Answer:
tertiary structure-globular proteins; 3D shape determines specificity; due to all ... of nucleic acids are ribonucleic acid (RNA) and deoxyribonucleic acid (DNA) ... -Mitochondrion- Provides energy for the cell by converting sugar and oxygen into ATP ... C-4 plants exhibit modified anatomy and biochemical pathways, which ...
Explanation:
Answer:
3,4, 5 and 6
Explanation:
There are four essential credits of natural selection –
a) Heredity – The genetic characteristics of an offspring are acquired by his/her parents. Parents while mating pass on the desirable of advantageous traits to their offspring for natural selection to act. Natural selection leads to variation and further changes in the advantageous traits based on the varying external and internal conditions.
b) Reproduction – Reproduction is very essential for natural selection or else the gene flow will stop. The larger is the gene flow, the larger is the gene pool thereby paving way for higher variations through natural selection
c) Variation in fitness – Not all species are fit to survive. Some have higher abilities to cope up with competitive pressure while some cannot cope up with the pressure of competition and hence die.
d) Variation in characteristics – Natural selection brings about changes in the genotype and phenotype of offspring. No two individuals are exactly similar. Variations is essential for progression of evolution.
Hence, option 3,4,5 and 6 are correct
Hello My Dear Friend "GAL"! <span>
Large bodies of material will naturally become approximately spherical in shape because gravity pulls everything towards the centre of mass, and the best shape for getting all the particles that make up the body (like all the particles of rock and iron the earth is made of)
close to the centre is a sphere.It's the lowest energy configuration, and that's what everything strives to be in.
So,
opposing this gravitational force is the ability of the material that makes up the body to support itself. Hence why on the hard surface of the earth, we can still have mountains like the Himalayas -
gravity at the surface isn't strong enough to crush these flat. The
rotation of the earth causes it to assume a slightly squashed shape too, due to centrifugal force, which pushes material outwards - more so at the equator, which is furthest from the axis of rotation. Any rotating object will have some degree of squashing as a result.
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Answer:
An increase in the number of snakes
Explanation:
From the food web, the only way for frog population to increase is:
1) increase of cricket population. (increased food source)
2)decrease of hawks population (less predator)
An increase in snake population will result in mice population to fall as more snakes will hunt and feed on the mice. This causes lesser mice to feed on grasses. Resulting in increased food for crickets. As time passes, due to sufficient food, cricket population will increase which in turn increases the amount of food available for frogs to eat.
Assuming the number of predators remain constant and amount of crickets (food) increases, more frogs will survive to maturity and reproduce, causing the amount of frogs to increase.
Mitochondria are responsible for creating more than 90% of the energy needed by the body to sustain life and support organ function. When they fail, less and less energy is generated within the cell. Cell injury and even cell death follow. If this process is repeated throughout the body, whole organ systems begin to fail.
The parts of the body, such as the heart, brain, muscles and lungs, requiring the greatest amounts of energy are the most affected. Mitochondrial disease is difficult to diagnose, because it affects each individual differently. Symptoms can include seizures, strokes, severe developmental delays, inability to walk, talk, see, and digest food combined with a host of other complications. If three or more organ systems are involved, mitochondrial disease should be suspected.