The answer is respiration. Paenibacillus wynnii is a facultative bacteria found in soil and other environments. Being facultative, it can survive in both oxygenated or anoxic environments. Therefore, if put together with Cyanobacteria that produces oxygen, Paenibacillus wynnii will use the oxygen in respiration.
The oxygen produced by cyanobacteria is used by Paenibacillus wynnii in respiration. The Latin name paene means almost, which reflects its name “almost bacilli”. This endospore-forming bacteria, specifically genus P. larvae is known to cause American foulbrood in honeybees but they are essential in agriculture and horticulture.
In addition, these bacteria can catalyze a wide variety of synthetic reactions ranging from cosmetics to biofuel production for they produce extracellular enzymes like polysaccharide-degrading enzymes and proteases.
Which type of gland produces hormones? which type of gland produces hormones? unicellular exocrine glands holocrine glands endocrine glands multicellular exocrine glands?
Endocrine glands produce hormones, while unicellular and multicellular exocrine glands secrete substances like mucus or enzymes through ducts.
Endocrine glands are the specific type of glands that produce and secrete hormones. Hormones are chemical messengers secreted directly into the bloodstream by endocrine glands.
These hormones travel through the circulatory system to reach target cells or organs in distant parts of the body, where they regulate various physiological processes and maintain homeostasis.
Unicellular exocrine glands are individual secretory cells scattered within epithelial tissues. They secrete substances directly into the external environment or onto a surface through a duct.
However, they do not produce hormones; instead, they typically produce mucus or other substances that aid in functions like lubrication and protection.
Multicellular exocrine glands, on the other hand, are composed of multiple cells that work together to produce and secrete substances through a duct onto a surface or into a body cavity.
These substances can include enzymes, sweat, saliva, and other exocrine products. Similar to unicellular exocrine glands, multicellular exocrine glands do not produce hormones.
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Bacteria convert atmospheric nitrogen to which of the following in the process of nitrogen fixation?
Question 1 options:
nitric acid
phosphorus
ammonia
nitrogen gas
Question 2 (20 points)
Question 2 Unsaved
During which of the following steps of the water cycle is water changed from a vapor state to a liquid state?
Question 2 options:
evaporation
precipitation
condensation
transpiration
Question 3 (20 points)
Question 3 Unsaved
What impact can deforestation have on the water cycle?
Question 3 options:
Carbon dioxide is released into the air as trees are burned.
Photosynthesis increases, thereby increasing the amount of carbon dioxide in the air.
Transpiration declines.
The amount of nitrogen-fixing bacteria increases.
Question 4 (20 points)
Question 4 Unsaved
Which of the following is the source of energy for the water cycle?
Question 4 options:
volcanic eruptions
the sun
winds
gravity
Question 5 (20 points)
Question 5 Unsaved
Why is nitrogen fixation such an important step in the nitrogen cycle?
Question 5 options:
Soil nitrogen is different.
Plants can't use nitrogen in the form of N2.
Bacteria convert the fixed nitrogen back into N2.
Decomposers need to use NH4+.
Q1) Bacteria are capable of converting atmospheric N in the form of N2 gas to NH3. this process is known as nitrogen fixation. N2 in the atmospheric form is not usable by other organisms, therefore specialised bacteria such as Azetobacter species are capable of carrying out this conversion from N2 gas into NH3 form that can be used by other organisms
Q2) Condensation.
Water in the gaseous state or known as vapour state converted to liquid state, process is known as condensation. in condensation the particles in water become more tightly packed and heat energy is removed from these particles reducing their kinetic energy thus becoming liquid state
Q3)
Transpiration declines
Deforestation is when the number of trees and plants have been cut down therefore numbers have reduced drastically, transpiration is the process in which water is transported through the plant and lost to the environment through evaporation. When the trees and plants have reduced the water lost by way of transpiration is also reduced. This impacts the water cycle as the number of water being cycled in the environment is lesser now.
Q4) the sun
sun is the major source of energy that facilitates the recycling of water in the water cycle. The sun causes water to be evaporated from water bodies and converted to water vapour. This water vapour is then recycled.
