Answer:
The correct answer is option C.sending white blood cells to the site to try to repair the damaged
Explanation:
Atherosclerosis is a disease where plaque develops inside arteries. Arteries are vessels that convey oxygen-rich blood to your heart and different regions of your body. Plaque is comprised of fat, cholesterol, calcium, and different substances found in the blood. After some time, plaque solidifies and limits your supply routes.
The immune system responds to Atherosclerosis that causes damage to the arteries by sending white blood cells to the damaged site to fix the damage caused by the plaques and fat deposits that obstruct the blood supply.
The immune system responds to the damage to arteries because of atherosclerosis by C. sending white blood cells to the site to try repair the damage.
The immune system is the process that is important for resistance against diseases and fighting infection. It defends our body against invaders such as bacteria, viruses, etc.
It should be noted that the immune system responds to the damage to arteries because of atherosclerosis by sending white blood cells to the site so that the damage will be repaired.
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Ground squirrels are found in many areas of the United States. They live in underground burrows and are often attacked by birds of prey, coyotes, and bobcats. Which of the following is a limiting factor for a ground squirrel population? a population of tree squirrels a population of hawks genetic variability breeding season
Answer:
a population of hawks
Explanation:
hawks are predators and feed on small ground/tree animals, such as squirrels, rabbits. rats,
The number of ground squirrels may be constrained by the presence of predators including bobcats, coyotes, and birds of prey.
What will be the impact of predators in the population?These predators pressure may lead to fewer individuals in the population, which may alter the distribution of those individuals within the environment. Food and water availability are examples of resources that may be limited.
For instance, the number of ground squirrels will be constrained if it increases too much and there is not enough food to feed it. The number of ground squirrels may also be impacted by environmental factors such as temperature, precipitation, and habitat accessibility.
Limiting factors are those that prevent a population from expanding. Predators like birds of prey, coyotes, and bobcats are limiting variables in the case of ground squirrels since they can reduce the squirrel population. Competition for resources like food, water, and shelter may be another limiting issue.
Therefore, the number of ground squirrels may be constrained by the presence of predators.
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What can we say about
protons?
A. They are in the nucleus and never
leave.
B. They move around outside the nucleus.
C. They move in and out of the nucleus.
1 2.1.5 Quiz: Specialized Cells and Tissues
Question 5 of 5
2 Points
Which statement best explains how the needs of a unicellular organism are
met?
A. Only its specialized cells work together.
B. All of its cells must work together.
C. Most of its tissues work together.
D. Its cell parts must do everything.
SUBMIT
Answer:
B. All of its cells must work together
Its cell parts must do everything explains the needs of a unicellular organism are met. So, the correct option is D.
What are Unicellular Organisms?A unicellular organism is also called as a single-celled organism, which is defined as an organism with a single cell, in contrast to a multicellular organism, which consists of many cells. Organisms fall into two categories: prokaryotic organisms and eukaryotic organisms.
Amoeba and Paramecium both are protozoans which belongs to Kingdom Protists that are unicellular organisms. Unicellular organisms are organisms that have only one cell that performs all vital functions including metabolism, excretion, and reproduction. Its cell parts must do everything explains the needs of a unicellular organism are met
Therefore, the correct option is D.
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How is cellular respiration related to photosynthesis? Sugars produced in photosynthesis are digested in cellular respiration. Energy produced in photosynthesis is used to make proteins through cellular respiration. Sugars produced in photosynthesis are broken down into glucose through cellular respiration. Energy produced in photosynthesis is put into a usable form through cellular respiration.
Answer:
Energy produced in photosynthesis is put into a usable form through celllular respiration.
Explanation:
The energy produced during photosynthesis cannot be used by the cell and is not in a usable form. With the help of cellular respiration, the energy is converted to ATP to be used by the cell.
Researchers cross a corn plant that is pure-breeding for the dominant traits colored aleurone (C1), full kernel (Sh), and waxy endosperm (Wx) to a pure-breeding plant wiht the reccessive trains colorless aleurone (c1), shrunken kernal (sh), and starchy (wx). The resulting F1 plants were crossed to pure-breeding colorless, shrunken, starchy plants. Counting the kernals from about 30 eats of corn yields the following data:
Kernel Phenotype Number
Colored, shrunken, starchy 116
Colored, full, starchy 601
Colored, full, waxy 2538
Colored, shrunken, waxy 4
Colorless, shrunken, starchy 2708
Colorless, full, starchy 2
Colorless, full, waxy 113
Colorless, shrunken, waxy 626
6708
A) Why are these data consistent with genetic linkage among the three genes?
B) Perform a chi-square test to determine if these data show significant deviation from the expected phenotype distribution.
C) What is the order of these genes in corn?
D) calculate the recombination fraction between the gene pairs.
E) what is the interference value for this data set?
D) #recombinant=116+601+4+2+113+625=1462
#nonrecombinant=2538+2708=5246
RF=R/(N+R)=1462/6708=0.2
E) I=1-Q
I-interference
Q-coefficient of coincidence
Q=O2Xo/E2xo(2xo-double crossovers)
O2xo=6
P=(distance from C1 to Sh/100)*(distance from Sh to Wx/100)
=(3.38/100)*(18.28/100)=0.006
E2xo=0.006*6708=40.248
Q=6/40.248=0.15
I=1-0.15=0.85
The psychologist most closely associated with the school of functionalism is
Answer:
Explanation:
Edward B. Titchener. Functionalists, including psychologists William James and James Rowland Angell, and philosophers George H, they stressed the importance of empirical, rational thought over an experimental, trial-and-error philosophy.
hope it helps
Non-metals are used to make insulator-Why?
Answer:
non-metallic solids are said to be good insulators, having extremely high resistance to the flow of charge through them.Most atoms hold on to their electrons tightly and are insulators.Electricity can only be conducted by the motion of electrons or ions. Non-metals do not conduct electricity because unlike metals, they have no free electrons
Explanation:
i hope this will help you :)
Which statement summarizes a change that occurs during photosynthesis?
Answer:
It converts light energy to chemical energy.
Explanation:
Its absorbing sunlight and changing in to chemical energy for the plants nutrients.
During photosynthesis, light energy will be changed into chemical energy.
What is photosynthesis?Photosynthesis was a process used mostly by plants as well as other creatures to transform sunlight into chemical energy which, via cellular respiration, might subsequently be produced to fuel the organism's functions.
What is chemical energy?Chemical energy was the energy that would be generated while chemical substances engage in a chemical reaction but also change into some other substances.
Therefore, during photosynthesis, light energy will be changed into chemical energy.
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Adenosine Triphosphate is producer by which of the Organelles? A.Ribosomes B.Mitochondria C. lysosomes C. Gimmiesomes
Answer: mitochondria
Explanation:
Mitochondria is the power house of the cell which produces energy (Admeosine triphosphatealso called ATP) for the cell
Estimate how many arteries branch off the aorta given that arteries have a diameter of 0.4 cm and a flow speed of 45 cm/s.
Answer:
Approximately 25 arteries would branch off
Explanation:
Aorta has a diameter of 2 cm, so area is pi x 1^2 = 3.142
In case of the artery, pi x 0.2^2 = 0.126
So dividing total area of aorta by total area of one artery, we get 3.142/0.126 = 25.021
Hence, about 25 arteries will be needed to carry the amount of blood that flows in the aorta vessel.
state and explain five uses of insects
Answer:
They aerate the soil-
They pollinate blossoms
Some are are scavengers, and feed on dead animals and fallen trees, thereby recycling nutrients back into the soil.
They produce silk (worms)
they clean up waste
Convert 9.75 millimeters to centimeters. centimeters
Answer:
here,
10mm = 1cm
or, 1 mm=1/10 cm
or, 9.75mm=1/10×9.75cm
=0.975 ..........is the answer
hope it helps..
Answer:
.975
Explanation:
my brain:)
I am generally found both inside and outside of the nucleus in a eukaryotic cell! DNA RNA BOTH?
RNA is found outside of the nucleus wile DNA is found inside the nucleus.
Eukaryotic cells have a true nucleus, which means the cell's DNA is surrounded by a membrane. Both the inner and outer membranes of the nuclear envelope are phospholipid bilayers. The nuclear envelope is punctuated with pores that control the passage of ions, molecules, and RNA between the nucleoplasm and cytoplasm.In eukaryotes, however, the DNA takes the form of compact chromosomes separated from the rest of the cell by a nuclear membrane.In eukaryotes, the cell's genetic material, or DNA, is contained within an organelle called the nucleus, where it is organized in long molecules called chromosomes.Learn more:
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A biologist is studying how green sea turtles choose where to lay their eggs. She makes a hypothesis that because this species is related to other sea turtles through common ancestry, they probably all use the same process. This biologist formed her hypothesis using:________
a. A hunch
b. The unifying theory of evolution
c. Experimentation
d. The scientific method
e. Observations of green sea turtles' behavior
Answer:
Option b
Explanation:
Hypotheses are carried out as proposed explanation made on the basis of limited evidence which serves as a beginning point for further study.
The biologist in this case has a limited evidence with regards to this species which is just only about its ancestry, so her hypothesis was based on the unifying theory of evolution which is the framework within which biologists ask questions about the living world providing predictions with regards to directions about living things.
The correct answer, unequivocally, is (B).
- This is because she used her knowledge that, from an standpoint of evolution, these turtles were related to each other.
What is the defining characteristic of eusocial population a. If complex communication allows for the efficient transmission of information b. If the distance between social groups is greater than the mean subpopulation census c. if the effective population size is much less than the haploid deficiency value d. if there is complete division of roles within the society particularly with regards to reproduction
Answer:
d. if there is complete division of roles within the society particularly with regards to reproduction.
Explanation:
Eusocial insects are those insects that live in a colony with only some individuals capable of reproducing. usually there is division of labour with different individuals undertaking different roles such as defence or foraging. Examples of eusocial insects are bees, ants and wasps.
Hope it helps.
Statement that explains defining characteristic of eusocial population is D: if there is complete division of roles within the society particularly with regards to reproduction.
Eusocial population usually have extreme task specialization, and this usually help colonies to achieve gathering of resources.At times, due to constraints on independent breeding, they sometimes forgo reproduction.Therefore, option D is correct.
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Match each of the following terms associated with the control of heart rate and blood vessel diameter with its defining term (e.g., integrating center, receptors, and so on).a. Parasympathetic neurons b. Carotid and aortic baroreceptors c. SA node d. Veins e. Sympathetic neurons f. Arterioles g. Ventricles h. Change in blood pressure i. Medullary cardiovascular centers1. Integrating center 2. Efferent neurons 3. Receptors 4. Stimulus 5. Target
Answer:
a. Parasympathetic neurons. Efferent neurons
b. Carotid and aortic baroreceptors. Receptors
c. SA node. Target
d. Veins. Target
e. Sympathetic neurons. Efferent neurons
f. Arterioles. Target
g. Ventricles. Target
h. Change in blood pressure - Stimulus
i. Medullary cardiovascular centres. Integrating center
Explanation:
The efferent parasympathetic pathway is considered to be part of the autonomic nervous system. The efferent parasympathetic control is produced by nerve signals that are transported from the central nervous system to their corresponding targets.
Targets are those tissues where nerve impulses are directed. These targets include the vascular system (i.e., arterioles, ventricles, veins, etc).
Receptors are specialized cells capable of detecting a stimulus and promote a response (i.e., an electrical impulse).
The integrating center of the nervous system is represented by the central nervous system (CNS). The CNS is composed by the brain and the spinal cord, it senses the stimulus and produces the corresponding nerve impulse (i.e., response).
According to research, what role do genes play in determining whether someone will develop an anxiety disorder
Answer: Here are the options.
A. Unknown
B. No role.
C. Fully determines.
D. Can contribute but does not fully determine.
The correct option is D.
Can contribute but does not fully determine.
Explanation:
According to research, Genes can contribute to anxiety disorder but cannot fully determine because certain chromosomal or genes are linked to panic or anxiety disorder. Scientist discovered that RBFOX1 gene may make someone more likely to develop generalized anxiety disorder which shows that anxiety disorder are linked to genes. Anxiety disorder can be inherited and it is linked to specific genes.
Anxiety disorder is a feeling and not a mental illness. They symptoms of anxiety disorder are phobias, excessive worrying, memory problems, tensed muscles, irritability, struggle to sleep e.t.c. Some environmental factors also can contributed to anxiety disorder.
A science student makes the following statement: I think that plants grow faster in acidic soil than they do in normal soil. Which of these is the student doing?
The given question is incomplete. The complete question is as follows:
A science student makes the following statement:
I think plants grow faster in acidic soil than they do in normal soil.
Which part of the scientific process is this?
A. Analyzing data
B. Testing a hypothesis
C. Forming a hypothesis
D. Stating a theory
Answer:
C. Forming a hypothesis
Explanation:
The given statement is a "hypothesis" formed by a science student.
A hypothesis form a relationship between independent variable and dependent variable. Independent variable is the variable that a researcher or scientist controls while dependent variable is the variable that a scientist observes and measures.
So, in the given statement, independent variable is the concentration of acidic and normal soil and dependent variable is the growth of the plant, that the student will observe.
Hence, Student is making a hypothesis and the correct option is "C".
Which cell lacks a nucleus?
Muscle cell
Euglena
Fungal cell
Bacterial cell
Answer:
Bacterial Cell
Explanation:
Prokaryotic organisms such as bacteria lack a well-defined nucleus as present in normal eukaryotic organism. Rest of the options do have nucleus.
The NADH and FADH2 molecules that are used during the reactions of the electron transport chain are derived from glycolysis, the preparatory reactions, and the citric acid cycle.
a) true
b) false
Answer:
The correct answer is option a) "true".
