1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Alina [70]
3 years ago
9

_______ are thought to have been present before vertebrates.

Biology
1 answer:
Verizon [17]3 years ago
8 0

Answer:

invertebrates i guess

Explanation:

hope it helped!!!

You might be interested in
If we know the atoms mass in amu and we know the number of protons of the atom, can we calculate the number of neutrons that con
olga nikolaevna [1]
Yes you can. The atomic mass measured from the proteins and neutrons in an atom, since you know he number of protons, you can subtract and be left with the number of neutrons.
5 0
3 years ago
If the DNA is GAT what will be the amino acid?
Oksanka [162]

If the DNA is GAT what will be the amino acid?

Answer-Leucine

If the DNA is TAG what will be the amino acid be?

Answer-Isoleucine

If the RNA is UAU what will the amino acid be?

Answer-Tyrosine

8 0
4 years ago
A researcher found a method she could use to manipulate and quantify acetylation and methylation in embryonic cells in culture.
Gemiola [76]

Answer:a) decreased chromatin condensation

Explanation:

During eukaryotic cell division a chromatin becomes obvious and it is simply a mass of genetic material made up of DNA and proteins which condenses to form chromosomes.

The chromatin primarily function in the compression the DNA into a unit so compacted that will be so tiny and can fit within the nucleus.

Chromatin condensation is driven by condensins and interactions between histones.

Condensins however, are large protein complexes whose central role in cell division is chromosome organization and segregation.

Chemical manipulation as stated above is decreases the rate of chromatin condensation.

8 0
4 years ago
The microorganisms that do not have a nucleus in their cells are called:
Monica [59]

Answer:

d

Explanation:

prokareyote or bacteria does not have a nucleus.

6 0
3 years ago
If you knew a particular amino acid sequence would you figure out the dna for that sequence
babunello [35]

can i get some choices      


5 0
4 years ago
Other questions:
  • What is a base?
    14·2 answers
  • Why is ATP important?
    8·1 answer
  • Scientists typically amplify multiple str fragments from an individual in a single pcr. explain how they are able to do that.
    12·1 answer
  • The term best used to describe the watery fluid that surrounds the outside of a cell is best known as
    11·1 answer
  • In a population in which homozygotes (AA and aa) mate preferentially with individuals of the same genotype, which frequency will
    12·1 answer
  • What are simple plants characterized by lack of vascular tissues?
    12·1 answer
  • Compare diffusion and facilitated diffusion
    7·1 answer
  • John’s grandparents make wine for special occasions. They add a pinch of yeast to crushed grapes. Over time, this action release
    8·1 answer
  • What is the act of adding water to crops?
    13·2 answers
  • what term refers to a situation where a single phenotypic character is determined by the additive effects of two or more genes?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!