Answer:
by speciation
Explanation:
new species from by speciation, in which an ancestral population splits into two or more genetically distinct descendant populations.
The symptoms of Parkinson's disease are temporarily alleviated in some patients by injections of
a. L-dopa.
b. tyrosine.
c. dopamine.
d. serotonin.
e. adrenaline.
Answer:
a.L-dopa
Explanation:
Levodopa treatment represents the most effective treatment for Parkinson's disease. However, chronic treatment is associated with the development of motor complications (motor fluctuations, dyskinesia) in most patients.
The video covered the relative pressures in different blood vessels throughout the vascular system. Rank the blood vessels from lowest blood pressure to highest blood pressure.
Your blood's force against your artery walls is measured as blood pressure. Your heart pumps blood into the arteries with each heartbeat. If your heart is beating and pumping blood, your blood pressure will be at its highest.
How blood pressure increases or decreases?
The aorta has the highest blood pressure in the general circulation, while the vena cava has the lowest blood pressure. This implies that when blood travels from the aorta to the rest of the body, blood pressure decreases in the general circulation. The aorta releases pressure into the arteries, which release pressure into the arterioles, which release pressure into the capillaries. Before blood starts to collect in the venules, capillary flow rate hits a minimum. The venules, veins, and vena cavae all continue to lose pressure.Lowest mean pressure
- venae cavae
- veins
- capillaries
- arterioles
- aorta
Highest mean pressure
Learn more about the Blood circulation with the help of the given link:
https://brainly.com/question/3346248
#SPJ4
If you have a twin, are they identical? Or non-identical?
Answer:
Yes they're identical
Explanation:
We just are
Answer:non identical
Explanation:this is because twins may look identical but differ from each other at a certain aspect . It can be their physical appearance or even their intelligence. You may see them as identical but trust me they are not
Which statement describes the condition of the heart at the point indicated in the electrocardiogram? The muscles of the atria depolarize. The muscles of the ventricles depolarize. The muscles of the atria repolarize. The muscles of the ventricles repolarize.
(A) The muscles of the atria depolarize describes the condition of the heart at the point indicated in the electrocardiogram.
what is electrocardiogram?An electrocardiogram, often known as an ECG, is a test that aids in calculating and graphing the electrical activity of the heartbeat. Every time the heart beats, a wave or electrical impulse travels through the organ, causing the muscles to contract and the blood to be pumped from the heart's chambers.
The P wave, which is shown by the point on the graph, represents the depolarization of the atrial muscles, which leads to atrial contraction or atrial systole.
types of electrocardiogramHolter Monitor. A Holter Monitor is a portable EKG device.Cardiac Event Monitor. Like the Holter Monitor, the Cardiac Event Monitor is a portable EKG device.Stress Test.learn more on electrocardiogram
https://brainly.com/question/11431788
#SPJ1
Fill in the blank please
Answer: .
Explanation:
1: water
2: rivers and streams
3:lakes and ponds
4: marine
5:estuaries
Through what process do the green algae make their own food?
Producers
Consumers
Photosynthesis
Carbon Dioxide
Option 3 is Correct. The green algae produce their own food through the photosynthesis process. Algae are autotrophs, as are some bacteria and fungus, plants, and algae.
In the food chain, autotrophs are the producers since they synthesize their own nutrition and energy. Photosynthesis is the technique used by kelp and the majority of other autotrophs to produce energy. Because they make their own sustenance, plants called autotrophs.
They turn water, sunshine, and carbon dioxide into oxygen and simple sugars that the plant uses as fuel through the process of photosynthesis. In the process of photosynthesis, water and carbon dioxide are transformed into organic molecules by converting light energy to chemical energy. Nearly all algae engage in the process, which accounts for a large portion of the information on photosynthesis.
Learn more about Photosynthesis Visit: brainly.com/question/19160081
#SPJ4
Correct Question:
Through what process do the green algae make their own food?
1. Producers
2. Consumers
3. Photosynthesis
4. Carbon Dioxide
HELP PLEASEEE
According to the law of conservation of mass, the mass of the______ in a chemical reaction must equal the mass of the______..
