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stiks02 [169]
3 years ago
11

What are the three basic characteristics of all cells and organisms?

Biology
1 answer:
Butoxors [25]3 years ago
3 0
They have a cell membrane, they contain cytoplasm and can replicate themselves through the manner of mitosis. 
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What was Mendel's explanation for the fact that 0% of the offspring from this cross were green?
VMariaS [17]
So Mendel got roughly 75% yellow and 25% green in f2. This means that f1 contains all heterozygous genes, as shown below

Y y
Y YY Yy
y Yy yy
Summary: 75% YY or Yy, 25% yy

Which means that green (y) is a recessive phenotype, while yellow (Y) is a dominant phenotype, since plants with heterozygous genotype Yy express the yellow trait.
5 0
3 years ago
Can someone help me fill out this chart about alleles please?
xz_007 [3.2K]

Explanation:

#of individuals

80

64

56

7 0
3 years ago
Do not leave a lit burner unattended
erik [133]

Answer: True

Explanation:

4 0
3 years ago
Read 2 more answers
Calculate the volume change for respiration in the dark. As you already saw from earlier questions, oxygen production is fairly
Tatiana [17]

Answer:

-1.9mL/min

Explanation:

The rate of O₂ production can be calculated by the formula

= ( Final volume - initial volume)/time(min).

From the graph provided and attached below, the rate of O₂ production or rate of photosynthesis at light intensity of 8 is about 3.75 mL/min.  

The rate of O₂ production is taken as the rate of photosynthesis. It is expected to progressively increase from light intensity 0 as light intensity increases. However, at very high light intensity, the rate slows down as water becomes limiting and the stomata closes in order to conserve water.

Question in order

Experiment 2: Respiration in the Dark

Calculate the volume change for respiration in the dark. As you already saw from earlier questions,

oxygen production is fairly constant. You will not need to calculate the individual volume changes.

Just subtract the original volume at 00:00:00 from the final reading at 00:02:00. Record your answer

for use in a later question.

<em>Note: depending on when you started the timer there is a range of possible answers. Pick the answer that is closest to this</em>

What was the volume change for respiration in the dark?

Correct answer:

-1.9 mL/min

7 0
3 years ago
After gender and age, what is the strongest known predictive risk factor for breast cancer?
andrew-mc [135]
Genetics is the strongest known factor after gender and age. Genetics is one of the strongest factors in, if not all, many types of cancer.

Hope it helped,

Happy homework/ study/ exam!
8 0
3 years ago
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