-______________
Amino Acid sequence (aka protein)- ___________________
Number of heads- _____________________
c. Tail or No Tail:
DNA code- CAGCTGCCC
RNA code- _____________
Amino Acid Sequence (aka protein)- ___________________
Tail or no tail?- _____________________
d. Hair Length:
DNA code- AATTGGCGG
RNA code- ___________
Amino Acid Sequence (aka protein)- ___________________
Hair length- _____________________
Answer:
a. Body Shape:
DNA code- AGTGCCTTG
RNA code- _UCACGGAAG__________
Amino Acid sequence (aka protein)- ___Ser-Arg-Lys________________
Body shape- __Round Body_____________________
b. Number of Heads:
DNA code- ACGGTGACC
RNA code-__UCGCACUGG____________
Amino Acid sequence (aka protein)- ___Cys-His-Trp________________
Number of heads- ____2_________________
c. Tail or No Tail:
DNA code- CAGCTGCCC
RNA code- _GUCGACGGG____________
Amino Acid Sequence (aka protein)- ___Val-Asp-Gly________________
Tail or no tail? - ____They have a Tail_________________
d. Hair Length:
DNA code- AATTGGCGG
RNA code- _UUAACCGCC__________
Amino Acid Sequence (aka protein)- ___Leu-Thr-Ala_______________
Hair length- _Short hair____________________
I got 100% on this assignment btw
Of the 23 pairs of chromosomes in the human body, how many pairs are homologous?
A. 23
B. 22
Answer:
B. 22
Explanation:
Humans have a total of 46 chromosomes, but there are only 22 pairs of homologous autosomal chromosomes
Place the following events in their proper sequence.
Answer:
which events tho?