Answer:
1st blqnk line: Reactants
2nd blank line: Product
Example: According to the law of conservation of mass, the mass of the Reactants in a chemical reaction must equal the mass of the Product.
the basis for movement of cilia and flagella is the interaction of the motor protein with the cytoskeletal elements called
The basis for the movement of cilia and flagella is the interaction of the motor protein "dynein" with the cytoskeletal elements called "microtubules."
Which protein is involved with the movement of cilia and flagella?
1. Cilia and flagella have a core structure known as the "axoneme."
2. The axoneme is composed of microtubules arranged in a "9+2" pattern: nine microtubule doublets surrounding a central pair of microtubules.
3. Dynein, the motor protein, is attached to the microtubules.
4. Dynein uses ATP (adenosine triphosphate) as an energy source to cause a sliding movement between adjacent microtubule doublets.
5. This sliding movement generates the bending and undulating motion of cilia and flagella, allowing them to propel cells through their environment. The interaction between dynein and microtubules enables the movement of cilia and flagella.
To know more about dynein, visit:
https://brainly.com/question/30881241
#SPJ11
Which three factors most directly affect surface currents in the oceans?
A.
surface winds, the Coriolis effect, and continental deflection
B.
upwelling, convection, and the sun's energy
C.
dissolved solids, dissolved gases, and the sun's energy
D.
deep currents, convection currents, and surface winds
Answer:
A.
surface winds, the Coriolis effect, and continental deflection
Why are zebra mussels able to spread so quickly in the United States?
a. They are weaker competitors than the local mussels.
b. They grow logistically.
C. They are more zebra mussels than there are resources.
d. There are no natural predators of the zebra mussel in the U.S.
Identify the steps of the lysogenict
Answer:
cycle:
1. Attachment: A bacteriophage attaches to the surface of a bacterial cell.
2. Entry: The viral DNA is injected into the bacterium and integrates into the host chromosome.
3. Prophage: The integrated viral DNA is known as a prophage and is replicated along with the bacterial chromosome.
4. Replication: The prophage replicates along with the bacterial DNA during cell division.
5. Induction: A trigger, such as stress or UV radiation, causes the prophage to leave the bacterial chromosome and enter the lytic cycle.
6. Lytic cycle: The viral DNA begins replicating and producing new phages, which lyse the host cell and release new viruses.
7. Release: The newly produced phages are released into the environment to find other bacterial cells to infect.
Note: The lysogenic cycle can sometimes be followed by the lytic cycle, in which the virus uses the host cell to produce new viruses, ultimately leading to lysis of the host cell.
How does the process of photosynthesis use ATP?
A.to capture light energy B.to absorb water C.to convert carbon dioxide and water into sugar D.to produce ADP from oxygen and light energy
Answer:
C.to convert carbon dioxide and water into sugar
Explanation:
Photosynthesis is the process whereby green plants make their own food using sunlight. The photosynthetic process occurs in two main stages viz: light-dependent and light-independent stage. In the light-dependent stage, light energy from the sun is captured and used to power the synthesis of ATP and NADPH, which is used in the next stage.
In the light-independent stage or Calvin cycle, ATP and NADPH are used to convert carbon dioxide (CO2) into sugar (glucose).
what would be the advantage of using a molecular model that shows the compounds involved during cellular respiration to compare the amounts of carbon released into the atmosphere?(1 point)
Molecular models assist us in seeing chemical compounds that we cannot see with our open eyes.
Molecular models are three-dimensional visual representations of molecules. Molecular models allow us to see exactly what a molecule looks like. We can have a better grasp of the various transitions in a molecule by using a molecular model.
The advantage of utilising a molecular model that depicts the components involved in cellular respiration to compare the quantity of carbon released into the atmosphere is that it provides a visual of the process that is not visible to the open eye.
It aids in understanding the foundations of physical and chemical interactions, which are difficult to compute using experimental approaches. It also aids in the development of new theories, models, procedures, and products.
For more information on molecular model kindl visit to
https://brainly.com/question/2518450
#SPJ4
Using a molecular model that shows the composites involved during cellular respiration to compare the quantum of carbon cycle released into the atmosphere allows a visual of the process that isn't visible to the mortal eye.
It helps understand the fundamentals of physical and chemical relations, which are delicate to calculate using experimental procedures. It also helps develop new propositions, models, processes, and products.
Since the carbon cycle is a global miracle, it can not be viewed at once. Using a model helps scientists and scholars understand how carbon moves through and impacts the terrain.
