During the winter you become sick with the flu. Shortly after that, you become sick with strep throat. Will the same type of B-cells that fought the pathogen that caused the flu fight the pathogen that causes strep throat?
a
Yes. Every B cell is capable of fighting every pathogen with which it comes in contact.
b
Yes. B cells recognize similar antigens such as bacterial and viral pathogens.
c
No. B cells fight viruses while T cells fight bacteria.
d
No. Each B cell is capable of recognizing one specific antigen.

The correct answer is phosphorous but occurs in the form of a phosphate. ATP stands for Adenosine Triphosphate. 

ATP is composed of three components.  At the center of the molecule is found ribose, a sugar molecule which is the very same sugar that forms part of RNA. To one side of ribose is attached a base known as adenine. This base belongs to a group of molecules made of linked rings of both carbon and nitrogen atoms.

To the other side of ribose is attached a string of phosphate groups which are key to the energy carrying activities of ATP.

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The key component of the energy molecule ATP is phosphorus (option B)

Adenosine triphosphate (ATP) is the energy currency of all living cells. ATP consists of three constituents: adenine, ribose and three phosphate groups.

Phosphate groups contain phosphorus, which serves as an element, for storing energy in the form of chemical bonds. It's important to note that ATP does not include sodium, chlorine or sulfur, in its composition.

With the information provided above, we can infer that phosphorus is a key component of the energy molecule ATP (option B)

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Complete question:

Which is a key component of the energy molecule ATP? A. sodium B. phosphorus C. chlorine D. sulfur

Answer:

I think it's B. and D. I'm 98% sure.

Explanation:

d) Grasses are not similar to succulents because they lack adaptations like fleshy leaves for storing water. Grasses can tolerate extreme temperatures, are widely distributed, and include many important grains. They primarily use wind pollination to reproduce.

The statement that is not true about grasses is that d)  they are similar to succulents. Grasses are not similar to succulents because succulents have evolved to survive in arid environments with features like thick, fleshy leaves and shallow roots to store water and reduce transpiration.

Grasses are significant in terms of pollination since they primarily rely on wind pollination to reproduce. They produce large amounts of fine pollen transported by the wind, facilitating wide distribution and stability of the species.

Answer:

Sudden changes in the temperatures and sudden drop in pressure conditions led to how we see the present present atmosphere and suggest the evolution of cyanobacteria.

Explanation:

Cyanobacteria all live in aquatic environments and use photosynthesis to make their own food. Additionally, all cyanobacteria belong to the larger class of bacteria, which is one of the largest groups of organisms. Most cyanobacteria are unicellular, and they typically live in large colonies.

Answer: Cyanobacteria also known as blue green algae , they make their food by the process of photosynthesis.

Explanation: features of Cyanobacteria :-

Photosynthesis in Cyanobacteria is because of the presence of  two pigments green pigment chlorophyll and blue pigment phycobilins. They found in aquatic and terrestrial habitat. They are adapted to live in extreem conditions.

They do not have membrane bound nucleus and other organells.

Answer:

multicellular

Explanation:

The underslung jaw of a dogfish helps with capturing prey. However, it limits bite strength and may hinder feeding on larger prey.

Enhanced Prey Capture: The underslung jaw allows the dogfish to protrude its mouth forward and downwards.

This makes it easier to engulf prey, particularly when pursuing smaller, agile fish and other aquatic organisms. The protruding jaw aids in quick and efficient prey capture.

Improved Suction: The design of the underslung jaw creates a vacuum-like effect when the dogfish opens its mouth, which helps in drawing prey into its mouth.

This is especially valuable when targeting fast-moving or slippery prey items.

However, this jaw structure does come with certain disadvantages:

Reduced Bite Strength: The underslung jaw limits the dogfish's ability to deliver powerful bites. This is because the force generated during biting is not as effectively transmitted to the jaws due to the jaw's position.

This may make it less effective at breaking through hard shells or bones of larger prey.

Limited Prey Size: The underslung jaw may restrict the size of prey that a dogfish can consume. Larger prey items might be difficult to accommodate in its mouth and may not fit within the jaw structure.

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Adult fungi and plants share characteristics like being sessile, having stem-like and root-like structures, and being multicellular eukaryotes. Both can reproduce asexually and sexually. However, fungi are heterotrophic and have cell walls made of chitin, whereas most plants are autotrophic and have cellulose-based cell walls.

Adult fungi and plants share some characteristics due to their historical classification together, although fungi are now known to be more closely related to animals. Both fungi and plants are generally sessile, meaning they largely stay in one place, and they both have structures that can be considered stem-like and root-like, with fungi having a mycelium in the soil similar to root systems in plants.

Moreover, both fungi and plants are multicellular eukaryotes, signifying they have complex cellular structures with a nucleus and other membrane-bound organelles. In terms of reproduction, some fungi can reproduce both asexually and sexually, similar to plants who have a life cycle alternates between a multicellular haploid organism and a multicellular diploid organism.

