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Inessa [10]
2 years ago
10

3. The time it takes for the number of leaves to increase from 15 to 30 is approximately ___ days (1) 2.0 days (2) 2.3 days (3)

2.9 days (4) 3.2​
Biology
1 answer:
Alenkinab [10]2 years ago
5 0

Answer:

(2) - 2.3 days.

Explanation:

found it on a PDF lol

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3. What are some scientific explanations for the history of life on Earth?
KATRIN_1 [288]

Answer:

Many scientists favor the RNA world hypothesis, in which RNA, not DNA, was the first genetic molecule of life on Earth. Other ideas include the pre-RNA world hypothesis and the metabolism-first hypothesis. Organic compounds could have been delivered to early Earth by meteorites and other celestial objects

7 0
2 years ago
A certain sea slug, Elysia chlorotica, "steals" chloroplasts from algae it normally feeds upon, and then uses the chloroplasts t
FrozenT [24]

Answer:

Horizontal gene transfer

Explanation:

Horizontal gene transfer or lateral gene transfer is when an organisms of different species can acquire a gene from a different one. This process is well understood in bacteria and is responsible for the appearence of antibiotic resistant bacteria. Bacteria can take DNA fragments through a process known as transformation, but this is less common in eukaryotes. Gene transfer agents like viruses could carry the gene from one specimen to the other. Another way could be Horizontal transposon transfer but the exact mechanisms behind it are still under research.

7 0
3 years ago
Using the terms “hydrophobic”, “hydrophilic” and “ATP”, describe how a vesicle can fuse with a membrane prior to the exocytosis
marissa [1.9K]

Answer:

the vesicle can fuse with a membrane prior to the exocytosis of a protein from the cell by hydrophobic.

Explanation:

i hope this works  i have learned this yet

3 0
2 years ago
The Punnett square shown presents a cross between two piranhas. Both parents have large teeth.
Llana [10]

Answer:

The correct answer would be C)  75% large-toothed and 25% small-toothed.

It can be explained with the help of the law of dominance which states that the dominant allele expresses itself completely over the recessive allele in the heterozygous condition.

So, the genotype TT, as well as Tt, will result in the production of dominant trait or character in the offspring.

Thus, three (1 TT and 2 Tt) out of four offspring would have large teeth and only one offspring (tt) would have small teeth.

Hence, we can conclude that 75% of the offspring will have large teeth and only 25% will have small teeth.

8 0
3 years ago
Read 2 more answers
Which of the following would cause gene flow
Zigmanuir [339]
C. Individuals moving into a population, gene flow can also be referred to as gene migration due to this
5 0
3 years ago
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