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3 years ago

Which of the following is not a defining characteristic of plants?

Biology

2 answers:

anyanavicka [17]3 years ago

7 0

Answer: Plants are prokaryotic. -is not a defining characteristic of plants.

Explanation:

MA_775_DIABLO [31]3 years ago

3 0

There’s no answer choices but some characteristics of plants are that they are multicellular, eukaryotic and perform photosynthesis. Hope this helps. :)

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A dog called the Maltese doesn't shed. This type of dog most likely came about through _____. hybridization genetic engineering

katrin2010 [14]

Answer:

The correct answer would be hybridization.

Hybridization refers to the process by which organisms of different breed, species, or varieties are selectively interbred in order to produce offspring with desired characters.

Similarly, Maltese dogs were selectively bred in order to attain characters like the small size, less shedding of hairs et cetera.

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3 years ago

Scientists who wish to clone genes of interest into bacterial plasmids utilize _____, which cuts the target and vector dna at sp

kirza4 [7]

Scientists who wish to clone genes of interest into bacterial plasmids utilize restriction enzymes, which cuts the target and vector DNA at specific sites. then DNA ligase is used to form covalent bonds between the resulting fragments to complete the recombinant DNA molecule.

Restriction enzymes (endonucleases) are enzymes which recognize specific target sequences (recognition sites) and will make a double-stranded cut in the DNA molecule at or near recognition sites.

DNA ligase is an enzyme which uses ATP to link two DNA molecules if they have matching ends.

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3 years ago

In fruit flies, the gene for red eyes (R) is dominant and the gene for sepia eyes (r) is recessive. If a red-eyed heterozygous f

ladessa [460]

The answer is Rr and rr.

We know:
r - recessive allele
R - dominant allele
RR - dominant homozygote with red eyes
Rr - heterozygote with red eyes (since one dominant allele R can mask recessive allele r)
rr - recessive homozygote with sepia eyes

Heterozygote Rr can give to the offspring either dominant allele R or recessive allele r. Recessive homozygote rr can give to the offspring only recessive allele r (take a look at the uploaded image of Punnett square).
After crossing the parents:
Parents: Rr x rr
Offspring: Rr rr Rr rr

So:
2 out of 4 offspring will be with heterozygous with red eyes Rr: 2/4 = 0.5 = 50%
2 out of 4 offspring will be with homozygous with sepia eyes rr: 2/4 = 0.5 = 50%

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3 years ago

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Name Streptococcus agalactiae, what morphology would you expect these cells to have?

Colt1911 [192]

Answer:

round and in chains

Explanation:

Streptococcus agalactiae is a gram positive bacteria. It is facultative anaerobe and forms a part of microbiota in gastro intestinal and urinary tract of healthy humans. It can cause infections in immuno compromised beings.Its genus name describes its morphology. Coccus are round spherical shaped bacteria. Strepto means that the bacteria are present in chain form. Hence this bacteria is spherical and arranged in chains.

There are several other types of bacterial morphology. For example: Staphylococcus means that the bacteria is again spherical but this time arranged in groups. Diplococcus means that the spherical bacteria is arranged in a pair. Similarly, bacillus is used to describe a rod shaped bacteria.

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3 years ago

Help!!! please thank you!

ipn [44]

Answer:

C. Subduction happens in location A but not in location B

Explanation:

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3 years ago

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