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sergiy2304 [10]
3 years ago
8

The endosymbiotic theory provides an explanation for the origin of chloroplasts. Which trait of chloroplasts supports this expla

nation?
Biology
1 answer:
kondor19780726 [428]3 years ago
3 0
The double membrane. It's theorized that chloroplasts used to be their own single-celled organism in the environment (and therefore with its own membrane). Then, the theory states, a larger cell took in the chloroplast by endocytosis, which involves surrounding the chloroplast in the large cell's own membrane. The chloroplast would then have two membranes surrounding it. This is similar to the thinking for mitochondria becoming an organelle as well. Hope this helps! :)
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If a plant is inherited by complete dominance where homozygous dominant is a red flower color and homozygous recessive is a whit
WITCHER [35]

Answer:

Genotype of parents is Rr

Explanation:

Let the allele for red flower be represented by "R" and the allele for white flower be represented by "r"

Allele for red color is dominant over allele for white color.

Co-dominant causes the expression of characteristics associated with dominant allele only.

Genotype of parents is Rr

Rr * Rr

RR, Rr, Rr, rr

"rr" is white colored flower

"RR and Rr" is red colored flower

7 0
3 years ago
What do epidemiologists study?
Triss [41]

Answer:

B) How often a disease occurs in a particular area or group of people

Explanation:

Epidemiologists study diseases in many different situations. Their main goal is to prevent diseases by using this information to plan and evaluate strategies.

Hope this helps!!! <33333

~Silver

6 0
2 years ago
Fossil belong on the cladogram?
Natasha_Volkova [10]
No, cladograms deal with living species.
8 0
3 years ago
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Diana is moving into a new apartment. She wants to get a heavy chair up to her second-floor apartment, but it will only fit thro
Anna007 [38]

Answer:

<em>The correct option is D) Diane will have to travel a farther distance to move the chair.</em>

Explanation:

To slide the chair up an inclined path, Diana would have to travel a further distance. While using the ladder to reach the second floor window would have made the distance smaller, but more force would have been required to move the chair through climbing a ladder. Diane would have got easily exhausted for moving the chair across the ladder. Using the inclined path will make the distance farther but as much force would not be required in this process. Hence, the method of using an incline is better.

4 0
3 years ago
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Proteins are synthesized from ________ during synthesis reactions. nucleotides amino acids glycerol and fatty acids monosacchari
ANTONII [103]
I believe proteins are synthesized from amino acids during synthesis reactions.
Protein synthesis starts with transcription of mRNA from a DNA gene in the nucleus.Various types of RNA may have been synthesized using the appropriate DNA. The RNAs migrate from the nucleus to the cytoplasm where the process of translation takes place. During the process the mRNA with the codons (three nucleotide bases that code for a specific amino acids) is interpreted by the anticodons in the tRNA , thus forming amino acids with together forms polypeptides and then proteins are formed.
6 0
3 years ago
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