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Natalka [10]
3 years ago
10

Which of these materials cannot cross the placenta from mother to fetus?

Biology
2 answers:
r-ruslan [8.4K]3 years ago
8 0

Answer:

its not alcohol. i think it is dna because dna from the mother and father are givin at the time of the sperm fertilizing the egg

lesya692 [45]3 years ago
7 0

Answer:

alcohol is the answer i think

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How does evolution lead to both the diversity and the unity of life?
gogolik [260]
<span>Simple. All of the millions of different life forms (the diversity of life) have come about by natural selection, whereby random mutations in the genes have either succeeded or failed. But all life can be traced back to a common single-celled origin. Thus we have the unity of life where we (possibly) share more than 50 % of our DNA with a crocodile.eg:analogous organs, homologous organs.</span>
5 0
3 years ago
Two lizards with long tails have 4 offspring. All the offspring have long tails. What does this tell you about the tail genes th
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That the long tailed gene is not a recessive trait
6 0
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name and describe the cell structure that helps prevent damage to certain cells when they are subjected to high osmotic pressure
julia-pushkina [17]
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3 years ago
The thermoacidophile Sulfolobus acidocaldarius lacks peptidoglycan, but still possesses a cell wall. Which of the following stat
Eddi Din [679]

Answer:

c and d

Explanation:

<u>A species of an organism with cell wall that lacks peptidoglycan is definitely not a bacterium because bacterial cell walls usually have peptidoglycan.</u>

One particular group of organisms whose cells have cell walls but lack peptidoglycan is Archaea.

<em>Archaea represents a group of prokaryotes that are able to survive in extreme conditions such as high temperature, pressure and salinity. As such, they could inhabit hydrothermal springs as well as alkaline hot springs.</em>

Hence, thermoacidophile <em>Sulfolobus acidocaldarius </em>is likely to be an Archaea and could inhabit both hydrothermal springs and alkaline hot springs.

The correct option is option c and d.

5 0
3 years ago
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LUCKY_DIMON [66]

Answer: a.

Explanation:

The proficiency to be more professional and confident using one hand instead of the other for activities such as writing and throwing a pitch is called handedness.

Handedness begins to develop before birth. Handedness is inheritable and  evident from early childhood. handedness is related to variations between the brain's right and left halves (hemispheres). The<em> the left hemisphere regulates the action of right side of the body while right hemisphere controls movement on the left side of the body</em>.

So in handedness, one half of the brain regulates more skilled motor action.

Hence, teh correct option is a.

6 0
3 years ago
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