A whale is a mammal and a shark is a fish, but they have similar body plans. This is an example of _______.
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Explanation:
i looked this up so here and also my answer needs to be at least 20 letters long so
hsiosowuwubwnsossoisjsjhs be j
Related Questions
A polyunsaturated fatty acid with its first double bond ____carbons away from the fatty acid. This type of fatty acid is also called linolenic methyl end is an omega acid. a. 1) 3; 3 b. 2) 3; 6 c. 3) 6:6 d. 4) 6:3
Answers
A polyunsaturated fatty acid with its first double bond 3 carbons away from the fatty acid is called linolenic acid. This type of fatty acid is also referred to as an omega-3 fatty acid. The correct option is C .
The omega numbering system is used to indicate the position of the first double bond from the methyl end (omega end) of the fatty acid chain.
In the case of linolenic acid, the first double bond is located 3 carbons away from the methyl end, giving it the name omega-3. The omega-3 fatty acids are important for human health and are commonly found in sources such as fish, flaxseed, and walnuts.
These fatty acids play vital roles in various physiological processes, including inflammation regulation, brain function, and cardiovascular health. Therefore, linolenic acid, with its first double bond 3 carbons away from the fatty acid, is an omega-3 fatty acid.
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The enzyme responsible for maintaining the constant length of chromosomes in sperm and eggs is:__________
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Answer: The enzyme responsible for maintaining the constant length of chromosomes in sperm and eggs is telomerase.
Select the correct answer from each drop-down menu. plants are classified based on the presence of a certain specialized tissue. a specialized tissue called_____tissue helps transport____and water to all parts of the plant.1. A. VascularB. MycorrhizaeC. Sporophyte2. A. PollenB. OxygenC. Nutrients
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Answer:
1.Vascular B
2.Nutrients.
When observing an organism's phenotype, how can we predict the
genotype?
Answers
Brainliest?
Which structure is most likely an organic substance?
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Cellular Respiration requires the use of __________ which are located on the _________.
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Answer:
Cellular respiration requires the use of glucose which are located on the mitochondria.
Explanation: Hope this helps :)
3. In the Pacific Ocean, there is a plate boundary between two tectonic plates: the Pacific Plate, which contains some of
the oldest oceanic crust on Earth, and the Mariana Plate. The Mariana Trench, the deepest oceanic trench on Earth,
is located at this boundary. Nearby, there is an arc of volcanic islands called the Mariana Islands. Based on this
information, what type of plate boundary is this? How do you know?
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Ocean trenches are long, narrow depressions on the seafloor. These chasms are the deepest parts of the ocean—and some of the deepest natural spots on Earth.
There are different types of plate boundaries based on the movement of tectonic plates. The plate boundary in which a line of volcanic islands are present is called convergent plate boundary.
What is plate boundary?Plate boundary is the inter-region between two tectonic plates. The magma in the crest when undergo convection process and flow of this heated magma causes the movement of tectonic plates.
Based on the movement and sliding of the plates above the other there are three types of plate boundaries namely, divergent, convergent and transform plate boundaries.
Divergent plate boundaries originates when the plates moves apart these type of plate boundaries have the volcanic activities and shallow earth quake.
Convergent plate boundaries are where, the plates are moving edge to edge manner each other manner and buckles up to mountain. Convergent plate boundaries create the a chain of volcanoes parallel to the plates.
Transform plate boundary is created by plates sliding past each other which forms no volcanoes. Hence, the volcanic islands are in convergent plate boundary.
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what is reflex action?
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For example : when you touch a hot object you immediately remove your hand from it
Sat since cholesterol molecules do not dissolve in water or blood, they are also transported to various parts of the body by lipoproteins, which are constructed from both fats and proteins?
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Cholesterol molecules are transported in the body by lipoproteins, which are composed of both fats and proteins. This enables cholesterol to travel in the bloodstream since cholesterol does not dissolve in water or blood.
Cholesterol molecules are insoluble in water and blood, making it difficult for them to be transported on their own. To overcome this, lipoproteins are utilized as carriers. Lipoproteins are structures composed of both fats and proteins. The hydrophilic proteins help solubilize cholesterol, while the hydrophobic fats provide a means of transport through the bloodstream. This allows cholesterol to be effectively distributed to various parts of the body where it is needed.
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which finding provides evidence that opioid drugs enhance the brain reward system in animal models?
