Answer: The fundamental functional unit of muscle is called a sarcomere. One muscle may contain as many as 100,000 of the repeating sarcomere units. In the sarcomere, the myofilaments (thick filaments and thin filaments) are organized into parallel units.
HOPE THIS HELPS
The core of a virus may contain either DNA or RNA. To identify which nucleic acid is present, a biochemist
could chemically analyze the virus for the presence of
Answer:
Ribose
Explanation:
Hope this helps, have a nice day :)
Select the correct answer.
Which of these is an example of structural protein in plants?
A. Chitin
B. Lignin
C. Keratin
Answers :
I believe the ans is (B) lignin.
What is the bottom layer in the soil?
topsoil
parent rock
humus
subsoil
Answer:
my answer is: subsoil
Explanation:
Answer:
Parent rock, also now as bedrock
Explanation:
Answer the following using directional terms specific to the dentition. a Your canine is _______________________________________ relative to your first molar. b Your third molar is __________________________________ relative to your second molar. c The cheek side of the tooth row is the ______________________________ side. d Your lateral incisors are _________________ relative to your central incisors. e The tongue side of the tooth row is the ____________________________________ side. f Where your opposite tooth rows meet (to chew) is the _______________________________ surface.
Answer:
The correct answer is - a. mesial, b. distal c. buccal d. distal e. lingual f. occlusal.
Explanation:
Mesial is the surface near the midline of the face, In dentistry, the canine is mesial to the first molar which means it is the middle of the face. The third molar is distal to the second molar.
Distal is the backside of a particular tooth in dentistry. The cheek side of the tooth known as the facial surface for the front teeth in dentistry. Lateral incisors are distal to the central incisors. Lingual is the part of the tooth near the tongue. The chewing surface of posterior teeth is also known as the occlusal.
In regards to the question proposed to our class (included above) during our genetics unit on whether
children of married identical twins will end up being identical twins themselves, my claim is:
Answer:
will this work or help?
Explanation:
Multiple births can include fraternal or identical multiples ... This can happen if your body releases multiple eggs and ... Are a twin yourself or have twins in your family.
What does an H-R diagram relate a star's temperature to? a. the amount of heat created by the star c. the type of star b. the elements the star contains d. the star's absolute magnitude Please select the best answer from the choices provided A B C D
Answer: A. The amount of heat created by the star.
Explanation: The Hertzsprung–Russell diagram, abbreviated as H–R diagram, HR diagram or HRD, is a scatter plot of stars showing the relationship between the stars' absolute magnitudes or luminosities versus their stellar classifications or effective temperatures. Your Welcome
Eukaryotes evolved after prokaryotes and eukaryotes have a nucleus
that surrounds the DNA.
O True
O False
Answer:
True
Explanation:
Which statements describe steps in photosynthesis? Select 3
AGlucose is broken down into carbon dioxide and water.
B
Energy is stored in the bonds of ATP.
C
Light energy is absorbed by chlorophyll.
D
Organic matter and oxygen combine to break molecules into smaller parts.
E
Energy is used to convert carbon dioxide and water into sugar.
F
Energy in the form of heat is used to absorb carbon dioxide.
G
Water is broken apart to produce oxygen.
Answer:
Light energy is absorbed by chlorophyll. C
Explanation:
Answer:
Light energy is absorbed by photosynthesis
Explanation:
Photosynthesis takes place in two stages: the light-dependent reactions and the Calvin cycle. In the light-dependent reactions, which take place at the thylakoid membrane, chlorophyll absorbs energy from sunlight and then converts it into chemical energy with the use of water.
Which situations would be most likely to engage the anterior cingulate cortex?
Answer:
Which of the following situations would be most likely to engage the anterior cingulate cortex?
A waiter walks over to your table at a restaurant and holds an open menu in front of you.
You walk into the elevator of your apartment building and press the button for your floor.
You enter your classroom and find someone sitting in your usual seat.
A good friend asks you to remind him of your telephone number.
Explanation:
In order to meet the demand of the surrounding environment by adjusting the motor outputs from the brain to the environments ,a part of the emotion control part of the brain( limbic system) called the anterior cingulate cortex is responsible for this.
Anatomically, the limbic system is made up of the primarily the amygdala, hippocampus, thalamus, hypothalamus, basal ganglia and cingulate gyrus.
Based on the this its(anterior cingulate cortex) functions are formation of emotion in the limbic system, and possessing of memory and learning.
it is also a major parts of of pain networks for pain modulation and perception.
Therefore whenever there is change in the environment from the prestored condition in the brain,(e.g the usual seat in the class room occupied above) the anterior cingulate cortex adjust the motor input from the brain to adapt to the new environment to take an action,whih in this case leads to the reclaiming of the seat or any other necessary proactive action.
What are the similarities and differences between predation and parasitism
plz answer
Answer: Predation Parasitism
Larger and stronger than the prey. Smaller than the host organism.
