Dna is synthesized through a process known as DNA Replication.
DNA is synthesized through a process known as - DNA replication or semiconservative replication.
DNA replicationsynthesis of new DNA. a double-stranded DNA molecule is copied to produce two identical DNA molecules.is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information or DNA.the replication takes place in the following steps:step 1in the nucleus of the cell the DNA double helix separates after that an enzyme named DNA helicase attaches to the DNA molecule and moves along the molecule and 'unzips' the two strands of DNA
Step 2since nucleotides are floating in the nucleus that means there are A, G, T and C's floating around also. these are bases that form hydrogen bonds with the bases of DNA strands.
Step 3
the enzyme they call DNA polymerase catalyzes the formation of the sugar-phosphate units at the sides of the helix and connects one base pair to the next one
Thus, DNA is synthesized through a process known as - DNA replication or semiconservative replication.
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mot nucleoxom co cau truc gom
Someone plz help me :(
Answer:
it's a or c but I think it's a
What parts of our eyes help us see light?
Answer:
it's called the renting it controls the pupil
Imagine for a moment that a large artery formed two branches carrying blood to two different organs. Branch 1 has a radius of 0.5 cm and Branch 2 has a radius of 1.0 cm. If the blood flow rate in Branch 1 is 2ml/min, what do you expect the blood flow rate of Branch 2 to be
The flow rate through Branch 2 is 8·√2 ml/min
Reasons:
Radius of Branch 1 = 0.5 cm
Radius of Branch 2 = 1.0 cm
Flow rate, Q = Velocity, V × Area, A
The area of the Branch 1 = π × 0.5² = 0.25·π
We have;
[tex]\dfrac{v_1^2}{r_1} = \dfrac{v_2^2}{r_2}[/tex]
Which gives;
[tex]v_2 = \mathbf{\sqrt{\dfrac{v_1^2}{r_1} \times r_2}}[/tex]
[tex]The \ velocity \ of \ Branch 1 , \ v_1 = \dfrac{2}{\pi \times 0.5^2} = \dfrac{8}{\pi}[/tex]
Therefore;
[tex]v_2 = \sqrt{\dfrac{\left(\dfrac{8}{\pi} \right) ^2}{0.5} \times1} = 8 \cdot\dfrac{\sqrt{2} }{\pi}[/tex]
[tex]The \ flow \ rate, \ Q_2 = 8 \cdot\dfrac{\sqrt{2} }{\pi} \times \pi \times 1^2 = 8 \times \sqrt{2}[/tex]
The flow rate through Branch 2 = 8·√2 ml/min
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_______ is the backup energy molecule that can be used to rapidly regenerate depleted ATP in active skeletal muscle.
Answer:
Phosphocreatine
Explanation:
describe the function of the denticulate ligaments
Answer:
The function of the denticulate ligament is the stabilize the spinal cord in the vertebral canal.
Use the F=ma triangle to determine the mass of an object accelerating at a rate of 10m/s2 due to a force of 60N that was applied to that object.
Answer:
6
Explanation:
For this question it just takes a little bit of simple algebra. F=MA is an equation that will pop up again if you continue with an interest in science. F=MA actually say force=mass(acceleration). Which then is changed for this problem to M=F/A.
60/10=6
what direction does rna polymerase synthesize rna?
Answer:RNA polymerase synthesizes an RNA transcript complementary to the DNA template strand in the 5' to 3' direction. It moves forward along the template strand in the 3' to 5' direction, opening the DNA double helix as it goes.
Explanation:
Carbon compounds that come from living organisms are called _____ compounds.
Answer: organic compounds
Which items are TRUE about minerals? Select the three correct answers. (2 points)
Observing one property is often the best way to identify minerals,
Rocks are the components that make up minerals.
Minerals can only be identified by their color and hardness.
Minerals are the components that make up rocks.
