Answer:
1). The oleander, also known as laurel of flower or trinitaria, is a shrub plant (of Mediterranean origin and therefore, resistant to droughts) with intensely green leaves and whose leaves, flowers, stems, branches and seeds are all highly poisonous, hence it is also known as "the most poisonous plant in the world".
2). The Dendrocnide Moroides is known as "the world's most dangerous plant," with even morphine rendered ineffective against its venom, Nature reports. The shrub has numerous names including the Gympie Gympie, Stinging Bush, Queensland Stinger and the Giant Australian Stinging Tree.
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The most dangerous plant known by man kind is The Dendrocnide Moroides.
The free-floating ribosomes synthesize proteins to be exported outside the cells.
True
False
A genetic disease is found in a family that affects the immune system, lungs, heart, and kidneys. A DNA analysis of several affected and unaffected family members determines that the disease is caused by a mutation in a single gene. What type of inheritance pattern is shown in this disease?(1 point)
polygenic trait
codominance
incomplete dominance
pleiotropy
Answer:
D.) pleiotropy
Explanation: Just took the quiz.
Pleiotropy arises when one gene affects two or more seemingly unrelated phenotypes. A pleiotropic gene expresses many phenotypes. Therefore, option (D) is correct.
What is Pleiotropy?
When one gene influences two or more phenotypic qualities that do not appear to be related to one another, this phenomenon is known as pleiotropy. A gene is said to be pleiotropic if it can exhibit many phenotypic expressions in a single organism.
Phenylketonuria is a condition that serves as a straightforward illustration of a pleiotropy. A slow metabolism of the amino acid phenylalanine in the cells of the body is the root cause of this hereditary condition, which causes phenylketonuria.
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what is the material salad spinner
Answer: its made of plastic
Explanation:
Answer:
salad spinners are usually made from plastic
what happens before RNA polymerase begins to work
If a mutation occurs during the dna replication process of an intestinal cell undergoing mitosis then predict the most likely outcome
ANSWER ASAP!
Discuss the unique properties of water. (Polar, Hydrogen bonds, Cohesion, Adhesion)
Answer:
Water has cohesive and adhesive properties.
Water molecules have strong cohesive forces due to their ability to form hydrogen bonds with one another. Cohesive forces are responsible for surface tension, the tendency of a liquid's surface to resist rupture when placed under tension or stress.
Adhesion and cohesion are important water properties that affects how water works everywhere, from plant leaves to your own body. ... Cohesion: Water is attracted to water, and Adhesion: Water is attracted to other substances.
Answer & Explanation:
The difference in electronegativity between oxygen and hydrogen atoms creates partial negative and positive charges, respectively, on the atoms.
Water molecules attract or are attracted to other polar molecules.
Molecules that do not dissolve in water are known as hydrophobic (water fearing) molecules.
Because of its extensive hydrogen bonding, water (H2O) is liquid over a far greater range of temperatures that would be expected for a molecule of its size. Water is also a good solvent for ionic compounds and many others because it readily forms hydrogen bonds with the solute.
Cohesion holds hydrogen bonds together to create surface tension on water.
Since water is attracted to other molecules, adhesive forces pull the water toward other molecules.
Water is transported in plants through both cohesive and adhesive forces; these forces pull water and the dissolved minerals from the roots to the leaves and other parts of the plant.
Key Terms:
hydrogen bonds: A weak bond between two molecules resulting from an electrostatic attraction between a proton in one molecule and an electronegative atom in the other.
adhesion: The ability of a substance to stick to an unlike substance; attraction between unlike molecules
cohesion: Various intermolecular forces that hold solids and liquids together; attraction between like molecules
hydrophilic: having an affinity for water; able to absorb, or be wetted by water
hydrophobic: lacking an affinity for water; unable to absorb, or be wetted by water
polarity: The intermolecular forces between the slightly positively-charged end of one molecule to the negative end of another or the same molecule.
The term that describes when an enzyme loses shape and function.
Answer:
Denature
Explanation:
Denature
Answer:
A substance that speeds up a chemical reaction—without being a reactant—is called a catalyst. The catalysts for biochemical reactions that happen in living organisms are called enzymes. Enzymes are usually proteins, though some ribonucleic acid (RNA) molecules act as enzymes too.
ExplanatioEnzymes perform the critical task of lowering a reaction's activation energy—that is, the amount of energy that must be put in for the reaction to begin. Enzymes work by binding to reactant molecules and holding them in such a way that the chemical bond-breaking and bond-forming processes take place more readily.