Explanation:
The electron transport chain that takes place in mitochondria during cellular respiration is interconnected with several other biological pathways in the cell. These pathways include glycolysis, the preparatory reactions, and the citric acid cycle, where NADH and FADH2 molecules are synthesized. In glycolysis and citric acid cycle, 2 NADH and 3 NADH molecules are synthesized, respectively. Regarding FADH2, one molecule of this compound is synthesized per each cycle of the citric acid cycle.
Which statement best describes monsoons?
They force cool, moist air from oceans to rise.
They are winds that blow in the opposite direction of a normal wind.
They bring heavy rain in the winter and in the summer.
They influence precipitation as wind moves near a mountain.
Answer:
The correct answer to the following question will be Option B and C.
Explanation:
Monsoon seems to be a change throughout the course including its predominant hot air flowing from either the south-western oceans of India towards India.The summer monsoon gives a luxurious atmosphere as well as heavy rains to something like the coastline of Asia (south-east), where many monsoon showers of rain undergo their rainy season throughout the winter.The other choices are not related to the given circumstances. So that Option B & C would be the appropriate choice.
Answer:
Pretty sure its B not sure tho. If its correct, mark as brainliest
Explanation:
Rabies vaccines in dogs: a. Are always given yearly b. Can treat the disease c. Are legally required in the United States d. Are voluntary in all states
Answer:
The core vaccines include the DHLPP (distemper, hepatitis, leptospirosis, parvo, and parainfluenza).
Explanation:
Your pup will also need a rabies vaccination, which is usually around $15—20. (Some clinics include the cost of the rabies vaccination.) hope this helps you :)
Answer:
Are given yearly.
Explanation:
Looked it up :)
Mendel first crossed true-breeding plants to produce a second generation, which were then allowed to self-pollinate to generate the offspring. How do we name these three generations?
Answer:
P, F1 and F2
Explanation:
The first generation crossed which included the true breeding parents are the P generation plant. This produces the two subsequent generations which are the first filial generation (F1) and the second filial generation (F2).
Chlorine is
used as
medicine why
Answer:
Chlorine is used as a disinfectant in water treatment plants all over the world primarily because of its low cost and effectiveness. Basically, it gets rid of pathogens in the water and helps keep waterborne disease outbreaks at bay.
where near your home do you think the highest level of photosynthesis is happening?
Answer:
In the garden.
Explanation:
Because the garden contains photosynthetic plants.
Hope it helps.
Which type of stress causes rocks to fold?
compression
shearing
strike-slip
tension
Answer:
A Compression
Explanation:
Since the rock cannot move, it cannot deform. This is called confining stress. Compression squeezes rocks together, causing rocks to fold or fracture (break) (figure 1). Compression is the most common stress at convergent plate boundaries.
In the case of two EPSPs occurring at a single synapse, which of the following will produce a subthreshold effect and not generate an action potential on the postsynaptic neuron’s axon hillock?
a. Both EPSPs occurring in rapid succession
b. The summed EPSPs depolarizing the axon hillock membrane to —70 mV
c. Both EPSPs occurring before the postsynaptic membrane potential returns to —55 mV
d. Both potentials occurring after the postsynaptic membrane potential returns to its resting value
Answer:
Both potentials occurring after the postsynaptic membrane potential returns to its resting value
Explanation:
This is simply because, a neuron returning to its resting state,will have the ligand gated Na+ channels closed.Therefore depolarization can not occur.More K+ gated channels will open, and more K+ leaks out of the axoplasm,returning the neuron to the resting state.
Hence if the summation of the two EPSP returns to the resting level after crossing the synapse, they can not propagate,and generate action potential, because they will produce a sub threshold effects,which will not generate action potential.
All the animals trees and plants are made up of cells that share many similar nucleus
Answer:
True.
Explanation:
Animal cells and plant cells are similar, though plant cells have chloroplasts and cell walls while animal cells don't. However, both have mitochondria, a nucleus, Golgi Apparatus, etc.
Which statement summarizes the main purpose of photosynthesis?
OOO
It converts gases to solids in the form of sugar.
It converts carbon to oxygen.
It converts light energy to chemical energy.
It converts energy to mass.
Explanation:
it converts light enegry to chemical enegry. as it converts sun light enegry into food substances.
Electrons spin in shells around the nucleus. The closest shell (n = 1) can contain a maximum of____
electrons?
4
2
8
6
Answer: 2 electrons
Explanation:
The inner shell (1st shell) can hold 2 electrons, the next shell can hold 8 electrons and the third shell can hold 18 electrons.
Answer:
2 electrons
Explanation:
Electrons have various shells. The first one is called the K shell and it holds a maximum of two electrons.The next is the L shell (8 electrons), then the M shell and so on.