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docker41 [41]
3 years ago
11

Biology question worth a grade

Biology
1 answer:
fgiga [73]3 years ago
3 0

Answer:

D 4

Explanation:  the part of a cell that divides is the nucleus so i belive it is D 4

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Do you think smoking has negative effect on fetal development?
n200080 [17]

Smoking during pregnancy affects your and your baby's health before, during, and after your baby is born. The nicotine (the addictive substance in cigarettes), carbon monoxide, lead, arsenic, and numerous other poisons you inhale from a cigarette are carried through your bloodstream and go directly to your baby. Smoking while pregnant will:

<span>Lower the amount of oxygen available to you and your growing babyIncrease your baby's heart rate<span>Increase the chances of miscarriage and stillbirth</span>Increase the risk that your baby is born prematurely and/or born with low birth weightIncrease your baby's risk of developing respiratory problems</span>

The more cigarettes you smoke per day, the greater your baby's chances of developing these and other health problems. There is no "safe" level of smoking for your baby's health.

8 0
3 years ago
Read 2 more answers
Coral reefs are structures in the ocean composed of the hard exoskeletons of many species of coral. They reproduce simultaneousl
Katarina [22]
I think gamete incompatibility. 
3 0
3 years ago
What genotype of parent will have only black fur off spring?
goblinko [34]

Answer:

BB or Bb

Explanation:

Black fur is dominant so it has to have at least one B allele.

8 0
2 years ago
The combined observations of Matthias Schleiden, Theodor Schwann and Rudolph
kobusy [5.1K]

Answer:

The option 'All cells contain a nucleus' is not a part of the cell theory.

Explanation:

The cell theory proposed by scientists illustrates that every organism whether prokaryotic or eukaryotic is made up of a cell or different kinds of cells. It also that explains that cells are made from living things. According to the cell theory, cells are termed as the basic unit of life, without which life is not possible.

The cell theory does not claim that every cell must have a nucleus because many cells like cells of prokaryotes lack nucleus. Their genetic material is dispersed in the cytoplasm.

4 0
3 years ago
Individuals with one form of lactose intolerance do not produce the
Tema [17]

Answer: Transcription - A

Explanation:

This problem is talking about the lac operon and the gene expression of lac operon. If the gene is turned off, then transcription, the generation of mRNA won't occur.

6 0
2 years ago
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