Answers
Related Questions
Is enzyme activity a form of cell regulation
Answers
Enzymes can be regulated by other molecules that either increase or reduce their activity. Molecules that increase the activity of an enzyme are called activators, while molecules that decrease the activity of an enzyme are called inhibitors.
R-organisms reproduce at a very high rate. Knowing this, why don’t they usually reach their carrying capacity? a. They live in environments with many predators that feed on them. b. They are regularly killed off by disease and/or drought. c. Their life span is too short. d. a and b only Please select the best answer from the choices provided A B C D
Answers
Answer:
D: a and b only
Explanation:
Answer:
its D "a and b only"
Explanation:
i just took the test on edg
Black mangrove trees are a keystone species in a mangrove swamp. What are two characteristics of the niche of the black mangrove tree that make this species so important within the swamp? (2 points)
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Salt tolerance: Black mangrove trees are able to tolerate and even excrete salt, which allows them to grow in areas with high salinity, such as coastal mangrove swamps. This ability to thrive in saltwater creates a unique microhabitat that supports a diverse range of other species that are adapted to this environment.
Root system: Black mangrove trees have a unique root system that includes aerial roots called pneumatophores. These roots protrude above the mud and into the air, allowing the tree to absorb oxygen even when the tide is high and the ground is saturated. The roots also trap sediment and organic matter, which builds up over time and creates a stable substrate for other organisms to attach to and live on. This stabilizing effect helps to prevent erosion and maintain the structure of the mangrove swamp ecosystem
which cell organelles composed of a series of channels throughout the cytoplasm that functions in thranport of molecules
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The cell organelles composed of a series of channels throughout the cytoplasm that function in the transport of molecules are called the endoplasmic reticulum (ER).
The ER is an extensive network of membranous tubules and sacs that are interconnected, forming a complex structure within the cytoplasm of eukaryotic cells.There are two types of endoplasmic reticulum: the rough endoplasmic reticulum (RER) and the smooth endoplasmic reticulum (SER). The RER is characterized by the presence of ribosomes on its surface, giving it a rough appearance. These ribosomes are involved in protein synthesis, and as the newly synthesized proteins enter the lumen of the RER, they are transported through the ER channels.The SER, on the other hand, lacks ribosomes and appears smooth. It plays a role in various cellular processes, including lipid metabolism, detoxification of drugs and toxins, and the storage and release of calcium ions.Both the RER and SER are involved in the transport of molecules within the cell. They provide a large surface area for the synthesis, modification, and transport of proteins and lipids. The channels and membranes of the ER allow for the efficient movement of molecules, including proteins, lipids, and ions, throughout the cytoplasm and to other cellular compartments.
In summary, the endoplasmic reticulum is the cell organelle composed of a series of channels throughout the cytoplasm that facilitates the transport of molecules, enabling the efficient distribution of proteins, lipids, and other substances within the cell.
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Describe one change in human anatomy that allowed speech, as well as one cost of this change
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The descent of the tongue into the pharynx was the anatomical change which allowed speech.
What is Anatomy?This branch of science deals with the body structure of organisms and humans in general.
The descent of the tongue into the pharynx ensured that there are motor gestures which form a potentially infinite number of words and sentences.
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What can be done to help prevent erosion on a building site
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Answer:
use of barriers like earth walls, soil nails, riprap, turbidity barriers, and concrete blocks
Answer:
the use of barriers like earth walls, soil nails, riprap, turbidity barriers, and concrete blocks
Explanation:
multicellular organisms are composed of a variety of living structures that are formed when cells differentiate. how could the living structure pictured below be classified?
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The smallest unit in biology that is capable of independent living and that comprises all living things as well as the body's tissues is cell.
Membrane, nucleus, cytoplasm - cell's basic structural parts. The membrane, which encloses the cell, regulates the molecules that enter and exit the cell. After examining a piece of cork under a very early microscope, Robert Hooke proposed the name "cell" in 1665, derived from the Latin cella, which means "storeroom or chamber." Furthermore, it is reported that he compared the rectangular spaces to some monastic cells.
The complete question is:
Multicellular organisms are composed of a variety of living structures that are formed when cells differentiate. How could the living structure pictured below be classified?
A.cell
B.organ
C.organ system
D.tissue
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The horizontal line at zero represents a baseline average temperature. From what years is this
baseline temperature calculated?
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The years used to calculate the baseline average temperature can vary depending on the specific dataset being analyzed. However, the most commonly used baseline period for global temperature anomalies in the period from 1951-1980.
This baseline period was established by the National Aeronautics and Space Administration (NASA) and the National Oceanic and Atmospheric Administration (NOAA). It is used as a reference to compare current and future temperature anomalies to historical averages. Temperature can vary from year to year. Hence, the baseline temperature is calculated from 1951-1980.
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enTRR and Home Work Arrange the forewing from biggest s the smallest- Memory card pen drive CD DVD Hard disk Ploppy disk zipdisc H biggest Sumallash Port Live Smallest Size F1 Zip Dv D sizes
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They typically hold data in the range of 1 GB and 64 GB. Another option for transporting data is a CD/DVD, however it has a limited capacity compared to a pen drive. Compact Discs (CDs) are a type of storage medium with a 650 MB or 700 MB storage capacity.
Before the floppy disc, what was there?From the beginning of the computer industry inside the 1950s through the 1980s, magnetic tape drives were included with the mainframes or minicomputers used by businesses.
Four memory slots are what?RAM (computer memory) can be introduced into a computer through a memory slot, dram socket, and RAM slot. The type if RAM used with computers is determined by the motherboard's up to four memory slots.
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The correct question is
Arrange the following devices: compact disc, hard disk , digital versatile disc, pen drive, floppy disk in descending order of storage capacity.
Pls answer correctly
what are the advantages of genetically modified plants
Answers
Answer:
advantages are of genetically modified plants are the desired traits it results in but also they well-grown fruits and vegitables will be plump, ripe and delicious.
Explanation:
The law of conservation of mass is correctly demonstrated in which statement about the process of
cellular respiration?
O The mass of glucose is equal to the total mass of the water molecules.
O The mass of the glucose is conserved in the mass of the ATP in the products.
O The total mass of oxygen is conserved in the total mass of carbon dioxide produced.
O The total mass of glucose and oxygen is equal to the total mass of carbon dioxide and water.
Answers
The law of conservation of mass states that in any chemical reaction, the mass of the reactants is equal to the mass of the products. Therefore, the correct statement about the process of cellular respiration that demonstrates the law of conservation of mass is:
"The total mass of glucose and oxygen is equal to the total mass of carbon dioxide and water."
During cellular respiration, glucose and oxygen are used as reactants to produce carbon dioxide, water, and energy (in the form of ATP). The reactants (glucose and oxygen) have a certain mass, and the products (carbon dioxide, water, and ATP) also have a certain mass. According to the law of conservation of mass, the total mass of the reactants (glucose and oxygen) must be equal to the total mass of the products (carbon dioxide, water, and ATP). Therefore, the statement that "The total mass of glucose and oxygen is equal to the total mass of carbon dioxide and water" correctly demonstrates the law of conservation of mass in the process of cellular respiration.
Which of the following results when a person’s hand is near an open flame?
A) Motor neurons activating the muscles of the hand cause the hand to move
B) Sensory neurons process incoming information and determine a response.
C) The brain is required to integrate incoming and outgoing information
D) Interneurons detect the change in temperature of the environment
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Given what we know, we can confirm that when a person's hand is near an open flame, the brain is required to integrate incoming and outgoing information. Option C is correct.
What happens when a person's hand is near a flame?We can say that the information from the heat being generated by the flame is received by sensory neurons in the person's hand. This information generates a pain response which is integrated as incoming information in the brain, which then produces a motor response to move the hand away from the flame, as an outgoing signal.
Therefore, we can confirm that when a person's hand is near an open flame, the brain is required to integrate incoming and outgoing information. Option C is correct.
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What do all signals that are used to communicate have in common?
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The island biogeography model explains
A. the amount of water that surrounds an island
B. the effect the mainland has on the surrounding islands
C. factors affecting the number of different species in a region
D. geographical features of an island
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All of the following are caused of adrenal shock, EXCEPTSlowly tapering of steroidsAddison diseaseHyperthyrodismHypothyrodismNone of the above
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Acute adrenal crisis is a medical emergency caused by a lack of cortisol. Patients may experience lightheadedness or dizziness, weakness, sweating, abdominal pain, nausea, vomiting, or even loss of consciousness.
