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lord [1]
3 years ago
11

Which best compares and contrasts red blood cells and white blood cells?

Biology
1 answer:
postnew [5]3 years ago
7 0
<span>red blood cells are circular cells that transport oxygen throughout the body. white blood cells are part of the immune system and fight infection and foriegn objects that enter the body. plasma is the liquid part of blood, and platelets are the part of the blood that cause clotting.</span>
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Animals without a backbone are classified as ________. crustaceans invertebrates arthropods worms
CaHeK987 [17]
Invertebrates

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3 years ago
Why can only certain parts of DNA be used as DNA fingerprints? A. The parts must code for the insulin protein. B. The parts must
lorasvet [3.4K]
C The parts must be unique to the person
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Which of these is an example of precipitation?
Ymorist [56]

Answer:

A. A steady drizzle falls in Pittsburgh.  

Explanation:

Precipitation is any kind of weather in which something is falling from the sky.

A drizzle consists of small water droplets coming from the sky.

B, C, and D are wrong, because nothing is coming from the sky.

8 0
3 years ago
Which of the following describes the relationship between genes and chromosomes?
kondor19780726 [428]

Answer:

Genes are segments of deoxyribonucleic acid (DNA) that contain the code for a specific protein that functions in one or more types of cells in the body. Chromosomes are structures within cells that contain a person's genes. Genes are contained in chromosomes, which are in the cell nucleus.

Explanation:

3 0
3 years ago
A biologist analyzes the DNA sequences of one gene in three different primates . The biologist finds that primates A and B have
Nataly_w [17]

The question is incomplete as it does not have the option which are:

  • primates A and B are more closely related to each other than either is to primate C.
  • all three primates appeared on Earth at about the same time.
  • either primate A or primate B must be a direct ancestor of primate C.
  • primate C must have been the ancestor of both primate A and primate B.

Answer:

Primates A and B are more closely related to each other than either is to primate C.

Explanation:

In the given question, on the basis of the given information, it can be predicted that the Primate A and B are more closely related to C as the DNA sequences of these two primates are almost similar. The similarity of the sequence suggests that these primates have descended or diverged from a common ancestor.

The DNA sequence of C is different from both A and B which shows that both A and B are different from the C.

Thus, the selected option is the correct answer.

5 0
3 years ago
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