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dem82 [27]
4 years ago
6

Which best describes stem cells? Differentiation creates specialized cells from stem cells. Self-renewal creates stem cells from

differentiated cells. Self-renewal creates differentiated cells from stem cells. Differentiation creates stem cells from specialized cells.
Biology
2 answers:
Mama L [17]4 years ago
6 0

Th e answer is letter A)Differentiation creates specialized cells from stem cells.


Romashka-Z-Leto [24]4 years ago
6 0

Answer:

Differentiation creates specialized cells from stem cells

Explanation:

Stem cells refers to the undifferentiated cells that are capable of repeated cell division. During each division in stem cell, at least one of the daughter cells usually remains a stem cell. The rest of the newly formed daughter cells differentiate as a specific cell type.

Example: Stem cells present in bone marrow of human give rise to red blood cells, white blood cells and platelets.

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What type of enzyme can activate another enzyme by adding a phosphate from ATP?
Rzqust [24]

Answer:

Here my answer goes.......

Explanation:

In biochemistry, a kinase is an enzyme that catalyzes the transfer of phosphate groups from high-energy, phosphate-donating molecules to specific substrates. This process is known as phosphorylation, where the substrate gains a phosphate group and the high-energy ATP molecule donates a phosphate group.

6 0
3 years ago
Dr. Portillo is conducting a study in order to test a causal hypothesis. What type of study must she conduct?
Aleonysh [2.5K]

Answer:

Option A

Explanation:

Complete question

Dr. Portillo is conducting a study in order to test a causal hypothesis. What type of study must she conduct?

a. an experiment

b. a case study

c. a survery

d. a naturalistic observation

Solution

Hypothesis testing is an statistical analysis that involves testing a sample data to assure the plausibility of the null hypothesis.

After a hypothesis is stated, the next step is to prepare an analysis plan. After the plan is set, experiment methodology must be framed and executed. Once the result of experiment is obtained, it must be validated and hence cross checked with null hypothesis to either accept it or reject it.

Hence, option A is correct

4 0
4 years ago
Two heterozygous white (brown fur is recessive) rabbits are crossed
Shalnov [3]
So both the rabbits are  Bb which means there will be a chart which comes out with one BB, Two Bb and one bb, For the rabbit to become brown fur it would need to get bb from theirs parents reproducing, if it's Bb they will just carry the trait recessive trait again and if it's BB they won't be carrying the trait
6 0
3 years ago
In each drawing, there are lines between each atom and each molecule. What do you think the lines between atoms represent? The l
Zigmanuir [339]

Answer:

Atoms are the smallest units of matter that still retain the fundamental chemical properties of an element. Much of the study of chemistry, however, involves looking at what happens when atoms combine with other atoms to form compounds. A compound is a distinct group of atoms held together by chemical bonds. Just as the structure of the atom is held together by the electrostatic attraction between the positively charged nucleus and the negatively charged electrons surrounding it, the stability within chemical bonds is also due to electrostatic attractions. To illustrate further, consider the two major types of chemical bonds: covalent bonds and ionic bonds. In covalent bonds, two atoms share pairs of electrons, while in ionic bonds, electrons are fully transferred between two atoms so that ions are formed. Let’s consider both types of bonds in detail.

Explanation:

6 0
3 years ago
Read 2 more answers
The force of gravity depends on what 2 things
Delvig [45]

Answer:

mass and distance

Explanation:

6 0
3 years ago
Read 2 more answers
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