Answer:
Relaxing the smooth muscles in arteries would lower down the blood pressure.
Explanation:
Smooth muscles are present in lining of blood vessels. Relaxing the smooth muscles in arteries causes vasodilation, that is, the cavity of arteries is widened. Dilated arteries allow more blood to pass through them and lower down the blood pressure. Constriction of smooth muscles of arteries causes vasoconstriction and increases blood pressure.
Movement of dissolved substances in fluid from areas of high concentration to areas of low concentration
"an organism's phenotype is describing what about that organism"
Clear-cutting ________. restricts timber harvesting to mountaintops is harvesting trees from coastal areas only involves elimination of subsidies to farmers is a form of violent protest favored by radical environmental organizations removes all trees from an area
An experiment was run to examine the kinetics of an enzyme catalyzed reaction of compound a with enzyme e to produce product (p) and the enzyme. the reaction is:
What organ system is monetly responsible for generating behavior in multicellular animals?
Nervous system is the organ system that is mostly responsible for generating behavior in multicellular animals. The nervous system coordinates multicellular animal’s behavior and transmits signals within the body. Specific excitatory and inhibitory substances are produced by the nerve cells for them to interact with each other and certain chemicals, sound and light is detected by the sense organs such as ear and nose which control the behavior and movement of multi cellular animals in their environment.
____ is a hormone secreted by the pituitary gland that stimulates ovulation or testosterone secretion.
Suppose a non-native species of beetle was introduced into a forest. How would you know if the beetle was becoming an invasive species
Final answer:
To identify if a beetle is becoming an invasive species, look for rapid population growth, harm to the ecosystem, or outcompetition of native species. Citizen reports and early response are key for controlling the spread. Signs include damage to trees, die-offs, and reduced insect diversity.
Explanation:
To determine if a non-native beetle is becoming an invasive species in a forest, several indicators can be observed. An invasive species often has rapid population growth, outcompetes native species for resources, and causes harm to the environment, economy, or human health. Early detection and rapid response are crucial for controlling invasive species. When citizens like the individual in Chicago who noticed the Asian longhorned beetle become informed and proactive, they can significantly aid in the monitoring and control efforts by reporting sightings to appropriate authorities.
Common signs of an invasive beetle might include noticeable damage to tree bark, leaves, or fruit, due to feeding or breeding activities, a sudden die-off of native trees, or an absence of previous insect diversity due to the invasive beetle outcompeting native species. Effective strategies like engaging the public through education, consistent monitoring, and establishing an early warning system are vital for successful management and potentially eradicating an invasive species before it becomes too widespread.
"why is it difficult to grow bordetella pertussis in a laboratory"
It is difficult to grow bordetella pertussis in a laboratory because of its inability to grow on ordinary laboratory media such as nutrient agar or macconkey agar. The organism will only grow on specialized media supplemented with charcoal, blood (20%), potato (starch) in order to absorb toxic substances which can inhibit its growth in the agar.
BRAINLIESTTTT ASAP!!!
1. Which two particles are present in the nucleus of an atom?
Electrons and neutrons
Electrons and molecules
Protons and neutrons
Protons and electrons
2. Boron is to the immediate left of carbon in the same row in the periodic table. Which of the following statements compares the radius and pull exerted by the protons of boron and carbon atoms?
Boron has a smaller radius and the protons in carbon exert a greater pull.
Boron has a larger radius and the protons in carbon exert a greater pull.
Boron has a smaller radius and the protons in carbon exert less pull.
Boron has a larger radius and the protons in carbon exert less pull.
1. Protons and neutrons are present in the nucleus of an atom.
2. Boron has a smaller radius and the protons in carbon exert a greater pull.
The nucleus of an atom contains protons, which have a positive charge, and neutrons, which have no charge. Electrons, which have a negative charge, orbit around the nucleus in electron shells.
Boron is located to the left of carbon in the same row of the periodic table. As you move across a row from left to right, the atomic radius generally decreases. Therefore, boron has a smaller radius than carbon.
The protons in carbon exert a greater pull because the effective nuclear charge is higher due to the increased number of protons.
