Which of the following is a lobe-finned fish?

A. stingray
B. lamprey
C. eel
D. lungfish
E. shark


Ans: D. lungfish

Biology & Microbiology

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Viral replication is

A) independent of the host cell's DNA but dependent on the host cell's enzymes and metabolism. B) independent of both the host cell's DNA and the host cell's enzymes and metabolism. C) dependent on the host cell's DNA and RNA. D) dependent on the host cell's DNA, RNA, enzymes, and metabolism.

Biology & Microbiology

The first level of compaction of DNA consists of

A) DNA winding around histones to form small nucleosomes. B) tight coiling of DNA with nucleosomes into higher order structures. C) compaction into metaphase chromosomes. D) histone, DNA, and nonhistone covalent bonding.

Biology & Microbiology

In this drawing of the insect body plan, which structure, A, B, C, or D, is the ovary?

1.A 2.B 3.C 4.D

Biology & Microbiology

Flat cells on bone surfaces believed to also help maintain matrix (along with osteocytes). On external bone surface, lining cells are called periosteal cells. On internal surfaces, they are called endosteal cells.

What will be an ideal response?

Biology & Microbiology