Which of the following pairs of plants are rhizomes?
A. Cocoyam and Cassava
B. Canna lily and ginger
C. Onion and Garlic
D. Banana and plantain​

Answer:

a. Decrease water reabsorption : decrease blood pressure.

b. Decrease peripheral resistance : decrease blood pressure

c. Vasodilation : decrease blood pressure

d. Decrease salt intake : decrease blood pressure

e. Decrease blood volume : decrease blood pressure

f. Vasoconstriction : increase blood pressure

g. Increase peripheral resistance:  increase blood pressure

h. Increase salt intake:  increase blood pressure

i. Increase blood volume : increase blood pressure

j. Increase water reabsorption: increase blood pressure

Explanation:

Answer:

These are single-celled MESOKARYOTES constituting the phylum DINOFLAGELLATA

Explanation:

Their populations are distributed depending on sea surface temperature,e.t.c.

Hope it helps.

• They are basically unicellular, motile, biflagellate and photosynthetic protists. Predominate colour is golden brown but yellow, green, red and even blue also exists.Some Dinoflagellates like Gymnodinium and Gonyaulax grow in large number in the sea and make the water look red and cause the so called “red tide”.

Answer:

A

Explanation:

I believe the answer is A because Ventricular Fibrillation means the heart is beating irregularrly, and too fast. Sometimes up to 500bpm

There is no coordinated contraction of the heart, death is possible in minutes. Therefore option B is correct.

Ventricular fibrillation (VF) is a life-threatening cardiac arrhythmia characterized by chaotic electrical activity in the ventricles, the heart's lower chambers.

During VF, the heart loses its ability to pump blood effectively, leading to a lack of blood flow to vital organs.

Without immediate intervention, such as defibrillation to restore a normal heart rhythm, the condition can rapidly progress to cardiac arrest and cause death within minutes.

Unlike tachycardia (A) or bradycardia (D), which involve abnormal heart rates, VF is a more severe and critical situation with disorganized electrical signals and ineffective pumping, requiring urgent medical attention.

Therefore option B There is no coordinated contraction of the heart, death is possible in minutes. is correct.

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Answer:

Answer Expert Verified

The correct statements are: - Elements are made up of only one type of atom. - Each element has a unique chemical symbol. - Elements can be identified by their atomic number.

Answer:

the front  lobes are involved in motor function, problem solving,spontaneity,memory,language,initiation,judgement,impulse control,and social behaviour..

Explanation: particulary, an injury of the frontal lobecould leads to deficits in executive function such as anticipation , goal selection, planning and self correction

I HOPE IT MIGHT HELPS

Answer:

All forms of pollution pose a serious threat to biodiversity, but in particular nutrient loading, primarily of nitrogen and phosphorus, which is a major and increasing cause of biodiversity loss and ecosystem dysfunction. ... In addition, nitrogen compounds can lead to eutrophication of ecosystems.

Answer and Explanation:

Dolphins are homodont. This means that all their teeth are all equal. They do not differentiate between each other as the human´s teeth or other mammal´s teeth.

Dolphins have different feeding strategies according to the species. They might be suction feeders, or they might catch their prey using the jow and mandible occlusion strenth.

Dolphins that catch their prey by using their jow and mandible do not chew, so they use teeth mostly to catch their prey and manipulate them before swallowing them. This is why they do not need differentiated teeth. Because they just use them to catch and manipulate.

Those dolphin species that are suction feeders do not need teeth to catch their prey because they just suck them. Most of these species only have a few teeth, mostly in their jows. These teeth are used for fighting with other individuals. Inter- and intra-specific fights among animals of the same gender and age are very common. It is believed that as these species do not need teeth for catching their prey, they evolved loosing most of them but those needed during confrontations. This is the case of Grampus griseus, Risso´s Dolphin, that only have 5 to 7 teeth in their jows.

Answer:

absorbs water is a function of the integumentary system. hope it help you.

A function of the integumentary system is to grow new tissues. Thus, the correct option B.