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All insertion sequences (is elements) contain two features that are essential for their movement. what are these two elements?
Insertion sequences (IS elements) are equipped with inverted repeats and a transposase enzyme, both critical for their ability to move within the genome.
All insertion sequences (IS elements) contain two essential features that are essential for their movement: inverted repeats and a transposase enzyme. The inverted repeats are short DNA sequences found at both ends of the IS element that are necessary for the transposase to recognize and cut the DNA for movement. The transposase is an enzyme encoded by the IS element itself that catalyzes the excision and integration of the IS element into a new location within the genome.
How many megawatt hours (MWh) per year of savings did the students identify for computers at the Penn State Mueller Laboratory Building?
There are 30-megawatt hours (MWh) per year of savings the students had identified for computers at the Penn State Mueller Laboratory Building. At Pennsylvania State University, an undergraduate class studied an environmental evaluation in one of their laboratory buildings in biology. They want to answer the question, "How is this building like an ecosystem?" Their evaluation result was a report that contains 52-page noting ways to lessen the Mueller Laboratory Building’s environmental footprint in terms of water, energy communications, maintenance, renovation, and food usage. The students establish techniques to save an almost $45,500 yearly in the energy cost alone for a building with 123 scientists and backing staff.
Which of the following characteristics do all plants have in common? A. unicellular, prokaryotic, heterotrophic B. unicellular, eukaryotic, photosynthetic C. multicellular, prokaryotic, heterotrophic D. multicellular, eukaryotic, photosynthetic
Answer:
D. multicellular, eukaryotic, photosynthetic
Explanation:
I took the test and got it right
The characteristics that all plants have in common are they are multicellular, eukaryotic, and photosynthetic. Therefore, the correct option is D.
What are eukaryotic organisms?Eukaryotic organisms are the organisms which are multicellular and have a well-defined nucleus and other organelles.
Plants are multicellular organisms and are eukaryotic with well-defined membrane bound organisms. They are photosynthetic in nature, which means that they carry out the process of photosynthesis, which is the conversion of solar light to chemical energy for the production of glucose.
They are present under the kingdom Plantae which have cell wall made up of cellulose. They also have chloroplasts, which are centers of photosynthesis. They have specialized reproductive organs to carry out reproduction. Therefore, the correct option is D.
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Which of the following statements best proves that the law of conservation of mass is obeyed during photosynthesis?
A: The starting total number of oxygen atoms in carbon dioxide is equal to the ending total number of oxygen atoms in glucose.
B: The starting total number of oxygen atoms in carbon dioxide gas is equal to the ending total number of oxygen atoms in glucose and oxygen.
C: The total mass of glucose and oxygen formed from photosynthesis is equal to the total mass of carbon dioxide and water used up during the reaction.
D: The total mass of glucose and carbon dioxide formed from photosynthesis is equal to the total mass of oxygen and water used up during the reaction.
The answer is: C. The total mass of glucose and oxygen formed from photosynthesis is equal to the total mass of carbon dioxide and water used up during the reaction.
The law of conservation of mass states that in a closed system, the total mass of the reactants must be equal to the total mass of the products formed during a chemical reaction. This principle applies to the process of photosynthesis, which involves the conversion of carbon dioxide and water into glucose and oxygen.During photosynthesis, carbon dioxide and water molecules are the reactants, and glucose and oxygen molecules are the products. According to the law of conservation of mass, the total mass of the products (glucose and oxygen) formed must be equal to the total mass of the reactants (carbon dioxide and water) consumed.Option C correctly states this principle, indicating that the total mass of glucose and oxygen formed from photosynthesis is equal to the total mass of carbon dioxide and water used up during the reaction. This statement directly reflects the law of conservation of mass, ensuring that the total mass remains constant before and after the photosynthetic process.The other options either do not consider the masses of all reactants and products or incorrectly pair the masses of different substances, violating the law of conservation of mass.
What is the mortality rate of sickle cell anemia in the africa?
Ovulation occurs in the ovary, forming the corpus luteum at the end of this phase. ovulation results in the release of an ovum from the ovary. the remaining follicle becomes a corpus luteum at the end of which uterine phase?
