Which of the following statements regarding lipid bilayer is true?
A. The lipid bilayer is flexible and are not able to bend.
B. The hydrophobic molecules are polar and form favorable interactions with water.
C. A typical membrane lipid molecule has a hydrophilic head and are amphoteric.
D. The membrane phospholipids are nonmotile.
E.
The most abundant lipids in cell membranes are phospholipids.
Leopards have spots to blend in with the patches of sunlight on the jungle floor.
How might a trait like spots become more common in a population of leopards?
A. Leopards get their spots by rubbing against each other. Eventually all leopards
in a population will have spots.
B. Blending in helps leopards successfully hunt for food. Leopards with more food
are more likely to survive and pass on their spotted trait to offspring.
C. An adult leopard develops more spots during its lifetime in order to compete
with other leopards.
What information can a scientist learn directly from a single fossil?
A. How many offspring the organism produced
B. The organism's shape and size
C. How the organism is related to others
D. The life expectancy of similar organisms
Answer:
B. The organism's shape and size.
Explanation:
A single fossil can provide information about the shape and size of the organism that it belonged to. Fossils can also provide information about the age of the rock layer in which they were found. However, it is usually difficult to determine other characteristics such as how many offspring the organism produced, its relationships to other organisms, or the life expectancy of similar organisms from a single fossil. These types of information often require the study of multiple fossils or the use of other scientific methods.
IM OFFERING 50 POINTS
Which of the following is not a sustainable wastewater practice that an individual can do?
Don't flush prescription drugs
Use biodegradable flushable's
Use trash bins for tissue
Flushing sanitary napkins
Answer:
D.) Flushing sanitary napkins is not a sustainable wastewater practice that an individual can do.
Explanation:
The other options listed are sustainable wastewater practices. Using biodegradable and flushable products can reduce the amount of waste in the sewer system, but it is important to check if they are truly flushable and won't cause clogs.
2. Animals which share the same space must compete for resources. Which answer is the best example of this?
A. The cattle egret will stay close to grazing animals. When grazing animals move, they stir up insects, which the egret then eats.
B. Some species of orchid look like a female bee. This attracts male bees, who leave pollen so that the orchid can reproduce.
C. Humans cut down forests and built roads in the Florida Everglades. The Florida panthers living there had less territory and their population declined.
D. Rhesus monkeys were released into the wild along Florida's Silver River. The monkeys have adapted to the environment and have lived there for over eighty years.
Please help me with this
"Write a background information about fresh water fish pond" (include citation)
When constructing a freshwater fish pond, several factors must be taken into consideration, including the size and shape of the pond, water quality, and the type of fish species to be raised.
What are the features of a freshwater fish pond?A freshwater fish pond is a man-made body of water that is designed to raise and grow freshwater fish species for commercial or recreational purposes.
These ponds can range in size from small backyard ponds to large commercial operations spanning several acres.
One of the benefits of freshwater fish ponds is their ability to provide a consistent supply of fresh, high-quality fish for consumption. Additionally, these ponds can be used for recreational purposes such as fishing or as an aesthetic addition to a property.
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on lagging strand when DNA polymerase reaches the next okazaki fragment it detaches and moves to the next section of DNA that is primed it continue moving in a 3' to 5' direction and repeats this pattern of detaching and moving to a newly primed section of DNA
The given statement " on lagging strand when DNA polymerase reaches the next okazaki fragment it detaches and moves to the next section of DNA that is primed it continue moving in a 3' to 5' direction and repeats this pattern of detaching and moving to a newly primed section of DNA" is false.
DNA polymerase does not move in a 3' to 5' direction during replication, rather it moves in a 5' to 3' direction. On the lagging strand, DNA polymerase synthesizes short discontinuous fragments called Okazaki fragments in a 5' to 3' direction away from the replication fork. When DNA polymerase reaches the end of one Okazaki fragment and encounters the beginning of the next, it does not detach from the DNA strand, rather it remains bound to the template strand and continues extending the new fragment in a 5' to 3' direction towards the replication fork.
On the leading strand, DNA polymerase moves continuously in a 5' to 3' direction towards the replication fork, without detaching from the template strand. The process of DNA replication involves complex enzymatic reactions, and it is important to understand the correct directionality and mechanisms involved to accurately explain the process.
Therefore, the given statement is false
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The question is incomplete. the complete question is:
On lagging strand when DNA polymerase reaches the next okazaki fragment it detaches and moves to the next section of DNA that is primed it continue moving in a 3' to 5' direction and repeats this pattern of detaching and moving to a newly primed section of DNA . TRUE/ FALSE
When was the Agricultural Revolution?
O 8,000 BC
O 200,000 BC
O 20,000 BC
O 80,000 BC
Name one type of plant cell that has holes in it to allow substances to flow through.
DEM
4. In a common breed of sheep, white wool is dominant over black wool, and short care is
the heterozygous(e) condition between long eared (EB) and earless (ee). This is an
example of incomplete dominance. What genotyple ratio will result from a cross
between a white long eared ram and black short eared ewe, if a black short-eared lamb
has already been produced from this mating?