Reaction coordinate diagram showing the course of a reaction with and without a catalyst. With the catalyst, the activation energy is lower than without. However, the catalyst does not change the ∆G for the reaction.
Active sites and substrate specificity
To catalyze a reaction, an enzyme will grab on (bind) to one or more reactant molecules. These molecules are the enzyme's substrates.
In some reactions, one substrate is broken down into multiple products. In others, two substrates come together to create one larger molecule or to swap pieces. In fact, whatever type of biological reaction you can think of, there is probably an enzyme to speed it up!
The part of the enzyme where the substrate binds is called the active site (since that’s where the catalytic “action” happens
why is dna ligase important for a cell? select all that apply.
Answer:
DNA ligases play an essential role in maintaining genomic integrity by joining breaks in the phosphodiester backbone of DNA.
Explanation:
That's why their important but you didn't list any suggestions so I don't know the exact answer choices but that would've answered the question by itself.
Describe the concentration of glucose both inside and outside of the cell
Answer:
glucose inside the cell is greater than outside the cell
Explanation:
this usually because of tge life processes in living organisms such as feeding.
a typical eukaryotic cell has enough available atp to meet its needs for about 30 seconds. what is likely to happen to an individual when they exhaust their atp supply?
Eukaryotic cells rely on the molecular energy of ATP to sustain all of the reactions necessary to maintain life, in the absence of ATP, these reactions would come to a halt, and the cell would inevitably die.
ATP is a molecular compound that provides the energy needed by most cells to survive. ATP represents Adenosine triphosphate, which is an organic compound that provides energy to drive the essential metabolic reactions of living cells, such as:
Muscle contractionsNerve impulsesChemical synthesisNutrient absorbtionIn the situation in which a cell was to run out of ATP, these reactions would stop, given that they require ATP to function. This means that the cell would not be able to send or receive nerve signals, absorb the nutrients it needs, or even create necessary compounds such as proteins. The stoppage of these functions would lead to the death of the cell.
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A competitive inhibitor of DNA helicase was introduced into a cell. How would the introduction of this inhibitor affect DNA replication?
A) There would not be enough energy to drive the DNA replication process
B) Free nucleotides would be unable to join complementary base pairs.
C) Nucleotides would be unable to join together by condensation reaction to form a polynucleotide.
D) Some of the DNA would be unable to separate into two strands.
Answer:
Some of the DNA would be unable to separate into two strands.
Explanation:
It will effect as some DNA would be unable to separate into two strands.
what’s the correct answer?
bio
Answer:
It is a type of homogenous mixture.
Explanation:
Which biomolecule is structurally important to the cell membrane as it comprises the bilayer?
what is the primary function of cellular respiration?
This question is about the nervous system.
Describe the function of receptors in the skin.
Answer:
The skin possesses many sensory receptors in the epidermis, dermis, and hypodermis, which allows for discrimination of touch such as pressure differences (light vs. deep). Other qualities of the external world assessed by skin sensory receptors includes temperature, pain, and itch.
Explanation:
Answer:
What is the function of the receptors in the skin?
The skin possesses many sensory receptors in the epidermis, dermis, and hypodermis, which allows for discrimination of touch such as pressure differences (light vs. deep). Other qualities of the external world assessed by skin sensory receptors includes temperature, pain, and itch.
hope this helped
Explanation:
bre Give 5 examples of chemical reactions which take place in the cell. Describe how glucose is converted in plants and animals What is a fat molecule made out of • ? What is an amino acid made out of? Which organ is responsible for the production of urea? hallenge • Write a word equation for the respiration reaction What structure is needed when products are made or broken up? Why is it important that glucose is stored as starch or glycogen? . Explain how our bodies use protein. What are the differences between the liver and the kidneys? dler Draw a flow chart for the production of action of the liver and kidneys. Write a balanced symbol equation for respiration The article states that cellulose is a natural polymer. What is a polymer? Hormones are mentioned within the article? What is the definition of a hormone
Answer:
Question: What is an amino acid made out of?
Ans: Amino acids are organic compounds made of nitrogen, carbon, hydrogen and oxygen, along
1. How can studying compounds in plants and animals benefit people? Give an example of how a compound found in a plant has been used to benefit humans.
2. What is meant when describing water as a polar compound?
Please answer what the question is asking exactly many points will be given.
Answer:
It is beneficial to study plant and animal compounds for a multitude of reasons such as Sanitation, Bacterial fighting, and many more. An example of a plant compound that has benefited humanity would be penicillin which is derived from plants, it is considered the first true antibiotic.
