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Maru [420]
3 years ago
10

Can cause spontaneous abortion or stillbirth because the bacteria can cross the placenta and infect the fetus.

Biology
1 answer:
romanna [79]3 years ago
5 0
<span>Clostridium perfringens and Salmonella</span>
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What element from the periodic table has the highest monetary value per unit
fenix001 [56]

Answer:

francium

Explanation:

The most expensive natural element is francium, but it decays so quickly it can't be collected to be sold. 

4 0
2 years ago
Doug plants a few peas. After two days, he sees the shoot and the root forming. He observes that the shoot grows upward, toward
UkoKoshka [18]
I would say B) <span>The shoot is positively phototropic and negatively gravitropic; the root is positively gravitropic and negatively phototropic.

This is because the shoot of the plant is attracted towards the sun, as the chloroplasts in the leaves need sunlight to make food. As well, the roots are attracted downward to absorb more water and minerals from the sun.

</span>
4 0
2 years ago
Now consider a single base mutation in a codon for leucine that creates a codon for phenylalanine. A true reversion changes the
madam [21]

Answer:

options A, B, D and E

Explanation:

leucine codons include: UUA, UUG, CUU, CUC, CUA, CUG

phenylalanine codons include: UUU, UUC.

<u>C</u>UU          

replace C with U to give

UU<u>U</u> phenylalanine codon

replace underlined with A

UUA leucine codon

<u>C</u>UC

replace underlined with U

UU<u>C</u> phenylalanine codon

replace underlined with A or G

UUA, UUG  leucine codons

UU<u>G</u>

replace underlined with U

<u>U</u>UU phenylalanine codons

replace underlined with C

CUU leucine codon

UU<u>A</u>

replace underlined with U or C

<u>U</u>UU or <u>U</u>UC phenylalanine codons

replace U with C

CUU or CUC leucine codons

7 0
2 years ago
What is the starting material in transcription?
DanielleElmas [232]

Answer:To begin with, initial transcription components include DNA, RNA polymerase core enzyme, and the σ subunit. Translation components include mRNA, small and large ribosomal subunits, initiation factors, elongation factors and tRNA.

Explanation:

4 0
2 years ago
________ are enzyme used to position nucleotides during dna replication.
aivan3 [116]

Answer:

DNA polymerase

Explanation:

DNA polymerase is the enzyme that matches and lays down nucleotides to build the daughter DNA strand along each parent DNA strand.

5 0
3 years ago
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