Define alleles (pt)
a. The genotypes of the parents (1pt):
You do not need to do a phenotyple ratio for
b. How many white short-eared sheep would
The genotypes of the parents must be EB respectively
What is the result of the cross?Alleles are different gene forms that share the same location on a chromosome and regulate the same trait. An individual can have two alleles (one from each parent) for each gene, and they can be dominant or recessive.
This cross would not produce any white short-eared sheep. Either the long-eared offspring would be white or the short-eared offspring would be black. The cross shows that about 100 of the white short-eared sheep would be produced.
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For the bacteria Neisseria gonorrhoeae:
Answer: gono bacteria to its finest point
Explanation:
evaluating the paragraph and re-read 1 - 3 because of its form it will develop but keep its name, because of the developing it is now at its finest point
(a) What is the definition of a motor unit? (b) What is the structural and functional difference between a large motor unit and a small motor unit? Can you give an example of each? (c) Why is the neurotransmitter acetylcholine degraded after binding to its receptor?
Answer:
Explanation: A. motor units, defined as a motoneuron and all of its associated muscle fibers
B. Small α motor neurons innervate relatively few muscle fibers and form motor units that generate small forces, whereas large motor neurons innervate larger, more powerful motor units.
C. no excess of acetylcholine remains in the synaptic cleft to cause the continuous activation of receptors
Please give me a brainly.......
The process of cellular respiration
A.
results in the absorption of carbon dioxide from the atmosphere.
B.
involves the storage of energy in the form of glucose.
C.
releases oxygen and water into the atmosphere.
D.
generates carbon dioxide and releases it into the atmosphere.
Explanation:
generates carbon dioxide and releases it into the atmosphere. <3
HELP ME PLEASE!!! *80 points and brainliest for best answer*
Fill in the punnet square: (Picture of punnet square attached below)
In the completed Punnett square, what percentage of the offspring are homozygous recessive?
Both of the answers are little t because T and t make Tt and t and t make tt so both are t
Why is expressed sequence tag library a fitting name for a collection of clones made from mRNA?
please help :((((
Which option best describes the water cycle?
A.
The cycling of water through a living organism over the organism's lifetime
B.
The flow of water through the biosphere, atmosphere, lithosphere, and hydrosphere
C.
The cycling of thermal energy through rain, snow, and other forms of precipitation
D.
The flow of thermal energy, water, and salts through the ocean conveyor belt
B.
its a close description to rain wster
What structure do fish lose that other vertebrates keep?
Aquatic vertebrates such as fish have developed special adaptations to live in water. Loss of a bone component in their ears known as the "labyrinthine apparatus" is one of these adaptations.
All other vertebrates have this structure, which serves as a sound wave detector and aids in balance and orientation. However, in fish, a more straightforward system of canals filled with fluid and sensory cells has taken the place of this structure.
It is believed that fish evolved without the labyrinthine apparatus to lighten the weight of their heads and increase swimming efficiency.
Fish have evolved various adaptations, such as specialised sense organs and lateral lines, to navigate and live in their aquatic environment despite the absence of this structure.
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How are precipitation and humidity similar?
Both are common to clear, calm weather.
Both are measured in Celsius or Fahrenheit.
Both involve moisture in the atmosphere.
Both are shown as "H" symbols on weather maps.
Answer:
Both involve moisture in the atmosphere.
Explanation:
Precipitation and humidity are similar because they both involve moisture in the atmosphere.
silt suspended in the water surrounding a coral reef near
the coast of a small island community in the Caribbean Sea
Origin:
Effect on one organism:
Effect on humans:
Origin; Silt suspended in the water surrounding a coral reef near the coast of a small island community in the Caribbean Sea, Effect on one organism; Silt suspended in the water can have negative effects on the coral reef ecosystem. and Effect on humans; The silt suspended in the water can also have negative effects on humans.
Effect on one organism; Silt suspended in the water can have negative effects on the coral reef ecosystem. Silt can reduce the amount of light available to the coral and other photosynthetic organisms, hindering their ability to produce energy through photosynthesis. Additionally, silt can clog the coral's feeding and respiratory structures, causing them to starve or suffocate.
Effect on humans; The silt suspended in the water can also have negative effects on humans. Silt can reduce the water quality, making it cloudy and turbid, and reducing visibility for swimmers, divers, and snorkelers. Silt can also smother and kill seagrasses and other plants, which provide important habitat and food for fish and other marine animals, potentially reducing the amount of seafood available for human consumption.
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what is the basic concept behind relative age dating of fossils a the Upper Rock layers were deposited earlier in the Lower Rock layers b the Lower Rock layers were deposited earlier than the Upper Rock layers c the older fossils contain relatively higher levels of radioactive d the younger fossils contain relatively higher levels of radioactive isotopes in the older fossils
The basic concept behind relative age dating of fossils is that the Lower Rock layers were deposited earlier than the Upper Rock layers. This is because the principle of superposition states that in an undisturbed sequence of sedimentary rocks, the oldest rocks are at the bottom, and the youngest rocks are at the top. As a result, fossils found in the lower layers are generally older than those found in the upper layers. This method of dating does not rely on measuring radioactive isotopes or other methods that require absolute dates, but rather on the relative position of the fossils within the layers of rock.
