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Tom [10]
3 years ago
5

The first organisms to photosynthesize are called

Biology
1 answer:
Lapatulllka [165]3 years ago
3 0

Answer:

cyanobacteria

Explanation:

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During MEIOSIS, an event called crossing over occurs. Explain what happens during this event.​
RoseWind [281]

Answer:

During meiosis, an event known as chromosomal crossing over sometimes occurs as a part of recombination. In this process, a region of one chromosome is exchanged for a region of another chromosome, thereby producing unique chromosomal combinations that further divide into haploid daughter cells.

3 0
3 years ago
I WILL GIVE YOU 100 POINTS, BRAINLIEST, FIVE STARS, AND HELP U WITH ANYTHING ELSE U WANT IF U JUST PLEASE WRITE THIS.
Nadya [2.5K]
Name

Date: May 1st

Date completed: May 12th

Hypothesis: I believe the seeds will grow 1-2 feet based on my research

Procedure: I put my seeds in small pots and put on a self I have outside in the sun. They can absorb good sunlight this way

Growth of seeds: all varied but stayed within 3 feet

Type of seeds:
1. Cornflowers

Growth
Day 3: about 2 inches
Day 6: about 5 inches
Day 9: about 12 inches
Day 12: about 22 inches
Day 15: about 34 inches

Interpretations: cornflower- the meaning is wealth, prosperity, fortune and friendship.

I don’t know what was asked in the lab...

Conclusion: my hypothesis was kind of correct. My cornflowers grew to be over 2 feet, but not by much. Some even stayed under, but not by much I say again. This was a fun and educational experience and I learned a lot about this wonderful plant. I hade no idea that it was even a real thing before this project! I learned that different flowers grow at different paces, even if they get the same amount of sunlight and water.
3 0
3 years ago
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What are characteristics of allosteric enzymes? They may have binding sites for regulatory molecules that are separate from acti
stepan [7]

Answer:

The characteristics of allosteric enzymes are listed below.

Explanation:

1 They may have binding sites for regulatory molecules that are separate from the active site.

2 They tend to have sigmoidal curve of V0 vs [S].

3 They undergo conformational change as a result of modulator binding

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4 years ago
A liquid that is being heated at Lakesha's lab table catches fire. Which action should Lakesha take first?
BlackZzzverrR [31]
If their is a teacher or a Professor she should go there first if it’s a small fire she needs a fire blanket to take out small fire after reaching an adult
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3 years ago
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Which allele combination represents a female who is a carrier for an X-linked recessive disorder?
cupoosta [38]
The allele combination for a female carrier is XRXr
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3 years ago
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