23-24 Biology Fall Final Review

23-24 Biology Fall Final Review

Assessment

Flashcard

Biology

9th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What are heterotrophs?

Back

Organisms that cannot produce their own food and rely on consuming other organisms for energy. Examples include animals, fungi, and some bacteria.

2.

FLASHCARD QUESTION

Front

What is the main characteristic of the kingdom Animalia?

Back

Organisms in the kingdom Animalia are multicellular, eukaryotic, and heterotrophic, meaning they obtain their food by consuming other organisms.

3.

FLASHCARD QUESTION

Front

What is complementary DNA strand?

Back

A DNA strand that pairs with another DNA strand according to base pairing rules (A with T, C with G). For example, the complementary strand for AGG-TAA-CCA is TCC-ATT-GGT.

4.

FLASHCARD QUESTION

Front

What is cancer?

Back

Cancer is a disease characterized by unregulated cell division that can lead to the formation of tumors.

5.

FLASHCARD QUESTION

Front

What is the function of mitochondria in cells?

Back

Mitochondria are known as the powerhouse of the cell, responsible for producing energy (ATP) through cellular respiration.

6.

FLASHCARD QUESTION

Front

What holds the two strands of DNA together?

Back

Hydrogen bonds between nitrogenous bases hold the two strands of DNA together.

7.

FLASHCARD QUESTION

Front

What are nitrogenous bases?

Back

Nitrogenous bases are the building blocks of DNA and RNA, consisting of adenine (A), thymine (T), cytosine (C), guanine (G), and uracil (U) in RNA.

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