%. When a few individuals become isolated from a larger population and establish a new one whose gene pool is not reflective of the source population is called
Genetic drift and tends to lead to a loss of genetic diversity
b. Genetic drift and tends to lead to an increase in genetic diversity
c. Gene flow and tends to lead to a reduction in genetic differences between the populations
d. Gene flow and tends to lead to an increase in genetic differences between the populations
Answer:The answer is D
College Biology help please
Based on the figure of differential gene expression shown:
Bicoid does not have any effect on the expression of Caudal.Nanos decreases the expression of Hunchback.What is the strategy being used to initiate differential gene expression here?The strategy being used to initiate differential gene expression in the developing fly larva is the establishment of morphogen gradients.
These gradients determine the spatial pattern of gene expression, leading to the formation of different cell types along the anterior-posterior and dorsal-ventral axes of the larva.
The genes coding for the mRNAs for Bicoid, Caudal, Nanos, and Hunchback are differentially expressed.
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The diagram shows three plant cells and the solute concentrations of their cell solutions. Explain how water will move between the cells and by which process.
0.8%
Cell two
(
0.7%
Cell one
0.6%
Cell three
Answer:
Osmosis
Explanation:
water is drawn into the root hair cell by osmosis.The cell sap is usually more concentrated than the soil water.A concentration gradient exists between the cell sap in the vacuole of the root hair cell and the soil water.This exerts a higher osmotic pressure that leads to drawing of water molecules into the root hair cell by osmosis then finally to the xylem vessels.
From the presentation, choose an example of an environmental justice issue that impacts workers or communities. Explain what the issue is, and how modern agriculture is contributing to it.
Answer:
Environmental justice issues and examples include inadequate access to healthy food, inadequate transportation, air and water pollution, and unsafe homes.
A grassland ecosystem experiences an especially rainy year. During the same
year, the rabbit population in the grassland increases sharply. What is the
most likely reason for this increase?
A. The ecosystem's carrying capacity is lower, so fewer rabbits have
immigrated and more have died.
B. The ecosystem's carrying capacity is higher, so fewer rabbits have
been born and more have emigrated.
C. The ecosystem's carrying capacity is lower, so more rabbits have
emigrated and fewer have been born.
D. The ecosystem's carrying capacity is higher, so more rabbits have
been born and fewer have died.
Answer: C.
Explanation:
The ecosystem's carrying capacity is lower, so more rabbits have
emigrated and fewer have been born.
In the triangles, HG = MP and GK = PN. Triangles H G K and M P N are shown. Side H K has a length of 15 millimeters. Side M N has a length of 11 millimeters. Sides H G and M P are congruent. Sides G K and P N are congruent.
Since HG = MP and GK = PN, triangles H G K and M P N are congruent by the Side-Side-Side (SSS) congruence criterion.
Therefore, the corresponding angles and sides of the two triangles are equal. In particular, we have:
Angle H is congruent to angle M (corresponding angles).
Angle G is congruent to angle N (corresponding angles).
Side HG is congruent to side MP (given).
Side GK is congruent to side PN (given).
Side HK is congruent to side MN (given).
Based on this, we can conclude that the following statements are true:
Angle H is congruent to angle M.
Angle G is congruent to angle N.
Side HG is congruent to side MP.
Side GK is congruent to side PN.
Side HK is not congruent to side GN, as they are not corresponding sides.
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the question is incomplete. complete question is
In the triangles, HG = MP and GK = PN. Triangles H G K and M P N are shown. Side H K has a length of 15 millimeters. Side M N has a length of 11 millimeters. Sides H G and M P are congruent. Sides G K and P N are congruent. Which statement about the sides and angles is true?
Find every angle of rotation that maps the figure onto itself.
Answer: Assuming the rectangle is not a square, a rotation of 180º, -180º, 360º, -360º will rotate the rectangle back onto itself.
If you want to consider angles beyond 360º, any rotation of k(180º) where k is an integer will work.
If you are looking at that special case of rectangle known as a square, any rotation of k(90º), where k is an integer will do the trick.
Explanation:
when heat is transferred through gases
Explanation:
Convection: Convection is the mode of heat transfer which occurs mostly in liquids and gases.
Which of the following shows that Secretary of State Kerry is determined to end the fighting?
1.11 Graded Assignment: Discussion: Differentiating Among Newton's First, Second, and Third Laws
So you have to write what are the differences between newtons 3 laws and what they are
1. Newton's first law of motion projects that a object at rest will remain at rest, and a object in motion will remain in motion with a constant velocity, until or unless a force is acted upon by the external environment.
2. Newton's second law of motion projects that the acceleration of an object is considered to be directly proportional to the net force acting on the object and generally inversely proportional to its mass.
3. Newton's third law of motion projects that for every action, there is an equal and opposite reaction.
The first law is also renowned as the law of inertia. The second law thoroughly distinguishes the relationship between applied force and the rate of change of momentum. And finally the third law is also know as the law of action and reaction because it depends on the type of stimulus that is experienced from the environment when the individual is applying force.
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