The luteal phase is one of the phases of ovarian cycle (follicular phase and ovulation are the other two). It is the final phase of the ovarian cycle and it corresponds to the secretory phase of the uterine cycle. During this phase, the transformation of the dominant follicle into the corpus luteum is stimulated by pituitary hormones FSH and LH. Corpus luteum produces progesterone which makes the endometrium receptive to implantation of the blastocyst.
If "quercus" is the genus name and "rubrus" is the species name for a red oak tree, which is the most correct written form of the red oak tree's scientific name?
Using binomial nomenclature, a red oak tree's scientific name should be written as 'Quercus rubrus.' The genus name is capitalized, and the species name is all in lowercase. Both names are typically italicized.
Explanation:In biology, when writing scientific names for organisms, the naming follows the binomial nomenclature format. This involves writing the genus name first followed by the species name. The correct written form, therefore, of the scientific name for a red oak tree would be Quercus rubrus. The genus name starts with a capital letter, the species name should be in lowercase and the whole name should be written in italics.
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Blood rich in oxygen and nutrients are transported from the placenta to the fetus by the
Where are barbules and pinnae connected to the feathers ?
List two ways that bacteria can produce illness
Bees visiting flowers to harvest pollen and carrying some to pollinate other plants would be considered an example of _____. see section 52.1 (page 1093) .
The fundamental excitable cell in the nervous system is the _____. see concept 49.1 (page 1084)
Neuron
Neuron can be defined as excitable cell that usually carries, processes and transmit impulses or electrical signals. Thus, they are known to be basic unit of the nervous system which includes the spinal cord and brain. However, the signals between s neurons occur via certain connections called synapses.
The fundamental excitable cell in the nervous system is the neuron. Neurons transmit electrical signals, called action potentials, to convey information and produce movements in response to stimuli. They are also involved in thought processes within the brain.
Explanation:The fundamental excitable cell in the nervous system is the neuron. Neurons are responsible for transmitting electrical signals, called action potentials, that convey information and produce movements in response to stimuli. They also play a crucial role in thought processes within the brain.
Neurons, the fundamental units of the nervous system, feature a cell body (soma), dendrites for receiving signals, and an axon for transmitting signals to other neurons or cells. Axon terminals release neurotransmitters, facilitating communication at synapses. Neurons exhibit electrochemical signaling, enabling the transmission of information throughout the nervous system, vital for cognition and behavior.
Is drinking a beer with double abv like drinking two?
When human-trafficking victims are children forced to work without pay, it is considered _____.
smuggling
severe
forced labor
sex tourism
Answer:
The answer is option B.
Explanation:
Components of human trafficking. With the end goal of misuse, which incorporates abusing the prostitution of others, sexual abuse, constrained work, bondage or comparative practices and the expulsion of organs.The United Nations characterizes human trafficking as the enrollment, transportation, exchange, harboring, or receipt of people by inappropriate means, for example, drive, snatching, extortion, or pressure for an ill-advised reason including constrained work or sexual misuse.
Prokaryotes whose cell walls do not contain peptidoglycan domain
When animal cells are grown in a petri dish, they typically stop dividing once they have formed a single, unbroken layer on the bottom of the dish. this arrest of division is an example of __________ mitosis s phase. density-dependent inhibition. lack of nutrients?
Structure within a cell that direct with type of protein make
chromosomal mutation definition
Answer:
Chromosomal mutation is the change in the structure or number of chromosome.
Explanation:
Chromosomal mutation simply refers to a change in the structure of chromosomes.
The structure of chromosome changes as a result of deletion, duplication, inversion or translocation.
Deletion refers to the loss of certain segments of the chromosome.
Duplication of segments of the chromosome leads to repetition of some genes.
Inversion is the change in the order of genes on a chromosome.
Translocation involves the insertion of chromosomal segments into a non-homologous chromosome.
Chromosome number can change as a result of non-disjunction during meiosis. This may result in aneuploidic or polyploidic chromosomal conditions
How does climate affect the nature and location of tropical rainforests?
Dams allow a rivers natural power to be converted into useful what
Metastasis is the term used to describe the cancer cell's ability to