O Minerals are naturally occurring substances
Minerals are made of one element or one compound of elements
Answer:
The correct answers are 1) minerals are the components that make up rocks. 2) Minerals can only be identified that make up minerals. 3) Minerals are made of one element or one compound of elements.
Explanation:
I took the test. I got this question wrong but after submitting it, the lesson should me the correct answer.
The items that are true about minerals are:
Minerals are naturally occurring substances.Minerals are inorganic and homogeneous substances, which can be found on the surface of the Earth, formed in it naturally / spontaneously.
Minerals are made of one element or one compound of elements.Minerals are found in various forms in nature since they can be of a single element, such as gold, silver, copper, or a combination of elements, such is the case of some chemical compounds such as quartz, which is formed by silicon and oxygen.
Minerals are the components that make up rocks.A rock is a material that can be made up of a mineral or a combination of them, but its chemical composition is variable.
Therefore, we can conclude that a mineral is a substance produced by processes of inorganic nature which are made of one element or one compound of elements.
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Genetic variation is needed for the long-term survival of a species.
True
False
What change in the mass number of a nucleus occurs when the nucleus emits an alpha particle?
Answer:
Protons are positively charged. When a nucleus emits an alpha particle, these changes happen: the mass number decreases by 4. the atomic number decreases by 2.
Explanation:
Protons are positively charged. When a nucleus emits an alpha particle, these changes happen: the mass number decreases by 4. the atomic number decreases by 2.
Females have the chromosomes XY.
True
False
Answer:
False
Explanation:
The X chromosome is one of two sex chromosomes. Humans and most mammals have two sex chromosomes, the X and Y. Females have two X chromosomes in their cells, while males have X and Y chromosomes in their cells
(Hope this helps can I pls have brainlist (crown)☺️
Answer:
false
Explanation:
female have XX
Why are crystals in minerals formed from magma larger than mineral crystals formed from lava?
Answer:
Magma cools slowly inside Earth, which gives mineral crystals time to grow large enough to be seen clearly. Lava cools much more rapidly than magma when it is below the surface. In a cooling lava, mineral crystals do not have time to form and are very small.
which is a wildlife species category that state resource agencies may use
Wildlife species are defined as undomesticated animal, plant, or organism that grows in the wild and are not introduced to humans. The species that can be used by the state resource agencies are large mammals, small mammals, birds of prey, and waterfowl.
The animals that can be hunted legally must be:
The animal can be used as food and should be useful. The population of the animals should be high. The hunters should have a challenge while hunting them.Also, some species labeled as endangered must be protected by law. These species are on the verge of getting extinct and are present in the least numbers to harvest.
Thus, the state agencies may use large mammals, small mammals, and waterfowl.
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and this one pls thx ill mark brainliest
Answer: the brain already knows what to do.
Explanation:
brainilest me
3. The abilities to dissolve in water and to conduct electricity are examples of
A. natural properties.
B. chemical properties.
C. natural laws of matter.
D. physical properties.
Answer:
D
Explanation:
in the process of genetic profiling/dna fingerprinting, what is compared between two people/samples?
Answer:
"DNA fingerprinting is a laboratory technique used to establish a link between biological evidence and a suspect in a criminal investigation. A DNA sample taken from a crime scene is compared with a DNA sample from a suspect. If the two DNA profiles are a match, then the evidence came from that suspect." information from a website so reword it a bit and you should be ok.
In the process of genetic profiling/ data fingerprinting, genetic profiling is a process that can be compared between two people/samples.
What is genetic profiling?DNA profiling compares only the most variable sections of DNA, which has an advantage over whole genome sequencing when seeking to identify genetic changes between two individuals.
In the field of biology known as comparative genomics, genome sequences from various species—including humans, mice, and a broad variety of other organisms—from bacteria to chimpanzees are compared.
"DNA fingerprinting is a lab method used to connect biological evidence to a defendant in a criminal investigation. A DNA sample from a suspect is compared to one acquired from a crime scene. The evidence originated from that suspect if the two DNA profiles match.
Therefore, genetic profiling is compared between two people/samples.
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What organism aids your body with digestion?
Answer:
mouth, esophagus, stomach, small intestine, large intestine, rectum and anxs.
Why is an atom said to be electrically neutral? Please i need further explanation
pls answer fast need it now
Answer:
1 8
2 9
3 10
4 11
5 12
6 13
7 14
15
Explanation:
Which of the following is released during cellular respiration?
Carbon dioxide
Glucose
Mitochondria
Oxygen
Answer:
carbon dioxide ( CO2 ) is released during cellular respiration
Answer:
Carbon dioxide
Explanation:
At school we are taught that there is a dominant gene for brown eyes and a recessive one for blue.
In this sentence, dominant means:
A. having undergone mutation
B. of or relating to single-cell organisms
C. having reached full development, growth, or
maturity
D. producing a trait even when inherited from only
one parent
Answer:
D. Producing a trait even when inherited from only one parent
Explanation:
A dominant gene, or a dominant version of a gene, is a particular variant of a gene, which for a variety of reasons, expresses itself more strongly all by itself than any other version of the gene which the person is carrying, and, in this case, the recessive.
Which of the following best describes differences between birds and reptiles?
O Birds are endothermic and have four-chambered hearts, while reptiles are ectothermic and have three-
Birds have feathers a brain and sensory organs, while reptiles have scales and a brain but lack senso
Birds are vertebrates and have specialized lungs, while reptiles are invertebrates and have gills and sca
Birds lay eggs and are ectothermic while reptiles undergo internal fertilization and are endothermic.
Answer:
(A) Birds are endothermic and have four-chambered hearts, while reptiles are ectothermic and have three-chambered hearts.
Explanation:
got it right on the test
Birds and reptiles both belong to the animal kingdom. Reptiles are ectothermic and have three-chambered hearts, whereas birds are endothermic and have four-chambered hearts. Thus, option A is correct.
What are the characteristics of birds and reptiles?Birds and reptiles both belong to the kingdom Animalia and are chordates. They both have vertebral columns and the presence of the backbone. They share many similarities and differences in their physical appearances.
The birds are endothermic and can maintain constant body tempearture regardless of the external environment. While reptiles are ectothermic (cold-blooded) and regulate their temperature based on the external environment.
The birds have four-chambered hearts like mammals that separate the oxygenated from the de-oxygenated blood, whereas the reptiles have three-chambered hearts with one ventricle and two atria.
Therefore, the birds are endothermic, and reptiles are ectothermic.
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Leaves are modified as tendrils for climbing as in
a) Cactus
b) Pea
c)Citrus
d)Bougainvillea
Answer: pea
Explanation:
In the garden pea, it is only the terminal leaflets that are modified to become tendrils. In other plants such as the yellow vetch (Lathyrus aphaca), the whole leaf is modified to become tendrils while the stipules become enlarged and carry out photosynthesis.
Write an equation for the line with slope -5 and y-intercept of 14? O A. y = -5x - 14 O B. y = -5x + 14 HE 0 C. y = -5x + 18 O D. y = -5x + 6 HUSS
Answer:
The equation of a line is written in the form y=mx+b. ”m” is the slope and “b” is the y-intercept. Plugging in the given values, the equation of the line is y=-5x + 14.
:)
in what part of the given pathway is norepinephrine secreted?
Answer:
From the varicosities of the postganglionic fiberSource: Mastering A&P #10: The Sympathetic and Parasympathetic System - QuizletThe spread of information from one neuron to several neurons, or from one pool to multiple pools, is known as __________.
Answer:
Divergence
Explanation:
Divergence is the answer because divergence spreads information to several neurons.
if the woman and a man with normal clotting function have one biological daughter and one biological son, which children are predicted to have hemphilia A
A key limitation of the coefficient of community is that it lacks the ability to:
Answer:
calculate the similarity between two communities.
Explanation: