<span> One pair of sex chromosomes and 22 pairs of autosomes
that should be right. please let me know if it is
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Answer: (Structure) mRNA: always single stranded, rRNA: single stranded, twisted upon itself in some regions, tRNA: cloverleaf-like structure
(Function) mRNA: carries the information in the DNA to the ribosomes where it is translated into amino acids of proteins, rRNA: helps assemble tRNA, mRNA, and amino acids to form the polypeptide chain during protein synthesis, tRNA: acts as an adaptor molecule, which identifies correct amino acids corresponding to the anticodon present on it
Explanation: Plato, you're welcome
Answer: Newton's 3rd Law of Motion - For every action, there is an equal but opposite reaction.
Explanation: Ex. Action - A book pushes down on a desk. Reaction - Desk pushes up on book.
Answer:
The bird has a narrow beak that is longer than the length of its head.
Explanation:
-The beak is long and thin, which helps it dip into the flowers to sip nectar (a sugary fluid the hummingbird uses for food).
-This bird (Hummingbird) have a long, narrow beak that allows it to reach the nectar from brightly colored, tubular flowers. It also feeds on insects and have a flexible lower beak that allows them to grab insects from the air during flight.
hope that helps :)