Explanation:
Before 1928, humanity had conquered most of its enemies and people were only limited in lifespan by internal mechanisms being disrupted or failing, such as cancer, genetic errors,viruses, and BACTERIA. But in 1928 by accident a scientist discovered penicillin and finally deaths by bacteria were dropping to the point where in the past a mere cut could mean death by bacterial infection when compared to the present, humanity now doesn’t even consider bacterial infection, and that is all due to the power of penicillin and other antibiotics.
Water is a polar compound because there is a positive hydrogen end and a negative oxygen end, this is caused by an uneven electron distribution
A map of eastern North America, showing the pH of rainfall in the various states, indicates that the pH of rain in New York State varies from 4.22 to 4.40. According to these figures, the most acidic rainfall in New York has a pH of
Answer:
4.22
Explanation:
The lower the number, the more acidic.
please help me.
thank you in advance
Answer:
At the edge of tectonic plates
Explanation:
An earthquake is typically caused by the collisions of tectonic plates, so they are more common at the plates' edges.
what is occurring during the s phase of the cell cycle?
This center part is not present in everyone's hair or may be broken into segments.
a
Medulla
b
Cortex
c
Cuticle
d
Keratin
Answer:
C. Cuticle
Explanation:
Cuticle is the correct answer for this question
what by-product of anaerobic respiration makes this possible
Answer:
The end products of anaerobic respiration are Lactic acid or ethanol and ATP molecules. Anaerobic respiration takes place in the absence of oxygen and is seen in lower animals. During the process of Anaerobic Respiration in prokaryotes, there is a breakdown of glucose to produce energy for cellular activities.
Explanation:
rank up
select all that would have the least impact on the rate of aerobic respiration?
Answer: In this lesson, we'll explore how different conditions affect the rate of cellular respiration in cells. We'll first review what cellular respiration is, and then explore how three factors affect it: temperature, glucose availability, and oxygen concentration.
Explanation: Hope this helps.
why are they assuming the large molecules will stay on their own side of the membrane?
Answer:
What is osmosis? Why are they assuming the large molecules will stay on their own side of the membrane? The membrane is semipermeable, so the membrane only allows some molecules through and not others. In this case, it doesn't allow the large molecules through.
Explanation:
Hope It Helps
It is assumed that the large molecules will stay on their own side of the cell membrane because the membrane is semipermeable which only allows the passage of some molecules in and out of the membrane.
What is a Cell membrane?A cell membrane may be defined as a type of biological membrane that significantly separates and protects the inner environment of all cells from the outside environment. It is semi-permeable in nature.
The cell membrane consists of a lipid bilayer that is semi-permeable. The cell membrane regulates the transport of materials entering and exiting the cell.
The ability of a molecule to travel across a membrane depends on its concentration, charge, and size. In general, molecules diffuse across membranes from areas of high concentration to low concentration. Cell membranes prevent charged molecules from entering the cell unless the cell maintains an electrical potential.
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Motor commands are carried by __________ from the brain along the spinal cord.
Answer:
descending tracts
Explanation:
Answer:
Descending tracts
Explanation:
"The descending tract is the pathway that the motor neurons take to reach the lower motor neurons that provide the nervous tissue needed for muscle movement."
Hope this Helps
Which organisms are heterotrophs?
photosynthesizers
producers
consumers
plants
Answer:
consumers
Explanation:
Heterotrophs don't make their food.
Answer:
it's C
Explanation:
got 100 on edge
how does an electron transport chain lead to the generation of atp in the light-dependent reactions of photosynthesis?
Answer: How does an electron transport chain lead to the generation of ATP in the light-dependent reactions of photosynthesis? ... The electron transport chain directly absorbs light energy and transforms it into the chemical energy of ATP.
Explanation:
which type of rna is involved in protein synthesis
Which of the following is a way that minerals are used?
a industry
b. construction
c. technology
d. all of the above
Please select the best answer from the choices provided
Ο Α
OB
Ос
OD
Answer:
Your answer is all of the above, D.
Explanation:
All of the above are ways that minerals are used.
The ways by which minerals are used are as follows:
industryconstructiontechnologyWHAT ARE MINERALS?Minerals are naturally occurring substances with a definite chemical composition.
Minerals are got from the Earth crust and they include;
iron oreGoldSilverCrude oilThese minerals are used in various ways by industries, construction companies and technology etc.
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what is the first link in the pediatric cardiac chain of survival
Answer: The first link in the Pediatric Chain of Survival is the prevention of injuries, accidents, and trauma that could lead to cardiac arrest.
Explanation: found online.
