2. which type of hemolysis is seen when the organism (identified in question 1) is streaked to a sheep blood agar (bap)? list and describe which types of hemolysins this bacterium produces.
Answers
Streptococcus pyogenes is a beta-hemolytic organism, which means that it causes complete lysis of red blood cells. When it is streaked on sheep blood agar (BAP), a clear zone surrounding the bacterial growth is visible. The clear zone indicates that the organism has produced a hemolysin that can cause complete lysis of red blood cells.
Beta hemolysin is one of the three types of hemolysins produced by Streptococcus pyogenes. Hemolysins are bacterial toxins that cause destruction of red blood cells. Alpha-hemolysin and gamma-hemolysin are the other two types of hemolysins.
Alpha hemolysis occurs when bacteria partially break down red blood cells, resulting in a greenish discoloration of the surrounding medium. Gamma hemolysis occurs when bacteria do not cause any change in the medium around the colonies.
To know more about pyogenes visit:
https://brainly.com/question/31842554
#SPJ11
Related Questions
5. In a rainforest, giant trees normally live for hundreds of
years. However, when they do die and fall to the ground,
hundreds of seedlings will compete to take its place. What
adaptation is most necessary for a young tree to mature in
this environment?
A. The ability to grow vertically at a rapid rate
B. The ability to establish a deep root system while
growing at a slow and steady rate
C. The ability to retain water to survive in drought
D. The ability to grow narrow, small leaves
Answers
Answer:
b
Explanation:
i think im right
That nature contributes to the supply of clean water is an
example of:
Choose one option:
Sustainability
Ecosystem services
Biomimicry
Industrial symbiosis
Answers
Ecosystem services is an example of how nature contributes to the supply of clean water. Ecosystem services are benefits that people obtain from ecosystems. They are distinguished into four categories: provisioning, regulating, cultural, and supporting services.
Ecosystem services include the provision of clean air and water, the pollination of crops, the mitigation of natural disasters, and the provision of recreational opportunities. Nature provides a variety of ecosystem services that are essential to human well-being. The supply of clean water is an example of ecosystem services. The water we drink comes from rivers, lakes, and underground aquifers that are replenished by rain and snowmelt.
These freshwater ecosystems not only provide us with water but also with food, fiber, and recreation opportunities. That nature contributes to the supply of clean water is an example of ecosystem services. Ecosystem services are benefits that people obtain from ecosystems.
The supply of clean water is one such service provided by nature, and it is essential for human well-being. The water we drink comes from rivers, lakes, and underground aquifers that are replenished by rain and snowmelt. These freshwater ecosystems not only provide us with water but also with food, fiber, and recreation opportunities.
To know more about Ecosystem, refer
https://brainly.com/question/842527
#SPJ11
a blood agar plate is shown below with an unknown staphylococcus species and novobiocin antibiotic disk. the species is most likely:
Answers
A blood agar plate is shown below with an unknown staphylococcus species and novobiocin antibiotic disk the species is most likely epidermidis.
Simply put, species that are used for food timber medicinal purposes or as pets or ornamental plants collected or otherwise attracting attention are at high risk of extinction. Organisms that are better adapted to their environment are more likely to inherit genes that have contributed to their survival and success.
This process causes species to change and diverge over time. Natural selection is one way to explain the millions of species that have lived on Earth. Endangered means that a species is threatened with extinction in all or a significant portion of its range. Endangered means that a species is likely to be at risk of extinction in the foreseeable future.
Learn more about The species here:-https://brainly.com/question/25939248
#SPJ4
how does a bryophyte excrete?
Answers
Answer:
They do not excrete
Explanation:
Bryophytes have neither pollen nor flowers and rely on water to carry the male sperm to the female eggs. The spore capsules are produced after a male gamete (the sperm) has fertilized a female gamete (the egg). Hence the spores are part of the sexual reproductive cycle.
Answer:
Bryophytes excrete with the help of erect stem with spirally arranged leaf like structures and with rhizoids (hair like structures that function as roots) at the base.
Explanation:
Someone help and plz make sure it’s right :) will mark brainiest
Answers
Answer:
total # of species
Explanation:
species richness is a number of different species represented in the ecological community landscape or region.
Answer: Species richness is the number of different species represented in an ecological community, landscape or region.
how many different types of bases are used to encode all the genetic information in a molecule of dna?
Answers
There are four different types of bases used to encode genetic information are
Adenine (A),
Cytosine (C),
Guanine (G),
Thymine (T).
The order and sequence of these bases along the DNA molecule determine the specific instructions for building and maintaining an organism.
The bases pair up in a specific way: adenine pairs with thymine, and cytosine pairs with guanine. This pairing is called complementary base pairing. It ensures that the two strands of the DNA molecule are held together by hydrogen bonds.
The sequence of these bases is what makes each individual's DNA unique. The human genome, for example, contains approximately 3 billion base pairs.
It's important to note that the different combinations of these four bases allow for a vast amount of genetic information to be stored in a relatively small molecule. This information is essential for the development, functioning, and evolution of living organisms.
To know more about genetic information refer to:
https://brainly.com/question/28309571
#SPJ11
11
All of the following are sources of genetic variation except:
1
Mitosis/Binary fission
Independent assortment
Random fertilization
Mutations
Answers
similarity between f1 generation and p generation
Answers
F1 generation refers to the first filial generation of the offspring from the parents, while F2 generation is the second filial generation of the offspring, generated through the inbreeding of F1 individuals. The F1 generation results from cross-pollination of two-parent (P) plants and contained all purple flowers. The F2 generation results from the self-pollination of F1 plants and contained 75% purple flowers and 25% white flowers. This type of experiment is known as a monohybrid cross.
what kind of cells can develop from pluripotent stem cells?
Answers
Answer:
Pluripotent cells can give rise to all of the cell types that make up the body; embryonic stem cells are considered pluripotent. Multipotent cells can develop into more than one cell type, but are more limited than pluripotent cells; adult stem cells and cord blood stem cells are considered multipotent.
are you able to recognize and identify the various formed elements? you will need to do this is a systematic manner, scanning along the image. the standard method is to use a grid, but this is not possible with this resource. try constructing a simple table with each leukocyte type and then making a mark for each cell type you identify. attempt to classify at least 50 and perhaps as many as 100 different cells. based on the percentage of cells that you count, do the numbers represent a normal blood smear or does something appear to be abnormal?
Answers
Yes, it is possible to recognize and identify the various formed elements without the use of a grid.
To do this, create a simple table with each leukocyte type, then mark each cell type you identify. To get a comprehensive overview, try to classify at least 50 and up to 100 different cells. Depending on the percentage of cells that you count, you can determine if the numbers represent a normal blood smear or something that appears to be abnormal.
If the percentage of cells is within the normal range, it indicates a normal blood smear. Conversely, if the percentage is higher or lower than expected, it may suggest an abnormal result. This can be attributed to numerous factors such as infection, inflammation, or leukocytosis. In addition, it is important to examine the morphology of the cells and check for the presence of any abnormal or immature forms. The size and shape of the cells can give insight into their developmental stages, which can be indicative of a certain type of abnormality.
Finally, it is essential to consider the specific context in which the blood smear was obtained in order to properly interpret the results. By combining all of these factors, it is possible to arrive at a definitive conclusion about the blood smear.
Know more about leukocyte here :
brainly.com/question/822519
#SPJ11
When Carbon is released from living things to the atmosphere, what form does it take and what is the
chemical formula for it?
Answers
Answer:
CO2
Explanation:
carbon combines with oxthen resulting to form CO2 in atmosphere
The main source of energy used by the body is found in?
Answers
Answer:
carbohydrates
what is the unit used to measure how much municipal solid waste is generated
Answers
Which one of the following is NOT filled with perilymph?
a. Scala tympani
b. Cochlear duct
c. Scala vestibuli
d. Vestibule
Answers
**The structure that is NOT filled with perilymph is the Cochlear duct**. Perilymph is a fluid found in the inner ear that helps transmit sound vibrations.
The Scala tympani and Scala vestibuli are two of the three compartments of the cochlea, and they are filled with perilymph. The Vestibule, which is responsible for detecting changes in head position and linear acceleration, contains perilymph as well. However, the Cochlear duct, also known as the scala media, is filled with another fluid called endolymph, which plays a crucial role in the function of the cochlea and the detection of sound.
Learn more about Perilymph here:
https://brainly.com/question/14728044
#SPJ11
in no more than three sentences describe the need for transformation and the different kinds of transformation and the differences between the different methods
Answers
The need for transformation arises when a business wants to adapt to changing market conditions or improve its operations.
What are the needs for transformation?
There are different kinds of transformation such as digital, organizational, and cultural. The methods for achieving transformation can include incremental changes, radical redesign, or the adoption of new technologies. The choice of method will depend on the specific goals and context of the transformation.
The need for transformation arises when data or information needs to be altered, improved, or adapted to fit different requirements or purposes. Different kinds of transformations include linear, nonlinear, and affine transformations, which vary in complexity and the type of changes they apply to data. The differences between transformation methods lie in their approaches to altering data, such as scaling, rotating, translating, or distorting information to achieve the desired outcome.
To know more about Transformation, visit:
https://brainly.com/question/30357876
#SPJ11
What condition must be met for conduction to occur
Answers
1 point
6.
What does this graph of plant heights show?
60 f Height (cm)
55
50
Plant 1
45
40
35
30
25
20
15
10
5
Plant 2
Time (days)
5 10 15 20 25 30 35 40 45 50
O Plant 2 ended up taller than Plant 1.
O Plant 1 was always taller than Plant 2.
O Plant 1 grew steadily. Plant 2 grew quickly at first and then stopped
growing
O Plant 2 grew steadily. Plant 1 grew slowly at first and then grew quickly.
Answers
Based on the graph of plant growth, it can be concluded that Plant 1 grew steadily. Plant 2 grew quickly at first and then stopped growing.
The correct option is C.
What are the factors that affect plant growth?Plant growth refers to the increase in size and height of a plant as a result of the metabolic activities that occur in the plant.
The growth of your plants can be impacted by four key elements. They are temperature, light, nutrients, and water. These four factors have an impact on the plant's growth hormones, which will either cause the plant to grow swiftly or slowly.
Learn more about plant growth at: https://brainly.com/question/30368774
#SPJ1
explain the relationship between elements and a living organism's structure and function
Answers
Answer:
Function and structure are related, because of a certain structure a living thing make contain makes the object function the way it does. There are a lot of structural future in humans, plants, animal and all living things.
Explanation:
1. The wetness of earwax is controlled by a single gene in humans, where dry earwax is recessive to wet earwax. If 4% of a population has dry earwax and the population is in Hardy-Weinberg equilibrium, calculate the frequency of the dominant allele in the population.: *
(A) 0.2
(B) 0.4
(C) 0.8
(D) 0.16
2. Below are four types of mutation that can occur in an exon sequence. Which is likely to cause the largest change to the resulting protein?: *
(A) Single base pair deletion
(B) Three base pair deletion
(C) Missense mutation
(D) Synonymous mutation
Answers
The frequency of the dominant allele in the population is 0.8, the single base pair deletion is likely to cause the largest change to the resulting protein and the correct options are options are C and A.
In a population in Hardy-Weinberg equilibrium, the frequency of the dominant allele (p) can be calculated using the equation:
p² + 2pq + q² = 1
Where p² represents the frequency of individuals with the dominant genotype (wet earwax), 2pq represents the frequency of individuals heterozygous for the gene, and q² represents the frequency of individuals with the recessive genotype (dry earwax).
Given that 4% of the population has dry earwax, the frequency of the recessive genotype (q²) is 0.04. Since dry earwax is recessive, q² represents the frequency of individuals with the dry earwax genotype.
q = √0.04 = 0.2
To calculate the frequency of the dominant allele (p), we can use the equation:
p = 1 - q
p = 1 - 0.2 = 0.8
2. A single base pair deletion in an exon sequence leads to a frameshift mutation, where the reading frame of the mRNA transcript is shifted. This means that all the subsequent codons will be read incorrectly, potentially resulting in a completely different amino acid sequence from that point onwards. This can have a significant impact on the structure and function of the resulting protein.
In contrast, a three base pair deletion would also cause a frameshift mutation but is likely to have a smaller impact compared to a single base pair deletion.
Thus, the ideal selections are option C and A.
Learn more about Allele, here:
https://brainly.com/question/31159651
#SPJ4
Moles and freckles are similar in that they are both:
skin abnormalities
growths
caused by an even distribution of melanin
caused by an uneven distribution of melanin
Answers
Answer:
I believe that the answer would be skin abnormalities.
Explanation:
Growths do not apply.
Melanin applies mainly to freckles.
which individual has a valid reason to take a vitamin/mineral supplement?
Answers
Answer:
If the have a vitamin deficent or anemia as well as a doctor remoceded them increase in their viamin intake.
Explanation:
If 20% of a population is eaten each generation how long will it take for them to go extinct?'
Answers
Answer:
Wild mammals have declined by 85% since the rise of humans. A diverse range of mammals once roamed the planet. This changed quickly and dramatically with the rising number of humans over the course of the last 100,000 years. Over this period, wild terrestrial mammal biomass has declined by an estimated 85%.
To learn more about population, click here...
https://brainly.com/question/32144529
#SPJ11
Explanation:
1) H2O
The number of atoms.
Answers
Answer: i believe it is 3 atoms
explanation
H2 means 2 hydrogen the O is a singular atom of oxygen
Which of the following best describes the relationship between the shape of enzymes and the reactions they catalyze? (5 points)
Group of answer choices
The shape of an enzyme depends on the reaction that it needs to catalyze.
Enzymes with more active sites can catalyze several reactions at once.
The shape of an enzyme determines which reaction it can catalyze.
Enzymes change shape after they catalyze a reaction and become waste products.
Answers
Answer:
The shape of an enzyme determines which reaction it can catalyze.
Explanation:
Enzymes are regenerated at the end of the reaction.
Which organelle creates proteins?
Answers
explain the advantage of ovovivipary over ovipary as a reproductive strategy
Answers
Answer:
ovoviviparous fish, the eggs are fertilized inside of the female. The eggs remain within the mother while they develop allowing for a greater degree of protection from predators and difficult environmental conditions than in oviparous fish.
Explanation:
Oviparity is a mode of reproduction in which animals lay eggs. Ovoviviparity is a mode in which animals lay eggs and keep them inside the mother's body until hatching. Viviparity is the mode of reproduction in which animals directly give birth to young ones
I got help from
After translation has been initiated, for how long does elongation go on?
A. Until the ribosome reaches an AUG codon
B. Until the ribosome reaches a UAA, UAG, or UGA codon
C. Until the ribosome reaches the end of the mRNA
D. Until the ribosome reaches the poly(A) tail of the mRNA
E. Until the cell runs out of tRNAs
Answers
After translation has been initiated, elongation continues until the ribosome reaches a stop codon Until the ribosome reaches a UAA, UAG, or UGA codon so the correct answer is option(b).
These codons signal the end of the protein sequence and do not code for an amino acid. Once the ribosome reaches a stop codon, the translation process is terminated, and the completed protein is released
During elongation, the ribosome moves along the mRNA, adding amino acids to the growing polypeptide chain. This process continues until a stop codon is encountered. The stop codon signals the end of the protein sequence and does not code for an amino acid. The ribosome then releases the completed protein, and the mRNA and ribosome dissociate. Thus, elongation goes on until the ribosome reaches a stop codon, which is the correct answer to this question.
Know more about codons signal click here:
https://brainly.com/question/11804651
#SPJ11
In the absence of glucose and the presence of lactose, where is the lac repressor bound?.
Answers
In the absence of glucose and in the presence of lactose, the lac repressor is bound to the allolactose, and the lac operon can start.
What is the lac operon?A lac operon is an inducible operon that is activated in the presence of lactose in the outer surroundings of the bacteria. Operon is a series of genes present in the bacterial DNA.
When the lactose is present, the repressors move to bind the allolactose, and as a result, the RNA polymerase can access the lac operon. The repressor has more affinity for allolactose than the operator. RNA polymerase, along with cAMP and CAP proteins, initiates the transcription of lac operon. The transcript has genes for galactosidase, permease, and transacetylase.
Hence, in the absence of glucose and in the presence of lactose, the lac repressor is bound to the allolactose.
Learn more about the lac operon, here
https://brainly.com/question/2562849
#SPJ1
protein complementarity is the practice of combining sources of protein such that amino acid deficiencies in one source are counterbalanced by abundances in another source.
Answers
Protein complementation is when you combine two vegetable proteins to get all 9 amino acids that are essential for your body.
In general , main protein sources are grains and legumes they are also known as complementary proteins sources reason is when these two are combined they will provide all of the essential amino acids. Like wise Nuts and seeds are also considered as complementary to legumes because they contain important amino acid like tryptophan, methionine, and cystine.
Hence , Mutual supplementation is term used when we combine two or more lacking protein sources to make a complete protein. Examples includes Lentils or legumes combined with grains, nuts or dairy also Grain foods with dairy products.
To learn more about protein , here
brainly.com/question/29776206
#SPJ4
Which of the following living characteristics is found in viruses? *
A. Metabolism
B. Homeostasis
C. Growth and development
D. None of the above
Answers
Answer:
i think that the answer is B
Answer:
B. Homeostasis
Explanation:
Homeostasis is found in viruses. Hence, option (B) is the correct answer.