shreyaagrawal081

What skill would an agricultural manager need to have if crops were being damaged by insects?

A. knowledge of milk production

B. knowledge of equipment repair

C. knowledge of irrigation systems

D. knowledge of pesticides

Biology- Describe the blood vessel pathway of a blood cell from the left ventricle to the interior interventricular branch of the left coronary artery

Describe the blood vessel pathway of a blood cell from the left ventricle to the anterior interventricular range of the left coronary artery

Match numbers 1-4 to correct statement:

1. Linear DNA molecule

2. The S phase of the cell cycle

3. Replication starts binary fission

4. Elongation of the polynucleotide strand

a) prokaryotic cell     b) nucleus of eukaryotic cell     c) mitochondrion     d) replication

From Earth, the Milky Way galaxy appears as a band of stars in the night sky. Which answer best explains the reason for this?

Metaphase chromosomes can be observed:

a) All the time

b) Only during cell division

c) Only in young cells

d) During DNA replication

1. Prokaryotic cells (only one correct answer)

a) Are unicellular, have a nucleus

b) Are multicellular, have a nucleoid

c) Have no DNA - just RNA

d) Are bacteria, have a circular DNA 

2. A complex of a DNA molecule and histone octamer is called?

a) Nucleosome

b) Nucleoplasm

c) Chromatid

d) Euchromatin

Briefly describe the components and the structural symmetry of the nuclear pore complex. Please limit the answer from 1 to 4 sentences.

Thanks,

Briefly describe the functions of nuclear lamina, nucleolus and nuclear pore complex.

1. A group of proteins distributed along inner nuclear membrane form:

a) Nuclear pore

b) Nuclear lamina

c) Nucleosome

d) Nucleotides

2. Which nuclear structural element's function is a selective transport?

a) Nuclear lamina

b) Nuclear pore complex

c) Chromatin

d) Nucleolus

Which nuclear structural element's function is pre-rRNA processing and ribosome subunit assembly?

a) Nuclear lamina

b) Nuclear pore complex

c) Chromatin

d) Nucleolus

Please fill in a, b, c and d 

Give short comparison of replication in prokaryotes and eukaryotes by: place of replication; when replication takes place; origin of replication; speed of replication; and Okazaki fragments.

1. What are the proteins from which nuclear lamina is formed?

1. In human somatic cells the normal number of chromosomes will be (only one correct answer)

a) 23

b) 44

c) 24

d) 46

Match the definitions to the term:

1. Fundamental, physical, and functional unit of heredity.

2. The complete set of genetic information in an organism

3. Set of DNA and RNA sequences that determine the amino acid sequences used in the synthesis of an organism's proteins

4. Coding sequences of a gene

a) gene b) genetic code c) exons d) genome

Give short explanation, how the leading and lagging strand is replicated, why the difference between them exists?

Solitary genes (only one correct answer)

a) Are identical in their sequence

b) Can be found in just one copy in haploid genome

c) Belong to one gene family

d) Provide proteins that are very different in their function

Laminopathies are (only one correct answer)

a) Proteins from which nuclear lamina are formed

b) Disorders that happen because of changes in DNA sequence that codes for lamina and lamina interacting proteins

c) Pathways through which nucleoplasm is connected to cytoplasm

d) Space between inner and outer nuclear membranes

Please mention what everything belongs to, and not only laminopathies! :)

Which amino acid is encoded by start codon (only one correct answer)

a) Methionine

b) Leucine

c) Isoleucine

d) Start codon doesn't encode any amino acids