Answer:
Crossing over
Explanation:
for variations which is one of the most important characteristic for Meosis
which is the only kind of bird that has no eyeballs?
How does your body respond to a decrease in blood glucose
Answer:
When blood sugar drops too low, the level of insulin declines and other cells in the pancreas release glucagon, which causes the liver to turn stored glycogen back into glucose and release it into the blood. This brings blood sugar levels back up to normal.
Explanation:
hope this helps!
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Answer:
Glucose is a sugar that comes from the foods we eat, and it's also formed and stored inside the body. It's the main source of energy for the cells of our body, and is carried to each cell through the bloodstream. Our brains depend on glucose to function, even when we're sleeping.
The blood glucose level is the amount of glucose in the blood. When these levels (also called blood sugar levels) drop too low, it's called hypoglycemia (pronounced: high-poe-gly-SEE-me-uh). Very low blood sugar levels can cause serious symptoms that need to be treated right away.
Low Blood Sugar Levels in Diabetes
People with diabetes can have low blood sugar levels because of the medicines they have to take to manage their diabetes. They may need a hormone called insulin or diabetes pills (or both) to help their bodies use the sugar in their blood.
These medicines help take the sugar out of the blood and get it into the body's cells, which makes the blood sugar level go down. But sometimes it's a tricky balancing act and blood sugar levels can get too low.
People with diabetes need to keep their blood sugars from getting too high or too low. Keeping blood sugar levels in a healthy range means balancing when and what they eat, and when they exercise with when they take medicines.
Hope this helps...;-]
Explanation:
it can be very difficult to select an angle for sneaking up to a grasshopper to catch it because grasshoppers have
Answer:
compound eyes and multiple ommatidia
quizlet verified BIO 1306 Ch. 50 Exam 2
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what we ever seen a super volcano erupts
Yes I do know if a super volcano erupts it would change the world like that one sun but have we ever seen one like in the past?
Answer:
no we havent
Explanation:
The last one was 26,500 or 74,000 years ago.
a condition in which the number of red cells or the amount of hemoglobin is below normal
Answer:
The condition is anemia.
Explanation:
Anemia is a medical condition in which the red blood cell count or the hemoglobin is less than normal.
a mechanism for evolution in nature
Answer:
Natural selection
Explanation:
Have a great day!
Answer:
natural selection
Explanation:
natural selection is one of many mechanisms for evolution in nature. it's one of the most viewed mechanisms for evolution. Natural selection occurs when one allele makes an organism that is more or less fit, that has the ability to survive and reproduce.
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Researchers continued to record the deer population for many years after the coyote reduction. After a few years of growth, the deer population stopped changing much and stayed consistent. What is the term that best describes the continued stability of the population in this ecosystem?
Exponential growth
Carrying capacity
Overshoot
Limiting factor
Carrying capacity is a constant that equals population size at the equilibrium point. The term that best describes the continued stability of the population is option B, carrying capacity.
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Populations that exhibit the logistic growth model depend on density.
Natality and mortality depend on the population size, meaning that there is no independence between population growth and population density.
When a population grows in a limited space, density rises gradually and eventually affects the multiplication rate.
The population per capita growth rate decreases as population size increases.
The population reaches a maximum point delimited by available resources, such as food or space. This point is known as the carrying capacity, K.
K is a constant that equals population size at the equilibrium point, in which the natality and the mortality rate get equal to each other.
Assuming that population size is N, when
N<K, the population can still grow. N approximates to K, the population´s growth speed decreases. N=K the population reaches equilibrium, N>K, the population must decrease in size because there are not enough resources to maintain that size.The sigmoid curve represents the logistic growth model.
The carrying capacity might be affected by different factors, known as limiting factors, which might be a result of the population density (for example, competition) or might be density-independent.
Dense-independent factors might be human impact or natural disasters (fires, volcanic eruption, flooding).
In the exposed example we have a small population of deer that could grow and increase in size because of the absence of its predator.
This deer population exhibited continuous growth until it reached a certain point in which it remained stable.
This point is the carrying capacity.
At this point N = K ⇒ the deer population stoped increasing its size because it reached the environmental maximal capacity.
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Which is a point mutation and not a frameshift mutation?
mutagen
insertion
deletion
silent
Answer:
The correct answer is D. Silent
I can assure this is the correct answer because I took either the test or review, I don't remember but yeah I know its correct also, because of the other person so be sure to say thanks to them before me!
Hope I helped! <3
A silent mutation is a point mutation and not a frameshift mutation. Therefore, the correct statement is option D.
What are point mutations?Mutagens are agents causing mutations in DNA sequence. Point mutations are due to a change in a single nucleotide base in a DNA sequence and frameshift mutations are due to changes that are the result of the insertion or deletion of nucleotide bases, thereby, shifting the reading frame of the sequence and the way is changed in which it is translated into a protein.
A silent mutation is a point mutation that does not change the amino acid sequence of a protein, as the mutated codon still codes for the same amino acid, thereby, not affecting the function of the protein.
Insertion and deletion mutations are frameshift mutations as they alter the reading frame of the sequence which results in a completely different amino acid sequence.
Therefore, the silent mutation is a point mutation.
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What is the metabolic process that breaks down organic molecules to release energy to be used by cells?
A. cellular respiration
B. light dependent cycle
C. light independent cycle
D. photosynthesis
Cellular respiration in living tissues is reduced at low temperatures. The amount of kinetic energy needed for chemical reactions like cellular respiration to occur decreases as temperature rises. Thus, option A is correct.
What importance of cellular respiration in an organism?As oxygen tension dropped, so did breathing rate, which eventually reached nil at low oxygen tensions.
Cell density had no bearing on this outcome. We provide a model to explain the observed impact of oxygen tension on cellular oxygen uptake.
As a result, increased cellular respiration is often associated with warmer temperatures.
Carbon dioxide concentration: The rate of respiration is inversely correlated with carbon dioxide concentration.
Increased carbon dioxide levels and a lack of oxygen have a negative impact on aerobic respiration rate.
Therefore, cellular respiration is the metabolic process that breaks down organic molecules to release energy to be used by cells.
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Which shows the order in which vertebrates evolved?
Answer:
Class
Explanation:
Vertebrate Classification. Vertebrates can be subdivided into five major groups: fishes, amphibians, reptiles, birds, and mammals. Amphibians, reptiles, birds, and mammals are ranked as classes.
PLEASE HELP!!!! MULTIPLE CHOICE
Answer:
c
Explanation:
How is molecular nitrogen (N2) utilized by plants and animals?
Before it can be utilized by plants and animals, molecular nitrogen (N2) must be converted by microbes that use N2 as a replacement for
Nitrogen is converted from atmospheric nitrogen (N2) into usable forms, such as NO2-, in a process known as fixation. ... The nitrogen is passed through the food chain by animals that consume the plants, and then released into the soil by decomposer bacteria when they die.
Answer:
Oxygen ✓
Explanation:
That's it and it's actually simple and correct
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in which part of cell are calcium ions usually found?
Answer:
The endoplasmic reticulum
Explanation:
becuase im smart
what is the answer 50 points
What is the difference between weathering and erosion? (Site 1).
Answer:
Weathering and erosion are natural geological processes that act like rocks and soil on the earth's surface, moving and reshaping the earth. Weathering is the breaking down of rocks into smaller pieces by changing the size and structure of the rocks. The forces of nature are largely responsible for this process. Erosion involves processes such as wind, water flow, and ice movement, which results in change from one place to another.
3. Describe each one of the following types of fractures:
simple fracture
compound fracture
incomplete fracture
impact fracture
comminuted fracture
In an ecosystem, organisms use up
chemical energy and most of the
energy is then lost to the
environment as
A. light
B. heat
C. photons
List three limitations for measuring cell size
Answer:
Cell size is limited by the cell's surface- area- to - volume ratio
what is all of the dna in a set of 23 chromosomes referred to as?
Answer: The Genome
Explanation:
a change in DNA structure that might be beneficial, harmful, or neutral. What is all of the DNA in a set of 23 chromosomes referred to as? The genome
help me with this please
Answer:
8. mutualism
9. parasitism
10. commensalism
The separation of the colors occurs because each different ____ of light ______, or bends a different amount
A frequency, wavelength
B wavelength, reflects
C wavelength, refracts
Cytokinesis begins with the appearance of a
Answer:
Cleavage furrow
Explanation:
what is the relationship between monosaccharides and disaccharides
A disaccharide is the sugar formed when two monosaccharides are joined by glycosidic linkage. Like monosaccharides, disaccharides are simple sugars soluble in water. Three common examples are sucrose, lactose, and maltose.
For people who need to study this
Answer
ok
Explanation:
Answer: okay thank you sir!
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what is the answer to 2x?=2
Answer:
if you're trying to find x then the answer would be x=1 b/c 2 times 1 and 2=2
Explanation:
we need more raw materials with recycling true or false.
Answer:
true
Explanation:
Which definition best explains the term gene expression?
Answer:
Answer:
Gene expression is the process by which the information encoded in a gene is used to direct the assembly of a protein molecule. ... Each group of three bases (codon) corresponds to one of 20 different amino acids used to build the protein.
OR
Gene expression is. the activation of a gene leading to the transcription, translation and synthesis of a specific protein.
For example, when the intensity of light entering the eye increases, a ____________ reflex is triggered, and the circular muscles of the iris are stimulated to contract.
Answer:An increase in light intensity causes both pupils to contract (see iris) even if only one retina is directly stimulated. This is known as a consensual reflex. Conversely, a decrease in light intensity causes dilation of the pupils
Explanation:
What are Mendel's two laws?
Answer:
1) the law of segregation
2) the law of independent assortment
Explanation:
