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jek_recluse [69]
4 years ago
13

Plant hormones act by directly affecting the activities of

Biology
1 answer:
natta225 [31]4 years ago
3 0
The answer is: Signal transduction pathways. 
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A biologist examines a series of cells and counts 90 cells in interphase, 13 cells in prophase, 12 cells in metaphase, 3 cells i
EleoNora [17]
<span> Mitosis involves Prophase, Metaphase, Anaphase, and Telophase. 

So you have 
13 + 12 + 3 + 2 = 30 cells in mitosis 
and 
90 + 30 = 120 cells in total 

Therefore your ratio of cells in mitosis to total cells is 30 / 120 = 1 / 4. That means mitosis should take up roughly 1/4 of the total cell cycle length. Since the completely cycle takes 24 hours, mitosis would then take (1/4)*24 = 6 hours</span>
6 0
3 years ago
4. How might Douglass' reliability as an author be called into question for his piece Narrative of the Life of Frederick Douglas
Yuki888 [10]
It might be stated that his reliability might be compromised because he writes the story many years later and his memories may be skewed. he is the narrator and the protagonist of the story and it is written in first person so  he retells what he remembers from his life experience since he was a child.
8 0
3 years ago
make a sketch of the double helix of dna. show how it unzips for replication and how complementary strands are built. label the
nevsk [136]
Its like 2 twizzlers twisted to the left with marshmellows attached.
3 0
3 years ago
Which of the following is NOT true about the cohesion-tension model of water transport?Select one:a. Water must completely fill
aksik [14]

Answer:

d. Water is transported in the phloem.

Explanation:

Xylem is the vascular tissue responsible for the movement of water and dissolved minerals from roots to various plant parts. Phloem is another vascular tissue that serves mainly in the translocation of sugars. The cohesion-tension model of water transport explains that the upward movement of water from roots to the aerial plant parts is drive by transpiration pull. Transpiration of water from leaves results in a large negative pressure in xylem elements. Cohesion and adhesion properties of water maintain the water column in xylem elements.

5 0
3 years ago
How does the endocrine system control body processes? WORTH 20 POINTS
Sidana [21]

Answer:

The endocrine system is made up of glands that produce and secrete hormones, chemical substances produced in the body that regulate the activity of cells or organs. These hormones regulate the body's growth, metabolism (the physical and chemical processes of the body), and sexual development and function.

Explanation:

The endocrine system is responsible for regulating a range of bodily functions through the release of hormones.

Hormones are secreted by the glands of the endocrine system, traveling through the bloodstream to various organs and tissues in the body. The hormones then tell these organs and tissues what to do or how to function.

Some examples of bodily functions that are controlled by the endocrine system include:

metabolism

growth and development

sexual function and reproduction

heart rate

blood pressure

appetite

sleeping and waking cycles

body temperature

Endocrine system organs

The endocrine system is made up of a complex network of glands, which are organs that secrete substances.

The glands of the endocrine system are where hormones are produced, stored, and released. Each gland produces one or more hormones, which go on to target specific organs and tissues in the body.

The glands of the endocrine system include:

5 0
3 years ago
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