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dmitriy555 [2]
3 years ago
10

Match the following: 1. genes are made of this substance DNA 2. body that releases energy from foods mitochondria 3. food-making

body nucleus 4. cell headquarters chloroplast 5. layers of cellulose outside the cell cell wall
Biology
2 answers:
Free_Kalibri [48]3 years ago
4 0

Answer:

1. deoxyribonucleic acid (DNA)-Found in all living organisms, this substance carries the genetic information of the organism.

2. Mitochondria-The releasing of energy from food is a process called cellular respiration.The mitochondria is found in both animals and plants

3. Chloroplast- This organelle is found in autotrophic organisms, that is plants.

4. Nucleus- The nucleus is found in all living organisms, here DNA is found and this is where all cell activities are organized.

5. Cell wall- A cell wall is found in plants, fungi , and bacteria. Animals do not have a cell wall. The cell wall acts as protection and as a support structure.

Explanation:

KatRina [158]3 years ago
3 0

Answer:

1. DNA.

2. Mitochondria.

3. Chloroplast.

4. Nucleus.

5. Cell wall.

Explanation:

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Answer:

Genotype: SsBb

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Crossing the two to produce offsprin:

SSbb   x   ssBB  = All SsBb

<em>All the offspring will have SsBb genotype and since S and B are dominant over s and b respectively, the offsprings will appear black and spotted.</em>

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<em />

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How did the discovery of three categories of petite mutations in yeast lead researchers to postulate extranuclear inheritance of
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<h3><u>Answer;</u></h3>

Whereas segregational petites exhibited Mendelian inheritance, both neutral and suppressive petites followed non-Mendelian patterns that were consistent with the involvement of an extranuclear agent

<h3><u>Explanation</u>;</h3>
  • Mutations that yield defective mitochondria are expected to make cells grow much more slowly. These mutants were called petites to describe their small colonies compared to large wild type colonies.
  • Petite mutants could not grow when cells had an energy source requiring only metabolic activity of mitochondria - needed sugar as well which is part of glycolytic pathway.
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