Each primary bronchus enters a lung and branches into smaller ________.
the rusty crayfish is harmful to Native species of crayfish because it clear cut the bottom of waterways leaving native species without a food supply
T or F
Answer: True
Explanation:
An invasive species is the one which competes with the members of the native species for resources when introduced to a new ecosystem.
According to the given situation, a rusty crayfish is harmful to the native species of crayfish. This tells us that rusty crayfish is invasive for native species of crayfish. Thus the native species left without food as there exists competition for food.
Tina's left tibial pulse is graded as 2+. this finding is:
Which of these is an example of recombination of atoms to form newer molecules?
Molding a wire of gold
Hammering a piece of iron
Tarnishing of a silver coin
Rolling of a sheet of aluminum
Answer: Option (c) is the correct answer.
Explanation:
When there is recombination of atoms to form newer molecules then it is called a chemical change.
For example, [tex]A-B + C-D \rightarrow A-C + B-D[/tex] is a chemical change.
Tarnishing of a silver coin is a chemical change which occurs when silver reacts with moisture in the air as a result silver loses its luster.
Thus, we can conclude that out of the given options tarnishing of a silver coin is an example of recombination of atoms to form newer molecules.
When the urinary bladder becomes stretched, there is an increase in the frequency of action potentials traveling from..?
Carbohydrates, lipids, proteins and nucleic acids are considered _____________, which means they are large organic molecules.
A. Macromolecules
B. Micromolecules
C. Nanomites
D. Polar
Carbohydrates, lipids, proteins and nucleic acids are considered Macromolecule which means they are large organic molecules.
Thus, A vast variety of both good and bad foods, including bread, beans, milk, popcorn, potatoes, cookies, spaghetti, soft drinks, corn, and cherry pie, include carbohydrates.
They can take on various shapes as well. Starches, fibres, and sugars are the most prevalent and plentiful types.
Carbohydrate-rich foods are a crucial component of a balanced diet. The body receives glucose from carbohydrates, which is then transformed into energy for maintaining biological processes and engaging in physical activity.
Thus, Carbohydrates, lipids, proteins and nucleic acids are considered Macromolecule which means they are large organic molecules.
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The higher plant type that carries its seeds in cones is the ________.
The higher plant type that carries its seeds in cones is the gymnosperm. Any vascular plant that imitates by methods for an uncovered seed, or ovule—not at all like angiosperms, or blossoming plants, whose seeds are encased by develop ovaries, or organic products.
which of the following is part of the cell theory
All cells are produced from other cells
All cells are the same.
cells are independent structures
Cells are able to make new organisms.
The part of the cell theory among the given options is All cells are produced from other cells.
The correct option is A
The cell theory is a fundamental principle in biology that describes the basic properties and functions of cells. It consists of three main principles: All living organisms are composed of one or more cells.
The cell is the basic unit of structure and function in living organisms.
All cells arise from pre-existing cells through cell division. The statement "All cells are produced from other cells" aligns with the third principle of the cell theory. It emphasizes that new cells are generated through the process of cell division, where existing cells divide to produce daughter cells. This principle applies to all forms of cellular life and is a cornerstone of our understanding of cellular reproduction and the continuity of life.
Hence , B is the correct option
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The flow of energy from an ecosystem to an organism and from one organism to another is called ______
The physical folder for each veterinary patient and the total body of information that comprises each animal's health history is called the
Why are habitats limited resources? how might their destruction affect the long-term survival of species?
The sequence that best illustrates the flow of energy through an ecosystem is
(1) sunlight → plant → wolf → rabbit
(2) plant → sunlight → rabbit → wolf
(3) sunlight → plant → rabbit → wolf
(4) wolf → rabbit → plant → sunlight
If a baby boy inherits a recessive allele from his mother, in which of the following circumstances would he most likely exhibit that recessive trait? (2 points)
a.The allele is X-linked.
b.His mother's father also exhibited the trait.
c.The allele skips a generation.
d.He inherited the dominant trait from his father.
Answer:
The allele us X-linked
Explanation:
In the cells of some organisms, mitosis occurs without cytokinesis. this results in ________.
a. cell cycles lacking an s phase
b. cells lacking nuclei
c. cells that are unusually small
d. cells with more than one nucleus
When mitosis occurs without cytokinesis, it leads to cells with more than one nucleus. This results from the genetic material being divided without the subsequent division of the cell's cytoplasm, possibly leading to larger, abnormal cells that can be indicative of cancer.
Explanation:In the cells of some organisms, when mitosis occurs without cytokinesis, the resulting condition is cells with more than one nucleus. This happens because the cell divides its genetic material during mitosis but fails to complete the process by not undergoing cytokinesis, which is the division of cytoplasm to form two separate cells. This cell cycle aberration can lead to larger cells containing multiple nuclei, which is often an unwanted phenomenon that could indicate the presence of cancerous cells.
Cell cycle control is crucial for an organism's health as it ensures that cells divide correctly and maintain proper function. If this control is lost, cells may begin to divide uncontrollably, which is a characteristic of cancer, leading to the formation of tumors.
The cell cycle has two major phases: interphase, where the cell grows and the DNA is replicated, and the mitotic phase, where the cell actually divides. The mitotic phase includes karyokinesis (the division of the cell's nucleus) and usually cytokinesis. However, when cytokinesis does not occur, the result is a multinucleate cell, which has replicated DNA and might be larger in size but hasn't physically separated into two individual daughter cells.
How do environmental factors and genetic factors affect natural selection?
The intestinal epithelium absorbs monosaccharides by __________
Some investigators concluded that the first organisms consisted of rna rather than dna. what is importance of this "rna world" period?
Condition without pulse (loss of consciousness that occurs when the body cannot get the oxygen it needs to function -
e.g., choking, drowning, carbon monoxide poisoning, suffocation)
which energy molecule is produced as a result of cellular respiration?
A) ATP
B) RNA
C) DNA
D) ADP
One modification of the small intestine that increases the surface area is ____.
Air trapped in the fur of the caribou’s coat functions as _____. insect repellant camouflage insulation waterproofing
Answer: Insulation.
Explanation: Insulation can be defined as the protection against the changing or different environment. Insulation is usually seen the animals living in polar regions.
The fur helps in sustaining the internal heat of the body to remain inside the body without being lost outside due to the colder environment outside.
The Eskimos experience one of the world's extreme winter climates and in this kind of a situation caribou's coat provides insulation from cold.
Walking ____ is a good exercise choice for individuals with leg and back problems.
Which enzyme is responsible for the majority of the digestions of lipids?
Pancreatic lipase is the primary enzyme responsible for lipid digestion, working mainly in the small intestine to break down triglycerides into fatty acids and monoglycerides.
The enzyme responsible for the majority of the digestion of lipids is pancreatic lipase. It operates primarily in the small intestine, where it systematically breaks down each triglyceride molecule into two free fatty acids and a monoglyceride. This process is facilitated by bile, which is secreted by the liver and works to emulsify large globules of food lipids into smaller micelles, providing a larger surface area for the pancreatic lipase to act upon. Lipid digestion begins to some extent in the mouth with lingual lipase, but this is minor in comparison to the activity in the small intestine.
A 33-year-old pregnant client asks the nurse about testing for birth defects that are safe for both her and her fetus. which test would the nurse state as being safe and noninvasive
What is air pressure? A. Earth's gravity pulling down on air molecules. B. Constant collisions between air molecules due to their high energy C. The result of air being confined to a particular volume in the atmosphere D. The Sun's gravity pulling on Earth's atmosphere
Answer:
Earth's gravity pulling down on air molecules.
Explanation:
Answer on Odyssey-ware
To ensure sound nutrition, the mother's diet during pregnancy should include:
What are the neurons called that pick up sensations from receptors and carry them into the brain?
What substance is added during hydrolysis in order to break down food macromolecules? carbon dioxide amino acid oxygen water?
Answer: Water
Explanation:
Hydrolysis is the process by which bond between the macromolecules splits by the addition of water. This process is catalysed is enzymes.
Most of the macromolecules like carbohydrates, protein, fat inside the human body is broken down by the help of water only.
WE can say that polymer is broken into monomer by the help of water.
Thus, the correct answer is Water.
Long, saturated fatty acid tails _____ lipid mobility and _____ membrane fluidity. enhance; increase reduce; increase enhance; maintain maintain; decrease reduce; decrease
During baking, sometimes dough spills over the sides of the bread pan. this may occur because
Dough may spill over during baking mainly due to an excessive amount of yeast, which leads to an overproduction of carbon dioxide, causing the dough to rise and expand more than it should. The heat during baking can exacerbate this expansion.
During baking, dough may spill over the sides of the bread pan due to the action of yeast. Yeast is a key ingredient in bread making, as it ferments the sugars present in the dough, producing carbon dioxide gas. This gas causes the dough to expand and rise. If a chef accidentally puts too much yeast in the dough, the quantity of carbon dioxide produced during fermentation can be excessive, resulting in the dough rising too much and spilling over. This overexpansion is further exacerbated by the heat of the oven, which can encourage more fermentation and expansion as referenced by Charles's Law, which implies that gases expand when heated. The correct amount of yeast ensures that the dough rises just enough to make the bread light and fluffy without overflowing.
Moreover, over-kneading the dough can also affect the texture of the bread, making it tough. As the bread rises, the CO₂ that causes this rising action comes from the yeast fermentation process. When bread is baked, the yeast continues to ferment the sugars, which typically causes the dough to expand further before the yeast eventually dies from the heat.