Metabolic Dependency
There is no such metabolic dependency between the predator and a prey. There is an intimate association involving metabolic dependency on the host.
Progression
Explanation:
A parasite obtains food and shelter from the host whereas a Predator will catch and kill its prey.
Scientists estimate the Earth has over 8 million different species of organisms classified over all of the kingdoms. Which of the following classification levels make up an organism's scientific name?
A.kingdom and phylum
B.genus and species
C.family and genus
D.class and order
HELP please
Youngest to oldest
Answer: The youngest would start from the bottom the oldest would be the very top
Explanation: so let me show you why. at the mid-atlantic ridge there is more and more crust being made in the midle. As it grows the old crust that got push up gets pushed up wards. and is stacked with the rest of the other crust. the image i put with this should help, a little bit more. I this helps.
PLEASE HELPP
A body is found lying on the ground, but lividity is present only in
the feet. It is deep purple in color. Investigators believe that the
victim was moved after death. Assuming environmental
conditions are average, which other conclusion might be drawn
from investigators working the scene?
M. The person has been dead less than 2 hours
N. The person has been dead at least 8 hours
0. The person has been dead less than 30 minutes
P. There is not enough information to determine
possible TOD
Answer:
I think the answer is that the person is dead less than two hours ago.
What kind of information do ice cores contain?A.Evidence of volcanic eruptions.
B. All answers.
C. Concentration of CO2.
D.Concentration of methane.
HELP ASAP PLEASE
Indoor air pollutants can be dangerous because the air pollutants stay in small space rather than circulating throughout the atmosphere. Which of these choices is an example of an indoor air pollutant?
A. Methane gas
B. Vehicle exhaust
C. Building materials
D. Industrial emissions
Indoor air pollutants can be dangerous because the air pollutants stay in small space rather than circulating throughout the atmosphere. Option C is the correct answer.
What is the methane gas ?It is the gas that is produced by the cow dung and the gas is produced by the various chemical reactions in it.
Building materials pollution can be reduced out by many ways. Here are a few examples:
Low-VOC Paints: Volatile Organic Compounds (VOCs) are chemicals found in many paints, which can emit harmful fumes into the air for years after the paint has dried. Low-VOC paints contain fewer or no harmful chemicals, reducing indoor air pollution and improving air quality.
Air-Purifying Plants: Certain indoor plants, such as peace lilies, spider plants, and Boston ferns, can help remove harmful pollutants from the air. These plants absorb pollutants such as formaldehyde, benzene, and xylene, improving indoor air quality.
Green Roofs: Green roofs are roofs covered in vegetation that can help absorb pollutants from the air, reducing air pollution in urban areas. Green roofs also provide insulation, reducing energy costs, and can help mitigate the urban heat island effect.
Therefore ways like these should be adopted.
Learn more about air pollution at :
https://brainly.com/question/30489829
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How does genotypic variation occur?
Answer:
Genotypic variation occurs when alleles are randomly sorted during sexual reproduction. ... Some types of organisms can increase genetic variation through reproduction. They are able to combine the genetic material of two parents, rather than copying the genetic material of a single parent.
Brainliest would be great!
What is the importance of negative chemotaxis
Answer:
Chemotaxis is the directed migration of cells in response to concentration gradients of extracellular signals. ... In multicellular organisms, it ensures that the right cells get to the right place at the right time during development, and plays an essential role in processes such as wound healing and inflammation [2, 3].
An ecosystem has been interrupted by an invasive species. A new grass eating lizard lives in the same ecosystem as a grass eating rabbit. Hawks eat both lizards and rabbits. What would happen to the grass and hawk populations immediately? Why?
There would be more hawks appearing because there is more food (both lizards and rabbits) and grass would lessen because there is another source feeding off of it.
I hope this helped ^^
Answer:
the grass population would decrease and hawk population would increase
Explanation:
How is the position of each of the following parts of a plant related to its function?
A.Stigma
B. Petal
C. anther
The epicenter of an earthquake is located 6,500 kilometers away from a seismic station. If the
first S-wave arrived at this seismic station at 1:30 p.m., at what time did the first P-wave arrive?
A)1:20 p.m.
B)1:22 p.m.
C)1:38 p.m.
D)1:40 p.m.
Explanation:
the epicenter of an earthquake is located 6500 kilometers aways from a seismic station .
Which of the following is a accurate depiction of primary ecological succession?
Answer:
This question lacks options, however, primary succession will be explained for detailed comprehension.
Explanation:
Ecological succession is the gradual series of changes that occurs in an ecosystem, charging it's structure and composition over time. It is of two types namely; primary and secondary successions.
Primary succession is characterized by the "LACK OF NO SOIL". It begins on a barren piece of land e.g rocks, with no form of life previously known to colonize the area. In primary succession, the barren land is first colonized by organisms such as lichens etc., which are collectively regarded to as PIONEER SPECIES.
Describe oligospermia
Explanation:
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Which of the following are considered gases?
Check all that apply.
