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blsea [12.9K]
3 years ago
15

Compare your results with those of other groups. How did the seeds respond to the temperature?(cold and room temperature) infer

how this respondse might help a pinto-bean plant respond to changing seasons.
Biology
1 answer:
galina1969 [7]3 years ago
7 0

There are so many examples for that in different areas, like biology experiment carried out in our lab recently.

Here's one link: https://www.creative-biogene.com/Services/Custom-Viral-Service/Replication-Competent-Virus-Testing.html


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Determine whether each of the following is a characteristic of the life cycle of a seed plant, a seedless plant, or both. Double
Gnoma [55]

Double fertilization-plants with seeds (flowering plants), two male gametes joining with female gametophyte

Gametophyte generation-both (haploid, sexual stage stage-gametophyte, and the diploid stage that produces spores – sporophyte)

Endosperm formed-plants with seed because it is a tissue formed inside the seed which surrounds the embryo and provides nutrition

Mitosis-both (mitosis occurres in spores)

Spores develop into gametophytes-both but, in seedless plants sporophyte produces spores that will develop into a new organism (multicellular gametophyte) using mitosis, while spores of seed plants are produced internally and develop into more complex structures.


7 0
3 years ago
What nucleotide is used during transcription instead of thymine
enyata [817]
It differs from DNA chemically in two respects: (1) the nucleotides in RNAare ribonucleotides—that is, they contain the sugar ribose (hence the name ribonucleic acid) rather than deoxyribose; (2) although, like DNA,RNA contains the bases adenine (A), guanine (G), and cytosine (C), it contains the base uracil (U) .
3 0
3 years ago
Somebody help now!!!!!!
yaroslaw [1]

Answer:

BB: Hetero

Ff: Homo. Dominant

Cc: Homo. Dominant

mm: Homo. recessive

7 0
3 years ago
What is a group of ducklings called
Scorpion4ik [409]
The answer would be flock
6 0
3 years ago
In this exercise, the Kirby-Bauer diffusion test was used to test the sensitivity of S. epidermidis to penicillin, novobiocin, a
kiruha [24]

Answer:

Penicillin:

Staphylococcus epidermidis is more sensitive to Penicillin as compared to E. coli

Novobiocin:

Staphylococcus epidermidis is more sensitive to Novobiocin as compared to E. coli.

Gentamicin:

E. coli isolates showed high rates of resistance to gentamicin as compared to Staphylococcus epidermidis

Explanation:

Kirby-Bauer diffusion test:

This test is also known as disk diffusion antibiotic sensitivity testing. This test uses antibiotic containing disks to test its inhibition against particular bacteria.

Staphylococcus epidermidis:

Gram-positive bacterium, which is part of the normal human flora and found mostly in skin flora but less commonly in mucosal flora.

E. coli

Gram-negative bacteria because its cell wall have an additional layer.  During the staining process, it stains negative as compared to gram positive bacteria.

Penicillin:

This antibiotic kills bacteria by inhibiting the final step in cell wall biosynthesis, hence penicillin is most effective against gram-positive bacteria. Hence Staphylococcus epidermidis is more sensitive to Penicillin as compared to E. coli

Novobiocin:

Antibiotics which inhibits bacterial DNA synthesis. Its targets are the bacterial DNA gyrase and associated enzyme DNA topoisomerase. Due to extra membrane present outside gram negative bacteria this antibiotic is less effective against E. coli. Hence Staphylococcus epidermidis is more sensitive to Novobiocin as compared to E. coli.

Gentamicin:

Gentamicin is the broad spectrum antibiotic Its mode of action involves bacterial protein synthesis inhibition by binding to 30S ribosomes. E. coli isolates showed high rates of resistance to gentamicin as compared to Staphylococcus epidermidis

8 0
3 years ago
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