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3 years ago

What are the stages in mitosis?

Biology

2 answers:

mina [271]3 years ago

6 0

Prophase, prometaphase,metaphase and anaphase

Alborosie3 years ago

5 0

Metaphase, prophase, anaphase,and telophase.

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How can a compound be broken down?

FrozenT [24]

Answer:

compound can be broken down into smaller compound or their basic element by chemical change

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3 years ago

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Which wavelengths of light drive the highest rates of photosynthesis? Select the two best answers.

Lilit [14]

Answer:

400-450 nm
550-700 nm

Explanation:

Chlorophyll pigments (mainly chlorophyll a and b) absorb the red and blue spectrum of visible light in the electromagnetic spectrum for photosynthesis. This is why leaves appear green (and occasionally orange) because this visible light portion is not absorbed. The blue light absorbed by leaves ranges between 400 – 450 nm while the red light ranges between 500 nm and 700 nm.

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3 years ago

An adaptation is

Neporo4naja [7]

D-a trait that helps an organism survive in its environment

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3 years ago

Photosynthesis and Cellular Respiration: Are They Similar?

Korvikt [17]

Answer:

The two processes are similar in that they both produce energy, albeit in two different forms. ... The win-win of the two processes is that they both provide each other with the necessary ingredients for the process to take place: glucose and oxygen for cellular respiration, carbon dioxide and water for photosynthesis.

Explanation:

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3 years ago

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In corn, red kernel color (R) is dominant to yellow (r) and smooth kernel texture (W) is dominant to wrinkled (w).

Wewaii [24]

Answer:

a. df = 3, chi-square = 1.7333, p value = 7.815

b. we fail to reject null hypothesis

c. it is independent of kernel texture

Explanation:

h0; there is independence

h1; no independence

9:3:3:1 this is the phenotypic ratio

9+3+3+1 = 16

330 red smooth + 97 red wrinkled + 101 yellow smooth + 32 yellow wrinkled

total observed = 560

1. the degree of freedom = n-1

n =4, 4-1 = 3

to get the chi square computation

(O-E)²/E

expected value for red smooth,

9/16 x 560 = 315

chisquare = (330-315)²/315 = 0.7143

expected for red wrinkled

3/16*560 = 105

chisquare = (97-105)²/105 = 0.6095

expected for yellow smooth

3/16*560 = 105

chisquare = (101-105)²/105 = 0.1524

expected for yelow wrinkled

1/16 * 560 = 35

chisquare = (32-35)²/35 = 0.2571

total chisquare = 0.7143+0.6095+0.1524+0.2571

= 1.7333

with probability = 0.05, df = 3, the value of the chi square from x² table = 7.815

1.7333 < 7.815

so we fail to reject the null

c. we conclude that kernel color is independent of kernel texture

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2 years ago