Answer:
1.A tissue is a collection of similar cells that work together to perform a specific job.
An organ is a collection of different tissues that work together to perform a specific job. The function of a part of an organism is what it actually does (it's job)
2.The structure of the alveoli as a web of blood vessels surrounding an air sac allows blood cells take in oxygen and bring it into the lungs (organ)
Answer:
The correct answer is option A-"They release energy".
Explanation:
The phenomenon of radioactive decay, also known as radioactivity or nuclear radiation, occurs when an unstable atomic nucleus emits radiation and loses energy and mass in the process. The elements during radioactive decay release energy and mass trying to reach a stable form. The material that has the unstable nucleus is considered radioactive.
Answer: Induced fit model of the enzyme activity
Explanation:
The induced fit model of the enzyme was given in the 1894 as the lock and key model for the enzyme and substrate.
It states that the substrate acts as key to the lock of the active site. The substrate and active site of enzyme are perfect match of each other.
The enzyme finds the exact counter part during the chemical reaction. The enzyme optimizes to fit the substrate by stretching, restraining or squeezing.
Answer:
How fast does an Australian terrier grow? is a dog question that could be answered scientifically because growth can become a dependent variable that can be influenced by independent variables such as food, water, habits, and others.
Explanation:
Answer:
C) Most coniferous trees have both male and female cones.
Explanation:
- Unlike flowering plants, conifers do not bear flowers. instead of flower they bear male and female cones.
- The male cone produces the pollen and the female cone contains ovule which develop into seeds.
- The reproductive cycle of a conifer begins in the spring when the male cone releases pollen in the wind and these pollen get trapped in the scales of female cones.
- These pollen goes through a resting period and then fertilizes the ovule.that matures into seed.
- The seeds of conifers are naked. i.e. not enclosed
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