Which of the following types of cells utilize deoxyribonucleic acid (dna) as their genetic material but do not have their dna encased within a nuclear envelope?
- animal
- plant
- archaean
- fungi

Archaean.

Explanation:

DNA is present as genetic material in all the living organism except some viruses. DNA consists of nitrogenous bases, pentose sugar and a phosphate group.

The archean includes the unicellular organism and lacks the membrane bound organelle. Their DNA is not encased within the nuclear envelope and the nucleus is not covered with the nuclear envelope. Eukaryotes have been evolved from the primitive organisms.

Thus, the correct answer is option (3).

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

lunar landing mission. apollo 11 was the first manned mission to land on the moon. the first steps by humans on another planetary body were taken by neil armstrong and buzz aldrin on july 20, 1969. the astronauts also returned to earth the first samples from another planetary body.

explanation: