The structural and functional characteristics of different types of cells are determined by the nature of the proteins present.
Answer :
The nature of the proteins present dictates the structural and functional properties of many cell types. Cells are not only characterized by by their genetic material and other interior components, but also by the genes they express. Cells have to fulfill multiple different functions to be able to build complex multicellular organisms. Differently expressed genes lead to different proteins made in the cell, which leads to different morphology, shape or function.
evolution test populations of european salamander
4. Why cannot a dry seed germinate?
Answer:
no it cannot
Explanation:
as the seed does not have enough water to start germination
b. In an initial population of 100 snowy plovers, there were 30 births and 20
deaths in one year. Based only on the birth and death rates, identify the expected
size of the snowy plover population at the end of the year.
Your answer
c. At the end of the year, there were actually 80 snowy plovers in the population.
Assuming there were no additional births or deaths, explain why the actual
population size differed from the expected population size.
Your answer
d. Current efforts to conserve plover populations include building wire fences
around their nests and making certain beaches off-limits to people during plover
breeding season. Explain why making certain beaches off-limits during plover
breeding season is a more effective conservation method than building fences
around plover nests.
Your answer
There have been really 80 snowy plovers inside the population at the conclusion of the year. An small wader inside the family of plover birds, this snowy plover is normally about 5-7" is length.
In California, how so many snow plovers are all there?There are currently only 2,500 western snowy plovers thought to exist along the Pacific Coast. Little shorebirds, about the size of a sparrow and measuring about 6 inches long, snowy plovers have pure white underparts, grey legs, and a short, black beak.
How are western snowy plover populations doing in California?The West Snow Plover (Characteristics of an organism nivosus nivosus), an migratory shorebird, has experienced a sharp decline in population throughout the Pacific coast in recent decades, primarily as a result of habitat degradation, human disturbance, and predation. According to the provisions of a Endangered Species Act, the plover has been designated as threatened.
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Read the following situation and answer the questions: Neetu is very fond of art and craft. She decided to make some items like a pen keeper, purses, toys, etc, using old fabrics and plastics. She donated these to a charity. a. Is it practical to say completely 'NO' to plastics? Illustrate your answer. (1m) b. Compute the ways that can be used to recycle any plastic item. (1m)
a. It may not be practical to completely say 'NO' to plastics, as there are some types of plastic that can be recycled and reused, and are therefore considered more sustainable than single-use plastics.
For example, some plastic items such as water bottles, food containers, and packaging can be recycled and turned into new products. Additionally, there are some types of plastic that are biodegradable and can decompose naturally over time.
b. There are several ways that can be used to recycle plastic items. These include:
Mechanical recycling: This involves grinding up the plastic into small pieces, cleaning them, and then melting them down to create new plastic products.Chemical recycling: This involves breaking down the plastic into its basic chemical components, which can then be used to create new plastic products.Upcycling: This involves repurposing plastic items to create new and useful products, such as turning plastic bottles into planters or using plastic bags to create a woven rug.Biodegradation: This involves using natural processes to break down the plastic into organic compounds, which can then be absorbed by the environment.Overall, the most effective way to recycle plastic items is to reduce their use in the first place and to properly dispose of them in a way that maximizes their potential for reuse and recycling.
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Which of the following is a reason food insecurity happens?
adequate food distribution
economic access to nutritious food
natural disasters or environmental degradation in a region
physical access to sufficient food
One of the reasons behind food insecurity is natural disasters or environmental degradation in a region. Option C
Does natural disasters cause food insecurity?Food insecurity is a term used to describe a lack of consistent access to enough food for an active and healthy life. It is a complex issue that affects millions of people around the world, including both developed and developing countries.
Food insecurity can occur for a variety of reasons, such as poverty, unemployment, low wages, high food prices, lack of access to transportation or grocery stores, and natural disasters or other emergencies. It can have serious consequences for physical and mental health, education, and overall well-being.
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Monchybrid Cross Modification of the 31 ratio
in four-o'clock plants the allele for red flower color has an affect that is incont
plately dominant over the affect of the white colorallele if a cross between two
plants produced 18 red.32 pink and 15 white plants, what are the prendypes of
the parents? Plsss help me
The parents are likely to be homozygous for the dominant red flower color allele (RR) and heterozygous for the red and white flower color alleles (Rw).
How do we know?The allele for red flower color has an effect that is incompletely dominant over the white color allele meaning that when two heterozygous plants (Rw x Rw) are crossed, we expect to see a modified Mendelian ratio of 1:2:1 for red:pink:white, instead of the typical 3:1 ratio seen in a simple dominant/recessive inheritance pattern.
WE can then calculate the genotype of each of the parents by working backwards from the observed phenotype ratios:
Assuming that that the first parent is homozygous for red flower color (RR) and the second parent is heterozygous (Rw). We can use a Punnett square to determine the expected phenotypic ratios:
| R w
--|--------
R | RR Rw
R | RR Rw
w | Rw ww
We can see that the parents are likely to be homozygous for the dominant red flower color allele (RR) and heterozygous for the red and white flower color alleles (Rw).
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A rainforest is a region with a lot of rain and tall, mostly evergreen trees. The average monthly temperature in tropical rainforest regions is always between 20 and 29 °C (68 and 84 °F), and it never falls below 18 °C (64 °F). Monkeys, Blue Morpho Butterfly, Okapi, Three-Toed Sloth, Jaguar, Capybara, Toucan, and Poison Dart Frog are the primary animals. Ferns, lichens, mosses, orchids, bromeliads, and many different kinds of trees are the main plants. the rubber tree included. Because these forests house a significant portion of the world's biodiversity, deforestation is a particular cause for concern in tropical rain forests. For instance, forest conversion for cattle ranching has resulted in the loss of approximately 17% of the Amazon's forest over the past 50 years. Agriculture is the main cause of deforestation, and illegal logging is the main cause of forest degradation. Poorly planned infrastructure is also becoming a big threat.
The main challenges faced by rainforests include Deforestation, Climate change, and other human activities.
What are the challenges faced by rainforests?Rainforests face numerous challenges, some of which include:
Deforestation: The clearing of forests for agriculture, logging, and other human activities is a significant threat to rainforests. This destroys the habitats of many animals and plants that live in these forests, leading to a loss of biodiversity.
Climate change: Climate change is affecting rainfall patterns and temperatures in rainforest regions, leading to droughts, fires, and other disruptions that can harm ecosystems.
Illegal hunting and poaching: Many animals in rainforests are hunted and killed for their meat, fur, and other parts, leading to a decline in their populations.
Invasive species: Non-native species that are introduced to rainforests can outcompete native species for resources and disrupt natural ecosystems.
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Explain how a cladogram is used to show evolutionary relatedness
Answer:
A cladogram is a branching diagram that represents the hypothetical relationship (phylogenetic relationship) between different groups of organisms. It is used in phylogenetic analysis to determine the evolutionary relatedness between organisms.
Each branch on a cladogram represents an evolutionary lineage. The names of specific taxa are placed at the end of each branch, while the names of groups to which those taxa belong are placed at the intersection of branches (nodes). By analyzing shared characteristics among different species and their ancestors, scientists can use cladograms to propose and ask questions about their evolutionary relationships.
Atom, molecule, element, compound worksheet HELP!
Need this done in under 40 mins before my class starts, I’m so confused and my friends are too
Molecules are groups of two or more atoms that are held together by chemical bonds. These bonds can be covalent, ionic, or metallic in nature.
What are atoms, molecules and compounds?1) We have only two atoms and two elements
2) We have two atoms, one molecule, one compound and one element
3) We have six atoms, two molecules, two compounds and two elements
4) We have eight atoms, three elements, one compound and one molecule
5) We have five atoms, two elements, one compound, one molecule.
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What do I write on my first lab report biology cred.2 9th grade edginuity
Answer:
im only in 7th ;')
Explanation:
Question 2(Multiple Choice Worth 3 points)
(06.04 MC)
Which table correctly identifies the characteristics shared by the kingdoms Protista and Animalia?
Mobile
Reproduce sexually
Unicellular
Eukaryotic
Reproduce sexually
Mobile
Mobile
Multicellular
Photosynthetic
Mobile
Prokaryotic
Multicellular
The correct table that identifies the characteristics shared by the kingdoms Protista and Animalia is:
Eukaryotic
Mobile
Reproduce sexually (or asexually)
Unicellular (or multicellular)
What is kingdoms Protista and Animalia?Kingdom Protista includes diverse group of eukaryotic organisms that are mostly unicellular and can be autotrophic (photosynthetic) or heterotrophic and can reproduce sexually as well as asexually.
Kingdom Animalia includes eukaryotic organisms that are multicellular, heterotrophic and can be mobile and can reproduce sexually as well as asexually.
Therefore, correct table should include "Eukaryotic" as a characteristic shared by both kingdoms, "Mobile" as a characteristic shared by both kingdoms, and "Reproduce sexually (or asexually)" and "Unicellular (or multicellular)" as characteristics that may vary within each kingdom.
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Select the correct answer from each drop-down menu. Rita was sitting in the garden and reading a book. A sudden breeze went by her, and she sneezed. This reaction is a type of action. In this case, Rita’s response was controlled by her .
Answer:
Involuntary and the brain, because the stem controls involuntary reactions
Explanation:
What will happen if all the sensory nerves stop working in any human's body?
Answer:
If all of the sensory nerves stop working in a human, they would become completely paralyzed. Without sensory input, their body would not be able to function properly and their brain cannot receive information from the outside world. This would result in severe complications, including loss of movement, feeling, and other bodily functions, along with potential long-term physical and mental health problems.Use word bank below to type in and complete sentences. 1 point each.
sweet
smell
traits
hunting
horses
breeds
bred
corn
large
favorable
what is the answer ???????
Meiosis only occurs in plants, mitosis only occurs in animals is not the difference between meiosis and mitosis.
DifferenceMeiosis and mitosis are the two different processes that cells use to divide. When individuals talk about "cell division," they typically refer to the process of creating new body cells called mitosis. Egg and sperm cells are produced by a process called meiosis.Despite having two sets of divisions, meiosis follows a similar set of stages as mitosis. In the initial division, which is similar to mitosis, two cells are produced, each of which has two sets of chromosomes. As the genetic material is not duplicated again during the second division, four cells are produced that each contain one set of chromosomes.Similar to mitosis, meiosis II results in two daughter cells by separating one sister chromatid from each chromosome. Meiosis II segregates sister chromatids, just as mitosis, therefore it is known as the second meiotic division. For more information on meosis and mitosis kindly visit to
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what modals are not scale
Both "must not" and "does not require" are modal verbs. for instance, capacity, necessity, dereliction of duty, and prohibition." Observes that the drawing is not accurate and is not scaled.
Why isn't need a modal?Need qualifies as a semi-modal word because it resembles a modal verb in some ways and a primary verb in others. When indicating that there's no responsibility or necessity to perform something, we most often use the negative version of need: You don't have to remove your shoes.
What's a good example of failing to scale?Your sheet of paper ought to be 324 meters in length if anybody asked us to draw the Eiffel Tower accurately. Painting not to scale entails making an assumption—for example, that 1 cm is equal to 100 m—and taking it into account while producing the image.
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The correct question is
What are not modal verbs?
Compare and contrast how the circulatory system is important to obtaining raw
materials and excreting byproducts of cellular respiration.
The circulatory system is an integral part of cellular respiration by providing the necessary materials to create energy and remove toxins from the body.
What is cellular respiration?Cellular respiration is the process by which cells convert glucose into energy. This process occurs in all living organisms and is essential for life. During cellular respiration, glucose molecules are broken down in the presence of oxygen to produce energy in the form of ATP molecules.
Obtaining raw materials and excreting byproducts of cellular respiration are both accomplished by the circulatory system.
Obtaining raw materials occurs when the circulatory system delivers oxygen and other nutrients to the cells throughout the body. These materials are used in the process of cellular respiration to create energy for the cells. The circulatory system also removes waste products from the cells and transports them to other parts of the body for excretion.
Excreting byproducts of cellular respiration is also accomplished by the circulatory system. The waste products created in cellular respiration are removed from the cells and transported by the circulatory system to other parts of the body for excretion. In this way, the circulatory system helps to keep the body in balance and functioning properly.
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Which of the following describes transgenic organisms?
organisms that receive RNA from another species they could not breed with
organisms that receive DNA from another species they could not breed with
organisms that receive RNA from another species they could breed with
organisms that receive DNA from another species they could breed with
Transgenic organisms are organisms that receive DNA from another species they could not breed with.
What is the purpose of creating transgenic organisms?The purpose of creating transgenic organisms is to introduce desirable traits or characteristics from one species into another, which can have various applications in fields such as agriculture, medicine, and industry.
What is an example of a transgenic organism and how is it used?An example of a transgenic organism is a genetically modified crop plant, which is often engineered to be resistant to pests, herbicides, or environmental stresses. These crops can increase yields, reduce the use of harmful pesticides, and improve the sustainability of agriculture. Another example is the production of insulin by transgenic bacteria, which is used to treat diabetes in humans.
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which of these is nesscessary for natural selection to occur? select all that apply
Answer:
we need the options so that we can help you with the question
What enzyme is responsible for joining the nucleotides to synthesize a new complementary strand of DNA:
During DNA duplication, the enzyme known as DNA polymerase joins nucleotides to create a new complementary strand of DNA.
This procedure is necessary for maintaining the genetic code in living things and for the correct transmission of genetic information from one generation to the next.
DNA polymerase is the enzyme that connects nucleotides to create a new complementary helix of DNA. A crucial enzyme in DNA replication, which is how cells create copies of their DNA, is DNA polymerase.
During DNA replication, DNA polymerase adds nucleotides one by one in a specific sequence in accordance with the base-pairing rules to create a new complementary strand of DNA using one strand of DNA as a template. (A with T, and C with G).
Additionally, DNA polymerase checks for and fixes any mistakes that might emerge during DNA replication to make sure the new DNA strands are exact and faithful duplicates of the original DNA.
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4
Which sentence from the article best explains why some fishes may be dangerous to human
A Though twilight predators are not very good at distinguishing colors, they can detect
shape, outlines, and movement well." (lines 25 and 26)
B
"Many predators that have been quietly waiting in the background all day become more
active at dusk and dawn." (lines 28 and 29)
C "The crepuscular hunters have ingenious ways of picking off their prey." (lines 29 and 30)
D "By thrusting out its lower jaw, its mouth becomes big enough to swallow almost any
prey." (lines 31 and 32)
The correct answer is D "By thrusting out its lower jaw, its mouth becomes big enough to swallow almost any prey.
" (lines 31 and 32) best explains why some fishes may be dangerous to humans. This sentence describes the physical adaptation of certain fish that allows them to swallow almost any prey, including humans, when they extend their lower jaw.
This sentence suggests that the ability of some fish to consume prey much larger than themselves could make them a potential threat to humans.
Therefore, this sentence explains why certain fishes can be dangerous to humans and highlights the importance of being cautious when swimming or diving in areas where such fishes are found.
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is it possible for an A type woman and a B type man to have children that are type O?
Answer:
If one parent has A and another has O, they can either produce a child with A or O blood types.
Explanation:
hope this helps
Open response -read prompt below
The western snowy plover is a small bird that makes its nest in the sand on ocean and
river shores. The snowy plover's breeding season is from March to September. A plover
typically lays three eggs each year. If disturbed, it will often abandon its nest. A snowy
plover and its nest are shown below.
Piping Plover
a. Compare the birth rate (number of eggs hatched) to the death rate in a
population of snowy plovers that is increasing in size. Provide evidence to
support your answer.
In a population of snowy plovers that is increasing in size, the birth rate (number of eggs hatched) would be higher than the death rate.
This is because an increasing population indicates that more individuals are surviving and reproducing successfully than are dying or failing to reproduce.
Snowy plovers typically lay three eggs each breeding season, and if undisturbed, the eggs will hatch and produce new offspring. However, if disturbed, the plovers may abandon their nest, which could result in the loss of the entire clutch of eggs.
Therefore, if the population of snowy plovers is increasing, it suggests that a sufficient number of eggs are hatching and producing new individuals to offset any potential loss due to disturbance or predation. In this scenario, the birth rate would be higher than the death rate, leading to an overall increase in population size.
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What is the answer plssss help
Answer: I think its none of the above
Explanation: forgive me if im wrong
what is believed to have an active and changing atmosphere
Explanation:
Green house effect and global warming
Answer:
Uranus and neptune are called "ice giants" because they experience very low temperatures. This is due to the fact that these two planets are very far from the
which of the following are phenotypes (select all that apply)?
Purple
white
PP
pp
Helpp pleaseeeeee! First response gets brainless answer.
Answer: About an inch to the right from where the arrow is
Explanation: THe Explanation is super easy figure it out!
3. Some investigators found that matings between horses with pale cream coat color
to horses with chestnut coat color produced exclusively "palomino" individuals with
intermediate coat color. A number of matings between palominos themselves pro-
duced 19 pale cream, 21 chestnut, and 44 palominos. (a) Using the first letter of
the alphabet, define gene symbols and suggest genotypes for the three coat colors
(b) If a palomino horse breeder wanted to eliminate pale cream individuals both as
parents and as offspring, but nevertheless wanted to obtain as many palominos as
possible, what breeding method would you suggest that he follow?
In this instance, the mode of inheritance is incomplete dominance, a type of understudied in which one allele for a given trait is not fully expressed over its matched allele.
What does biology mean?In the scientific study of genetics, genes and heredity—the process by which particular traits or qualities are passed down from parents to offspring as a result of differences in DNA sequence—are examined. An region of DNA called a gene contains instructions for making one or more molecules that support biological function.
What are a few genetics examples?In genetics, gene studies are carried out. Our genes allow for the transmission of information from one generation to the next. One child, who is lighter in complexion than their sibling and shares their father's dark hair.
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Which relationship is an example of predation?
O A. Barnacles are nonmoving animals that live on whales without
harming them.
OB. Chickens peck at the ground and eat many types of insects.
OC. Many bird species use tree branches and grass to build nests for
their young.
D. Spanish moss is a type of plant that grows on oak trees.
Answer:
B. Chickens peck at the ground and eat many types of insects.
What would happen to the shadows if the sun moved farther away from the moon and earth. What would happen to the shadows if the sun moves closer to the moon and earth
Answer:
Hopwle you will understand this answer well
Explanation:
if the sun will go far away from earth and moon.the shadow will exchange its position or the earth and moon can't get light and it will be impossible for every living being to survive in the earth..and if the sun moves closer to the earth or moon the temperature will be increasing and the moon can be very shiny due to the getting more amount of light ......