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svet-max [94.6K]
3 years ago
13

1. During which stage of mitosis does the sister chromatids first separate?

Biology
2 answers:
Mandarinka [93]3 years ago
8 0
1. Anaphase is the stage of mitosis where the sister chromatids first separate.

2. Spindle fibers
My name is Ann [436]3 years ago
6 0
Anaphase and spindle fibers
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One method of experimentally determining whether a species is paramagnetic is to weigh it in an instrument called a magnetic sus
Degger [83]

F2

F→ Group 7A → 7 valence electrons

14 valence electrons TOTAL.

No unpaired electrons → diamagnetic

O2

O→ Group 6A → 6 valence electrons

12 valence electrons TOTAL.

2 unpaired electrons → paramagnetic

NO

N→ Group 5A → 5 valence electrons

O→ Group 6A → 6 valence electrons

11 valence electrons TOTAL.

1 unpaired electron → paramagnetic

CO

C→ Group 4A → 4 valence electrons

O→ Group 6A → 6 valence electrons

10 valence electrons TOTAL.

<h2>hope it helps you</h2>

4 0
3 years ago
Which statement about natural selection is true?
NISA [10]

Answer:

Explanation:

Environmental changes determine which animals survive

I hope it helps ...Nah?

5 0
3 years ago
Read 2 more answers
PLEASE HELP!! Identify a specific environmental factor that will cause a response to living things, and describe how this factor
jasenka [17]

Answer:

A specific environmental factor that will cause a response to living things will be light from the sun.

Explanation:

An enhanced amount of light from Sun will cause the plants to have enhanced photosynthesis. Photosynthesis can be described as a process by which plants use light energy from the sun to convert carbon dioxide and water into sugar (food) and oxygen.

In animals, enhanced amount of light from the sun will cause sweating and vasodilation.

The process of photosynthesis won't occur in animals and the process of sweating won't occur in plants.

7 0
3 years ago
Mitochondria and chloroplasts
Grace [21]

Answer:

C. prokaryotic cells

Definitions

The Mitochondrion is an organelle in the cytoplasm of cells that functions in energy production.

Chloroplast is usually defined as a plastic containing chlorophyll.

Chlorophyll is the green coloring matter of leaves and plants, essential to the production in a bluish-black form, C55H72MgN405 (chlorophyll a), and a dark-green form, C55H70MgN4O6 (chlorophyll b).  

A root cell is one of the maestro cells in the human organic structure that has possible ability of turning into any of the more than the organic structure's 200 cell types.  

Prokaryotes is any cellular organism that has no nuclear membrane, no organelles in the cytoplasm except ribosomes, and has its genetic material in the form of single continuous strands forming coils or loops, characteristic of all organisms in the kingdom Monera, as the bacteria and blue-green algae.

<h2>What are the similarities and differences between prokaryotes, mitochondria, and chloroplasts?</h2>

Both mitochondria and heterotrophic prokaryotes, as well as chloroplasts and autotrophic prokaryotes, have a genetic structure (DNA with a circular double helix shape and the genes themselves), as well as comparable ribosome types. In reality, the endosymbiotic idea is based on these parallels.

5 0
2 years ago
The expected ratio of phenotypes among the progeny of a test cross is 1:1:1:1. Out of 200 total resulting progeny, 48 occur in o
Rzqust [24]

Answer: The progeny of this cross do not conform to a 1:1:1:1 ratio

Explanation: This is because out of the 200 total resulting progeny, we must have 50 in each phenotype class to conform with the 1:1:1:1 which is not so as we have 48 in one of the phenotypic class already. Therefore, it did not conform to the ratio.

3 0
3 years ago
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