Answers
Answer:
mutualism
hope it's right :)
Related Questions
Q4: Describe how crossing over can lead to new variations in genes.
Answers
Answer:
Crossing-over is the exchange of genetic material between homologous chromosomes. It results in new combinations of genes on each chromosome. When cells divide during meiosis, homologous chromosomes are randomly distributed to daughter cells, and different chromosomes segregate independently of each other.
Explanation:
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Qué hace que los alimentos presenten zonas oscuras una vez que están cortados o pelados?
Answers
Pls help I’ve been looking for hours
Answers
Answer:
Explanation:
The shape of the protein is really important for the function. Disulfide bonds also called disulfide bridges are important for stabilizing the protein. If the structure of the protein is damaged (by heat or other factors), then the protein will not be able to perform its function.
The digestive system converts proteins into smaller molecules called .
A. Amino acids
B. Vitamins
C.Fatty acids
Answers
Answer: A: Amino acids
Explanation: I took advanced biology 1, 2, and 3
What is the genotype of Squidward's son?
Answers
This is the anwser to your question have a nice day!
Question 1 Which statement is true about fossils? O A fossil is any trace of prehistoric life. 0 To officially be a fossil, the remains of an entire organism must be found. O The remains of an organism that lived 500 years ago is called a fossil. Only the remains of animals. and not plant, can be made into a fossil. Question 2
Answers
Answer: The remains of an organism that lived 500 years ago is called a fossil.
Explanation:
A fossil can be defined as dead remains of plants and animals that existed past geological era. The traces of bones, and other skeletal remains, pollen, hard wooden materials can be found in the compact rock as the soft parts of the organisms are decomposed and decayed. The remains like shells, exoskeleton, amber, hair, and other can also be found. It takes many years for the development of fossil beneath the earth crust. The morphological, anatomical, physiological and molecular features can be assessed to know the age of the fossil.
Answer:
fossil is any trace of prehistoric life
How would the introduction of a predator species affect the stability of an
ecosystem?
A. The native prey might not be able to protect itself against the new
predator, so the prey population would probably decline rapidly.
B. The stability would not change because the new predator would
simply replace the native predator.
C. The new predator would be unable to hunt effectively for native
prey, so the stability would not change.
D. The stability of the ecosystem would increase as a result of the
introduction of a new predator species.
Answers
Name one sign a plant is deficient in nitrate
Answers
Answer:
the leaves will turn a pale green or yellow color
2. In the diagram below, west is to the left, east is to the right, and the observer is looking toward the north. What is the direction of the wind?
A. NE
B. NW
C. SE
D. SW
Answers
Answer: SW
Explanation:I got it wrong and it gives you the right answer so thats that
The direction of wind is SW direction. Hence option D is correct.
What is wind?Wind is defined as the air movement brought on by the Earth's rotation and the sun's uneven heating of the surface. The uneven heating of the Earth by the sun and the rotation of the Earth result in wind, which is the movement of air. Light breezes to natural disasters like hurricanes and tornadoes are all types of winds. In addition to being a plentiful and limitless resource, wind also generates power without consuming any fuel or polluting the environment.
An anemometer can measure wind speed, and a weather vane or wind vane can detect wind direction. When put with anemometers, many wind vanes can be installed in numerous locations to calculate the overall wind profile of a specific area.
Thus, the direction of wind is SW direction. Hence option D is correct.
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Gas exchange involves the transport of two respiratory gases, oxygen and carbon dioxide. Match each statement into the appropriate items whether it applies to oxygen only, carbon dioxide only, or both oxygen and carbon dioxide.
a. Net diffusion from alveoli capillaries
b. Waste product of cellular respiration
c. Sometimes transported as bicarbonate
d. Net diffusion from lung capillaries to alveoli
e. Net diffusion from body tissues blood
f. Enters alveoli during inhalation
g. Required for cellular respiration
h. Transported by hemoglobin
Answers
Answer:
a. both oxygen and carbon dioxide
b. carbon dioxide only
c. carbon dioxide only
d. oxygen only
e. carbon dioxide only
f. oxygen only
g. oxygen only
h. oxygen only
Explanation:
This question is describing the gaseous exchange of carbon dioxide and oxygen that occurs during cellular respiration. The gaseous exchange occurs via a structure called ALVEOLI OR AIR SAC.
According to this question, the following statements in the question will be matched with whether it applies to oxygen only, carbon dioxide only, or both oxygen and carbon dioxide:
a. Both oxygen and carbon dioxide are diffused through the alveoli capillaries.
b. Carbon dioxide is the waste product of cellular respiration (excreted via the lungs).
c. Carbon dioxide have the ability to form carbonates (CO3²-) and are sometimes transported in that form.
d. Oxygen from the lungs diffuse into the alveoli during inhalation.
e. Carbon dioxide from the body tissues are carried by the blood into the alveoli in order to be transported out of the body.
f. Inhalation is the taking in of air (oxygen-containing). Hence, oxygen only enters alveoli during inhalation.
g. Oxygen is the necessary substance needed by cells in order to perform cellular respiration (aerobic).
h. Haemoglobin is an iron-based protein present in the blood cells. It possess affinity for oxygen and carries oxygen in the blood.
Two receptors bind to a same chemical messenger, but the concentration of this chemical messenger required to reach a certain number of bound messengers for one receptor is twice as great as the concentration for the other receptor. Thus, these two receptors have same ________, but different ________, to this chemical messenger
Answers
Answer:
binding specificity; affinity
Explanation:
Receptor binding specificity can be defined as the selectivity of a receptor to bind with a particular chemical messenger. Binding specificity is determined by the interaction between the chemical messenger and its specific receptor, as well as the binding site three-dimensional (3D) structure of both. This concept is contrary to receptor promiscuity, where a receptor can bind to many different chemical messengers. On the other hand, binding affinity can be defined as the overall affinity or avidity of binding. The binding affinity is determined by the accumulated strength of individual attractive forces between a chemical messenger (ligand) and its receptor.
Humans are creating antibiotic resistant bacteria through a process of.....?
Breeding
Natural selection
Recombinant DNA
Answers
Humans are creating antibiotic resistant bacteria through a process if Recombinant DNA
HELP PLS ASAP
Directions: Drag the nitrogenous bases to the correct locations on the image. Each base can be used more than once, but not all bases must be used. A section of a DNA molecule is shown in the diagram below, but only one strand is complete. Add the correct nitrogenous bases to the molecule to form two complementary DNA strands. C T G U А TG CTC A G A C Reset Next Question
Answers
Answer:
DNA strand: TGCTCAGAC
Complementary DNA strand: ACGAGTCTG
Explanation:
Deoxyribonucleic acid (DNA) is a molecule consisting of two strands, where each strand is composed of a linear sequence of nucleotides (polynucleotide chain). Each DNA nucleotide is composed of 1-a deoxyribose sugar, 2-a phosphate group, and 3-a nitrogenous base. In DNA, there are four types of nitrogenous bases: Adenine (A), Guanine (G), Thymine, and Cytosine (C). These nucleotides are held together by hydrogen bonds in order to form the DNA double helix. By base pairing, G always pairs with C, and T always pairs with A, thereby the amount of G is equal to C and the amount of T is equal to A. In the RNA, T bases are replaced by Uracil (U) bases.
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What is the relationship between anabolism and catabolism?
Choose 1 answer:
(Choice A) A Anabolism and catabolism are identical processes.
(Choice B) B Anabolism builds molecules using the energy produced during catabolism.
(Choice C) C The breakdown of molecules in anabolism provides energy for catabolism.
(Choice D) D Catabolism synthesizes large molecules that are destroyed by anabolism.
Answers
Answer:
(Choice B) B Anabolism builds molecules using the energy produced during catabolism.
I WILL MARK BRAINLIEST AND 50 POINTS!!!!!!!!!!!!!! PLEASE HELP!
Answers
Answer:
Based on knowledge of enzymes and the given data, it can be concluded that Tcn-protease is most likely active in the alligator's stomach and Wx-protease is most likely active in the alligator's intestines. As clear from the graph, the enzymic activity for Tcn-protease is highest at an acidic pH, which means it works best in an acidic environment, such as the very acidic stomach of an alligator. It is additionally clear from the graph that the enzymic activity for Wx-protease is highest at a neutral pH; therfore, it is most likely to be found in a neutral environment, such as the alligator's intestines.
Explanation:
A pH less than seven is acidicA pH of at or around seven is neutralA pH of more than seven is alkaline (basic)17
Genetic diversity is an advantage to all living species. Why is this usually necessary to the success of a species?
A It keeps them from evolving at a rapid pace
B It decreases the gene pool of a species, allowing them to withstand major changes or challenges as a species
It increases the gene pool of a species, allowing them to withstand major changes or challenges as a species
It allows the to evolve more rapidly into different species
Answers
Answer:
Anwer is it increase the gene pool of species allowing them withstand major changes or challenges as a species
OF CHAPTER REVIEW QUESTIONS
iple Choice Questions
. The principal site of protein synthesis in a cell is
a. Endoplasmic reticulum
C.
Ribosomes
b. Nucleus
d. Golgi - Apparatus
a.
Answers
Answer:
b. Nucleus
Explanation:
A cell can be defined as the structural, fundamental, biological and functional unit of life. Cells are found in all living organisms because they are the basic unit of life. A unicellular organism refers to a living organism that possess a single-cell while a multicellular organism has many (multiple) cells. Generally, cells have the ability to independently replicate themselves. In a cell, the "workers" that perform various functions or tasks for the survival of the living organism are referred to as organelles. Some examples of cell organelles with their respective functions in all living organisms such as trees, birds, and bacteria include;
1. Cell membrane : is the wall of the cell and typically controls what leaves and enters the cell.
2. Mitochondria : it provides all the energy required in the cell by transforming energy forms.
3. Lysosomes : they are responsible for absorbing materials and breaking the materials taken in by the cells.
4. Chromosomes : they give sets of instructions for the synthesis of products.
5. Ribosomes : they are involved in the build up of proteins.
6. Endoplasmic Reticulum : this is where the ribosomes perform their tasks.
7. Cytoskeleton : they help to maintain and support the shape of the cells.
8. Vesicles : they ensure proteins are properly transported to the right and exact location.
9. Golgi apparatus : it prepares the protein for export by chemically tagging them.
10. Nucleus : it controls all the activities taking place in the cell and the synthesis of proteins.
Hence, the principal site of protein synthesis in a cell is nucleus.
Which of the following best illustrates evidence from comparative anatomy that
supports biological evolution?
Answers
Explanation:
our ancestors turning into humans that have evolved today
Historically many ideas concerning cells have been examined leaving three to be incorporated into the cell theory which of the following is not part of the cell theory
Answers
Answer:all life form contains more than one cell
Explanation: thats the only question that's not true
Historically, many ideas concerning cells have been examined, leaving three to be incorporated into the cell theory except that all life forms are made up of more than one cell as the life forms can either be single or multicellular.
What is the significance of the theory behind the cell?Cell theory, a foundational concept in biology, states that all living organisms are made of cells, and these cells come from pre-existing cells and not from anywhere else. All these postulates support the idea that cells are the basic building blocks of life and that life can only be generated through the replication process.
Hence, historically, many ideas concerning cells have been examined, leaving three to be incorporated into the cell theory except that all life forms are made up of more than one cell as the life forms can either be single or multicellular.
Learn more about the cell and its theory here.
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Which two of the following form the base pairs in DNA?
Answers
Answer: These 2 are called the double helix made up of sugar and phosphate groups. Attached to each sugar is one of four bases--adenine, cytosine, guanine, and thymine.
What are some examples of lab saftey rules. Explain why these rules are put in place for the learning environment and what would a lab class look like without any lab safety rules.
Answers
Answer:
How was the government able to make children go to residential school?
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- wearing protective and proper clothing (eg. goggles, gloves, close-toed shoes)
-locating emergency equipment (eg. eyewash station, fire extinguisher, fire blanket)
- not eating or drinking liquids
- handling chemicals properly and following lab procedures
- dispose waste properly and clean up area when finished.
-do not consume any chemicals or substances
- be attentive
There’s a lot more but these are the most common ones.
—————-
These rules are put in place for the learning environment because it ensures the safety of all persons in the lab and prevents any accidents from happening such as injuries and dangers. They also prevent dangers such as cross contamination and explosions from occurring.
A class without lab safety rules would be extremely dangerous and even deadly. People would get injured and many hazardous risks would come up. (like cross contamination, explosions, mentioned above). Injuries like blindness, burns, and cuts can occur. Just imagine a class of 2nd graders with no teacher around. that’s kind of like a lab without safety rules :)
hope that helps!
Reason why a pest species is introduced sexually
Answers
Earth has five layers based on physical characteristics. The diagram below shows these
five layers. Which letter represents the asthenosphere, the soft layer on which the
tectonic plates move?
Answers
how does the enzyme impact activation energy
Answers
Answer:
Enzymes are biological catalysts. Catalysts lower the activation energy for reactions. The lower the activation energy for a reaction, the faster the rate. Thus enzymes speed up reactions by lowering activation energy.
Explanation:
What changes accompany cell determination? HINT: It's not A.
A. changes from determinate to indeterminate pathways
B. molecular changes, such as expression of certain genes for tissue-specific proteins
C. changes in zona pellucida after binding of sperm to egg plasma membrane
Answers
Answer:
B)
Explanation:
changes from determination to interminate pathways molecular changes such as expression of certain genes for tissue specific protein.
Using the diagram as a guide, create a Punnett square to show a cross between Jason's father, who has brown hair, and Jason's mother, who has blonde hair (Hint! Jason's father's mother has blonde hair).
Explain the process of completing the Punnett square for Jason's parents. Be sure to correctly use the vocabulary terms Punnett square, genotype, phenotype, dominant, recessive, and alleles.
Based on the Punnett square, what is the probability that Jason would have brown hair?
Answers
Answer:
50% probability of brown hair.
Explanation:
Jason will have an 50% probability of having brown hair, brown hair is a dominant trait meaning Jason's fathers father had a brown phenotype as well since his mother had blonde phenotype. Causing Jason's father to have a genotype of of Bb, B is dominant brown phenotype and b is recessive blonde phenotype, and since Jason's mothers genotype is recessive b the possible genotypes are Bb, Bb, bb, bb so Jason has a probability of 50%.
Q. In which form
(i) oxygen is carried to the tissues ?
(ii) CO2 moves out of the blood ?
It is short answer question..I'll appreciate!
Answers
➜ Oxyhaemoglobin.
➜ Carboxyhaemoglobin and as carbonic acid (CO2 dissolved in blood plasma).
Answer:
homogolobin
bicarbonate ions
Which outcome is a consequence of nutrient pollution? A. Temperature change in the water B. Excessive growth of algae C. Migration changes in animals D. Reduced biodiversity of soil
Answers
Answer:
b
Explanation:
Nutrient pollution can create dead zones areas in water with little or no oxygen where aquatic life cannot survive. Also known as hypoxia, these areas are caused by algal blooms consuming oxygen as they die and decompose.
Answer:
B.
Explanation:
Excessive growth of algae
answer for plato
I NEED HELP ASAP PLS If the Gulf Stream cooled, what would happen to the climate?
Answers
If AMOC and the Gulf Stream do become weaker, the probability is that Northwest Europe is going to get cooler, or not warm as much as it otherwise would under global anthropogenic climate change. And if sea level is a little bit higher, maybe because of the Gulf Stream weakening, it only makes matters worse.
Explain why global efforts are being made to mass vaccinate populations and the importance of herd immunity in wiping out disease nationally and globally?