Answer: Hypothyroidism
Which of these factors may affect a person's blood alcohol concentration?
gender
race
blood type
O age
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Old age and gender affect a person's blood alcohol concentration.
What BAC means?BAC refers to the percent of alcohol in a person's bloodstream.
What is BAC and how is it determined?The amount of alcohol in the bloodstream is measured in milligrams (mg) of alcohol per 100 milliliters (ml) of blood.
What is a good BAC?Perfect BAC in accordance with the moderate drinking guidelines is 0.04 - 0.05%.
Hence, A and D is correct option
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12. Scientists discover a new species of mouse and want to classily it accurately,
A. organism cloning
B. genome sequencing
C. gene therapy
D. DNA fingerprinting
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Answer:
A
Explanation:
Answer:
A
Explanation:
Summary:Scientists have discovered two new species of 'stilt mice,' semi-aquatic African rodents with extra-long feet that they stand up on like a kangaroo. The mice wade in streams and dip their whiskers onto the water's surface to detect bugs to eat. The researchers also helped clarify these rodents' family tree, which includes a genus that's only ever been collected once, 93 years ago
Zoning laws establish _______. A) what types of buildings can be built in an area B) the uses an area of land can be put to C) who can live in an area D) the types of business that can occupy a building E) what kind of government offices can be built in an area
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Answer:
B) the uses an area of land can be put to
Explanation:
The best way to think of this is that zoning laws are laws that regulate how zones are utilized.
How is transcription similar to replication and how is it different?
Answers
Answer:
Transcription and replication are important processes that occur in cells but have distinct differences.
Similarities between transcription and replication:
1. Both transcription and replication involve the synthesis of nucleic acids. In replication, DNA is copied to produce an identical DNA molecule, while in transcription, DNA is used as a template to produce RNA.
2. Both processes occur in the nucleus of eukaryotic cells, although replication also occurs in the cytoplasm of prokaryotic cells.
Differences between transcription and replication:
1. Template: In replication, the entire DNA molecule serves as the template for copying. However, in transcription, only a specific DNA segment, called a gene, serves as the template for synthesizing an RNA molecule.
2. Product: Replication results in the production of an identical DNA molecule, while transcription produces an RNA molecule that is complementary to the DNA template.
3. Enzymes involved: Replication requires the involvement of multiple enzymes, including DNA polymerase, helicase, and ligase. Transcription, on the other hand, involves RNA polymerase, which catalyzes the synthesis of RNA from the DNA template.
4. Base pairing: During replication, DNA bases pair with their complementary bases (A with T and C with G) to produce an exact copy. In transcription, RNA bases pair with complementary DNA bases (A with U and C with G), resulting in an RNA molecule complementary to the template DNA strand.
Overall, while transcription and replication involve the synthesis of nucleic acids, they differ in terms of their templates, products, enzymes involved, and base pairing patterns. These processes are essential for cell function and crucial in genetic information transfer and maintenance.
Explanation:
6. Cilia and flagella are used to move substances along the surface of the cell instationary cells. Which of the following is another function of cilia and flagella?A. They hold neighboring cells in a fixed position.B. They move cells through watery environments.C. They transmit waste materials away from the cell.
Answers
Cilia and flagella are structures present in the cells that can be used for movement in aqueous media, such as in the case of spermatozoa (flagellum) and Paramecium (cilia).
This means B, they move cells through watery environments, is the right answer.
What does this pyramid tell us about the population?
The population is growing
The population is stationary.
The population is declining.
Answers
Answer:
Stationary leaning declining.
Explanation:
There are less people in the younger generations than the older. However, the middle to youngest are fairly consistent. Declining wouls look like an upside down triangle, with increasing being a normal triangle.
Answer:
The population is stationary.
Explanation:
I took the test and got a 100
A biologist collected 208 fern and moss samples. There were 76 more moss than fern samples. How many fern samples did the biologist collect?
OA. 109 fern samples
OB. 142 fern samples
OC. 132 fern samples
OD. 66 fern samples
Answers
There is 132 fern
A tomato plant that has pest-resistance genes inserted into its genome can be called a(n): O transgenic organism. O mutated organism. O cloned organism. O poisonous organism. O unnatural organism.
Answers
A tomato plant that has pest-resistance genes inserted into its genome can be called a transgenic organism.
If one or more foreign DNA sequences from another species have been intentionally added to the genome of an organism or cell, it is referred to as being transgenic. Transgenic organisms are developed in laboratories for scientific research.
When investigating the role of a gene, transgenic organisms are useful to study tools. Transgenesis and gene therapy, a medical procedure in which DNA is inserted into a patient's cells to treat illness, are similar concepts. In agriculture, transgenic organisms are widely used.
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Which of the following are characteristics of the taiga?
most animals hibernate or migrate
long, cold winters
most precipitation is snow
found mostly around the equator
largest biome
Answers
Answer:largest biome
Explanation:
Answer:
long, cold winters
most precipitation is snow
largest biome
Explanation:
Investigation Plan:
Students will gather more information on rock formation.
1. Read text below once with teacher.
2. Read it again
3. Take notes on main ideas and supporting details?
Mendel's Life
In 1865, Gregor Mendel published his work on the behavior of genes. Mendel lived in a monastery that was devoted to teaching and science as well as religious matters. Mendel had prepared to be a science teacher and had studied math, botany, and plant breeding for several years. The monastery had an experimental garden for agricultural research. Research then, as now, included cross breeding varieties of plants and animals in order to produce superior food and other products.
Answers
The main idea that was illustrated by Mendel is about inheritance.
What's was the excerpt about?In the 1800s, Gregor Mendel was an Austrian scientist, teacher, and Augustinian prelate. He is regarded as the father of modern genetics for his experiments on garden pea hybrids while living in a monastery.
Gregor Mendel published his research on gene behavior. Mendel lived in a monastery dedicated to teaching, science, and religious matters. Mendel had spent years studying math, botany, and plant breeding in order to become a science teacher. For agricultural research, the monastery had an experimental garden. Cross breeding varieties of plants and animals were used then, as it is now, to produce superior food and other products.
Gregor Mendel discovered the fundamental laws of inheritance while working on pea plants. He deduced that genes are inherited in pairs and as distinct units, one from each parent. Mendel studied the segregation of parental genes and how they manifested in offspring as dominant or recessive traits.
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Most articles pass right through the atom, this means that most of the atom is
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Most articles pass right through the atom, this means that most of the atom is an empty space.
What is an atom?An atom is described as a particle that consists of a nucleus of protons and neutrons surrounded by a cloud of electrons.
Protons and neutrons make up the core nucleus of an atom, which is encircled by an electron cloud. In relation to the size of the atom as a whole, the nucleus is exceedingly small.
As a result, the electrons surrounding the nucleus are the primary target of interactions when particles or even light pass through an atom. The majority of the atom's remaining space, which includes the nucleus, is vacant.
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monomers are called carbohydrates are linked together to form fat molecules, or ______
Answers
Answer:
polymer
Explanation:
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What is an example of absolute threshold in psychology?
Answers
Answer:
In hearing, absolute threshold is the smallest level of tone you can detect, considering you have normal hearing and there are no interfering sounds. For example, you might not be able to hear someone whispering from 20 feet away, but if that person speaks to a normal voice, it may reach your absolute threshold.
Explanation:
study harder
Answer: In hearing, absolute threshold is the smallest level of tone you can detect, considering you have normal hearing and there are no interfering sounds. For example, you might not be able to hear someone whispering from 20 feet away, but if that person speaks to a normal voice, it may reach your absolute threshold.
Explanation:
Answer and I will give you brainiliest
Biology
Answers
Answer:
I thought c) option is correct .....
Explanation:
make me as brilliest and follow me....Answer:
top right one
Explanation:
Plss due today! Will mark brainly!
1. Describe capillary action and give an example.
2. What is density?
3. What types of substance have pH values less than 7?
4. Give an example of a substance with a high concentration of H+ ions.
5. Give an example of a substance with a low concentration of H+ ions.
6. What is specific heat?
7. Does water have a high specific heat? What does this mean?
Answers
Water
2 the degree of compactness of a substance
3 they r acidic
4 Acidic
5 base
6 raise the temperature of a body one degree to that required to raise the temperature of an equal mass of water one degree.
7 yes it has n meaning it takes more energy to increase the temperature of water compared to other substances.