B
Keep in mind that total energy in the beginning and after work remains the same according o thermodynamics theory that energy can't be created or destroyed.
Explanation:
Conversion of energy from one form to another is not 100% efficient. Even the transfer of energy from one object to another (work) is not 100% efficient. This also applies to cells. The inefficiencies are lost as heat energy. Examples of such work in the cells include active transport by cell membrane protein channels, metabolic pathways, and etcetera. Some energy in the hydrolysis of ATP to power these biochemical activities is lost as heat which is part of the reason we remain warm. This energy ends up being lost into the environment as heat (e.g even from sweating).
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Answer:
25%
Explanation:
<u>Genotypes and phenotypes:</u>
- SS = straight hair
- CC= curly hair
- SC = wavy hair
- AA or A0= type A blood
- BB or B0= type B blood
- AB = type AB blood
- 00 = type 0 blood
A man with straight hair and A blood has the genotype SS AA or SS A0.
A woman with wavy hair and B blood has the genotype SC BB or SC B0.
Their first child has straight hair and O blood: SS 00
Because the child has type 0 blood, both parents must have a 0 allele, so their genotypes are SS A0 and SC B0.
<u>If their second child is a boy with straight hair, what is the probability that he has A blood?</u>
The hair and blood type genes are independent, so the hair phenotype of the child is irrelevant to determine the probability of him having A blood.
The parental cross for blood type is A0 x B0.
If you do a Punnett Square, you'll get the following offspring:
25% AB, 25% B0, 25% A0 and 25% 00.
The answer is the child has a probability of 25% of having A blood.
B because a new species adds more diversity to your ecosystem
<h3><u>Answer;</u></h3>
C) The binding of substrate changes the conformation of the active site to bind substrate more tightly.
<h3><u>Explanation;</u></h3>
- Induced fit theory is the idea that the substrate plays a role in determining the final shape of the enzyme and that the enzyme is partially flexible. Other molecules may be too small to induce the proper alignment and therefore cannot react.
- Only the proper substrate is capable of inducing the proper alignment of the active site.
- Induced fit model asserts that when the active site on the enzymes makes contact with the proper substrate, the enzyme molds itself to the shape of the molecule.
Apparent magnitude which is how bright a star appears from earth.
Absolute magnitude is how bright the star appears at a standard distance of 32.6 light years (or 10 parsecs).
Apparent magnitude is a measure of how bright an object seems to be at the point where it is observed. It expresses brightness on a scale , and gives brighter objects lower value and fainter objects higher value.
Absolute magnitude gives the brightness of an object if it were moved to a distance of 10 parsec from the sun