The integumentary system may be defined as a unique type of system that primarily consists of the skin, hair, nails, and exocrine glands. It is the set of organs that construct an outermost layer of an animal or human body.

The integumentary system plays a significant role in the growth of new tissues within the body. The cells of the skin generally hold the mechanism of renewal or replacement of injured or damaged cells which are present on the epidermis part of a specific organ.

The integumentary system also protects the body from infections, and injuries provide defense against pathogens, etc.

Therefore, a function of the integumentary system is to grow new tissues. Thus, the correct option B.

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Answer:

D. The methyl group of acetyl CoA becomes radio-labeled

Explanation:

During the steps in glycolysis, the carbon at position 1, becomes C-1 in dihydroxyacetone phosphate during the cleavage of fructose-1,6-bisphosphate to dihydroxyacetone phosphate and glyceraldehyde-3-phosphate. Subsequently on isomerization of dihydroxyacetone phosphate to glyceraldehyde-3-phosphate, C-1 of dihydroxyacetone phosphate becomes C-3 of glyceraldehyde-3-phosphate.

Furthermore, in pyruvate, the end product of glycolysis, C-3 is converted to a methyl group which then becomes the methyl group in the acetyl-CoA molecule produced from the oxidative decarboxylation of pyruvate.

Since the radioactive 14-C of radio-labeled glucose occupies position 1, it will become the methyl group of acetyl-CoA.

Answer:

By continuolsly monitoring its internal conditions

Explanation:

Answer:

uaa

Explanation:

An anticodon is a trinucleotide sequence localized in the transport RNA (tRNA) that binds via complementary base pairing to the codon in the messenger RNA (mRNA) during protein synthesis (translation). Thus, the tRNA anticodon binds with its complementary three-letter mRNA codon during translation in order to add a specific amino acid to the growing protein. Generally, the anticodon sequence positions 34–36-nt of the tRNA that reads its cognate mRNA codon sequence via Watson–Crick base pairing.

Answer:

Volcanic eruptions are events that take place inside Earth’s GEOSPHERE. When they occur on land, they spew tremendous amounts of gas, releasing matter into the ATMOSPHERE. The hot, flowing lava also disrupts the BIOSPHERE by destroying any vegetation and animals in its path.

Explanation: I was taking the test and got it right so I thought I could help anyone who needs it

Answer:

Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its DNA is surrounded by a membrane), and has other membrane-bound organelles that allow for compartmentalization of functions.

Explanation:

Hope this helps ;)

Answer:

During intense exercise:

lung capacity increases

vital capacity increases

respiratory capacity increases

functional residual capacity increases

tidal volume increases

the inspiratory and expiratory reserve volumes decrease as does the residual volume.

Explanation:

Residual volumes decrease because having better lung capacity, better development of the secondary skeletal muscles that collaborate in expiration and inspiration, these are given in a better way, and more effectively.

If these processes take place more efficiently, their potentiality increases and expiration and inspiration move a large current of air into the lungs, thus leaving less reserve airs.

Those people who have increased exhalation or inspiration reserve, have a weak activity of the musculature in the processes and function as "stagnant air" which is synonymous with a lack of physical activity or aerobic capacity.

It is important to clarify that all the above processes are accompanied by an increase in the size of the chest cage

Answer:

A possible scenario would be many rusty pipes with abundant soil in an abandoned area or house.

The probable microorganism would be clostritium tetani, which causes tetanus disease.

This clostridium is eliminated once the oxidized surfaces are exterilized, eliminated and cleaned with disinfectants.

In addition, it could be sprayed with disinfectant on the ground to kill the presence of possible spores of this bacterium.

Explanation:

Clostridium tetani is a bacterium that affects the central and peripheral nervous systems of humans.

Today there is a vaccine for this bacterium, which is called tetanus and is administered against a possible accident, surgical act or risk of having been inoculated with the bacteria.

The current tetanus vaccine has a longevity of 10 years in the human organism, once this period has passed, the booster should be given.

This bacterium coexists with other microorganisms in this environment with accumulations of soil and rust, which the most dangerous would be fungi (they trigger deep mycosis). An example of these fungi is: histoplasma capsulatum, responsible for generating histoplasmosis.

The scenario or situation including a site and some probable microbes present would be a controlled Laboratory.

The possible solution or analysis to that scenario in order to eliminate harmful microbes is fumigation.

Identification of microbes is critical in determining which microbial removal strategies will be used in a site.

The scenario or situation including a site and some probable microbes present would be a controlled Laboratory where microbes are isolated from the site via cultured methods. When carrying out microbial culture, the culture plates usually support the growth of a wide range of microorganisms. As a result, biochemical approaches may be used to distinguish one microbial population species from another. They may exist in various species of fungi, viruses, bacteria, protozoa, etc.

The elimination of microbes is dependant on the size of the area being analyzed. This is done by the application of formaldehyde to the area. Other methods include alcohol sterilization and heat sterilization for cleaning and sanitizing surfaces of the laboratory and equipment respectively.

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Answer:

they are axial muscles

Answer:

positive error and negative error.

Explanation:

There are two types of error which is possible when measuring of a length with the help of ruler. Positive error occurs if the calculated value is larger than actual value while negative error occurs when the calculated value is smaller than actual value. To avoid positive error, the increased value should be subtracted from calculated value while negative error can be corrected by adding the value with the reading.

Answer:

The answer is PARTICLE MODEL The person above ^^^ got the answer wrong, the correct answer really is Particle Model...

Thanks...

Answer:

Particle model

Explanation:

I am taking the test rnn

Flvs

Answer:

the body distributes more blood to the body surface where it can ... Changes in diameter affect peripheral resistance, pressure, and flow, which ... the aorta and carotid arteries: The aortic sinuses are found in the walls of the ... When blood pressure drops too low, the rate of baroreceptor firing decreases.

Explanation:

Answer:

a. Triose phosphate isomerase glycolysis

b. Glucose 6-phosphatase gluconeogenesis

c. Hexokinase  glycolysis & gluconeogenesis

d. Fructose I ,6-bisphosphatase gluconeogenesis

e. Phosphofructokinase glycolysis

f. Pyruvate kinase glycolysis

Explanation:

Triose phosphate isomerase is a protein that functions as an enzyme, and takes part in glycolysis, in the interconversion of dihydroxyacetone phosphate and D-glyceraldehyde 3-phosphate. Glucose 6-phosphatase is also a protein that works as an enzyme, it hydrolyzes glucose 6-phosphate given glucose free as a result. Hexokinase is a protein too, and is part of a wider group of enzymes. It forms hexose phosphate by phosphorylating hexoses (six-carbon sugars). Fructose I ,6-bisphosphatase is an enzyme too, and it tranforms fructose-1,6-bisphosphate into fructose 6-phosphate. Phosphofructokinase is an enzyme too, that works in changing a phosphoryl group from ATP to fructose-6-phosphate (F6P). Pyruvate kinase is an enzyme that catalyzes the conversion of ADP tp ATP and phosphoenolpyruvate to pyruvate.

Answer:

It directly affects

Explanation:

Bacteria are conditioned by external environmental factors such as partial pressure of oxygen, humidity, temperature, metabolites, radiation present, living with other types of colonies, partial pressures of carbon dioxide, etc.

The growth of a colony will always be better or worse as long as the ideal environmental conditions are met for that bacterium to nurture and develop widely.

In general, the ideal temperature is around 37 degrees for most bacteria, although it also depends a lot on the presence of the substrate they need to live and give their necessary metabolites.

Answer: a c g e

Explanation:

Answer:

Hard water is defined as the type of water that does not readily give a good lather with soap.

Mosquito net do not form easily lather with hard water because hard water is made up of magnesium and calcium ions which precipitate the soap and unable to form lather.

Answer: zap70, ITAM.

Explanation:

An antigen is any substance that is capable of stimulating an immune response by activating lymphocytes, which are the body’s infection-fighting white blood cells. Examples of antigens could be proteins that are part of bacteria or viruses or components of serum and red blood cells from other individuals, all of them are foreign antigens originated outside the body. However, there can also be autoantigens (which are self-antigens), originated within the body. In normal conditions, the body is able to distinguish self from nonself. And the antigens that represent a danger induces an immune response by stimulating the lymphocytes to produce antibody or to attack the antigen directly. This is called an antigenic stimulation of the immune system.