However, it's essential to note key differences. Fungi are heterotrophic, absorbing nutrients from their environment, while most plants are autotrophic, producing their own food via photosynthesis. Furthermore, the cell walls of fungi are primarily composed of chitin, while plants' cell walls are made of cellulose.

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Answer:cat

Explanation:

Answer:

Isogametes

Explanation:

Gametes or sex cells are cells produced by sexually reproducing organisms used in their process of reproduction. Gametes produced by a male and female parent of the same species can either be morphologically similar or different i.e. in size and shape. Gametes that are similar in size and shape are generally called ISOGAMETES.

Isogametes have no structural distinction as opposed to their anisogametes counterpart i.e. both male and female are structurally identical. This kind of gametes are produced in some fungi and algae species. When isogametes fuse, the process is regarded as ISOGAMY.

The statement which is not true about wildfires in deciduous forests is that Deciduous forests are unaffected by wildfires. Thus, the correct option for this question is A.

Wildfires may be defined as uncontrolled fire that significantly burns in wildland vegetation, often in rural areas. Wildfires can start from natural causes, such as lightning, but they are usually caused by humans, such as campers or hikers who did not put out their campfires properly.

The consequences of wildfires are determined by the fact that it completely eliminates or degrades all sorts of biodiversity that is present in the original position. In more simple words, wildfires are harmful to storing biodiversity in any region.

The density of vegetation and other biodiversity is compactly found in deciduous forests. So, the activity of wildfires may greatly impact the forests of deciduous.

Therefore, the correct option for this question is A.

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Water freezing is a physical change because it involves a transition in the state of matter, from liquid to solid, without altering the substance's basic nature. Physical changes are typically reversible, as in the case of water changing to ice and then back to water.

The freezing of water is called a physical change because it involves a change in the state of matter, from liquid to solid, without altering the fundamental composition or identity of the substance. In a physical change, substances merely change their forms but not their internal structures. Water, for example, may change from a solid (ice) to a liquid (water) or a gas (steam) but it still remains H2O. Physical changes are usually reversible. For instance, frozen water (ice) can revert back to its liquid state when heat is applied.

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Answer:

The correct answer would be : GGGAAAATG DNA sequence.

Explanation:

Protein sequence is formation is occurred by the transcription and translation which include DNA to mRNA sequence which is complimentary in base nitrogenous bases to the DNA sequence.

mRNA sequence translate into amino acid sequence in triplet codes for every three nitrogenous mRNA sequence. Proline is coded by CCC/CCU/CCG/CCA among option that is complimentary to the GGG. For the phenylalanine which is code by UUU and UUA complimentary of AAA/AAT and tyr stop codon is coded by UAA/UAG which code by ATC/ATT.

Thus, the correct answer is :  GGGAAAATG DNA sequence.

A cell receives a net gain of two molecules of ATP during glycolysis, the first step of cellular respiration. ATP, the main form of energy used by cells, is important for many cellular functions.

In the process of glycolysis, one glucose molecule is split into two pyruvate molecules, which are then phosphorylated at the substrate level to produce four molecules of ATP. However, the initial step of glycolysis uses two ATP molecules, so there is a net gain of two ATP molecules. Two molecules of NADH (nicotinamide adenine dinucleotide), which can be employed in the electron transport chain to produce additional ATP during aerobic respiration, are also produced by glycolysis in addition to ATP.

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Correct answer: A). The energy of the photon is directly proportional to frequency.  

A photon is a quantum of electromagnetic radiation, and quantum is the smallest unit of quantity. Thus the photon is the smallest unit of light. The energy is directly proportional to the frequency of the photon and inversely proportional to wavelength.

It means higher the frequency of photon greater will be its energy and lesser will be its wavelength.

Organisms such as algae are described as producers, autotrophs, or phytoplankton. Herbivorous fish are known as herbivores, primary consumers, or grazers. Small carnivorous fish are called secondary consumers, predators, or small piscivores, while large carnivorous fish are termed tertiary consumers, apex predators, or large piscivores.

Three terms used to describe organisms such as algae include producers, autotrophs, or phytoplankton when they are free-floating. These terms indicate that algae are capable of producing their own food through photosynthesis and are essential components of aquatic food webs.

Herbivorous fish can be described with terms such as herbivores, primary consumers, or grazers. These terms suggest that these fish feed primarily on plant material, such as algae or aquatic plants, to obtain their energy and nutrients.

Small carnivorous fish could be described as secondary consumers, predators, or small piscivores. These fish consume smaller organisms, often other fish or aquatic invertebrates, as their primary food source.

Large carnivorous fish can be labeled as tertiary consumers, apex predators, or large piscivores. Such descriptors indicate these fish are at the top of their food chain and prey on other fish or large aquatic fauna.

b. spread out from one pole and curve around to the other.

The correct option is b.

The following information should be considered:

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