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eduard
2 years ago
7

What structure holds chromatids together in double stranded chromosomes? What are they known as

Biology
1 answer:
kozerog [31]2 years ago
3 0

The two chromatids of a duplicated chromosome are held together at a region of DNA called the centromere. Centromeres are the attachment points for microtubules, which are responsible for the guiding the movement of chromosomes during mitosis and meiosis.

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Howard decides to study the impact that ice cream
Sindrei [870]

Answer:

C. -independent, dependent, intervening

Explanation:

Independent variable is defined as the variable that can be changed during the experiment, dependent variable is the variable which is being tested and whose value depends on independent variable and intervening variable impacts the relationship between a dependent variable and an independent.

So, in the given study, ice cream was an independent variable as it can be changed during study and Howard wants to study its impact, fighting was a dependent variable as it is being tested and the temperature was the intervening variable as it is a cause of independent variable and also impacts the relationship between a dependent variable and an independent.

Hence, the correct option is C. independent, dependent, intervening.

4 0
3 years ago
1. __________________ are the basic building blocks of all matter, living and nonliving. They are made up of subatomic particles
disa [49]

Answer: Atoms are the basic building blocks of all matter, living and nonliving. They are made up of subatomic particles (neutrons, protons, and electrons)

Explanation:

Hope thats correct and helps! :)

7 0
2 years ago
Cell structures that plant and animal cells don't share are _____.
liubo4ka [24]

Answer:

a cell wall (because a plant cell is less rigid than an animal cell)

- a large central vacuole (where plant cells store water)

- chloroplasts (which plants use to carry out photosynthesis)

Explanation:

8 0
3 years ago
6. Which muscles allow you to squeeze the ribs together<br> when you exhale?
KengaRu [80]

Answer:

intercostal muscles

7 0
3 years ago
What is the only organism that does not eat prey?
natka813 [3]

Answer:

The only organism that doesn't eat prey is prob scavengers, because scavengers eat dead organisms, so I don't rlly think dead organisms are preys :3

Explanation:

:3

5 0
2 years ago
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