ZAP-70 (Zeta-chain-associated protein kinase 70) is a protein that is part of the T cell receptor, thereby it plays a critical role in T-cell signaling. When the TCR (receptor of T cells) is activated by the presentation of the specific antigen through the MHC, a protein called Lck acts to phosphorylate the intracellular CD3 chains and the ζ chains of the TCR complex, allowing the binding of the cytoplasmic tyrosine kinase, ZAP-70. Lck then phosphorylates and activates ZAP-70, which in turn phosphorylates another molecule in the signaling cascade called LAT (short for Linker of Activated T cells), a transmembrane protein that serves as an anchor site for several other proteins. The tyrosine phosphorylation cascade initiated by the Lck culminates in the intracellular mobilization of calcium ion (Ca2+) and the activation of important signaling cascades within the lymphocytes. These include the Ras-MEK-ERK pathway, which is based on activating certain transcription factors such as NFAT, NFκB and AP-1. These transcription factors regulate the production of of certain gene products, most notably cytokines such as interleukin-2 that promote the long-term proliferation and differentiation of activated lymphocytes.

The ITAM motifs (immunoreceptor tyrosine-based activation motif) are sequences of four amino acids present in the intracellular tails of certain proteins that serve as receptors within the immune system. Thus, some receptors such as the TCR have ITAM sequences that, when activated, trigger an intracellular reaction based on consecutive phosphorylations.  Kinases are recruited for this purpose.

So, ZAP-70 is a protein tyrosine kinase with a role in T-cell receptor signal transduction. During T-cell activation, ZAP-70 binds to ITAM and becomes tyrosine phosphorylated. The binding of ZAP-70 to the phosphorylated ITAM is able to activate its kinase activity, and relieves the inhibition of the transcription factor which regulates genes that are involved in the immune reaction.

Answer:

Explanation:

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Answer:

I would have to say D but I might be wrong.

Explanation:

Answer:

a. Reduced siRNA-mediated mRNA degradation

Explanation:

The TRBP (transactivation response element RNA-binding protein) is an RNA-binding protein that forms the Dicer complex, which is involved in epigenetic pathways such as those mediated by the RNA interference (RNAi) mechanism. RNAi is a key process where small non-coding RNAs such as, for example, small interfering RNAs (siRNAs) and microRNAs (miRNAs) can inhibit target gene expression at posttranscriptional level by different mechanisms (including the degradation of target mRNAs). A null mutation of this cofactor will alter the Dicer complex, thereby also affecting RNAi pathways mediated by small interfering RNAs.

Answer:

During Enzymatic reaction, enzymes binds to a substrate to form a which then forms the product.

Change in shape of substrate, product and enzymes depends on the temperature outside the optimal range which affect bonding between enzyme and substrate. Enzymes definitely changes their size when bind to substrat and the process is called induced fit which increases the rate of reaction.

During an enzymatic reaction, their is an decrease in the concentration of substrate, an increase in the concentration of product, and no change in the concentration of the enzyme.

A reaction, which is mediated with the help of an enzyme is termed as enzymatic reaction. A substance, which functions as a catalyst in living organisms and regulate the rate at which the chemical reactions takes place is known as an enzyme.

The enzymatic reactions follows the lock and key model, in which the free enzyme combines with the substrate and forms the enzyme-substrate complex, this is further catalyzed into the enzyme-product complex, from which the free enzyme and product get discharged. The product never further binds with the free enzyme.

In the reaction, the substrate get used up thus its concentration decreases, while the formation of product takes place thus its concentration increases. However, there is no change in the concentration of the enzyme as it does not get used up in the process.

Thus, in enzymatic reaction, substrate decreases, product increases, and enzyme concentration remains the same.

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Answer:

during inhalation, air travels from high atmospheric pressure to low intra pulmonary pressure