A. Helium
B. Air
C. Wood
D. Oxygen
E. Gravity
Answer:
Oxygen, Air And Helium.
Which of the following materials is a good choice for a greenhouse framework?
wood
steel
stone
aluminum
Answer:
aluminum
Explanation:
what muscle moves the first toe
Answer:
Abductor hallucis
Explanation:
Abductor hallucis: A muscle on the inner side of the foot that runs from the big toe to the heel, it pulls the big toe, or hallux, away from the body. Tibialis anterior: This muscle runs from the tibia to the first toe, and helps make walking possible by flexing the foot upward and turning it inward.
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1. List the levels of biological organization in order.
2. Name and recognize the general characteristics of the 6 Kingdoms discussed in class.
3. List and define the shared characteristics of life
Answer:tissue
Explanation:
Tissues are groups of cells that have a similar structure and act together to perform a specific functio”. ... Groups of tissues make up organs in the body such as the brain and heart.
Researchers think the cheetah population in Africa experienced extremely low numbers around 10,000 years ago, and then also again around 100 years ago. During both times, the low numbers rebounded back. Predict the consequence of this on the cheetahs of today.
a. Cheetahs are a very resilient population and unlikely to become extinct.
b. Cheetahs today are the strongest and fastest cheetahs ever.
c. Cheetahs today have very little genetic variation.
d. Cheetahs today are slower than those before the population fell.
Answer:
Cheetahs are a very resilient population and unlikely to become extinct.
Explanation:
LH Gunderson (2000) Defined ecological resilience as "the amount of disturbance that an ecosystem could withstand without changing self-organized processes and structures."
When a population is resilient, it tends to bounce back after major perturbations.
For instance, the Cheetah population was at the brink of extinction around 10,000 years ago, and then also again around 100 years ago yet the population was able to recover at both periods and never went extinct.
This implies that Cheetahs are a very resilient population and unlikely to become extinct.
Answer:
c. Cheetahs today have very little genetic variation
Explanation:
Genetic drift is an evolutive force. It is the random change that occurs in the allelic frequency of a population through generations. Its effects are harder in a small-sized population, meaning that the magnitude of this change is inversely related to the size of the original population.
Genetic drift results in some alleles loss -including the beneficial ones-, while some other alleles get fixated. Low-frequency alleles are the most likely to be lost. The changes produced by genetic drift accumulate in time and results in a loss of genetic variability within a population.
Genetic drift affects a population and reduces its size dramatically due to a disaster or pressure -bottleneck effect- or because of a population split -founder effect-. The bottleneck effect most likely affects smaller populations.
In the exposed example, the low numbers of cheetah around 10,000 years ago, and then also again around 100 years ago, might have been due to some natural disaster or extensive hunting that acted as a pressure that significantly reduced the number of animals. Probably, the population experienced one or many small-sized generations. Even though the low numbers rebounded back, the survivors did not have the whole genetic pool of the original population, meaning the genetic diversity might not have recovered. When the small groups increased in size, they had a genetically different composition from the original one. There is a reduced genetic variability, with a possibility of developing a peculiar allelic component. If the survivors in the population carried or developed a mutation, probably this mutation passed from generation to generation. It might involve even more individuals each time and increase the probability of developing a genetic disease.
Part of ecosystem
Contains energy storage molecules?
(yes or no)
Energy storage molecules flowing in?
(yes or no)
Energy storage molecules flowing out?
(yes or no)
Producers
Consumers
Decomposers
Dead Matter
Abiotic Matter
(Answer the three questions for each of the topics)
Answer:
YES NO
Explanation:
Que cosas podemos hacer con el oro
When it was time to go outdoors, 3-year-old Casandra said she didn’t want to play and headed for her locker. At the teacher’s gentle insistence, Casandra reluctantly joined the other children on the playground. Tears rolled down her cheeks when the teacher boosted Casandra onto a swing seat and began to push her. The teacher stopped the swing and helped Casandra off. She held her closely for a few minutes and then asked why she was crying. Casandra initially denied that anything was wrong. However, when the teacher persisted, said she "had fallen the night before and hurt her bottom."
The teacher took Casandra inside and asked to see where she had been hurt. When Casandra pulled down her shorts, the teacher noted what appeared to be a large burn with blisters approximately 2 inches in length by 1 inch in width on her left buttock. Several small bruises were also evident along one side of the burn. Again, the teacher quietly asked Casandra how she had been hurt, and once again she replied that she "had fallen."
What actions should Casandra’s teacher take?
Answer:
casandra was scared around others
Explanation:
in the passage i notesed that she went to her locker and started crying
Answer: 1. Casandra's teacher should take her to the nurse and just tell the nurse that she got hurt in the playground 2. The teacher should gather more evidence until she knows that something is going on because she can't prove that something is really happening 3. She shouldn't tell the parent yet because they would probably accuse the teacher of doing it 4. If it was the first time , I would feel bad for the girl and just tell her to be careful but if it kept happening, I would tell the principal and her parents and I would feel angry