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Aleksandr [31]
3 years ago
13

humans have one of four blood types: A,B, AB, or O. Explain what determines a persons blood type. What antigens are on the blood

cells in a person withc each of these blood types? What antibodies are in the blood of a person with each of these blood types?
Biology
1 answer:
Bumek [7]3 years ago
3 0

Answer:

if you find this helpful, Mark brainliest

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What process happens in endoplasmic reticulum
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It produces proteins for the cell to function
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2 years ago
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Do all human cells obtain glucose in the same way 
kipiarov [429]

Answer:

Animal cells (including humans ofcourse), heterotrophs, derive their energy from coupled oxidation-reduction reactions. Glucose is a primary fuel for heterotrophs. Energy derived from glucose is stored in the form of high-energy phosphate bonds in ATP, or other nucleotide triphosphates, and as energy-rich hydrogen atoms associated with the co-enzymes NADP and NAD .

Glucose is unable to diffuse across the cell membrane without the assistance of transporter proteins. At least 13 hexose transporter proteins with different functions have been identified. Some hexose transporters allow glucose to flow passively from high to low concentration without requiring the expenditure of cell energy. Those that move glucose against its concentration gradient consume energy, generally in the form of ATP.

D-Glucose is the natural form used by animal cells.

So yes it is present inside human cells .

5 0
11 months ago
What do prokaryotes and eukaryotes have in common
xxMikexx [17]
Both prokaryotic and eukaryotic cells have a nucleus and ribosomes.
4 0
3 years ago
A group of cells is assayed for DNA content immediately following mitosis and is found to have an average of 4 picograms of DNA
damaskus [11]

Answer:

b: 8;8

Explanation:

Mitotic or meiotic cell division constitute the m phase of the cell cycle. At the end of the m phase, the new cells enter the interphase stage of the cell cycle. The interphase is further sub-divided into;

  • <em>the G_0 phase,</em>
  • <em>the G_1 phase,</em>
  • <em>the S phase; and</em>
  • <em>the G_2 phase</em>.

The G_0 phase is essentially a resting phase. Cells that do not need to divide except when necessary move into this phase after exiting the m phase.

Actively dividing cells enter the G_1 phase after exiting the m phase. Cell development and growth takes place. From there, the cells enter the S phase where DNA replication/synthesis takes place. The cells then enter the G_2 phase where proteins are synthesized in preparation for division or m phase.

At the S phase, the amount of DNA a cell carries is doubled but the chromosome number remains the same. For example, if a cell enters the S phase with 2 g of DNA containing 10 chromosomes, at the end of S phase, the amount of DNA would have come 4 g while the number of chromosomes will remain 10.

Hence, if the average amount of DNA in the assayed cells immediately after mitosis is 4 picograms, the amount would be 8 picograms at the end of S phase and will still remains 8 picograms at the end of G_2 phase.

The correct option is b.

8 0
2 years ago
Joe is color blind. both his mother and his father have normal vision, but his mother's father (joe's maternal grandfather) is c
Arte-miy333 [17]
The answer is x-linked recessive. It is apparent that the color blindness affects the males hence it's caused by a sex-linked recessive gene. Males have XY homologous chromosomes. The X sister chromosome has more genes than the Y sister chromosome, hence most males are hemizygous for sex linked genes. This means that even recessive genes on the X chromosome are likely to be expressed in males.
3 0
3 years ago
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