To learn more about the carbon cycle, visit here
https://brainly.com/question/1627609
#SPJ4
what is the important of honey?
Answer:
Rich in antioxidants
Explanation:
High quality honey — which is minimally processed, unheated, and fresh — contains many important bioactive plant compounds and antioxidants, such as flavonoids and phenolic acids. ... Antioxidants help neutralize reactive oxygen species (ROS) in your body, which can build up in cells and cause damage.
What percent of the chromosomes does the father contribute?
Answer:
50%
Explanation:
The mother contributes half (50%) while the father contributes the other half (50%).
Answer:
Fathers contribute 50% of chromosomes
Explanation:
Fathers contribute 23 chromosomes and humans have a total of 46 chromosomes so you just have to do some simple math: subtract 23 from 46
46-23=23
half of 46 is 23 so that would be 50%
Embryological development starts with gastrulation and then proceeds to
A. the zygote phase
C. neurulation
B. the blastula phase
D. blastulation
Which scientist was harshly criticized for his theories on "inheritance of acquired characteristics?"
- Jean Baptiste Lamarck
- Alfred Russel Wallace
- Georges Cuvier
- Charles Lyell
A litter of pigs is born. Three are female and 3 are male. What is the set of symbols correctly describes the sex of each piglet
The set of symbols which correctly describes the sex of each piglet is "F" for female and "M" for male.
A piglet is a young pig, typically less than 12 weeks old. They are also known as piglings or shoats. Piglets are known for their playful and curious nature and are often raised for meat production or as pets.
They are born in litters and can have a range of coat colors and patterns, depending on their breed. Piglets are dependent on their mother's milk for the first few weeks of life and then gradually transition to solid food.
One possible way to represent the sex of each piglet is to use the symbols "F" for female and "M" for male. With this notation, we can represent the sex of each piglet in the following set:
{M, M, M, F, F, F}
This set contains three "M" symbols for the male piglets and three "F" symbols for the female piglets, in the order of their birth.
To know more about piglet here
https://brainly.com/question/15091276
#SPJ4
3. Hydrogen peroxide is used as an antiseptic to kill bacteria in cuts and abrasions. Many of these are catalase positive, yet they are still killed by the actions of hydrogen peroxide. Why does this occur
Answer: Hydrogen peroxide is used as an antiseptic to kill bacteria in cuts and abrasions. Many of these bacteria are catalase positive,
Explanation: that’s it
Brackish water can be found in which of the following ecosystems?
a. coral reefs
b. mangrove swamps
c. polar regions
d. deep sea
Answer:
The answer would be B. Mangrove Swamps
Explanation:
Brackish water is when freshwater meets with sewer water or salty water.
Brackish water can be found in the mangrove swamps ecosystem.
They are marked by halophytic trees, shrubs and different flora thriving in saline to saline tidal waters.
What is the mangrove swamps ecosystem?
Mangrove forests, also named mangrove swamps, mangrove shrubs or trees, are formative wetlands that appear inshore intertidal zones. Mangrove forests grow mainly in equatorial and subtropical spaces because mangrove trees cannot resist freezing .
It is distinguished by such qualities as a damp climate, saline habitat, waterlogged soil or sludgy soil.
Thus, Brackish water can be found in the mangrove swamps ecosystem.
To learn more mangrove swamps ecosystem click here:
https://brainly.com/question/10268039
why do some tubes have no restriction enzymes
Some tubes may have no restriction enzymes because they are being used as a negative control.
Restriction enzymes are enzymes that recognize specific sequences of DNA and cleave them into smaller pieces. Restriction enzymes are important tools for molecular biology research, as they allow scientists to cut DNA into fragments that can then be studied or manipulated in various ways, such as cloning or sequencing.
In the laboratory, restriction enzymes are usually supplied as a solution in a tube or vial, along with other reagents that are required for the reaction.
Sometimes, however, a tube may contain no restriction enzymes at all. This may be because the tube is being used as a negative control. A negative control is a sample that is identical to the experimental sample in every way except that it is missing the one component being tested. In the case of restriction enzymes, a negative control would be a sample of DNA that is identical to the experimental sample but is not treated with any restriction enzymes.
By comparing the results of the experimental sample with those of the negative control, scientists can determine whether any changes they observe are due to the action of the restriction enzymes or are due to other factors.
Learn more about restriction enzymes:
https://brainly.com/question/15278286
#SPJ11
List 3 things you have learned from the state officer visit.
Well state officers teach you many skills, like self defense , firearms training, and first aid skills and knowledge hope i helped.
What is metopus, and what type of endosymbiont does it keep?
Answer:
Hey i think there is an error in ur question, u may recheck the so called word "metopus"
But here is the definition of Endosymbionts are organisms that form a symbiotic relationship with another cell or organism
during what part of interphase do non-replicating cells remain for their whole existence? explain
During the G0 phase of interphase, non-replicating cells remain for their whole existence. This phase is also known as the resting phase, where cells do not divide or undergo cell growth. During this phase, cells perform their routine metabolic functions.
What is interphase?
Interphase is a process that occurs before cell division. It is the stage where the cell prepares for mitosis, meiosis, or cytokinesis. During interphase, a cell undergoes a series of events that are essential for the proper replication and division of cells.
Stages of interphase:
The three main stages of interphase are:
G1 (Gap 1): In this stage, cells increase in size and undergo routine metabolic processes. It prepares for DNA replication.S (Synthesis): In this stage, DNA synthesis occurs, and cells replicate their chromosomes.G2 (Gap 2): During this stage, cells prepare for cell division, and cell organelles are duplicated. Cells undergo routine metabolic processes to support cell division.G0 (Gap 0): This phase is also known as the resting phase. Non-replicating cells remain in this stage for their whole existence. Cells in this phase do not divide, but they perform their routine metabolic functions. For example, nerve cells and muscle cells remain in this phase throughout their life.To know more about interphase, visit:
https://brainly.com/question/20223797
#SPJ11
Which statement best explains why herbivores are not considered parasites
Answer:
Hello There!!
Explanation:
The answer is=>Parasite means that the organism must live inside (intracellular) or on the outside body of the organism (extracellular). The herbivores do not live on the host (plants) for its survival. They just eat the plants and fruits for getting energy. Therefore, the herbivores cannot be called as parasite.
hope this helps,have a great day!!
~Pinky~
The amount of kinetic energy an object has depends on which feature of the object?
O its motion
O its position
its gravity
O its height
Answer:
A. Motion......
The amount of kinetic energy an object has depends on its motion.
WHAT IS KINETIC ENERGY?Kinetic energy is the energy of an object that is due to its motion.
The kinetic energy of an object is denoted by the following expression:
K.E = ½ × mass × velocity.Therefore, this shows that amount of kinetic energy an object has depends on the motion of the object.
Learn more about motion at: https://brainly.com/question/999862
Which of the following best describes the way plants with rhizomes can reproduce?
A. by both sexual and asexual reproduction
B. by sexual reproduction only
C. by sexual reproduction and grafting
D. by cloning only
Answer:
c
Explanation:
when you graft you are a usally combing two plants to make a differt species
how is the lunar-linked rhythm of fiddler crab courtship similar in mechanism and function to the seasonal timing of plant flowering?
The lunar-linked rhythm of fiddler crab courtship is similar to the seasonal timing of plant flowering in terms of mechanism and function.
The lunar-linked rhythm of fiddler crab courtship is similar in mechanism and function to the seasonal timing of plant flowering in the following ways:
Both are regulated by environmental cues, such as light and temperature.Both involve the synchronization of biological processes with external factors.Both help to increase the likelihood of successful reproduction.Therefore, the lunar-linked rhythm of fiddler crab courtship and the seasonal timing of plant flowering are examples of biological timing mechanisms that are influenced by environmental factors.
Learn more about biological timing mechanisms at https://brainly.com/question/8867958
#SPJ11
Which event MOST changes an ecosystem in a single day?
Answer:
Wildfire
Explanation:
explain why a fresh wound on the skin bleeds more on a hot day than a cold day
Answer: This is more of a guess based on what I already know about liquid in certain temperatures but I would say it would have to be related to the blood having a harder time congealing due to the molecules moving faster because of the temperature. You probably already know that atoms move faster in higher temperatures as opposed to cooler ones, therefore the process of congealment and essentially transitioning from liquid to solid would be easier/quicker in cooler temperatures where the atoms in and around the wound would be moving slower.
Explanation: