How did the discovery of the rhesus factor affect society? A. More patients died from having a transfusion with the wrong rhesus factor. B. New treatments during pregnancy could prevent harm to the developing child. C. Less donated blood could be used in the treatment of patients. D. The number of blood types was reduced by half.

Answers

Answer 1

Answer: Rhesus (Rh) factor is an inherited protein found on the surface of red blood cells.The Rh factor can cause problems if you are Rh negative and your fetus is Rh positive. The sentence that is associated here is B. New treatmentsduring pregnancy could prevent harm to the developing child.

Answer 2

Answer:

New treatments during pregnancy could prevent harm to the developing child. Thus, option "B" is correct.

What is the rhesus factor?

The rhesus factor is an antigen present in the blood of humans and other primates, this is very important because the RH factors are uncompatible between them causing that for example is someone is RH positive and receives a tranfussion of RH negative it can cause its blood to coagulate in minutes, leading to death, so the discovery of the RH factor allowed to have safer trnasfussions of blood, and to help pregnant woman that had different RH factors than her babies to be treated in order to not harm the baby with their blood.

Thus, option "B" is correct.

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True or False? Only a living organism exhibits all of the characteristics of life.

What are the similarities between prokaryotes, eukaryotes and viruses?

Answers

Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus and has other membrane-bound organelles that allow for compartmentalization of functions.

Final answer:

Prokaryotes, eukaryotes, and viruses share similarities in containing genetic material and reproduction capacity. However, differences occur in genetic material structure, cellular structures, and functioning mechanisms.

Explanation:

The similarities between prokaryotes, eukaryotes and viruses essentially revolve around their basic biological functions. All three entities contain some form of genetic material (either DNA or RNA) which governs their basic life processes. They also have the capability to reproduce, although viruses require a host cell to accomplish this task. However, the structures of their genetic materials vary significantly. Prokaryotes and eukaryotes possess cellular structures necessary for functioning, but viruses largely lack these and are rather considered as non-living biological entities. Hence, they are comparable in their fundamental existence but differ vastly in their forms and functional mechanisms.

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What is the core of an atom composed of

Answers

The core of an atom is the nucleus which is composed of Neutrons and Protons.

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Which of the following choices is not evidence supporting the theory of plate tectonics?a. fossil assemblages
b. ancient cave drawing found in France
c. the jigsaw puzzle-like fit of the continents
d. traces of glaciation found in Africa and South America

Answers

Hi!
let's go through the options:

a. fossil assemblages

Imagine you find similar fossils in Africa and South America - it would tell you that the same animals lived on the same continents, suggesting that the continents were close together!
b. ancient cave drawing found in France - this only tells you that people used to live in France at the time the painting was created, not whether the continents moved - so this is the correct option!

c. the jigsaw puzzle-like fit of the continents

This jigsaw tells us that the continents likely moved so it's supporting the theory of tectonic movement

d. traces of glaciation found in Africa and South America
This suggests that those continents were previously somewhere else - that is, they moved! so again, it suggests the theory of tectonic movement

b. acient cave drawing found in france

During interphase, the DNA in the nucleus of the cell is thin and threadlike and called _____.

Answers

During interphase, the DNA in the nucleus of the cell is thin and threadlike and called chromatin.

>Chromatin is a complex of DNA and proteins that creates chromosomes within the nucleus of eukaryotic cells.
>Chromatin is a mass of genetic material comprised of DNA and proteins which condenses to form chromosomes.

Ron is observing an onion cell on a slide under a microscope. He sees chromatids being pulled to opposite ends of the cell. Which phase is he seeing?a-anaphase
b-telophase
c-prophase
d-interphase

Answers

The phase of mitosis where chromatids being pulled to opposite ends of the cell is called anaphase. Metaphase before includes chromosomes lining up single file at the middle of the cell. The telophase involves nuclear membrane forming around chromatin

Which is produced when an egg and a sperm unite during a plant’s life cycle?

Answers

Answer:

Zygote

Explanation:

As a result of meiosis in the male and female sex organs of a plant, male and female gametes or male and female sex cells produced respectively. Gametes are universally haploid. Male and female gametes fuse or fertilize to form a diploid zygote. A zygote or fertilised egg is a one-celled structure which later develops into an embryo.

Answer:

it's C. Zygote

Explanation:

I've taking the test/quiz for my biology class on Edge, and that was the correct answer that i got.

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