Which is not true of lipids?
Answer:
Explanation:
They form structural parts of cell membranes.
The carry fat-soluble vitamins to cells.
They supply cells with energy.
They supply cells with nitrogen.
Which claim below accurately explains how the process of meiosis results in genetic variation?
The cells in your body need nutrients and other materials to stay alive. To be used by your cells, the materials must be
a. slightly acidic
b. eukaryotic
c. dissolved in fluid
d. transgenic
The cells in your body need nutrients and other materials to stay alive. To be used by your cells, the materials must be dissolved in fluid. The correct option is c.
What is a cell?Cells are the fundamental building blocks of all life. Various of cells make up the human body. They give the body structure, absorb nutrients from food, and convert those nutrients into energy.
The cell, first discovered by Robert Hooke in 1665, has a rich and interesting history that has led to many of today's scientific advances.
Cells, as we've seen, require a constant supply of energy to generate and maintain the biological order that keeps them alive.
This energy is derived from the chemical bond energy in food molecules, which serve as fuel as a result.
To survive, cells in the body require nutrients and other materials. The materials must be dissolved in fluid before they can be used by cells.
Thus, the correct option is c.
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Northern lights or auroras can be seen within the _____ sub-layer.
A.ozonosphere
B.ionosphere
C.exosphere
D.troposphere
Which describes a constant in an experiment?
A.
the variable changed by the experimenter
B.
the quantity that must remain the same
C.
the variable that changes in response to the experiment
D.
the statement that is worded to test the experiment
How many satellites does Mars have?
Answer:Grad point answer 2
Explanation:
which of the following statements about colonial organisms is correct
Water is a _____ molecule.ionic covalent polar covalent reversible
Answer:
polar covalent
Explanation:
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Which of the following invented the polymerase chain reaction (PCR) that allowed scientists to enlarge and study genetic material?
Charles Darwin
Kary Mullis
Marshall Nirenburg
Nettie Stevens
Answer:
Kary Mullis
Explanation:
I got it right on a test
In a population of gerbils, long hair (H) is completely dominant over short hair (h). If 18% of the population has short hair, calculate the percentage of the population that is expected to be heterozygous (Hh). ...?
Answer:
49 percent
Explanation:
I got this question correct on the quiz.
Adenosine triphosphate, or ATP, is primarily used as _______ in living organisms.
Adenosine triphosphate, or ATP, is primarily used as a source of energy in living organisms.
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what are the special properties of water
20 POINTS!!! MORE THAN ONE ANSWER!!!!
Why are invasive species considered a threat to native wildlife?
They can breed and spread quickly.
They consume native species’ food supply.
They evolve, and native species don’t.
They all have higher genetic diversity than native species.
They don’t need resources from the environment as native species do.
They can breed and spread quickly.
They consume native species’ food supply.
Invasive species disrupt the ecosystem.What are invasive species?Invasive species, also called introduced species, alien species, or exotic species, any nonnative species that significantly modifies or disrupts the ecosystems it colonizes. Such species may arrive in new areas through natural migration, but they are often introduced by the activities of other species.To know more about species here
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the giant land tortoises of the galapagos islands and sequoias of California, have among the longest life spans of any organisms this indicates that they likely employ a stategry of
Giant land tortoises of the Galapagos Islands have long necks as a result of natural selection, giving them a survival advantage in environments where food is scarce and positioned higher. Over time, long-necked individuals are more likely to survive and reproduce, passing on this advantageous trait.
The giant land tortoises of the Galapagos Islands and the sequoias of California possess some of the longest lifespans of any organisms on Earth. This indicates that they likely employ a strategy of natural selection, where traits beneficial for survival in their environments are passed down through generations. For the Galapagos tortoises, a notable example is the variation in neck length. Tortoises with longer necks were 'selected' in environments where food sources were higher off the ground. During droughts or in areas with sparse vegetation, these tortoises could access food that short-necked tortoises could not, thus having a better chance of survival and reproduction. Over time, the trait of having a long neck would become predominant in the population due to this selective advantage.
compare and contrast the traditional classification and the modern classification (cladograms)
An organic compound that contains carbon, hydrogen, and oxygen is most likely
do puffer fish have vestigial structures? what are they?
Gamma rays are used
A. in microwave ovens.
B. to treat cancer, but they can also cause cancer.
C. in cell phone transmitters.
How does carbon in sediments reach the atmosphere
The chaparral biome has little biodiversity and is home to only a few well-adapted species.
Please select the best answer from the choices provided
T
F
The statement "The chaparral biome has little biodiversity and is home to only a few well-adapted species" is false.
What is Chaparral biome?Some Chaparral ecosystems (those with a low scrubby brush) are very similar to the desert scrub biome, but Chaparral occurs primarily on the coast.
Even though it appears to be true, it is not because of the stiff and dry environment of the desert biome. The Chaparral biome, on the other hand, receives more rainfall, which explains why there are so many distinct plant and tree species, as well as animals.
Shrubland biomes include the chaparral and savanna biomes. A biome is an ecological environment made up of numerous ecosystems that interact, exchange information, and are sometimes regarded as interdependent.
Therefore, the statement is false.
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The human body works constantly to maintain a stable, internal environment. This environment is called
A)equilibrium.
B)fitness.
C)health.
D)homeostasis.
When walking through the woods Adam and Alise saw many mushroom-like organisms growing out of logs that were laying on the ground. These logs were pieces of trees that had either completely fallen down or had broken off of the larger tree. What did Adam and Alise really see?
A. The mushrooms were only anchored to the dead logs and were undergoing photosynthesis.
B. The mushrooms were helping the trees to stay alive.
C. The mushrooms were decomposing the dead tree logs.
D. The mushrooms and tree logs were exchanging genetic material.
Answer: Option C
Explanation:
The mushrooms belongs to the family of fungus. These are natural decomposers that helps in cleaning of the environment. They feed on the dead and decaying organic matter.
Feeding on the dead and decaying organic matter provides food to mushroom and helps in decomposing the matter and adding nutrients back into the soil.
hence, Adam and Alise saw that mushrooms were decomposing the tree log.
According to famed linguist Noam Chomsky, humans have an innate ability to understand and produce language through a device he called ____
A marine biologist was taking photographs of ocean animals. One animal had tentacles with long stinging cells on the end. Which of these groups did the animal belong to?
A.
mollusks
B.
cnidarians
C.
arthropods
D.
sponges
Final answer:
The animal observed by the marine biologist, characterized by tentacles with long stinging cells, belongs to the group of (option B.) cnidarians. This group, which includes jellyfish, corals, and sea anemones, uses cnidocytes with nematocysts to immobilize prey.
Explanation:
A marine biologist observed an animal with tentacles possessing long stinging cells at the end, indicating that the animal belongs to the group cnidarians. Cnidarians, a phylum that includes organisms like jellyfish, corals, and sea anemones, are known for their unique cells called cnidocytes, which contain nematocysts (stingers). These specialized cells are designed to immobilize prey with toxins, allowing cnidarians to catch their food effectively. The presence of tentacles with stinging cells is a distinctive feature of cnidarians, distinguishing them from other groups such as mollusks, arthropods, and sponges.
What are the parts animal cell?
TRUE OR FALSE: Every time energy is transferred between organisms in a food web, some of the energy is lost as heat.
what is an alternative future for cells when they reach their size limit? ...?
Arrange the following five events in an order that explains the mass flow of materials in the phloem.
1. Water diffuses into the sieve tubes.
2. Leaf cells produce sugar by photosynthesis.
3. Solutes are actively transported into sieve tubes.
4. Sugar is transported from cell to cell in the leaf.
5. Sugar moves down the stem.
A) 2, 1, 4, 3, 5
B) 1, 2, 3, 4, 5
C) 2, 4, 3, 1, 5
D) 4, 2, 1, 3, 5
E) 2, 4, 1, 3, 5
How many calories are in carne asada nachos from Albertos?
In sexual reproduction, offspring are genetically different from the parents. This is because
combined genes are received from both parents.
Offspring are genetically different from their parents in sexual reproduction due to crossing-over, independent assortment during meiosis, and the random union of gametes during fertilization, leading to genetic variation.
Explanation:In sexual reproduction, offspring are genetically different from the parents due to several key mechanisms. Genetic variation is the hallmark of sexual reproduction, which results in offspring with unique genetic makeups. This genetic diversity arises from processes like crossing-over and independent assortment during meiosis, along with the random union of gametes during fertilization. This diversity is crucial for the survival of species as it allows them to better adapt to changing environments and avoid the pitfalls of inbreeding.