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3 years ago

If only the deterministic hypothesis is correct, undifferentiated stem cells isolated from bone marrow and grown in vitro will:

Biology

1 answer:

Deffense [45]3 years ago

3 0

Considering the multiple choice;

A. Require the correct external signal to replace

B. Start to develop new receptors in adaptation to their new environment.

C. Differentiate non-randomly only when specific hormones are present.

D. develop receptors in a random fashion.

Answer;

A. Require the correct external signal to replace

If only the deterministic hypothesis is correct, undifferentiated stem cells isolated from bone marrow and grown in vitro will

Embryonic stem cells (ESCs) are stem cells derived from the undifferentiated inner mass cells of a human embryo.

Embryonic stem cells are pluripotent, meaning they are able to grow, into all derivatives of the three primary germ layers: ectoderm, endoderm and mesoderm.

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Process by which earths life form change over time

Rus_ich [418]

Answer:

Adaptations develop from variations within a population and help organisms to survive in their given environment. Changes in populations accumulate over time; this is called evolution. The fossil record shows us that present-day life forms evolved from earlier different life forms.

3 0

3 years ago

Choose the one word that does not describe natural selection? *

riadik2000 [5.3K]

Would it be pervasive?

3 0

3 years ago

Finch species living on the Galapagos Islands exhibit a variety of beak types that favor different foods. Finches that eat seeds

Setler [38]

Explanation:

B) There is an abundance of seeds and nuts.

The finches have developed adaptations to their environment. Their specialized beaks allow them to adequately exploit the available resources, by utilizing the more abundant food source.

Further Explanation:

All the genetic information within the eukaryotic cell is stored within the nucleus as helical DNA. This DNA is tightly wound around histones as chromosomes. To produce daughter cells during cell division, the chromosomes (total number of chromosomes (2n)) are copied before the cell splits into two daughter cells. This process is known as mitosis, and occurs in cell division and growth processes. Two new nuclei are formed, along with identical cells. These are the same as the parent cell and the chromosome number (2n) is maintained.

Conversely in meiosis, the number of chromosomes (2n) is halved through meiotic divisions, producing 4 (n) germ cells (sperm or eggs), each containing half the number of chromosomes as its parent cell. Crossing over, independent assortment, and random fertilization ensure genetic variation.

This variation refers to the genetic characteristics present within a species; they form new traits called alleles, which may confer adaptations that increase the fitness of a species, along with ensuring survival by conferring an advantage.

Learn more about mitosis at brainly.com/question/4303192

Learn more about transcription at brainly.com/question/11339456

Learn more about DNA and RNA at brainly.com/question/2416343?source=aid8411316

#LearnWithBrainly

6 0

3 years ago

7 + 7 + (–1) = A. 13 B. 10 C. 16 D. 7

Burka [1]

Step 1. Simplify brackets

$7+7-1$

Step 2. Simplify

13

Done! :) Your answer is A. 13 Hope this helps!

4 0

3 years ago

Short-winged fruit flies studied in the lab cannot fly because they have an allele that causes them to grow tiny wings (w). Norm

lana [24]

Answer: The probability of getting a short winged fruit fly in the F1 generation is 2/4 or 1/2.

Explanation:

By using a monohybrid punnett square you should be able to come to the same answer.

5 0

3 years ago