BIOLOGY HIGH SCHOOL

A period during which the embryo of a seed is alive but not growing is a. dispersal.
b. fertilization.
c. germination.
d. dormancy.

Answers

Answer 1
Answer: The answer is d. dormancy.

Dormancy is physiological condition during which growth and development are temporarily stopped. The aim of this condition is to preserve energy by minimizing metabolic activity, usually because of inadequate environmental conditions. 
Dispersal refers to movement of individuals from one site to another. Fertilization means a fusion of gametes to develop a new organism.
Germination is a process of growing plant from a seed.

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HIGH SCHOOL

Make an inference about what happens to the matter and energy during the formation and breakdown of a complex carbohydrate molecule? When is energy stored or released?

Answers

Answer:

The breakdown of carbohydrates in the cell during cellular respiration does not change the matter or energy in the molecule. Actually, the matter in the energy molecule, which is the number of atoms and molecule, remains the same and are only transferred to make other molecules (remember that in a chemical reaction, the number of atoms on the reactants side must balance with those of the products). The energy in the bonds of the molecule, as they are broken down by metabolic enzymes, are what is transferred to ATPs. This process is not efficient as most energy is lost as heat. The energy in the ATPs is used in catabolic process like the formation of carbohydrates in the Calvin cycle of plants. Catabolic processes reduce entropy - & increase Gibbs free energy - hence require energy.

Ultimately, no energy or matter is destroyed or made, it is only transferred, hence observing the first law of thermodynamics.

Energy in the body is stored through glycogenesis where glycogen is formed from excess glucose and stored in tissues. When energy is required, this glycogen is broken down back to glucose through glycogenolysis and it can be used in cellular respiration.

COLLEGE

,what body part likely contains epithelial tissue?

Answers

Its found in the body's tissues. 
Hope that helps. I can give a more detailed answer if you need one. 
MIDDLE SCHOOL

What type of mutation occurred in the DNA sequence? A.
duplication
B.
deletion
C.
addition
D.
substitution

Answers

B. Deletion. Single base substitution are mutation points.

your answer is deletion


HIGH SCHOOL

The process of clot retraction squeezes serum from the clot, thereby joining the edges of the broken vessel. through the action of actin and myosin, filaments in platelets contribute to clot retraction. failure of clot retraction is indicative of what?

Answers

Based on what you have read so far, how has Buck changed as a result of his new environment and experiences? Explain your answer with details from the text.

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