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ss7ja [257]
2 years ago
6

HI

Biology
1 answer:
mamaluj [8]2 years ago
8 0

Answer:

The continents were once connected as one landmass.

Explanation:

This did happen it's called Pangea. There were similar fossil records in different continents.

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7. Explain the difference between disorders of chromosome number and disorders caused by
elena-s [515]

Answer:

A person can have normal chromosomes in number and structure, but still have a disease or condition caused by a mutation in one or more of the genes on the chromosomes. A single gene defect usually does not cause the chromosome structure or number to be abnormal.

Explanation:

I'm not sure if this is correct but hope it helps.

5 0
3 years ago
When using a microscope to view cells you obtained from scraping under your fingernails, you notice that the cells lack nuclei;
11Alexandr11 [23.1K]

Answer:

Bacteria

Explanation:

There are two kinds of cells found in/on the human body that lacks nucleus

  1. Red blood cells
  2. Bacteria

Since the material observed under the microscope was scraped from under the finger nails and there was no indication of broken skin, it is likely that the observed cells are bacteria.

5 0
2 years ago
An organic molecule will always contain _____.
inysia [295]
I believe it is carbon
5 0
3 years ago
Read 2 more answers
What kinds of particles must diffuse through a membrane via passive transport, or facilitated diffusion?
jek_recluse [69]
Facilitated diffusion therefore allows polar and charged molecules, such as carbohydrates, amino acids, nucleosides, and ions, to cross the plasma membrane. Two classes of proteins that mediate facilitated diffusion are generally distinguished: carrier proteins and channel proteins.
6 0
2 years ago
Animals, plants, fungi, protists are __________________________.
Yuki888 [10]

Answer: None of the Above.

Explanation: Protista can be anything, and are basically off-brands, Plant based, Fungi Based, Animal Based, Etc.So the ENTIRE kingdom cant be Prokaryotic or Eukaryotic.

Animals and Plants aren't Single-Celled because you can see them.

Fungi are Eukaryotic

8 0
2 years ago
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