Q5) Plants can’t use Nitrogen in the form of N2
N is an essential element needed by plants, however plants cannot use up the atmospheric N2 gas. therefore bacteria are capable of nitrogen fixation that converts N2 gas into forms that can be used up and absorbed by the plants from soil.
Q1) The correct option is
Nitrogen Gas
Explanation:
The nitrogen cycle involves three major steps: nitrogen fixation, nitrification, and denitrification. Then the Nitrogen fixation is the process in which atmospheric nitrogen (N2) is reduced to NH3. Bacteria are responsible for this process which are known as nitrogen-fixing bacteria. These organisms convert nitrogen present in the soil to ammonia and after nitrogen has been fixed, other bacteria convert it into nitrate, in a process known as nitrification.
Q2) The correct option is
CondensationExplanation:
Condensation is the process of changing the physical state of matter from gas phase into liquid phase. This word most often refers to the water cycle. Condensation happens in two ways: Either the air is cooled to its dew point or it becomes so saturated with water vapor that it cannot hold any more water.
Q3) The correct answer is
Transpiration declines
Explanation:
There are two very important components of the water cycle which are evaporation and transpiration. These processes return water to the atmosphere as gaseous water vapor. Transpiration is the process by which moisture is taken through plants from roots to leaves, where it changes to vapor and is released to the atmosphere. So deforestation can affect the process of transpiration which is essential for water cycle.
Q4) The correct option is
The Sun
Explanation:
Sun is the major source of energy on the earth. When the sun heats the surface of water, it evaporates and ends up in the atmosphere as water vapor which we see as droplets. Then it cools and rises, becoming clouds, which eventually condense into water again.
Q5) The correct answer is
Plants can't use nitrogen in the form of N2.
Explanation:
Animals and plants cannot use atmospheric nitrogen directly therefore bacteria in the soil convert atmospheric nitrogen (N2 gas) into a form that plants can use. So we can say that nitrogen fixation such an important step in the nitrogen cycle.
Cross-sectional views of an artery and of a vein are shown here. identify each on the lines
Which organelle is the primary site of atp synthesis in eukaryotic cells?
a. lysosome
b. vacuole
c. mitochondrion
d. peroxisome?
If the frequency of p = 0.8, what is the frequency of the heterozygous genotype?
A. 1.6
B. 3.2
C. 0.32
D. 0.16
Answer:
According to Hardy Weinberg theorem, the answer comes out to be: 0.32.
By applying the Hardy- Weinberg equilibrium principle, with p = 0.8 and q = 0.2, the frequence of the heterozygous genotype( 2pq) is set up to be0.32. therefore, the correct answer is option C.0.32.
The question pertains to the Hardy- Weinberg equilibrium, which is a principle used in biology to calculate genotype frequentness in a population.
Given the frequence of the dominant allele p = 0.8, we can find the frequence of the heterozygous genotype( 2pq) by knowing that q = 1-p. therefore, q = 0.2.
The frequence of the heterozygous genotype is calculated as 2pq = 2(0.8)(0.2) = 0.32. thus, the correct answer is 0.32.
A client has a respiratory rate of 38 breaths/min. what effect does breathing faster have on arterial ph level?
What is the ER doing that is different in each case??
What is the difference between the rough ER and the smooth ER? What is the ER doing that is different in each case?
Endoplasmic reticulum (ER) is a network of interconnected, flattened membranous sacs called the cisternae. It is of two types namely the rough Endoplasmic reticulum (RER) and the smooth Endoplasmic reticulum (SER). The surface of rough ER is characterized by the presence of the ribosomes whereas the surface of the smooth ER is smooth and do not show the presence of ribosomes.
The function of the rough ER and the smooth ER are different from each other. The rough ER is involved in the manufacture, packaging of proteins and synthesis of enzymes. The smooth ER is involved in the synthesis of lipids, steroid hormones and lipid metabolism.
The ER can be rough or smooth, with the former involved in protein synthesis and the latter in lipid synthesis, detoxification, and calcium storage. Both types are responsible for different kinds of cellular functions and their presence varies depending on the cell type. Proteins synthesized on the RER are also subject to folding and other modifications inside the ER.
The endoplasmic reticulum (ER) plays a crucial role in protein synthesis and lipid metabolism. There are two distinct types: rough ER (RER), which is characterized by the presence of ribosomes on its surface and is involved in protein synthesis; and smooth ER (SER), which lacks ribosomes and is involved in lipid synthesis, detoxification processes, and calcium ion storage. Rough ER is responsible for the synthesis of proteins that are either destined for the cell membrane, secretion, or as part of the cell's membrane system. While smooth ER is associated with lipid and steroid hormone synthesis, regulation of carbohydrate metabolism, and detoxification of drugs and poisons.
Cells possess their own ER, but its functions extend beyond emergency situations. Proteins are made on the RER and undergo important modifications, such as folding with the help of chaperones and addition of carbohydrates through glycosylation. Following synthesis and modification, proteins are transported to various destinations within the cell or outside of it. Folding and modification are crucial as they ensure that proteins achieve the correct three-dimensional structure necessary for their function. The ER lumen's environment permits the formation of disulfide bonds which are critical for stabilizing proteins. In the ER, proteins may also undergo modifications like glycosylation, which involves adding sugar moieties, and the assembly of multimeric proteins.
If purple flower color is dominant (P) and red flower color recessive (p), how many phenotypes are possible in offspring of homozygous purple crossed with homozygous red?
Name three effects that inbreeding can have on a population
Inbreeding is defined as mating or breeding of individuals that are closely related to each other such as organisms that are related in which is done to produce offspring.
Three effects that inbreeding cam have on a population are the following;
- Susceptibility to disease will be decreased
- Offspring number will be reduced
- Genetic variability is decreased
What occurs when objects free fall near the Earth’s surface? constant acceleration constant speed constant distance constant velocity
Answer:
constant acceleration
Explanation:
When an object falls under the action of gravity only it is said that the it is moving under freely. We know that with an increase in height the value of acceleration due to gravity decreases. It is equal to 9.8 m/s².
g is inversely proportional to the radius of the earth. It is more at poles as compared to equator.
So, when the objects fall freely near the surface of earth the object will move under constant acceleration.
Which of the following statements is true? (1 point)
A) Atoms exist in more types than molecules do.
B) Molecules result when atoms lose electrons.
C) Atoms bond with one another in a molecule.
D) Molecules result when atoms acquire extra neutrons.
What is the name of the superficial bone that extends down the front of the lower leg? patella?
What type of enzyme in the replisome catalyzes addition of nucleotides to the growing dna strands?
Give an example of a response that our Autonomic Nervous System might have (something that our bodies do that we don't usually consciously control or think about).
Ddee pea plants can produce _____ type(s) of gametes, but a ddee plant can produce _____ type(s) of gametes.view available hint(s)ddee pea plants can produce _____ type(s) of gametes, but a ddee plant can produce _____ type(s) of gametes.one ... twofour ... twofour ... onetwo ... one
The exchange of materials between the blood and the intracellular fluid (icf) occurs readily through structures known as
The exchange of materials between the blood and intracellular fluid occurs through capillaries. Blood plasma and Interstitial Fluid (IF) play crucial roles during this process as Blood plasma carries materials for exchange and IF acts as an intermediary space. The cell membrane regulates what materials can pass through.
Explanation:The exchange of materials between the blood and the intracellular fluid (ICF) occurs through structures known as capillaries. Materials travel between cells and the plasma in the capillaries through the Interstitial Fluid (IF). The IF is part of the extracellular fluid that fills the space between cells. Cellular waste, nutrients, gases, and other small components are transported through this space. This is facilitated by the selectively permeable cell membrane which helps regulate the passage of materials.
The blood plasma, a primary component of the extracellular fluid, transports a variety of materials like blood cells, electrolytes, nutrients, and waste. Hence, it plays a crucial role in the exchange process. The Interstitial Fluid (IF) is another vital player in the process, acting as an intermediary space through which substances are exchanged between blood and intracellular fluid.
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The law of segregation tells us that the rearrangement of chromosomes into gametes is _________.
Answer;
The law of segregation tells us that the rearrangement of chromosomes into gametes is independent.
Explanation;
It states that the alleles of one gene sort into gametes independently of the alleles of another gene
That is, during the production of gametes the two copies of each hereditary factor segregate so that offspring acquire one factor from each parent.
Where in the cell are the different types of RNA found?
The three main types of RNA—mRNA, rRNA, and tRNA—are found in specific cellular locations: mRNA in the cytoplasm , rRNA in ribosomes in the cytoplasm and on the endoplasmic reticulum, and tRNA in the cytoplasm aiding in protein synthesis.
Each of these RNAs is found in specific locations within the cell:
mRNA: After transcription, mRNA is synthesized in the nucleus and then transported to the cytoplasm. There, it carries genetic instructions from DNA to the ribosomes, where protein synthesis occurs.rRNA: This type of RNA is a key component of ribosomes, which can either be free-floating in the cytoplasm or attached to the endoplasmic reticulum. rRNA helps form the structure of ribosomes and participates in protein synthesis.tRNA: Located primarily in the cytoplasm, tRNA is responsible for translating the genetic code into a sequence of amino acids during protein synthesis. It carries amino acids to the ribosome to be added to the growing polypeptide chain.Plants that have nitrogen-fixing bacteria in their roots are called _____.
When scientists classify living things, they do not include viruses. This is because viruses
A) cause disease.
B) do not contain DNA.
C) are not made of one or more cells.
D) are much smaller than other organisms.
the answer is:
C. are not made of one or more cells.What happens if one part of an ecosystem is damaged or destroyed?
Vasomotion because of changes in ph or co2 levels would be a result of __________?
The amygdala is most involved in the processing of ________ memory
A botanist measures a plant's growth at 3cm over a two week period the information she gathers is called
It would be quantitative data
A(n) _____ is a cell that specializes in receiving and transmitting information
a. corpus callosum
b. dendrite
c. neuron
d. axon
What was the first space telescope built by NASA?
A) Hubble Space Telescope
B) James Webb Space Telescope
C) Chandra X-ray Observatory
D) Compton Gamma-Ray Observatory
Answer:
B
Explanation:
1. Leaves of a plant manage water movement in and out of the plant using _____.
guard cells
stomata
cuticle
all of the above
2. Ferns have roots, stems, and leaves just like seed plants. Why are they classified separately?
Their leaves are compound and feathery.
They produce cones to reproduce.
Their roots are only shallow rhizomes.
They produce spores instead of seeds.
3. The first plants to grow in new environments are usually ____.
ferns and horsetails
grasses
liverworts and mosses
mosses and ferns,
1- Transportation of water in and out of leaf cells is controlled by stomata.
2- Ferns are classified in a different category because unlike plants they do not produce seeds. The reproduction is carried out by spores in ferns.
3- The earliest plants on earth were spores producing plants which includes ferns and mosses.
Hyperpolarization means that the ________. membrane potential becomes slightly more negative than the resting potential membrane potential becomes slightly more positive than the resting potential potassium gates open sodium gates open
Answer:
Option A, membrane potential becomes slightly more negative than the resting potential
Explanation:
Hyper polarization is just opposite of depolarization. In depolarization, the membrane potential becomes slightly positive than the resting potential while in Hyper polarization the membrane potential becomes slightly more negative than the resting potential.
The v Na+/K+ pump moves the ion against the concentration gradient through the non-gated channels thereby causing the membrane potential more negative.
Hyperpolarization means that the membrane potential becomes slightly more negative than the resting potential.
Explanation:Hyperpolarization means that the membrane potential becomes slightly more negative than the resting potential.
This is due to an excessive efflux of potassium ions or an influx of chloride ions causing the inside of the cell to become more negative compared to the outside. It is an important mechanism in neuronal signaling and helps regulate the generation of action potentials.Learn more about Hyperpolarization here:https://brainly.com/question/33440884
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Most of the lymph returns to the venous circulation by way of the ______.
Some parasitic leeches are attracted by warmth. what type of host would you expect such leeches to have, and what would be the adaptive advantage of this attraction