The reason that explains why DNA replication occurs in a continuous-discontinuous fashion is that DNA polymerase only works to add nucleotides in one direction of the growing chain.
Whta is DNA replication?DNA replication refers to the process by which the genetic material is replicated before cell division.
DNA replication involved specific enzymes that work in a concerted manner to replicate DNA molecules.
DNA polymerase is a specific enzyme used during DNA replication to add nucleotides in direction 5' to 3', which is the direction of the growing chain.
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What does NOT occur during the mitosis stage of the cell cycle?
____ is a blanket of fat wrapped around the main part of the neuron that keeps the brain's electrical signals on one path and increases their speed.
Answer:
Myelin.
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Look at these data. Beak depth, the distance from the top to the bottom of the beak, is controlled by the bird's
genes. The bar chart shows the variation in beak size before a drought. The survival of birds after the drought
with a particular bill depth is shown by the yellow line. Explain how these data support the idea of natural
selection among the finches.
Directional selection increased the frequency of individuals carrying the larger bill depths and decreased the frequency of individuals carring small and medium bill depths.
What is directional selection?Natural selection is an evolutive force that favors beneficial alleles and increase their frequency in the population.
Directional selection is the way in which natural selection acts on a population by increasing the proportion of individuals with an extreme phenotypic trait.
This selection presents more frequently in those cases in which interactions between living organisms and the environment modify in the same direction.
Data on the chart Before the drought ⇒ Bar chart.The chart indicates that before the drought, the average size of the bill depth was 9.5 mm. This is an intermediate phenotype between the shortest (7.5 mm) and the largest (11 mm).
So, most individuals in the population expressed the intermediate phenotype of the bill depth.
After the drought ⇒ Line chart
The line chart indicates that, after the drought,
→ only individuals with the largest bill depth (one of the extreme phenotypes) expressed the highest survival rates.
→ Individuals with the shortest bill depth (the other extreme phenotype) expressed the lowest survival rates.
→ Individuals with the intermediate phenotype expressed an intermediate survival rate.
Directional selection favored one of the extreme phenotype -largest bill depths- over the other extreme phenotype and over the intermediate phenotype.
The frequency of individuals carrying the largest bill depths increased.
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What biomolecule do plants make during photosynthesis?
PLZ help Bees need flowers that produce a lot of pollen. Which biotechnology could scientists use to make flowers full of pollen?
Answer:Pollinating insects such as honeybees play a critical role in maintaining the natural environment. The decline in honeybee populations is a global issue with significant repercussions with respect to the pollination of plants. The simultaneous expression of multifunctionality from synthesized ionic liquid gels (ILGs) for biotechnology is presented in this study. We also demonstrate that, when mixed with photochromic organic compounds, ILGs display rapid color changes, similar to light-triggered camouflage, on living Musca domestica specimens. By further exploiting the physicochemical properties of ILGs, we were able to achieve effective pollen adsorption by ILG-functionalized Formica japonica specimens from Tulipa gesneriana flowers with high biocompatibility. In addition, a radiowave-controllable bio-inspired flying robot equipped with ILG-coated vertically aligned animal hairs could be used to successfully pollinate Lilium japonicum flowers. Such materially engineered artificial plant pollinators should lead to the development of high-performance robotics that can help counter the decline in honeybee populations.
Explanation: this is an article I found hope it helps
Help me the first to answer will get brainiest
What organic substance are both of these enzymes digesting ?
Answer:
if a substance has a pH higher than 7 it is considered to be a
base
if a substance has a pH lower than 7, it is considered to be an
acid
The substance with which an enzyme reacts is its
substrate
hope this helps you!!!!
Explanation:
Pancreatic fluid contains enzymes that can digest all four types of macromolecules: carbohydrates, lipids, proteins, and nucleic acids. Into which organ does the pancreas excrete those enzymes
The pancreas releases the enzymes that can digest all biomolecules located in its juice into the stomach organ of the body.
What is pancreatic juice?Pancreatic juice is a liquid substance that is produced by the pancreas organ and contains series of digestive enzymes.
According to this question, these enzymes embedded in the pancreatic juice can break down all the four biomolecules of food.
This means that the pancreas will release its enzyme-containing content into the stomach for it to act on each class of food.
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Yesterday a car rental agency rented a number of different vehicles.
sedans
1
minivans
1
convertibles
4
3
sport utility vehicles
pickup trucks
1
Considering this data, how many of the first 15 vehicles rented today should
you expect to be convertibles?
convertibles 4 Sport utility vehicles 3 Pickup trucks 1
Answer:
6
Explanation:
First, write the experimental probability as a fraction in simplest form.
P(convertible)
=
convertibles
total
=
4
1+1+4+3+1
=
4
10
=
2
5
The experimental probability is
2
5
.
We can predict the outcome of the second set of trials by assuming that the ratio will be the same as in the first set of trials. Write a proportion by setting the two ratios equal to each other, then solve.
2
5
=
n
15
2
5
(515)
=
n
15
(515) Multiply both sides by (515)
215
= 5n Simplify
30
= 5n Simplify
6
= n Divide both sides by 5
Which of the following describes an important function of Lipids? please no links
A.) Lipids store energy in their bonds.
B.) Lipids from cellulose, which give plants structure.
C.) Lipids help plants absorb the sun's energy.
D.) Lipids store hereditary information
Answer:
B.) Lipids form cellulose, which gives plants structure.
Explanation:
you can find the link here! JKKKK JJJKKKKK
characteristics of pinworm
Explanation:
Male pinworms are 2 to 5 mm (about 0.08 to 0.2 inch) long; females range in length from 8 to 13 mm. The long tails of the worms give them a pinlike appearance. Pinworms usually occur in the large intestine but sometimes are found in the small intestine, the stomach, or farther up the gastrointestinal tract .
A boat heading out to sea starts out at Point AA, at a horizontal distance of 1292 feet from a lighthouse/the shore. From that point, the boat’s crew measures the angle of elevation to the lighthouse’s beacon-light from that point to be 12^{\circ}
∘
. At some later time, the crew measures the angle of elevation from point BB to be 6^{\circ}
∘
. Find the distance from point AA to point BB
The distance from point A to point B is 1320.9 feet
What is trigonometric ratio?
Trigonometric ratio is used to show the relationship between the sides and angles of a right angled triangle.
Let h represent the height of the light house, hence:
tan(12) = h/1292
h = 274.6 feet
Let d represent the distance from point B to the feet of the light house, hence:
tan(6) = 274.6/d
d = 2612.9 feet
The distance from point A to point B = 2612.9 feet - 1292 = 1320.9 feet
The distance from point A to point B is 1320.9 feet
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If a nerve cell stopped functioning, the cell would
F start producing oxygen.
G begin dividing into more cells.
H become a different type of cell.
J stop sending signals to the brain.
Answer:
J stop sending signals to the brain
Explanation:
If a nerve cell stopped functioning, the cell would stop sending signals to the brain. The correct option is J.
What are nerve cells?Nerve cells, also referred to as neurons, are 'excitatory' cells that can convert a variety of stimulation into electrical signals.
It usually aids in consistent sending information about the external as well as internal environment to the central nervous system in the form of action scenes of action potentials.
Neurons are the basic units of the nervous system, including the cells that receive sensory input from the outside world, send motor commands to our muscles, and transform and relay electrical signals at every phase between each one.
Thus, the correct option is J as any damage in the nerve cell can lead to impaired signaling to the brain.
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IGCSE biology
name the part of the blood in which most carbon dioxide is transported
Answer:
the name of part of blood in which most carbondioxide is transported are:
1) dissolved in solution
2) buffered with water as carbonic acid
3) bound to protiens, particularly haemoglobin
PLEASE HURRY IM TIMED What are the characteristics of a fibrous root system? (Select all that apply.) made up of one large root made up of many roots made up of thin roots made up of branched roots
Answer:
Fibrous roots are made up of many thin, branched roots. A taproot system has one large root. Many small, thin roots grow out from the large root
Explanation:
Hope this helps btw put in own words !!
how you feel about climate change?
Tell me how you feel on one page
Answer:
I feel negative against Climate Change.
Explanation:
Climate Change is trapping Co2 into the earth's atmosphere, raising the temperature of the Earth. Because of that, it's melting the Antarctic and killing millions of animals. Not only that, but it's also causing droughts, and usually droughts are the cause(s) of famine which kill millions of not only animals, but humans too. Therefore, I feel negative emotions about Climate Change.
please help asap thank you
Answer:
What is the question?
Explanation:
there is a ratio of 5 girls to 3 boys in the chorus there are 24 boys in the chorus how much girl are in the chorus
Answer:
40 girls
Explanation:
Which best describes Darwin's studies that led to the theory of evolution?
extensive research of an individual organism within a short period
O extensive research of an individual organism over many years
O observations and data collected within a short period
O observations and data collected over many years
What’s the answer to this biology question?
Answer:
The answer is D observations and data collected over many years
Explanation:
um i don't have one
Answer: D
Explanation:) edge 2022
what is the fastest land animal?
Answer:
The fastest land animal is the cheetah coming in at 80 miles per hour being the average top speed.
Explanation:
Answer:
Cheetahs are the world's fastest land animal, capable of reaching speeds of up to 70 mph.
Explanation:
At 60–90cm, the muscular tail is half the head and body length. It acts like a counterbalance, aiding high speed manoeuvring. The exceptionally long vertebral column has amazing flexibility, and as it flexes and straightens this boosts stride length.Compared with other cats, all of the leg bones are stretched. The tibia and fibula are also fused to give more stability at speed, though this interferes with climbing.
Please help me
this is due today
77 points
I will mark brainliest
List the major phyla under the kingdom protoctist
Answer:
Pyrrhophyta (dinoflagellates)
Euglenophyta (euglenoids)
Chrysophyta (golden algae)
Rhodophyta (red algae)
Explanation:
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What volume of silver metal will weigh 2.5 kg? The density of silver is 10.5 g/cm3.
The spread of the flu was lessened by which medical breakthrough?
vaccines
closures
quarantines
antibiotics
examine the table, if a mutation occurred in the indicated region, which areas would you expect the Pitx1 gene.” check all that apply
Mutation result in changes in the nucleotides sequence in genes, so a mutation of the Pitx1 gene will change the nucleotide sequence in the gene.
What is a mutation?A mutation refers to a change that occurs in the sequence of nucleotides in DNA molecules.
Since gene are regions of a DNA molecule that codes for a protein or gene product, a mutation will affect the gene product.
Therefore, for the Pitx1 gene, a mutation will change the nucleotide sequence in the gene.
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Which of the following can affect the rate at which a chemical reaction will occur?
Ecological succession is...
A. a series of changes that occur in an
ecosystem over time.
B. the evolution of an organism over
time.
C. the movement of new species into
an established ecosystem.
Answer: progressive changes in the species that make up a community over time.
Explanation:
Answer:Its A. a Series of changes that occur in a ecosystem over time.
Explanation: Ecological succession is the process of change in the species structure of an ecological community over time.
Hope this helps ^^
HELP ASAP
Match each rock type with the correct description.
1. Made from eroded land
sedimentary
2. Changed by heat and pressure
igneous
3. Made from melted minerals
metamorphic
Answer;
Igneous - Made from melted minerals
Metamorphic - Changed by heat and pressure
Sedimentary - Eroded land
Explanation:
<3
Answer:
1. sedimentary
2. metamorphic
3. igneous
Explanation:
What would be the best title for the image shown?
Creating Daughter Cells ,
Cell Differentiation ,
Cell Division ,
Stages of Mitosis
Answer:
i dont know i just want points
Explanation:
what is buccopharyngeal?
Answer:
the cheek or the mouth of a pharynx
Explanation:
Answer:
its basically related to your jaw area
Explanation:
Relating to the cheek or mouth and the pharynx.
hope that helps:)
Why are tidal patterns generally predictable?
Answer:
The rise and fall of the tides, which are driven by the gravitational attraction of the Sun and Moon on Earth's ocean are another cause of currents. ... The speed and direction of tidal currents are predictable. Tidal currents are the only type of current affected by the interactions of Earth, the Sun, and the Moon.
Explanation: