As we know there are B cells and T cells are part of the immune system, B cells elaborate antibodies meanwhile T cells destroy infected cells: Therefore we can say that the correct answer is a.
Available energy ___________ as it is transferred from one organism to another in a food chain.
Answer:Key Points. Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level.
Explanation:
What factors can cause an enzyme to become denatured?A. lonization and pHB. Temperature and HumidityC. Humidity and lonizationD. pH and Temperature
The correct option is D. pH and temperature
Enzymes can be denatured in different ways:
-decreases in pH
- increase beyond the optimal temperature
A denatured enzyme refers to an enzyme that has lost its normal three-dimensional, or tertiary, structure that means it is no longer able to function.
Why is it important to eliminate air bubbles from the slide?
Answer:
Air bubbles will create distortion in the slides causing them to give misleading information. It can also cause the organisms to move around when they shouldn't.
Need help with this question will global warming have catastrophic effects?
Global warming is predicted to produce an increase in extreme temperatures and it is caused mainly by an increase in CO2 levels. The increasing temperatures are likely to cause a modification in air circulation patterns and increase evaporation, among others. These have consequences over climate and produce an increment over frequency and magnitude of extreme climatological events (like hurricanes). Also, global warming leaves no place for adaptation (as it is fast compared to biological adaptation), so many species are likely to go extinct, with important ecological effects. I consider these to be catastrophic effects.
What’s the correct answer answer asap for brainlist
Answer: B
Explanation:
Why are the studio habits of mind important
Answer:
because it helps guide and if inform choices
Explanation:
The F1 offspring of a cross has been provided for you. It is your job to work backwards in order to determine the genotypes, the genetic makeup, of BOTH parents that produced each cross. More specifically, what parental genotypes would give you these possible genotype combination?
To fill the Punnett Square we must place the alleles from one of the parents horizontally oriented on the top of a 3x3 diagram, and the alleles from the other parent vertically oriented on the left border of the diagram. After that, we must cross each one of the alleles from one parent with the alleles of the other, positioning the result of those crossings (Ee) in the blank space where those alleles meet. Therefore, we must look at the combinations and extract the allele that appears in the same line or in the same column, as follows:
Therefore, the parental genotypes are: EE x ee.
Which of the following areas of study would be in the branch of earth science
• habitats or behaviors
• rocks or minerals
• heat or motion
• bacteria or cells
Answer: rocks or minerals
Rock or minerals are in the branch of earth science. It deals with natural chemicals and materials on the earth, and rocks and minerals fit into the category as geology is one of the main areas of earth science.
hope it helps, mark as brainliest.
What is equilibrium?A. a state where things aren't changingB. a state where species are constantly movinghabitatsC. a state where a population is evolving
The correct answer is C. a state where a population is evolving. Evolution is happening right now in all populations, but it is very slow in macroorganisms (animals and plants that we can ses). So, a popul
the place where a river begins is called?
The place where a river begins is called source or headwaters, being the rivers the construction from water that comes of smaller streams that join together forming tributaries.
An ecosystem consists of all the interacting species and the abiotic environment in a given geographic area.Group of answer choicesTrueFalse
The ecosystem comprises of different biotic and abiotic factors. Biotic factors are all the living things in the ecosystem. Abiotic factors are the non-living parts. These factors interact with each other in order to maintain balance in a certain environment.
Answer - True
Some adult chordates do not exhibit the characteristic features of the phylum Chordata. What is the likely reason?
A likely reason why some adult chordates do not exhibit all the characteristic features of the phylum Chordata, is that some features are present during development but are subsequently lost or become another structure. (option 2)
HELP!!!!
Which conditions are necessary for snow to form?
a) The temperature of the air in the cloud is above freezing.
b) The temperature of the air below the cloud is above freezing.
c) The temperatures of the cloud and the air below the cloud are at or below freezing.
d) The temperature of the cloud is below freezing, while the air below the cloud is above freezing.
Answer:
im pretty sure its c but this is what i found on the web: the atmospheric temperature is at or below freezing (0°C or 32°F).
Explanation:
Answer:
im pretty sure its c but this is what i found on the web: the atmospheric temperature is at or below freezing (0°C or 32°F).
Explanation:
Help asap…
1. Which lobe of the brain is primarily responsible for integrating visual input (sight) and touch input from the skin?
A.frontal
B.occipital
C.temporal
D.parietal
Answer: D) the parietal lobe
Explanation:
- the parietal lobe is responsible for sensory perception and integration, including the management of taste, hearing, sight, touch, and smell. It also includes the brain's primary sensory area where the brain interprets input from other areas of the body
hope this helps :)
Answer:
I hope this helps.
Explanation:
What iS one condition that must be met for a population to be in genetic equilibrium?
A.
There iS a large amount of gene flow.
B.
There is a high mutation rate.
C.
There IS no genetic drift.
D.
There iS nonrandom mating.
Answer: The answer i think is right is c but i am not sure i am right:)!
Explanation:
why is it important to calculate the diameter of the field when first using the microscope? bboldiitalicsuunderlinebulleted listnumbered listsuperscriptsubscript
You can calculate the real size of small objects with the microscope, so in a field, it is important to calculate the diameter.
What is a microscope?You may determine the actual size of things that are too tiny to be seen with the eye by measuring the microscope's field of view.
The largest useable field diameter in early microscope objectives typically ranged from 18 millimeters or less, but with a contemporary plan, it can occasionally approach 26 millimeters.
A microscope measurement can be used to classify an object into a certain size group or to determine whether the produced form of a specific feature is within dimensional.
Therefore to find the size of the smallest object in the microscope calculates the diameter of the field.
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Please help with Biology question
Answer:
from the pelvis or to more distant parts of the abdomen.
Explanation:
Which is NOT a phraseused by Darwin to describeevolution?A. "natural selection"B. "survival of the fittest"C. "struggling for existence"D. "evolution is artificial"
Let's recall what Charles Darwin found:
He stated that natural selection plays a huge role in evolution. He claimed that organisms that had the best traits well-adapted for their specific ecosystem would be able to survive the longest (the most fitness and also known as "survival of the fittest").
Also recall what happens in an ecosystem and food webs as well as the logistical growth equation:
[tex]\frac{dN}{dt}=r_{max}N\bigg(\frac{K-N}{K}\bigg)[/tex]Ecosystems have only so many amounts of resources, or limited resources. Therefore, organisms within the same ecosystem will compete for these resources. These organisms will struggle and fight to survive. They either adapt or they get killed off.
Therefore, the best answer choice that doesn't describe Darwin's statements about evolution is answer choice D.
How many atoms total are found in 4C2H6
Answer: Molecular Weight of 4C2H6
120.2762 g/mol
The molar mass and molecular weight of 4C2H6 is 120.276.
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Studying the devastating effects of a tsunami can be included in which type of
science?
Answer:
earth science
Explanation:
earth science is the study of earth, the atmosphere, and the outer space
Smooth muscles are described as…a) Voluntaryb) Involuntaryc) Striatedd) Cardiac
Smooth muscles
This type of muscle comprises smooth muscle fibers that correspond to uninucleate cells, thin and pointed at the ends. This muscle forms the contractile portion of the walls of various organs such as the digestive tube and blood vessels, which is why it is characterized by involuntary contraction (option b).
During which of thefollowing time periods didmost plant and animal phylaAppear?
The Cambrian period. Cambrian explosion, the unparalleled emergence of organisms between 541 million and approximately 530 million years ago at the beginning of the Cambrian Period. The event was characterized by the appearance of many of the major phyla (between 20 and 35) that make up modern animal life.
*Explain thoroughly how deforestation affects the fertility of the impacted land?*
Deforestation can have destructive effects on soils. Trees and shrubs shield the ground from the force of raindrops and provide shade that reduces surface soil temperature, which in turn reduces evaporation. Logging and small-scale removal of trees exposes soil to rain splash which loosens and dislodges soil particles, eroding soil and creating a more impermeable bare surface, which increases runoff.
It was found that the majority of soil fertility indices were affected negatively by deforestation and more than half of the organic matter was lost to deforestation, which, in turn, could lead to deterioration in soil quality or land productivity capacity.
What terms refers to the change in the characteristics of living organisms over time ?
Evolution consists of changes in the heritable traits of a population of organisms as successive generations replace one another.
Answer: Evolution
True or False: Blood sugar would be lower than normal if liver cells did not have receptors for glucagon.
The answer to the statement " Blood sugar would be lower than normal if liver cells did not have receptors for glucagon " is true.
Why the blood sugar level decreases when liver cells lack receptors for glucagon?It happens that when the liver cells within our body system is short of it deficient of the
glucagon receptor, it usually, frequently and most of the time results in the decreament of the sugar in the blood volume.
However, the hormone known as the glucagon which is manufactured in the pancreas which is designed to stimulate our liver to release the glucose that is previously stored in the body system to the blood stream. Our body system, when it falls on under secretion or over secretion of certain hormones or other substances, it shift the normal body functioning negatively.
So therefore, the absence of glucagon receptor would lowers the blood glucose levels in the blood stream.
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why is butter white not other colors?
Butter is a dairy product and is elaborated from milk's fat, if we look at the commercial butter we can see is not pure white but a light yellow, which is the color of animal fat.
Which of the following statements correctly describes cis-trans isomers?
A) They have variations in arrangement around a double bond.
B) They have an asymmetric carbon that makes them mirror images.
C) They have the same chemical properties.
D) They have different molecular formulas.
E) Their atoms and bonds are arranged in different sequences.
Answer: D
Explanation:
When both double-bond carbons are directly connected to a carbon and a hydrogen, cis-trans can happen. In this instance, a new isomer is produced by switching the substituent on one of the double-bond carbons. Thus, option D is correct.
What are the factor that affect cis-trans isomers?The molecule must restrict rotation. Each doubly bound carbon atom must have two nonidentical groups.
Molecules with the same atomic connectivity are what the cis isomers are known as. On the same side of the double bond, they stand in for comparable page groups.
Cis-trans isomers display a form of stereo isomerism, in which the atoms are arranged differently in three dimensions.
Therefore, On the other hand, trans isomers are made up of molecules with comparable side groups that are situated on the other side of the double bond.
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This passage describes the flower position trait in pea plants:Flowers can grow in different positions on a pea plant's stem. Axial flowers arein the middle of the plant's stem. Terminal flowers are at the tip of the stem.In a group of pea plants, some individuals have axial flowers and others have terminalflowers. In this group, the gene for the flower position trait has two alleles. The allele F is foraxial flowers, and the allele f is for terminal flowers.A certain pea plant from this group has axial flowers. This plant has one allele for axialflowers and one allele for terminal flowers.Based on this information, what is this pea plant's genotype for the flower position gene?axial flowersFfffterminal flowers
Axial flowers are in the middle of the plant's stem.
Terminal flowers are at the tip of the plant's stem.
The alleles that code for the trait "position of the flower" are F: axial flowers, and, f: terminal flowers.
A pea plant has axial flowers (Phenotype of the plant)
You know that it has one allele for axial flowers, F, and one allele for terminal flowers, f.
→ The genotype of the plant is then Ff (heterozygous)
Answer:
Yes
Explanation:
Which type of energy travels from the Sun to the earth and makes the sky appear bright during the day?. A. Sound energy
B. Mechanical energy
C. Electrical energy
D. Light energy
right answer - D. Light energy
Sickled red blood cell normal red blood cellSickled red blood cells carry less oxygen than normal red blood cells. What does this demonstrate about mutations in the DNA thatcodes for hemoglobin?OA. These mutations can change the structure and function of hemoglobin.OB. These mutations decrease the amount of oxygen available to bind with hemoglobin.OC. These mutations are unable to affect the structure and function of hemoglobin.OD. These mutations can change the structure of oxygen so that it does not bind to hemoglobin.
The answer is the letter A. These mutations can change the structure and function of hemoglobin.
The effect of the mutation in the hemoglobin is it altered its structure that makes