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Answer:
Opioids are currently the most effective pain relieving pharmaceuticals. However, they are also rewarding and their repeated use can lead to dependence and addiction. In fact, addiction to opioid analgesics is a growing socioeconomic and health problem with potentially serious consequences documented by a rise in deaths due to overdose [1, 2]. A critical CNS locus for opioid reward is the ventral tegmental area (VTA, glossary, vide infra). Recent work indicates that there is great anatomical and pharmacological heterogeneity in VTA neurons and that there are numerous opioid
which glands secrete hormones that regulate metabolism of carbohydrates, proteins, and fats? select all that apply. one, some, or all responses may be correct. pancreas
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The pancreas secretes hormones that regulate metabolism of carbohydrates, proteins, and fats.
The hormones insulin and glucagon are secreted by the pancreas and help regulate blood sugar levels and appetite, stimulate stomach acids, and tell your stomach when to empty.
Insulin and glucagon are two hormones secreted by the pancreas that are essential to regulating metabolism. Insulin helps the body absorb glucose from the bloodstream, while glucagon helps regulate glucose levels in the body. Insulin helps cells take in glucose, which is then converted into energy for the body. Glucagon helps the body break down stored energy, such as fat and glycogen, when glucose levels are low.
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Which pair of words is incorrect?
HELP SOON ASAP HELP HELP HURRY
Answers
Answer:
Black bear-carnivore
Explanation:
Black bears are omnivores because they eat berries, plants, and meat. Hope this helped and have a great day/ night! :D
A) assume that you are going to a galapagos island to measure natural selection on morphology in a ground finch (geospiza fortis). you suspect that some morphological traits will determine whether the individual bird survives or dies in the upcoming dry spell (drought). is it a good research strategy to measure as many body traits as possible (wing length, leg length, body weight, tail length, etc.) or should a wise researcher just "bet" on a certain trait (for example, wing length) to be the key trait for surviving the drought? why or why not?
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While measuring as many body traits as possible to determine the key trait for surviving a drought in ground finches may appear to be a good idea, it is better to focus on specific traits that are known to be important for survival in dry conditions.
When going to measure natural selection on morphology in a ground finch (geospiza fortis), it may seem like a good research strategy to measure as many body traits as possible to determine which trait is most important for survival during a drought. However, this approach could be time-consuming, costly, and may not provide the best results. Instead, a wise researcher should focus on specific traits that are known to be important for survival in dry conditions, such as beak size and shape, which can affect a bird's ability to feed on specific types of seeds.
By focusing on a specific trait, a researcher can also gain a better understanding of the ecological factors that drive selection in the population. This approach would allow for more precise predictions and could lead to a better understanding of how natural selection operates in this species. Furthermore, this approach could reduce the number of individuals required for the study, which would be important for conserving endangered populations.
In conclusion, while it may seem like a good idea to measure as many body traits as possible to determine the key trait for surviving a drought in ground finches, it is better to focus on specific traits that are known to be important for survival in dry conditions. This approach will provide a more focused and precise understanding of the ecological factors that drive selection in this population.
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If an essential amino acid were not present in the person's diet, could all proteins be made?
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Adaptative features of a matured fresh eggs of cat fish
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A big, nutrient-rich yolk is a characteristic adaptation of a mature catfish egg. Like many other fish species, catfish also lay eggs that are frequently demersal, or sheltered in a nest or placed on a substrate.
The mature egg of fish is surrounded by an acellular coat conventionally called the chorion. In Carassius auratus, three main layers can be recognized at the electron microscopic level, and we have termed them ch1, ch2, and ch3 starting from the outer side to the inner side close to the egg plasma membrane.
Fish eggs immediately upon fertilization are spherical in shape with various components, including maternal mRNAs, numerous organelles, yolk inclusions, proteins, as well as lipid droplets and pigments intermingled in the egg cytoplasm (Lubzens et al., 2010).
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Q- Adaptive feature of a matured fresh egg of a catfish.
How long does it take a modern scientist to collect data and adjust their theories in response to the data
1. Years
2. Days
3. Weeks
4. Months
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Answer months
The final step in a Sanger DNA sequencing reaction is to run the DNA fragments on a gel. What purpose does this serve? a. It adds ddNTP to the end of each DNA fragment. b. It changes the length of the DNA fragments. c. It separates DNA fragments based on their charge. d. It separates DNA fragments generated during the sequencing reaction based on one-nucleotide differences in their size.
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Running the fragments on the gel separates the DNA fragments generated during their sequencing reaction based on the one-nucleotide difference in their size. So the correct option is D.
What is Sanger sequencing?
Sanger sequencing is a method of genome sequencing. It is also known as the chain termination method. This process was developed by Frederick Sanger and his colleagues in the year 1977.
This method is used for the determination of the nucleotide base in a segment of DNA. The DNA segment used is usually less than 1,000 bp in length.
Sanger sequencing performed with a base accuracy of 99.99% is the “gold standard” for the validation of DNA sequences. Sanger sequencing was the sequencing method used in the Human Genome Project.
Therefore the correct option is D.
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Synovial fluid is rich in albumin and hyaluronic acid, which give it a viscous texture similar to egg white. True False
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The given statement, "Synovial fluid is rich in albumin and hyaluronic acid, which give it a viscous texture similar to egg white" is true.
What is synovial fluid?
Synovial fluid is a liquid that lubricates and cushions the joints. This liquid fills the cavities between the joints to minimize friction between the articular cartilage and other joint tissues. This fluid is responsible for the smooth operation of the knee, elbow, shoulder, hip, and other joint systems.
Synovial fluid is a viscous fluid that has a gel-like consistency and contains several important substances. It is made up of hyaluronic acid, proteins such as albumin, globulin, and immunoglobulin, and glucosamine, among other things. The synovial fluid's purpose is to keep joints lubricated, minimize friction and wear and tear, and to nourish the joint cartilage.
What is albumin?
Albumin is a protein found in blood plasma. It's a protein that's produced by the liver. Albumin is responsible for regulating blood pressure, nutrient transportation, and the maintenance of fluid balance in the body. It also plays a role in wound healing and serves as a source of energy for the body.
What is hyaluronic acid?
Hyaluronic acid (HA) is a naturally occurring compound found in the body. It's found in the synovial fluid and the vitreous humor of the eye, among other places. The fluid gives the joint its elastic and shock-absorbing properties, thanks to the presence of hyaluronic acid.
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When scientists uncover a fossil, they record the precise location where the fossil was found. Does this location provide useful evidence for conclusions about the fossil and evolutionary processes?
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Answer:
Yes
Explanation:
It helps to provide evidence by knowing the locations because of the settlemets that could also be there from the same species.
A population of 40 deer are introduced into a wildlife sanctuary. It is estimated that the sanctuary can
sustain up to 600 deer. Absent constraints, the population would grow by 60% per year. Estimate the population
after one year Pi Estimate the population after two years P2 -
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The population of deer in the wildlife sanctuary can be estimated using the formula:
P(t) = P(0) * (1 + r)^t
where P(t) is the population after t years, P(0) is the initial population, r is the growth rate per year, and t is the number of years.
In this case, the initial population (P(0)) is 40 deer, the growth rate (r) is 60% per year (0.60), and we need to estimate the population after one year (P1) and two years (P2).
To calculate P1:
P(1) = 40 * (1 + 0.60)^1
P(1) = 40 * (1 + 0.60)
P(1) = 40 * 1.60
P(1) = 64
Therefore, the estimated population after one year is 64 deer.
To calculate P2:
P(2) = 40 * (1 + 0.60)^2
P(2) = 40 * (1 + 0.60)^2
P(2) = 40 * 1.60^2
P(2) = 40 * 2.56
P(2) = 102.4
Therefore, the estimated population after two years is 102.4 deer.
It's important to note that these are estimates and assume that there are no constraints on the population growth. In reality, factors like limited resources, predation, and disease can affect the growth rate and population size.
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Many cities build special construction joints in bridges to allow for the expansion and
contraction of the bridge during changes in temperatures known as thermal
expansion. What type of movement in the bridge could be expected during a warm
front in the summertime?
A
The bridge would experience no changes,
B
The bridge would contract due to the particles would be moving closer together,
С
The bridge would be closed during the warm front due to cracking in the concrete.
D
The bridge would expand due to the particles spreading out.
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. In the video, the domain Eukarya includes all eukaryote organisms. In a six kingdom system, these eukaryotes can make up four of the six kingdoms. Name these separate eukaryotic kingdoms and list descriptive words and examples for each. In your descriptions, use the bolded vocabulary words correctly from #1-3 on the previous page.
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Answer:
Fungi, Animalia, Plantae, and Protista
Explanation:
Fungi: A cluster of organisms that produce spores and feed on organic matter, examples are Mushrooms, mold and yeast.
Animals: a classification of living organisms that almost always have organs, and feed on other organic matter, they also usually have a nervous system. Examples are, Pigeons, Lions, Whales, etc.
Plants: organisms such as grass, trees, moss, flowers, and grow in the same spot. They absorb water, and inorganic matter through their roots, and usually have green coloring to do photosynthesis.
Protists: These organisms are usually microscopic and unicellular. They contain a nucleus and other specialized organelles, and some can move around. They vary widely of what they do, with some like Amoebas moving and eating other cells, while algae stay put and perform photosynthesis.
Answer:
protista, fungi, plantae, animalia
Explanation:
took the AP biology test
How does the potassium ion channel allow potassium ions through while preventing other particles?
Group of answer choices
Particles larger than potassium ions simply don't fit through the channel.
[ Choose ] FALSE TRUE
The channel is positively charged, so it attracts potassium ions.
[ Choose ] FALSE TRUE
Carbonyl groups in the channel displace the water that surrounds the potassium ion.r
[ Choose ] FALSE TRUE
Carbonyl groups in the channel are unable to displace the water that surrounds sodium and hydrogen ions.
[ Choose ] FALSE TRUE
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Anything larger than potassium ions cannot pass through the channel. Since the channel is positively charged, potassium ions are drawn to it. The water surrounding the sodium and hydrogen ions in the channel prevents carbonyl groups from displacing it.
True that Particles larger than potassium ions simply don't fit through the channel.True that The channel is positively charged, so it attracts potassium ions.False that Carbonyl groups in the channel displace the water that surrounds the potassium ions.True that Carbonyl groups in the channel are unable to displace the water that surrounds sodium and hydrogen ions.Tetrameric membrane-spanning proteins known as potassium channels offer a specific pore for the conduction of K(+) across cell membranes. The effective and highly selective transfer of K(+) ions across the membrane to the cell is one of the primary physiological roles of potassium channels.
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PLEASE, PLEASE, PLEASE HELP!!! REAL ANSWERS ONLY!!! NO LINKS OR I WILL REPORT!!! NO BOTS EITHER!!!
Respond to the question: How do things move across a cell membrane? Give two examples. (5-8 sentences)
https://www.khanaca demy.org/gclassroom/test-prep/mcat/cells/transport-across-a-cell-membrane/v/how-do-things-move-across-a-cell-membrane
That is the video. Remove the space to make it work.
Answers
Answer:
osmosis ........... just use a paraphrasing tool for the explanation below
Explanation:
Another method of movement across the membrane is osmosis. Osmosis is the movement of water from a region of higher concentration to one of lower concentration. Osmosis occurs across a membrane that is semipermeable. A semipermeable membrane lets only certain molecules pass through while keeping other molecules out.
just use a paraphrasing tool
Tongue rolling was thought to be an example of a human trait controlled by a single gene, but we now know that identical twins, who share 100% of their DNA sequences, will only share the tongue-rolling trait 70% of the time. This indicates that tongue rolling may also be controlled by the environment. True False
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Answer:False probably
Explanation:
as no sign of environment controlling tongue rolling.
Tongue rolling is often saw in every 7/10 people.
what mammal has the largest brain relative to its body size?
Answers
Answer:
The noble tree shrew
Explanation:The tree shrew's brain is much larger compared to its body. 10 percent of its body weight is brain mass.
In the night sky some star look brighter than other stars from earth the brightest stars appear to be the sun which of the following reason explain these facts
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Answer: The sun is a medium size star that appears larger and brighter than other stars because it is closer to us. So the fact that some stars are brighter than the rest shows that they are closer to our planet than others.
Explanation:
Answer: Down
Explanation: The sun is a medium size star that appears larger and brighter than other stars because it is closer to us.
How are proteins built using the information provided by a molecule of RNA prediction?
Answers
A cell's messenger RNA molecules contain instructions that are read by the ribosome, which then uses these mRNAs to assemble amino acids into proteins in the precise order specified by the mRNA.
How is RNA converted into protein?Three processes make up the method by which RNA is translated into protein: initiation, elongation, and termination. A tRNA and ribosome join an mRNA during initiation. Methionine will always be the first amino acid in the sequence since the start codon, AUG, codes for it.
When mRNA exits the nucleus, it travels to a ribosome, which is made up of proteins and rRNA. The ribosome reads the mRNA's codon sequence. The ribosome is supplied with amino acids via tRNA molecules.
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3. Which plants are usually the first to grow during secondary succession?
A ferns
Blichens
Cweeds
D trees
Answers
Answer:
ferns
Explanation:
these are alsi known as conifers which require a great amount if light
Im not a science student just trying beans I guess
The earthquakes experienced in California are related to tectonic plates because these catastrophic events are the result of -
a
two tectonic plates sliding past each other.
b
tectonic plates melting as they slide into the mantle.
c
tectonic plates being weathered over time.
d
two tectonic plates pulling away from each other.
Answers
Answer:
A when two tectonic plates slide past each other.
Explanation: this answer is the most accurate because when two plates slide past each other they make a fault in the earth which creates an earthquake.