biology

Which of the following statements best explains the relationship between the mitochondria and the plasma membrane?
A. The mitochondria makes proteins that become a part of the plasma membrane.
B. The mitochondria makes a gas that the plasma membrane uses.
C. The mitochondria builds cytoskeleton that gives the plasma membrane strength.
D. The mitochondria makes ATP that the plasma membrane can use for energy.
i think its D.
The nucleus of an atom is composed of uncharged particles as well as which of the following?
A. Protons
B. Neutrons
C. Electrons
D. Positrons
i think its C
In pea plants, the allele for tall (T) is dominant to the allele for short (t). Which of the following is the percent of offspring that will be tall if a heterozygous plant (Tt) is crossed with a homozygous tall plant?
A. 100%
B. 75%
C. 50%
D. 25%
i think its A
Which of the following tissues would send a message to the brain indicating that someone has touched something hot?
A. Epithelial tissue
B. Nervous tissue
C. Muscle tissue
D. Connective tissue
i think its B
Which of the following describes the classification of humans?
A. The genus Homo and the species sapiens
B. The phyla Homo and the species sapiens
C. The family sapiens and the genus Homo
D. The class sapiens and the genus Homo
i think its C
Cellular respiration of glucose is an example of which of the following?
A. Anabolism
B. Reverse osmosis
C. Osmosis
D. Catabolism
i think its D
Plant~Deer~Tiger The first step in the energy chain that created the bonds of proteins in the tiger's muscle cells in the food chain shown above is the
A. deer the tiger ate.
B. plant the deer ate.
C. photons the sun made.
D. carbohydrates the plant made.
i think its B
Which of the following is the pH when the concentrations of hydrogen ions and hydroxide ions in an aqueous solution are equal?
A. 14
B. 7
C. 1
D. 0
i think its B
Which of the following structures is present in both prokaryotic and eukaryotic cells?
A. Golgi apparatus
B. Cell membrane
C. Endoplasmic reticulum
D. Chloroplast
i think its B
When salt (NaCI) is added to water, it disassociates into Na and Cl-ions. Which of the following types of chemical bond is present in a salt molecule?
A. Covalent bond
B. Ionic bond
C. Hydrogen bond
D. Disulfide bond
i think its B
An example of active immunity is the transfer of
A. antibodies through the placenta.
B. immunoglobulins through breastfeeding.
C. antigens through vaccination.
D. immune cells through a blood transfusion.
I think its C
Please correct if im wrong . thank you

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